9 results on '"Masayuki Akatsuka"'
Search Results
2. Low immunoglobulin G level is associated with poor outcomes in patients with sepsis and septic shock
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Hiroomi Tatsumi, Tomoko Sonoda, Masayuki Akatsuka, and Yoshiