4,137 results on '"inappropriate ADH syndrome"'
Search Results
2. Effects of Intravenous [Pyr1]Apelin-13 on Healthy Volunteers With Artificially Induced SIAD (ESCAPE)
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- 2024
3. Hypercalcemia associated with Pneumocystis jirovecii pneumonia in lung transplant recipients: Two case reports.
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Saberianfar, Shadi, Dégot, Tristan, and Renaud‐Picard, Benjamin
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PNEUMOCYSTIS pneumonia , *GRANULOMATOSIS with polyangiitis , *INAPPROPRIATE ADH syndrome , *MULTINUCLEATED giant cells , *GRAFT rejection , *SARCOIDOSIS , *HYPOPARATHYROIDISM - Abstract
This article discusses two cases of severe hypercalcemia in lung transplant recipients, which were diagnosed as Pneumocystis jirovecii pneumonia (PJP). Both patients were successfully treated with trimethoprim-sulfamethoxazole (TMP-SMX) and showed improvement in symptoms and calcium levels. The article highlights the importance of considering PJP as a possible cause of hypercalcemia in immunocompromised patients and suggests further research on risk factors and prophylaxis strategies. [Extracted from the article]
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- 2024
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4. Postoperative Hyponatremia After Endoscopic Endonasal Resection of Pituitary Adenomas: Historical Complication Rates and Risk Factors.
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Snyder, M. Harrison, Rodrigues, Rahul D., Mejia, Jesus, Sharma, Vaishnavi, Kanter, Matthew, Wu, Julian K., Kryzanski, James T., Lechan, Ronald M., Heilman, Carl B., and Safain, Mina G.
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INAPPROPRIATE ADH syndrome , *SEROTONIN uptake inhibitors , *ENDOCRINE diseases , *HYPONATREMIA , *PITUITARY tumors , *ENDOSCOPIC surgery - Abstract
Hyponatremia is a common complication following endoscopic endonasal resection (EER) of pituitary adenomas. We report a single-center, multisurgeon study detailing baseline clinical data, outcomes, and factors associated with postoperative hyponatremia. This was a retrospective cohort study of patients undergoing EER for pituitary adenoma at Tufts Medical Center. Most procedures were performed by the senior author (C.B.H.). Cases were included if at least 1 postoperative sodium value was available and pathology confirmed pituitary adenoma. Hyponatremia was defined as a postoperative sodium level <135 mEq/L. A total of 272 patients underwent 310 EER procedures that met the study inclusion criteria. The mean patient age was 53.3 years, and mean tumor size was 18.8 mm. Postoperative hyponatremia occurred in 12.6% of cases, with 3.6% developing hyponatremia prior to discharge. Lower preoperative sodium level was associated with an increased risk of developing any postoperative hyponatremia. Older age, prolactinoma pathology, and use of selective serotonin reuptake inhibitors were associated with moderate to severe hyponatremia (≤129 mEq/L), and lower preoperative sodium was associated with mild hyponatremia (130–134 mEq/L). Hyponatremia-related readmissions within 30 days occurred in 3.9% of patients. Both African-American race and postoperative hyponatremia were associated with an increased risk of 30-day readmission. The mean nadir sodium for hyponatremic patients was 129.9 mEq/L. Growth hormone–secreting pathology was associated with lower postoperative nadir sodium, whereas higher preoperative sodium was associated with higher postoperative nadir sodium. Hyponatremia is a common postoperative complication of EER for pituitary lesions that can cause significant morbidity, increased readmissions, and increased healthcare costs. [ABSTRACT FROM AUTHOR]
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- 2024
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5. Hyponatraemia—treatment standard 2024.
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Spasovski, Goce
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INAPPROPRIATE ADH syndrome , *HYPERTONIC saline solutions , *BOLUS drug administration , *WATER-electrolyte imbalances , *HOSPITAL patients , *HYPONATREMIA - Abstract
Hyponatraemia is the most common electrolyte disorder in hospital patients associated with increased morbidity, mortality, hospital stay and financial burden. The speed of a correction with 3% sodium chloride as a 100- to 150-ml intravenous bolus or continuous infusion depends on the severity and persistence of the symptoms and needs frequent biochemical monitoring. The rapid intermittent administration of hypertonic saline is preferred for treatment of symptomatic hyponatraemia. In asymptomatic mild hyponatraemia, an adequate solute intake with an initial fluid restriction (FR) of 500 ml/day adjusted according to the serum sodium (sNa) levels is preferred. Almost half of the syndrome of inappropriate antidiuretic hormone (SIADH) patients do not respond to FR as first-line therapy. At present, urea and tolvaptan are considered the most effective second-line therapies in SIADH. However, the evidence for guidance on the choice of second-line therapy of hypotonic hyponatraemia is lacking. Oral urea is considered to be a very effective and safe treatment. Mild and asymptomatic hyponatraemia is treated with adequate solute intake (salt and protein) and initial FR with adjustments based on sNa levels. Specific treatment with vaptans may be considered in either euvolaemic or hypervolaemic patients with high ADH activity. In order to ensure optimal patient outcome, close monitoring and readiness for administration of either hypotonic fluids or desmopressin may be crucial in the decision-making process for specific treatment and eventual overcorrection consequences. According to the guidelines, gradual correction and clinical evaluation is preferable over rapid normalization of sNa towards the laboratory reference ranges. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Suspected paraneoplastic syndrome of inappropriate antidiuretic hormone secretion associated with a gastric adenocarcinoma in a dog.
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Thomas, A, Finlay, J, and Sharp, C
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INAPPROPRIATE ADH syndrome , *PARANEOPLASTIC syndromes , *COMPUTED tomography , *HYPOKALEMIA , *TUMORS , *VASOPRESSIN - Abstract
This report describes a suspected case of paraneoplastic syndrome of inappropriate antidiuretic hormone (SIADH) in a 5‐year‐old male entire Australian Kelpie associated with a gastric adenocarcinoma. The dog had a history of chronic vomiting and presented with hyponatraemia, hypokalaemia, hypochloraemia and increased urinary sodium. Computed tomography identified the presence of a gastric tumour and histopathology confirmed a pyloric gastric adenocarcinoma. Removal of the tumour via a Billroth I procedure resulted in rapid resolution of electrolyte derangements. The dog was still alive six months postoperatively with no recurrence of either SIADH or tumour at the time of publication. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Neuroinflammation-Induced SIADH in West Nile Virus Infection: An Uncommon Neurological and Endocrine Manifestation.
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Tse, Justin David and Wang, Jackson
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WEST Nile fever , *INAPPROPRIATE ADH syndrome , *VECTOR-borne diseases , *THERAPEUTICS , *INTRAVENOUS immunoglobulins - Abstract
Objective: Unknown etiology Background: West Nile virus (WNV) is a vector-borne flavivirus that is typically transmitted by Aedes and Anopheles mosquitos. WNV infection typically presents with symptoms consistent with viral meningitis, which include fever, headache, and meningeal signs. WNV infections are typically self-resolving, with symptoms lasting 3-10 days. Although uncommon, patients with WNV infection can be afflicted with hyponatremia, although the etiology is unclear. Because of encephalitis, neuroinflammation may be involved in the deterioration of adrenal signaling, leading to salt wasting. Case Report: We present the case of a 75-year-old man who presented with headache, neck pain, photophobia, and viral illness symptoms. He was found to be profoundly hyponatremic, concerning for SIADH. He had a sodium drop to 117 mmol/L, leading to further lethargy and confusion. He received 3% saline, fluid restriction, and salt tablets, and more common causes of SIADH were ruled out. MRI revealed the absence of the posterior pituitary bright spot. He was subsequently found to have positive WNV titers and improved with continued supportive treatment. Conclusions: WNV presents a unique challenge to providers due to its difficult diagnosis and association with hyponatremia. There is no clear role for specific medical treatment such as corticosteroids vs IV immunoglobulins. Supportive care is recommended for those testing positive for WNV. Clinicians should consider the possibility of viral infections, such as WNV, in patients living in endemic areas who present with unexplained hyponatremia, cognitive symptoms, and relevant history. [ABSTRACT FROM AUTHOR]
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- 2024
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8. Implications of Dysnatremia and Endocrine Disturbances in COVID-19 Patients.
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Zlosa, Mihaela, Grubišić, Barbara, Švitek, Luka, Sabadi, Dario, Canecki-Varžić, Silvija, Mihaljević, Ivica, Bilić-Ćurčić, Ines, and Kizivat, Tomislav
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INAPPROPRIATE ADH syndrome , *ANGIOTENSIN converting enzyme , *PITUITARY gland , *GLOMERULAR filtration rate , *COVID-19 , *VASOPRESSIN - Abstract
Sodium imbalance is a common electrolyte disturbance in COVID-19, often linked to disruptions in hormonal regulation. This review explores the relationship between sodium dysregulation and endocrine disturbances, particularly focusing on primary and secondary hypothyroidism, hypocortisolism, and the renin–angiotensin–aldosterone system (RAAS). Hypocortisolism in COVID-19, due to adrenal insufficiency or secondary to pituitary dysfunction, can lead to hyponatremia through inadequate cortisol levels, which impair renal free water excretion and enhance antidiuretic hormone (ADH) secretion. Similarly, hypothyroidism is associated with decreased renal blood flow and the glomerular filtration rate (GFR), which also increases ADH activity, leading to water retention and dilutional hyponatremia. Furthermore, COVID-19 can disrupt RAAS (primarily through its interaction with the angiotensin-converting enzyme 2 (ACE2) receptor), diminishing aldosterone secretion and further contributing to sodium loss and hyponatremia. These hormonal disruptions suggest that sodium imbalance in COVID-19 is multifactorial and warrants further investigation into the complex interplay between COVID-19, endocrine function, and sodium homeostasis. Future research should focus on understanding these mechanisms to develop management algorithms that address both sodium imbalance and underlying hormonal disturbances in order to improve prognosis and outcomes in COVID-19 patients. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Advancements in understanding the mechanisms of lung–kidney crosstalk.
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Mendes, Renata de Souza, Silva, Pedro Leme, Robba, Chiara, Battaglini, Denise, Lopes-Pacheco, Miquéias, Caruso-Neves, Celso, and Rocco, Patricia R. M.
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ADULT respiratory distress syndrome , *ACUTE kidney failure , *EXTRACORPOREAL membrane oxygenation , *PULMONARY edema , *BLOOD volume , *INAPPROPRIATE ADH syndrome - Abstract
This narrative review delves into the intricate interplay between the lungs and the kidneys, with a focus on elucidating the pathogenesis of diseases influenced by immunological factors, acid–base regulation, and blood gas disturbances, as well as assessing the effects of various therapeutic modalities on these interactions. Key disorders, such as anti-glomerular basement membrane (anti-GBM) disease, the syndrome of inappropriate antidiuretic hormone secretion (SIADH), and Anti-neutrophil Cytoplasmic Antibodies (ANCA) associated vasculitis (AAV), are also examined to shed light on their underlying mechanisms. This review also explores the relationship between acute respiratory distress syndrome (ARDS) and acute kidney injury (AKI), emphasizing how inflammatory mediators can lead to systemic damage and impact multiple organs. In ARDS, fluid overload exacerbates pulmonary edema, while imbalances in blood volume, such as hypovolemia or hypervolemia, can precipitate renal dysfunction. The review highlights how mechanical ventilation strategies can compromise renal blood flow, trigger systemic inflammation, and induce hemodynamic and neurohormonal alterations, all contributing to lung and kidney damage. The impact of extracorporeal membrane oxygenation (ECMO) on lung–kidney interactions is evaluated, highlighting its role in severe respiratory failure and its renal implications. Emerging therapies, such as mesenchymal stem cells and extracellular vesicles, are discussed as promising avenues to mitigate organ damage and enhance outcomes in critically ill patients. Overall, this review offers a nuanced exploration of lung–kidney dynamics, bridging historical insights with contemporary perspectives. It underscores the clinical significance of these interactions in critically ill patients and advocates for integrated management approaches to optimize patient outcomes. [ABSTRACT FROM AUTHOR]
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- 2024
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10. A Pediatric Case of Reninoma Presenting with Paraneoplastic Syndrome of Inappropriate Antidiuretic Hormone Secretion.
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Sekhon, Sarpreet S., Taha, Khalid, Kim, Laura H., Humphreys, Robert, Patel, Trisha J., Andrews, Alicia R., Lee, Anna F., and Abdulhussein, Fatema S.
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INAPPROPRIATE ADH syndrome , *BLOOD pressure , *RENAL veins , *CHILD patients , *CONTRAST-enhanced ultrasound - Abstract
Introduction: A reninoma (juxtaglomerular cell tumor) is a rare cause of secondary hypertension that can present with headaches alongside the triad of severe hypertension, hypokalemia, and metabolic alkalosis. Case Presentation: We describe a case of a 15-year-old previously healthy girl who presented with headaches and hypertensive urgency who had severe hypokalemia, moderate hyponatremia, and elevated aldosterone and renin levels. Abdominal ultrasound and MRI with contrast revealed a unilateral mass localized to the right kidney. Despite treatment of her hypertension, she had persistent hyponatremia with clinical euvolemia which was consistent with the paraneoplastic syndrome of inappropriate antidiuretic hormone secretion (SIADH). She underwent radical nephrectomy which normalized her blood pressure and aldosterone and renin values. The pathology findings were consistent with a reninoma with a mitotic rate of 1–2 mitoses per 10 high power fields. Discussion: Hypertension in the pediatric age group requires workup to rule out secondary causes. The classic triad of hypertension, hypokalemia, and metabolic alkalosis warrants assessment for aldosterone-mediated hypertension which can be a result of a renin-producing tumor. Curative approach requires surgical resection of the tumor. Reninomas may rarely manifest with a paraneoplastic phenomenon including SIADH, as seen in our case. Although reninomas are benign tumors, there are also a few reports of malignant transformation and metastases. Features uncommon in reninomas such as mitotic activity warrant long-term surveillance. Established Facts: Hypertension in the pediatric population requires a broad workup to exclude secondary causes. The triad of hypertension, hypokalemia, and metabolic alkalosis should prompt evaluation of aldosterone-mediated hypertension. Reninoma evaluation should include renin and aldosterone levels, renal imaging, and may require localization with selective renal vein sampling. [ABSTRACT FROM AUTHOR]
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- 2024
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11. Hypopituitarism, Diabetes Insipidus, and Syndrome of Inappropriate Antidiuretic Hormone Secretion after Pituitary Macroadenoma Surgery with Indocyanine Green Dye.
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Felbabić, Tomislav, Velnar, Tomaž, and Kocjan, Tomaž
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INAPPROPRIATE ADH syndrome , *DIABETES insipidus , *PITUITARY gland , *INTRACRANIAL tumors , *WATER-electrolyte balance (Physiology) - Abstract
(1) Background: Pituitary adenomas are benign tumors comprising about 18% of all intracranial tumors, and they often require surgical intervention. Differentiating pituitary tissue from adenoma during surgery is crucial to minimize complications. We hypothesized that using ICG dye would reduce the hormonal complication rates. (2) Methods: A prospective randomized study (February 2019–October 2023) included 34 patients with non-functional macroadenomas of the pituitary gland randomly assigned to receive intraoperative ICG or be in the control group. All underwent endoscopic endonasal transsphenoidal surgery. Pituitary function was assessed preoperatively, immediately postoperatively, and 3–6 months postoperatively. Adenohypophysis function was evaluated with hormonal tests (Cosyntropin stimulation test, TSH, fT3, fT4, prolactin, IGF-1, FSH, LH, and testosterone in men) and neurohypophysis function with fluid balance, plasma and urine osmolality, and serum and urinary sodium. (3) Results: Of the 34 patients (23 men, 11 women; average age 60.9 years), 5.9% in the ICG group developed diabetes insipidus postoperatively, compared to 23.5% in the control group. Adenohypophysis function worsened in 52.9% of the ICG group and in 35.3% of the control group. (4) Conclusions: Our study did not confirm the benefits of using ICG in these surgeries. Further research with a larger sample is needed. [ABSTRACT FROM AUTHOR]
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- 2024
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12. N-Ethylhexedrone: A very long and bad trip! A case series.
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Lefeuvre, Sandrine, Richeval, Camille, Lelong, Jeremy, Venisse, Nicolas, Humbert, Luc, and Brunet, Bertrand
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LIQUID chromatography-mass spectrometry , *INAPPROPRIATE ADH syndrome , *LOSS of consciousness , *DRUGS of abuse , *DRUG utilization - Abstract
N-ethylhexedrone (NEH) is a new cathinone derivative with, currently, low toxicokinetic and toxicodynamic knowledge. We present three documented clinical cases of NEH intoxication with plasma and urine concentrations. A thorough search for metabolites was performed. The three patients were admitted to the emergency department, and two out of the three were hospitalized for an extended period. While recovering from the drug effects, 12–24 h after nasal intake of New Psychoactive Substance (NPS), the patients described the following disorders: anxiety, feelings of persecution, asthenia, anhedonia, abulia, psychomotor slowing and loss of consciousness. NEH was identified in all samples by liquid chromatography–high resolution mass spectrometry (LC–HRMS), and quantified by liquid chromatography coupled to tandem mass spectrometry (LC–MS-MS). Quantitative analysis showed decreasing concentrations over time: for Case 1, from 97.2 (Day 1, D1) to 0.7 (Day 7, D7) µg/L for plasma, and from 724 (D1) to 0.5 (D7) µg/L for urine. NEH concentration of 7.9 µg/L was found in the plasma collected at admission for Case 2. For Case 3, concentrations ranging from 49 (D1) to 1.8 (D7) µg/L in plasma, and from 327.3 (Day 6, D6) to 116.8 (D7) µg/L in urine were found. NEH was no longer detected in the urine sample at Day 10. Elimination half-life was estimated at 19, and 28 hours in Patients 1 and 3, respectively. Four metabolites were identified in blood and urine: reduced NEH, dealkyl-NEH, reduced dealkyl-NEH and hydroxy-NEH. The cases presented highlight the long detectable lifetime of NEH. Characterization of the metabolites will allow better identification of the consumption of this drug. Serious adverse events can be observed after NEH consumption, as two out of the three patients required intubation and ventilation. A syndrome of inappropriate antidiuretic hormone secretion (SIADH) was also diagnosed. Two out of the three cases are notable because of the number of samples collected and because NEH was the only drug of abuse detected. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Severe Metabolic Derangements in a Patient with Hypertension and COVID-19.
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Crawford, Katharine H. D., Doerner, Diane, Rainey, Petrie M., and Phipps, William S.
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INAPPROPRIATE ADH syndrome ,COVID-19 ,ALCOHOLISM ,BLOOD cell count ,LOSS of consciousness ,BLOOD gases - Abstract
This article presents a case study of a 57-year-old man with hypertension and COVID-19 who experienced severe metabolic imbalances, including low sodium levels. The study explores the potential connection between COVID-19 infection or treatment and hyponatremia. The patient's use of a specific medication and excessive water intake likely contributed to his condition. The article emphasizes the importance of monitoring and correcting hyponatremia to prevent complications, and notes that severe cases may not always present noticeable symptoms. [Extracted from the article]
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- 2024
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14. SIADH as a Rare Complication of Foramen Magnum Stenosis in an Infant With Achondroplasia.
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Cebeci, Ayse Nurcan, Hebert, Steven, Reutter, Heiko, Rompel, Oliver, and Woelfle, Joachim
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FORAMEN magnum , *CRANIOVERTEBRAL junction , *MAGNETIC resonance imaging , *SKELETAL dysplasia , *SURGICAL decompression , *INAPPROPRIATE ADH syndrome - Abstract
Achondroplasia is the most common skeletal dysplasia and is associated with serious complications such as foramen magnum stenosis (FMS). This case report describes an infant with achondroplasia who presented with a syndrome of inappropriate antidiuretic hormone secretion (SIADH), secondary to significant FMS and myelocompression. A 2-month-old boy with prenatally diagnosed achondroplasia was referred due to disordered breathing and altered consciousness. On admission, apathy, hypotonus, and hypothermia with typical features of achondroplasia were noticed. Laboratory investigations revealed severe hyponatremia and hypochloridaemia with normal glucose and urea levels. The diagnosis of SIADH was made based on low serum osmolality in the presence of high urine osmolality, along with an elevated copeptin level. An emergency computerized tomography showed a high-grade stenosis at the cranio-cervical junction; subsequent magnetic resonance imaging demonstrated myelocompression. The patient underwent decompression surgery the next day; serum osmolality increased after the operation. Spontaneous breathing after extubation was sufficient whereas tetraplegia persisted despite intensive physiotherapy. Clinicians should be aware of SIADH as a presenting sign of FMS in children with achondroplasia. Further discussion is warranted regarding improving parental education and timing of screening recommendations. [ABSTRACT FROM AUTHOR]
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- 2024
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15. Update on the clinical applications of SGLTis: Insight to benefits beyond hypoglycemic and cardiorenal protection.
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Tao, Shibing, Guo, Shanlan, and Tong, Nanwei
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INAPPROPRIATE ADH syndrome , *NON-alcoholic fatty liver disease , *SLEEP apnea syndromes , *CLINICAL trials , *RANDOMIZED controlled trials - Abstract
Sodium glucose cotransporter inhibitor (SGLTi) drugs have been widely used in clinical practice. In addition to their benefits in hyperglycemia, heart failure (HF), and kidney disease, their effects on obesity, metabolic dysfunction‐associated steatotic liver disease (MASLD, formerly named nonalcoholic fatty liver disease [NAFLD]), polycystic ovarian syndrome (PCOS), abnormal lipid metabolism, hyperuricemia, obstructive sleep apnea syndrome (OSAS), anemia, and syndrome of inappropriate antidiuresis (SIAD, formerly named syndrome of inappropriate antidiuretic hormone [SIADH]) have been explored. In this review, we searched the data of clinical randomized controlled trials (RCTs) and meta‐analyses of SGLTis in patients with diabetes from the PubMed library between January 1, 2020, and February 1, 2024. According to our review, certain SGLTis exhibit relatively superior clinical safety and effectiveness for treating the abovementioned diseases. Proper utilization of SGLTis in these patients can provide additional medication options for patients with different disease scenarios. However, studies of SGLTis in these diseases are relatively rare, with shortcomings such as small sample sizes and short intervention periods. Therefore, further large‐scale, long‐term, well‐designed studies are needed to clarify the findings. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Samsca Post-marketing General Drug Use-results Survey in Patients With Hyponatremia in SIADH
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- 2023
17. Traumatic brain injury inducing swift transition from syndrome of inappropriate antidiuretic hormone secretion to central diabetes insipidus: a case report.
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Yuki Yasudome, Tomohiro Kubota, Ryo Kusubae, Naohiro Ikeda, Daisuke Hazeki, and Yuichi Nomura
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INAPPROPRIATE ADH syndrome , *BRAIN injuries , *HEAD injuries , *DESMOPRESSIN , *URINE , *DIABETES insipidus , *HYPONATREMIA - Abstract
Heavy traumatic brain injury (TBI) may lead to the manifestation of either syndrome of inappropriate secretion of antidiuretic hormones (SIADH) or central diabetes insipidus (CDI). We present a case of TBI where SIADH transformed into CDI within a remarkably short timeframe. A previously healthy 4-yr-old boy was admitted to our hospital with hyponatremia and elevated urinary sodium level on the day following a traumatic head injury. Within 150 min after initiating SIADH treatment, a significant increase in urine volume and a decrease in urinary sodium levels were observed. Therefore, the treatment plan was modified to include desmopressin. By the 5th day of admission, the urine volume gradually stabilized and normalized without the need for further desmopressin treatment. Mild TBI can give rise to various conditions that may undergo rapid changes. Closely monitoring serum and urine electrolytes, along with urine volume, is imperative for the administration of appropriate and timely treatment. [ABSTRACT FROM AUTHOR]
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- 2024
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18. Deciphering Familiar Conundrum of Cerebral Salt Wasting Syndrome vs Syndrome of Inappropriate Secretion of Antidiuretic Hormone and Establishing Role of Hyponatremia in Patients of Tuberculous Meningitis as a Predictor of Outcome.
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Singh, Kulwant and Yadav, Vikrant
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INAPPROPRIATE ADH syndrome , *WASTING syndrome , *HYPONATREMIA , *TUBERCULOUS meningitis , *LONGITUDINAL method - Abstract
Introduction: Hyponatremia is one of the most common electrolyte abnormalities [35-71%] associated with tuberculous meningitis [TBM]. It is an independent predictor of patient outcome. Cerebral salt wasting syndrome[CSWS] and syndrome of inappropriate secretion of antidiuretic hormones [SIADH] are two common causes of hyponatremia in patients with TBM. This study targets patients with tuberculous meningitis to provide a detailed analysis of hyponatremia in TBM patients and it's predictive value in terms of outcome and also describes the distinguishing features of CSWS and SIADH. Materials and Methods: This was a clinical, prospective study of 31 patients with TBM in which various parameters were analysed. Serial sodium levels were recorded on the day of admission, day 2, 7 and 28. Patients with hyponatremia were divided into CSWS and SIADH. Results: In this study, 24[77.42%] patients had hyponatremia. In 14 [58%], hyponatremia was due to CSWS and in 10[42%] of the patients with hyponatremia it was SIADH. Hyponatremia was related to disease severity, GCS score, hospital stay, ventilator stay and patient outcome. CSWS was more strongly associated with disease severity than SIADH. Conclusion: Hyponatremia is a common electrolyte imbalance in patients with TBM and a direct and valid predictor of disease outcome. CSWS should be differentiated from SIADH due to the different treatment strategies. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Hyponatremia‐associated hospital visits are not reduced by early electrolyte testing in older adults starting antidepressants.
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Lane, Natasha E., Bai, Li, Seitz, Dallas P., Juurlink, David N., Paterson, J. Michael, Guan, Jun, and Stukel, Therese A.
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POISSON distribution , *EARLY medical intervention , *RESEARCH funding , *HOSPITAL care , *SEROTONIN uptake inhibitors , *PROBABILITY theory , *EVALUATION of medical care , *RETROSPECTIVE studies , *DESCRIPTIVE statistics , *RELATIVE medical risk , *ANTIDEPRESSANTS , *ELECTROLYTES , *LONGITUDINAL method , *INAPPROPRIATE ADH syndrome , *SODIUM , *HYPONATREMIA , *COMPARATIVE studies , *CONFIDENCE intervals - Abstract
Background: Clinical practice guidelines recommend early serum electrolyte monitoring when starting antidepressants in older adults due to the increased risk of hyponatremia. It is unclear whether this monitoring improves outcomes. Methods: Population‐based, retrospective cohort study of Ontario adults aged ≥66 years who initiated therapy with a selective serotonin reuptake inhibitor (SSRI) or selective norepinephrine reuptake inhibitor (SNRI) between April 1, 2013, and January 31, 2020. The index date was the date of the first such prescription, and the exposure of interest was serum electrolyte measurement during the subsequent 7 days. The primary outcome was any emergency department or hospital admission with hyponatremia within 8–60 days of antidepressant initiation. Poisson regression models compared individuals who had versus did not have their serum electrolytes tested in the week following SSRI/SNRI initiation, weighting by propensity score‐based overlap weights. Results: Among the 420,085 patients aged ≥66 years initiating treatment with an SSRI/SNRI, 26,808 (6.4%) had serum electrolytes measured in the subsequent 7 days and 6109 (1.5%) subsequently presented to hospital with hyponatremia. The time from drug initiation to hospitalization varied (median 29, interquartile range [IQR] 17–44 days), and the median sodium concentration measured in the community (136, IQR 133–138 mmol/L) was marginally higher than those at the time of hospitalization (132, IQR 130–134 mmol/L). Patients who underwent electrolyte testing in the week following SSRI/SNRI treatment were more likely to attend an emergency department (ED) or hospital with hyponatremia within 8–60 days relative to those who did not (relative risk = 2.31, 95% confidence interval: 2.16–2.46). Conclusions: Testing serum electrolytes in the week after starting an SSRI/SNRI is not associated with a reduced risk of a hospital visit with hyponatremia. These findings do not support current guidelines recommending routine electrolyte monitoring. [ABSTRACT FROM AUTHOR]
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- 2024
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20. Advancements in chikungunya virus management: FDA approval of ixchiq vaccine and global perspectives.
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Irfan, Hamza and Ahmed, Aliza
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CHIKUNGUNYA virus ,VACCINE approval ,MEDICAL personnel ,CHIKUNGUNYA ,ALPHAVIRUSES ,EMERGING infectious diseases ,INAPPROPRIATE ADH syndrome - Published
- 2024
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21. Case report: Secondary failure to tolvaptan in a patient with SCLC and paraneoplastic SIADH.
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Menzi, Sheryl, Jaramillo, Silvia Daniela, Pfister, Stephan, Schefer, Hubert, and Jehle, Andreas Werner
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COPEPTINS ,VASOPRESSIN ,INAPPROPRIATE ADH syndrome ,SMALL cell lung cancer ,BIOMARKERS ,DOCUMENTARY evidence - Abstract
The syndrome of inappropriate antidiuretic hormone secretion (SIADH) is frequent in lung cancer patients. Here, we report a case with persistent hyponatremia, which suggested malignant SIADH and facilitated an early diagnosis of small cell lung cancer (SCLC). A combined radio-chemotherapy led to a partial remission and resolution of SIADH. An early relapse was indicated by reoccurring severe hyponatremia and increased copeptin levels, which were used as surrogate markers for the antidiuretic hormone (ADH). As palliative immunochemotherapy, together with fluid restriction and solute substitution, were unable to control hyponatremia, treatment with the ADH V2-receptor antagonist tolvaptan was initiated. Over time, the dose of tolvaptan needed to be increased, paralleled by a well-documented exponential increase of copeptin levels. In summary and conclusion, this is a rare case of a secondary failure to tolvaptan with unique documentary evidence of increasing copeptin levels. This observation supports the hypothesis that exceedingly high ADH levels may lead to competitive displacement of tolvaptan from the V2 receptor. [ABSTRACT FROM AUTHOR]
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- 2024
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22. Suspected cerebral salt wasting syndrome secondary to traumatic brain injury in a dog.
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Chromiak, Amanda E., Finstad, Joanna, and Cooper, Edward
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WASTING syndrome , *BRAIN injuries , *INAPPROPRIATE ADH syndrome , *DOGS , *HYPERTONIC saline solutions , *SYMPTOMS , *SODIUM salts - Abstract
Objective: To describe a dog with suspected cerebral salt wasting syndrome (CSWS) secondary to traumatic brain injury (TBI). Case Summary: A 2‐month‐old intact male Chihuahua‐American Pitbull Terrier mix weighing 1.94 kg presented to a veterinary teaching emergency room after suffering bite wound‐penetrating trauma to the head. Treatment was initiated with hyperosmotic agents, fluid resuscitation, and analgesia. The dog's neurologic dysfunction warranted hospitalization and continuous monitoring. Within 24 hours, the dog developed hyponatremia (133 mmol/L compared to 143 mmol/L on presentation [reference interval 142–149 mmol/L]). As the dog had concurrent tachycardia, increase in urine sodium concentration, polyuria, and weight loss, a diagnosis of cerebral salt wasting was suspected. A 2% hypertonic saline constant rate infusion was administered for volume replacement, and the patient showed improvement in clinical signs and blood sodium concentration. The dog was discharged on Day 5. Recheck examination showed significant neurologic improvement with sodium just below the low end of the reference range (141 mmol/L [reference interval 142–149 mmol/L]). New or Unique Information Provided: This is the first description of suspected CSWS in veterinary medicine. Hyponatremia is a common finding in critically ill neurologic people, including those with TBI, and is typically associated with either syndrome of inappropriate antidiuretic hormone or CSWS. As treatment recommendations for syndrome of inappropriate antidiuretic hormone and CSWS are diametrically opposed, identifying the presence of hyponatremia and distinguishing between these 2 clinical entities is critical for improving patient care for those with TBI. This case highlights the characteristics and clinical progression regarding the diagnosis and management of suspected CSWS. [ABSTRACT FROM AUTHOR]
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- 2024
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23. Multiple intra‐axial lesions in a 57‐year‐old male with a history of B‐cell chronic lymphocytic leukemia.
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Asioli, Sofia, Cardisciani, Lina, Martinoni, Matteo, Tonon, Caterina, Liguori, Rocco, Zinzani, Pierluigi, Di Sciascio, Luisa, and Sabattini, Elena
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- *
DIFFUSE large B-cell lymphomas , *T-cell lymphoma , *T-cell receptor genes , *INAPPROPRIATE ADH syndrome , *ETIOLOGY of diseases - Abstract
This article discusses the case of a 57-year-old male with a history of B-cell chronic lymphocytic leukemia who developed multiple intra-axial lesions in the brain. The patient experienced symptoms such as headache, fever, seizures, and coma. Imaging scans revealed edematous lesions with contrast enhancement. A biopsy confirmed the diagnosis of peripheral T-cell lymphoma, Not Otherwise Specified (NOS) consistent with Primary CNS T-cell lymphoma. The article highlights the importance of distinguishing this type of lymphoma from other intra-axial tumors and discusses the prognosis and potential treatment options. [Extracted from the article]
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- 2024
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24. Efficacy of dose‐reduced glecaprevir‐pibrentasvir in lung transplant recipients on maintenance cyclosporine from donors with hepatitis C viremia.
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Kleiboeker, Hanna L., Prom, Alyson, and Patel, Sonalie
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INAPPROPRIATE ADH syndrome , *LUNG transplantation , *ATRIAL arrhythmias , *HEPATITIS C virus , *MEDICAL personnel , *KIDNEY transplantation , *HOMOGRAFTS , *BK virus , *HEPATITIS C - Abstract
This article discusses the effectiveness of a reduced dose of glecaprevir-pibrentasvir treatment in lung transplant recipients who received organs from donors with hepatitis C viremia. The use of donors with hepatitis C has become a valuable tool in expanding the donor pool for lung transplantation. The study found that the treatment with glecaprevir-pibrentasvir was successful in achieving sustained virologic response in these patients. The article also discusses the considerations and potential adverse effects associated with different antiviral drug regimens in lung transplant recipients. The document presents two cases of lung transplant recipients who were successfully treated for hepatitis C virus (HCV) infection using a reduced dose of glecaprevir-pibrentasvir. Both patients achieved sustained virologic response 12 weeks after completing treatment. The use of this reduced dose allowed for effective treatment of HCV infection transmitted by the donor, even in patients who were not suitable candidates for other recommended regimens. This approach requires collaboration among healthcare professionals and can help expand the accessibility of transplantation by safely utilizing organs from HCV-infected donors. [Extracted from the article]
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- 2024
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25. National Registry of Rare Kidney Diseases (RaDaR)
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- 2023
26. Vascular complications in craniopharyngioma-resected paediatric patients: a singlecenter experience.
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Castelli, Barbara, Scagnet, Mirko, Mussa, Federico, Genitori, Lorenzo, Sardi, Iacopo, and Stagi, Stefano
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CHILD patients ,INAPPROPRIATE ADH syndrome ,PATIENTS' attitudes ,THROMBIN receptors ,VENOUS thrombosis ,POSTERIOR cerebral artery - Abstract
Background: Craniopharyngioma (CP), although slow growing and histologically benign, has high morbidity, mostly related to hypothalamus-pituitary dysfunction and electrolyte imbalance. Increased risk of vascular complications has been described. However, data are still poor, especially in the paediatric population. The aim of our study was to evaluate the occurrence, timing, and predisposing factors of deep venous thrombosis (DVT) and other vascular alterations in neurosurgical paediatric CP patients. Materials and Methods: In a single-centre, retrospective study, we investigated 19 CP patients (11 males, 8 females, mean age 10.5 ± 4.3 years), who underwent neurosurgery between December 2016 and August 2022, referred to Meyer Children's Hospital IRCCS in Florence. Results: Five patients (26.3%) presented vascular events, which all occurred in connection with sodium imbalances. Three DVT (two with associated pulmonary embolism, in one case leading to death) developed in the post-operative period, most frequently at 7-10 days. Elevated D-dimers, a reduced partial activated thrombin time and a prolonged C-reactive protein increase were highly related to thrombotic vascular events. One case of posterior cerebral artery pseudoaneurysm was described soon after neurosurgery, requiring vascular stenting. Superficial vein thrombophlebitis was a late complication in one patient with other predisposing factors. Conclusion: CP patients undergoing neurosurgery are at risk of developing DVT and vascular alterations, thus careful follow-up is mandatory. In our study, we found that the phase of transition from central diabetes insipidus to a syndrome of inappropriate antidiuretic hormone secretionmay be a period of significant risk for DVT occurrence. Careful vascular follow-up is mandatory in CP-operated patients. [ABSTRACT FROM AUTHOR]
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- 2024
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27. 妊娠合并宫颈大细胞神经内分泌癌和低钠血症一例.
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王芳, 贾泽南, 郑婧, 王惠玲, 朱宝玉, 吴珍珍, and 刘青
- Abstract
Retrospective analysis of a case of pregnancy complicated with cervical large cell neuroendocrine carcinoma stage ⅢC1(r) cesarean section after intravenous chemotherapy occurred hyponatremia. Chemotherapy and radiation were employed to treat the main tumor, and symptomatic treatment was utilized to deal with hyponatremia. After 6 months of complete remission, there was a recurrence of the disease. Through the chemotherapy combined with targeted and immunotherapy, the patient experienced distributed shock and electrolyte disorder, and the patient′s family to give up the treatment. The follow-up didn′t break off until the patient died in May 2023. The prognosis for cervical large cell neuroendocrine carcinoma is poor due to its high level of aggressiveness. Hyponatremia may be associated with a poor prognosis of the tumor, which in clinical practice is easily obscured by severe effects to chemotherapy in the clinic. Understanding the clinical signs of hyponatremia, improve the ability of early recognition, obtaining an early diagnosis and course of therapy, and actively enhancing patient prognosis are all important for clinicians. [ABSTRACT FROM AUTHOR]
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- 2024
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28. Rhinovirus infection presenting with symptomatic hyponatremia—Atypical presentation of a common infection.
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Obaid, Koutaibah, Basrak, Mohamad Talal, Sawaf, Bisher, Habib, Hiba, Alkhatib, Mohammed, Ashour, Anas A., and Habib, Mhd Baraa
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- *
INAPPROPRIATE ADH syndrome , *MEDICAL personnel , *HYPONATREMIA - Abstract
Key Clinical Message: Rhinovirus infection has the potential to exhibit unconventional symptoms like symptomatic hyponatremia. Health care professionals should remain vigilant about this potential complication, especially in cases with uncommon presentations. Timely identification and effective management of hyponatremia can mitigate potential complications and enhance patient prognosis. The syndrome of inappropriate secretion of antidiuretic hormone (SIADH) is a prominent contributor to low sodium levels. Various factors can contribute to hyponatremia, affecting the diagnosis and treatment of the condition. Of note, some infections have been identified as potential causes of SIADH. Although rhinovirus infection has been linked to SIADH, it is usually associated with severe respiratory infections. Herein, we present a distinctive case where rhinovirus caused significant hyponatremia symptoms, even in the absence of typical respiratory symptoms or fever. [ABSTRACT FROM AUTHOR]
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- 2024
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29. Hydroxymethylbilane Synthase Gene Mutation: The Hidden Driver of Abdominal Pain and Neurological Symptoms in Acute Intermittent Porphyria.
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Zakariyah, Abeer, Alzahrani, Rahaf, Alhazmi, Iman, Abotaleb, Alia, Alasmari, Mohammed, Basendwah, Abdulrahim, Alsubaie, Rasha, Khan, Muhammad Sohaib, Alnajjar, Leena, and Altouri, Sultan
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QUADRIPLEGIA ,KIDNEY function tests ,METALLOPORPHYRINS ,HEALTH services accessibility ,ACUTE intermittent porphyria ,NEUROLOGIC manifestations of general diseases ,DIFFERENTIAL diagnosis ,IRRITABLE colon ,BLOOD testing ,ABDOMINAL pain ,RESPIRATORY insufficiency ,COMPUTED tomography ,ELECTROENCEPHALOGRAPHY ,NUCLEIC acid probes ,STATUS epilepticus ,GENETIC variation ,INAPPROPRIATE ADH syndrome ,GASTRITIS ,OPIOID analgesics ,TRANSFERASES ,GENETIC mutation ,DYSMENORRHEA ,GENETIC testing ,CONSTIPATION ,SYMPTOMS - Abstract
Mutations in the hydroxymethylbilane synthase (HMBS) gene can lead to a deficiency of the HMBS enzyme, allowing porphyrins to accumulate to toxic levels in the liver and other organs, leading to acute intermittent porphyria (AIP). This case report describes the medical journey of a 20‑year‑old female, previously in good health, who experienced multiple hospitalizations and clinic visits due to severe abdominal pain episodes and remained undiagnosed for over 6 years. Despite the nonspecific nature of these symptoms, a suspicion of acute porphyria confirmed by genetic analysis revealed a splice pathogenic variant (c.826‑2A>T) in the HMBS gene in a heterozygous state. As the disease progressed, the patient developed a series of complications, including hyponatremia, autonomic instability, and motor neuropathy, culminating in complete paralysis (quadriplegia) and respiratory failure. The case highlights the importance of early recognition and differential diagnoses in managing AIP, with genetic testing playing a crucial role in confirming the diagnosis. [ABSTRACT FROM AUTHOR]
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- 2024
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30. Paraneoplastic Syndromes in Neuroendocrine Prostate Cancer: A Systematic Review.
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Abufaraj, Mohammad, Ramadan, Raghad, and Alkhatib, Amro
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- *
PROSTATE cancer , *CUSHING'S syndrome , *PARANEOPLASTIC syndromes , *ANDROGEN deprivation therapy , *INAPPROPRIATE ADH syndrome , *ADRENOCORTICOTROPIC hormone , *ECTOPIC hormones - Abstract
Neuroendocrine prostate cancer (NEPC) is a rare subtype of prostate cancer (PCa) that usually results in poor clinical outcomes and may be accompanied by paraneoplastic syndromes (PNS). NEPC is becoming more frequent. It can initially manifest as PNS, complicating diagnosis. Therefore, we reviewed the literature on the different PNS associated with NEPC. We systematically reviewed English-language articles from January 2017 to September 2023, identifying 17 studies meeting PRISMA guidelines for NEPC and associated PNS. A total of 17 articles were included in the review. Among these, Cushing's Syndrome (CS) due to ectopic Adrenocorticotropic hormone (ACTH) secretion was the most commonly reported PNS. Other PNS included syndrome of inappropriate Anti-Diuretic Hormone secretion (SIADH), Anti-Hu-mediated chronic intestinal pseudo-obstruction (CIPO), limbic encephalitis, Evans Syndrome, hypercalcemia, dermatomyositis, and polycythemia. Many patients had a history of prostate adenocarcinoma treated with androgen deprivation therapy (ADT) before neuroendocrine features developed. The mean age was 65.5 years, with a maximum survival of 9 months post-diagnosis. NEPC is becoming an increasingly more common subtype of PCa that can result in various PNS. This makes the diagnosis and treatment of NEPC challenging. Further research is crucial to understanding these syndromes and developing standardized, targeted treatments to improve patient survival. [ABSTRACT FROM AUTHOR]
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- 2024
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31. The syndrome of inappropriate antidiuretic hormone associated with nasal and paranasal malignant tumors.
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Dang, Shoutao, Zhang, Shurong, Zhao, Jingyang, Li, Xinyu, and Li, Wei
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- *
INAPPROPRIATE ADH syndrome , *SMELL disorders , *NASAL tumors , *NEUROENDOCRINE tumors , *HYPONATREMIA , *TUMORS , *PARANASAL sinuses - Abstract
Purpose: To investigate the clinical characteristics of the syndrome of inappropriate antidiuretic hormone (SIADH) associated with nasal and paranasal malignant tumors. Methods: Patients with locally advanced or recurrence/metastatic malignant tumors of the nasal and paranasal sinuses were included. The SIADH was diagnosed according to the diagnostic criteria. The clinical characteristics of SIADH patients were retrospectively analyzed. Results: Six patients (6/188, 3.2%) met the diagnostic criteria of SIADH, including four olfactory neuroblastoma (4/26, 15.4%), one neuroendocrine carcinoma (1/9, 11.1%), and one squamous cell carcinoma (1/63, 1.6%). Five patients (83.3%) had severe hyponatremia; however, the hyponatremia could be improved by fluid restriction or tolvaptan. Three patients' SIADH were recovered during the chemotherapy and the other three were recovered after the surgery. Conclusion: The incidence of SIADH associated with nasal and paranasal malignant tumors is relatively more common in olfactory neuroblastoma and neuroendocrine carcinoma. The hyponatremia caused by SIADH may be corrected by fluid restriction or tolvaptan, and the SIADH may be recovered through anti-tumor therapy. [ABSTRACT FROM AUTHOR]
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- 2024
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32. 宫颈大细胞神经内分泌癌伴抗利尿激素分泌异常综合征一例.
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赵雅琴, 吴珍珍, 郑长才, 孙健豪, and 刘青
- Abstract
Large cell neuroendocrine carcinoma (LCNEC) of cervix is a kind of cervical malignant tumor with endocrine function, which is one of the causes of syndrome of inappropriate secretion of antidiuretic hormone (SIADH). A case of pregnancy complicated with LCNEC of cervix was reported. Mild hyponatremia was found upon hospitalization. After termination of pregnancy by cesarean section, the patient underwent neoadjuvant chemotherapy. During the chemotherapy course, the patient developed severe hyponatremia accompanied by convulsions and unconsciousness, which was diagnosed as SIADH. After implementing rescue measures such as sedation, analgesia, sodium supplementation, potassium supplementation, cranial pressure reduction, and correction of acid-base imbalance, the patient′s plasma sodium concentration returned to within normal range. Subsequently, the patient underwent 3 cycles of cisplatin combined with etoposide chemotherapy and concurrent chemoradiotherapy. Eventually, the tumor recurred, and the patient unable to tolerate anti-tumor therapy due to fourth-degree bone marrow suppression and poor physical condition, which led to eventual demise. Early recognition and diagnosis of SIADH are difficult, and improper diagnosis and treatment can lead to cognitive impairment, epilepsy, coma, osmotic demyelinating syndrome, etc., affecting the prognosis of patients. [ABSTRACT FROM AUTHOR]
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- 2024
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33. Kidney dysfunction after acute brain injury.
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Rosa, Silvia De, Battaglini, Denise, and Robba, Chiara
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- *
INAPPROPRIATE ADH syndrome , *BRAIN injuries , *KIDNEY diseases , *ATRIAL natriuretic peptides , *KIDNEYS - Abstract
This article discusses the relationship between traumatic brain injury (TBI) and kidney dysfunction. TBI can lead to increased renal clearance, which can affect drug dosing strategies and renal function. The mechanisms involved in kidney damage after TBI are not fully understood, but they may be related to the systemic inflammatory response and hemodynamic alterations. Patients with TBI are at a higher risk of developing augmented renal clearance (ARC), which can lead to subtherapeutic drug levels and treatment failure. Acute kidney injury (AKI) is also a common occurrence after TBI and can worsen patient outcomes. Modifiable factors that contribute to AKI include osmotic therapy, exposure to nephrotoxic agents, and sodium management. The optimal strategy for preventing and treating AKI in TBI patients remains uncertain, but guidelines recommend avoiding nephrotoxic agents and optimizing fluid status and hemodynamics. Continuous kidney replacement therapy may be necessary for patients with progressive AKI. Future research should focus on diagnostic approaches and biomarkers for kidney damage in TBI patients. [Extracted from the article]
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- 2024
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34. Analysis of a pituitary tumour with histological features of central neurocytoma points towards the emergence of a new entity recognisable by a specific epigenetic signature.
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Godfraind, Catherine, Marie, Coutelier, Pissaloux, Daniel, Fabien, Forest, Vandenbos, Fanny, Hasselblatt, Martin, Boutonnat, Jean, Aurélien, Coste, Sylvie, Lantuejoul, and Anne, Mc Leer
- Subjects
- *
EPIGENETICS , *DOSE-response relationship (Radiation) , *INAPPROPRIATE ADH syndrome - Published
- 2024
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35. Uric Acid Metabolic Disorders in Pituitary-Target Gland Axis.
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Li, Ru, Wu, Baofeng, Han, Minmin, Li, Mengnan, Yang, Xifeng, Zhang, Jian, Zhang, Yi, and Liu, Yunfeng
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URIC acid ,METABOLIC disorders ,INAPPROPRIATE ADH syndrome ,PITUITARY gland ,CUSHING'S syndrome ,ENDOCRINE diseases ,THYROID gland ,VASOPRESSIN - Abstract
Uric acid (UA) is the end product of purine metabolism in the human, and the imbalance between production and excretion results in the disturbance of serum uric acid (SUA). There is evidence suggesting that pituitary-target gland hormones can affect UA metabolism through regulating the activity of xanthine oxidase and UA transporters. Related endocrine diseases including thyroid dysfunction, polycystic ovary syndrome, acromegaly and Cushing's syndrome are often accompanied by elevated UA levels. In addition to the direct influence of abnormal hormones, obesity and insulin resistant play a pivotal role. Diabetes insipidus and the syndrome of inappropriate antidiuretic hormone secretion also present with abnormal SUA levels due to the action of antidiuretic hormone. However, certain evidence within the population is disputed. This review summarized the effects of pituitary-target gland hormones on UA metabolism, and preliminarily described the related mechanisms, offering a theoretical foundation for assessing SUA in endocrine disorders as well as guiding its management. [ABSTRACT FROM AUTHOR]
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- 2024
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36. Effect of Protein Supplementation on Plasma Sodium Levels and Urinary Urea Excretion in Patients With SIAD (TREASURE)
- Published
- 2023
37. Vortioxetine‐induced syndrome of inappropriate secretion of antidiuretic hormone: A case report.
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Sasaki, Taro, Shindo, Yunosuke, Kikuchi, Kota, Kawamata, Yasushi, Sugawara, Norio, and Yasui‐Furukori, Norio
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INAPPROPRIATE ADH syndrome , *MENTAL depression , *DEPRESSION in men , *SERUM - Abstract
Background: Vortioxetine, known for its efficacy in treating depression through its effects on various neurotransmitters, has not been previously reported to induce syndrome of inappropriate secretion of antidiuretic hormone (SIADH). Case Presentation: This case report describes a 74‐year‐old man with major depressive disorder who developed SIADH 1 week after starting treatment with vortioxetine. SIADH is characterized by symptoms such as headache, nausea, disorientation, and seizures, stemming from hyponatremia (123 mEq/L), without dehydration or edema. Vortioxetine was discontinued, and an alternative drug, mianserin, was initiated. The patient was restricted from drinking water due to hyponatremia. The serum Na concentration improved over time to within the normal range by the second week after admission. Conclusion: This is the first case report of vortioxetine‐induced SIADH. This report documents the first known case where vortioxetine, a medication for depression, caused a rare side effect: Syndrome of Inappropriate Secretion of Antidiuretic Hormone (SIADH) in a 74‐year‐old male patient. Within a week of starting vortioxetine, the patient experienced symptoms like headache, nausea, confusion, and seizures, attributable to low blood sodium levels. Upon discontinuing vortioxetine and switching to another antidepressant, the patient's condition normalized within two weeks. This case highlights a significant association between vortioxetine and SIADH. [ABSTRACT FROM AUTHOR]
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- 2024
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38. Editorial: Recent advances in pediatric craniopharyngioma.
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Müller, Hermann L., Jie Zhou, and Junxiang Peng
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CRANIOPHARYNGIOMA ,INAPPROPRIATE ADH syndrome ,WEIGHT loss ,MOUTH - Abstract
This article is an editorial discussing recent advances in pediatric craniopharyngioma, a rare type of brain tumor that primarily affects children. The tumor is located in the sellar/parasellar area and can cause various complications, including visual impairment, endocrine deficits, obesity, and neurocognitive issues. The editorial highlights the importance of hypothalamus-sparing treatment strategies and explores novel pharmaceutical approaches for managing obesity and other symptoms associated with craniopharyngioma. The article also mentions ongoing clinical trials and studies that are investigating potential treatment options for this condition. [Extracted from the article]
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- 2024
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39. Implications of Dysnatremia and Endocrine Disturbances in COVID-19 Patients
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Mihaela Zlosa, Barbara Grubišić, Luka Švitek, Dario Sabadi, Silvija Canecki-Varžić, Ivica Mihaljević, Ines Bilić-Ćurčić, and Tomislav Kizivat
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COVID-19 ,sodium imbalance ,inappropriate ADH syndrome ,pituitary gland ,adrenal gland ,thyroid gland ,Biology (General) ,QH301-705.5 ,Chemistry ,QD1-999 - Abstract
Sodium imbalance is a common electrolyte disturbance in COVID-19, often linked to disruptions in hormonal regulation. This review explores the relationship between sodium dysregulation and endocrine disturbances, particularly focusing on primary and secondary hypothyroidism, hypocortisolism, and the renin–angiotensin–aldosterone system (RAAS). Hypocortisolism in COVID-19, due to adrenal insufficiency or secondary to pituitary dysfunction, can lead to hyponatremia through inadequate cortisol levels, which impair renal free water excretion and enhance antidiuretic hormone (ADH) secretion. Similarly, hypothyroidism is associated with decreased renal blood flow and the glomerular filtration rate (GFR), which also increases ADH activity, leading to water retention and dilutional hyponatremia. Furthermore, COVID-19 can disrupt RAAS (primarily through its interaction with the angiotensin-converting enzyme 2 (ACE2) receptor), diminishing aldosterone secretion and further contributing to sodium loss and hyponatremia. These hormonal disruptions suggest that sodium imbalance in COVID-19 is multifactorial and warrants further investigation into the complex interplay between COVID-19, endocrine function, and sodium homeostasis. Future research should focus on understanding these mechanisms to develop management algorithms that address both sodium imbalance and underlying hormonal disturbances in order to improve prognosis and outcomes in COVID-19 patients.
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- 2024
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40. Week-to-week within-subject and between-subject biological variation of copeptin.
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Guldhaug, Nora Alicia, Røys, Eirik Åsen, Viste, Kristin, Thorsby, Per Medbøe, Sylte, Marit Sverresdotter, Torsvik, Janniche, Strand, Heidi, Alaour, Bashir, Marber, Michael, Omland, Torbjørn, and Aakre, Kristin Moberg
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BIOLOGICAL variation , *OUTLIER detection , *INAPPROPRIATE ADH syndrome - Abstract
This document presents the findings of two studies on the biological variation of copeptin, a hormone associated with fluid imbalance and various physiological processes. The first study focused on establishing the week-to-week biological variation of copeptin using statistical methods. The results provide important information for interpreting test results and calculating reference values. The second study compared copeptin variation between different groups and suggested using delta values for clinical changes. Both studies acknowledge limitations and recommend further research. Overall, these studies contribute to our understanding of copeptin variation and its clinical implications. [Extracted from the article]
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- 2024
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41. Tolvaptan and urea in paediatric hyponatraemia.
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Veligratli, Faidra, Alexandrou, Demitra, Shah, Sarit, Amin, Rakesh, Dattani, Mehul, Gan, Hoong-Wei, Famuboni, Adeola, Lopez-Garcia, Camilo, Trompeter, Richard, and Bockenhauer, Detlef
- Subjects
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UREA , *HETEROCYCLIC compounds , *SODIUM , *PEDIATRICS , *RETROSPECTIVE studies , *TREATMENT effectiveness , *HYPONATREMIA , *INAPPROPRIATE ADH syndrome , *ELECTRONIC health records , *PATIENT safety - Abstract
Background: The syndrome of inappropriate antidiuretic hormone (SIADH) is usually treated with fluid restriction. This can be challenging in patients with obligate fluid intake for nutrition or medication. Pharmaceutical treatment with tolvaptan and urea is available but minimal paediatric data are available. We review the efficacy and safety of tolvaptan and urea in paediatric patients with SIADH. Methods: Retrospective review of paediatric inpatients with clinical diagnosis of SIADH. Patients were identified from pharmacy records based on tolvaptan and urea prescriptions. Relevant information was extracted from patient electronic records. The main outcome measures included the number of days to sodium normalisation, the daily change in plasma sodium concentration, and the maximum increase of plasma sodium concentration in 24 h. Reported side effects were captured. Results: Thirteen patients received tolvaptan and six urea. Five patients had both agents (tolvaptan converted to urea). Tolvaptan led to plasma sodium normalisation in 10/13 (77%) within 6 days (median 2.5 days, range [1, 6]), with a median change of sodium concentration of 7 mmol/L (− 1, 14) within the first 24 h of treatment. Three patients experienced a change in plasma sodium > 10 mmol/l/day but had no apparent side effects. Urea led to sodium normalisation in 5/6 (83%) patients. The median number of days to normalisation with urea was 2 (1, 10) with a median change of plasma sodium concentration of 2 mmol/L (− 1, 6) within the first 24 h. All patients tolerated tolvaptan and/or urea without unexpected side effects. Conclusions: Tolvaptan and urea appear to be safe and effective when fluid restriction is challenging in paediatric SIADH. [ABSTRACT FROM AUTHOR]
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- 2024
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42. SALT WASTING SYNDROME: SERIAL CASES.
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Anggelia, Vivi, Nugroho, Agung Adi, Ayu, Nyoman Paramita, and Losen Adnyana, I. Wayan
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WASTING syndrome , *INAPPROPRIATE ADH syndrome , *THIRST , *CEREBRAL edema , *CENTRAL nervous system - Abstract
Hyponatremia is one of the electrolyte disturbances that can be found in patients with central nervous system disorders, the most cases of hyponatremia are the Syndrome of Inappropriate Antidiuretic Hormone/SIADH compared to hyponatremia in Cerebral Salt Wasting Syndrome/CSWS and it is not uncommon to also occur in patients undergoing chemotherapy treatment without accompanying head abnormalities are referred to as Renal Salt Wasting Syndrome (RSWS). There is difficulty differentiating these two conditions due to almost the same clinical symptoms. Evaluation of volume status and monitoring of urate excretion fraction can help differentiate SIADH from RSWS and CSWS. Management requiring prompt diagnosis is essential to prevent severe hyponatremia from substantially causing cerebral edema and thereby reducing the risk of seizures. Fluid resuscitation therapy and sodium restoration are important. This case series report injured 2 CSWS patients after head trauma with different treatments and hyponatremia due to cisplatin induced RSWS. [ABSTRACT FROM AUTHOR]
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- 2024
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43. Syndrome of inappropriate antidiuretic hormone secretion as an adverse reaction of ciprofloxacin: a case report and literature review.
- Author
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Švitek, Luka, Grubišić, Barbara, Schonberger, Ema, Zlosa, Mihaela, Sabadi, Dario, Lišnjić, Dubravka, Canecki-Varžić, Silvija, Bilić-Ćurčić, Ines, and Mandić, Sanja
- Subjects
- *
INAPPROPRIATE ADH syndrome , *HYPONATREMIA , *LITERATURE reviews , *CIPROFLOXACIN , *VASOPRESSIN , *CONSCIOUSNESS raising , *PITUITARY gland - Abstract
Antidiuretic hormone (ADH) is secreted by the posterior pituitary gland. Unsuppressed release of ADH leads to hyponatremia. This condition is referred to as syndrome of inappropriate antidiuretic hormone secretion (SIADH). Hereby, a case report is presented on ciprofloxacin-induced SIADH. A 67-year-old male patient was examined in the emergency room with symptoms of lethargy, headache, lack of attention, and a generally depressed mood lasting for three days. One week prior, empirical antimicrobial therapy involving ciprofloxacin for prostatitis was initiated. Laboratory analysis showed no relevant abnormalities except for hyponatremia (Na = 129 mmol/L). Chronic hyponatremia, thyroid dysfunction, and adrenal dysfunction were ruled out. Serum osmolality was 263 mOsmol/kg, urine osmolality was 206 mOsmol/kg, and urine sodium was 39 mmol/L. Given that all criteria for SIADH were met, ciprofloxacin was discontinued, and fluid restriction was advised. Four days later, the patient's serum sodium concentrations nearly normalized (Na = 135 mmol/L), and all symptoms resolved. The Naranjo Scale yielded a score of 8, supporting the likelihood of a probable adverse reaction to ciprofloxacin. This case is presented to raise awareness among clinicians about the potential of ciprofloxacin to cause even mild hyponatremia. [ABSTRACT FROM AUTHOR]
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- 2024
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44. Changes in Serum Analytics and Biochemical Urinary Parameters Following Brain Tumor Operation.
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Reihanian, Zoheir, Ashraf, Ali, Mashategan, Malihe, Eftekhari, Behrad, Pourhabibi, Zahra, and Zaresharifi, Nooshin
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BRAIN tumors , *SPECIFIC gravity , *BLOOD urea nitrogen , *INAPPROPRIATE ADH syndrome , *KIDNEY physiology - Abstract
Background: Changes in the body fluid and serum electrolyte status following major operations, such as brain tumor resection, are always expected. These changes can increase post-operation morbidity and mortality. Objectives: We aimed to evaluate the changes in serum electrolyte levels and renal function parameters in brain tumor patients after operation. Materials & Methods: This cross-sectional study was performed on 168 patients with supratentorial tumors in Poursina Hospital, Rasht City, Iran, in 2020. The study parameters included patients' demographics, hemodynamic stability, serum sodium, potassium, blood urea nitrogen (BUN) and creatinine levels, urine specific gravity, and urinary output, measured immediately and 12 hours after the operation. Results: This study revealed statistically significant increases in serum sodium level (from 139.70±5.60 meq/L to 140.34±6.23 meq/L, P=0.002), urinary output (from 1043.70±455.00 mL to 1967.50±661.10 mL, P=0.008), urine specific gravity (from 1.010±0.007 to 1.012±0.008, P=0.011), and in serum BUN level (from 17.46±6.92 to 18.41±6.40, P=0.001), but significant decrease in serum potassium level (from 3.88±0.49 meq/L to 3.78±0.28 meq/L, P=0.017) during the first 12 hours after operation. However, the change in serum creatinine level was not significant (from 1.18±2.08 mg/dL to 1.17±2.08 mg/dL, P=0.787). Conclusion: Significant changes in serum electrolytes (sodium and potassium) and renal function indicators (urine output, specific gravity, and serum BUN) are expected within the first 12 hours after brain tumor operation. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
45. The risk of antidepressant-induced hyponatremia: A meta-analysis of antidepressant classes and compounds.
- Author
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Gheysens, Tim, Van Den Eede, Filip, and De Picker, Livia
- Subjects
- *
ANTIDEPRESSANTS , *HYPONATREMIA , *DRUG side effects , *INAPPROPRIATE ADH syndrome , *SEROTONIN uptake inhibitors , *TRAZODONE - Abstract
Background. Hyponatremia (hypoNa) is a potentially serious adverse event of antidepressant treatment. Previous research suggests the risk of drug-induced hyponatremia differs between antidepressants. This meta-analysis sought to determine the risk of antidepressant-induced hypoNa, stratified by different compounds and classes. Methods. A PRISMA-compliant systematic search of Web of Science and PubMed databases was performed from inception until Jan 5, 2023, for original studies reporting incidences or risks of hypoNa in adults using antidepressants. We modelled random-effects meta-analyses to compute overall event rates and odds ratios of any and clinically relevant hypoNa for each compound and class, and ran head-to-head comparisons based on hypoNa event rates. We conducted subgroup analyses for geriatric populations and sodium cut-off value. The study is registered with PROSPERO, CRD42021269801. Results. We included 39 studies (n = 8,175,111). Exposure to antidepressants was associated with significantly increased odds of hypoNa (k = 7 studies, OR = 3.160 (95%CI 1.911-5.225)). The highest event rates were found for SNRIs (7.44%), SSRIs (5.59%), and TCAs (2.66%); the lowest for mirtazapine (1.02%) and trazodone (0.89%). Compared to SSRIs, SNRIs were significantly more likely (k = 10, OR = 1.292 (1.120 - 1.491), p < 0.001) and mirtazapine significantly less likely (k = 9, OR = 0.607 (0.385 - 0.957), p = 0.032) to be associated with hypoNa. Conclusion. Our meta-analysis demonstrated that, while no antidepressant can be considered completely risk-free, for hypoNa-prone patients mirtazapine should be considered the treatment of choice and SNRIs should be prescribed more cautiously than SSRIs and TCAs. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
46. Acid base homeostasis and serum bicarbonate concentration in syndrome of inappropriate antidiuretic hormone secretion (SIADH) with hyponatremia.
- Author
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Soleimani, Manoocher
- Subjects
INAPPROPRIATE ADH syndrome ,HOMEOSTASIS ,BICARBONATE ions ,HYPONATREMIA ,SECRETION ,BRAIN tumors - Abstract
The Syndrome of Inappropriate ADH secretion (SIADH) presents with excess ADH release caused by a range of conditions; including pneumonia, brain tumors, certain lung cancers, and diseases of the hypothalamus. It presents with significant reduction in both sodium and chloride concentrations in the blood. However, reports examining the acid base status indicate a normal serum bicarbonate concentration and systemic acid base homeostasis. The mechanisms for the absence of abnormalities in acid base homeostasis remain speculative. This mini review is highlighting the recent advances in renal molecular physiology to provide answers for the maintenance of acid base status and serum bicarbonate in a physiological range. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
47. Hashimoto Encephalopathy Presenting with Acute Psychosis and Inappropriate Secretion of Antidiuretic Hormone: A Rare Case Responding to Steroid Therapy.
- Author
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Masato Okitsu, Keizo Sugaya, Makoto Yoneda, and Kazushi Takahashi
- Subjects
- *
INAPPROPRIATE ADH syndrome , *VASOPRESSIN , *SINGLE-photon emission computed tomography , *BRAIN diseases , *STEROID drugs , *CEREBROSPINAL fluid examination - Abstract
Background: Hashimoto's encephalopathy (HE) is an autoimmune encephalopathy that can involve various symptoms including psychosis. Syndrome of inappropriate secretion of antidiuretic hormone (SIADH) may be a complication in some neurological diseases. However, the simultaneous occurrence of subacute psychosis and SIADH as the manifestation of HE, observed in the present case, has rarely been reported. Case Report: A 72-year-old man was hospitalized with a 4-month history of abnormal behaviors, including talkativeness, stopping consumption of coffee and cigarettes, hoarding garbage, and sleep disorders. On physical examination, increased and incoherent speech with flight of idea and delusion were observed. The Mini-Mental State Examination score was 28/30. Laboratory findings included hyponatremia due to SIADH and a positive result for anti-thyroid and anti-NH2 terminal of alpha-enolase antibodies. Cerebrospinal fluid examination revealed only elevation of IL-6. Brain magnetic resonance imaging was unremarkable; however, (I-123)-iodoamphetamine single-photon emission computed tomography showed extensive hyperperfusion involving the brainstem and bilateral frontal and medial temporal lobes. Electroencephalography showed generalized slow waves, but there were no epileptiform discharges. After 2 courses of high-dose intravenous methylprednisolone followed by oral prednisolone, his symptoms improved. Based on the findings of clinical features and steroid responsiveness, he was diagnosed with HE. Oral prednisolone and antipsychotic drugs were decreased without a relapse and he was discharged to his home. Conclusions: Although psychosis complicating SIADH is rare, HE should be considered in the differential diagnosis because of its treatment efficacy. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
48. Mechanisms of hyponatremia and diabetes insipidus after acute spinal cord injury: a critical review.
- Author
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Li, Lianhua, Guo, Yanhui, Chen, Chen, Wang, Zhonghe, and Liu, Zhi
- Subjects
DIABETES insipidus ,SPINAL cord injuries ,HYPONATREMIA ,INAPPROPRIATE ADH syndrome ,VASOPRESSIN ,SYMPTOMS ,POLYDIPSIA - Abstract
The incidence of hyponatremia after spinal cord injury was reported to be between 25 and 80%. Hyponatremia can lead to a variety of clinical symptoms, from mild to severe and even life-threatening. Hyponatremia is often associated with diabetes insipidus, which refers to insufficient arginine vasopressin (AVP) secretion or defective renal response to AVP, with clinical manifestations of syndromes such as hypoosmolality, polydipsia, and polydipsia. Recent mechanistic studies on hyponatremia and diabetes insipidus after acute spinal cord injury have been performed in isolation, without integrating the above two symptoms into different pathological manifestations that occur in the same injury state and without considering the acute spinal cord injury patient's condition as a whole. The therapeutic principles of CSWS and SIADH are in opposition to one another. It is not easy to identify the mechanism of hyponatremia in clinical practice, which makes selecting the treatment difficult. According to the existing theories, treatments for hyponatremia and diabetes insipidus together are contraindicated, whether the mechanism of hyponatremia is thought to be CSWS or SIADH. In this paper, we review the mechanism of these two pathological manifestations and suggest that our current understanding of the mechanisms of hyponatremia and diabetes insipidus after high acute cervical SCI is insufficient, and it is likely that there are other undetected pathogenetic mechanisms. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
49. Food for thought: protein supplementation for the treatment of the syndrome of inappropriate antidiuresis.
- Author
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Pelouto, Anissa, Zandbergen, Adrienne A. M., and Hoorn, Ewout J.
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PROTEIN powders , *INAPPROPRIATE ADH syndrome - Published
- 2023
- Full Text
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50. A case of hyponatraemia secondary to vitamin D deficiency.
- Author
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Greenstein, LS, Daya, R, Jacob, D, and Bayat, Z
- Subjects
- *
VITAMIN D deficiency , *INAPPROPRIATE ADH syndrome , *FIBROBLAST growth factors , *VASOPRESSIN , *HOMEOSTASIS , *HIP fractures , *FEMORAL fractures , *RENIN-angiotensin system , *GAIT in humans - Abstract
Hyponatraemia and Vitamin D deficiency are common conditions in older adults. Both conditions cause bone fragility and gait abnormalities, which are risk factors for falls and poor health outcomes in older adults. Vitamin D deficiency is a risk factor for osteoporosis and increases the risk for fragility fractures. Hyponatraemia, the commonest electrolyte abnormality, causes bone resorption and contributes to falls by impairing cognition and by causing gait abnormalities. Sodium homeostasis is complex and the syndrome of inappropriate antidiuretic hormone secretion (SIADH), a diagnosis of exclusion, is one of the most common causes of hyponatraemia. Instability is a feared geriatric syndrome, as falls can have devastating consequences for the older adult, leading to significant morbidity and mortality. Previous studies have shown that patients with hyponatraemia had a higher rate of vitamin D deficiency and, conversely, those with vitamin D deficiency had a higher rate of hyponatraemia. The exact pathophysiological mechanism behind this correlation is unclear but may involve bone derived hormone fibroblast growth factor 23 and the renin–angiotensin–aldosterone system. A case of an 83-year-old Asian female, who presented with an osteoporotic intertrochanteric femoral fracture following a fall, is presented. She was found to have chronic hyponatraemia and was subsequently diagnosed with SIADH due to vitamin D deficiency. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
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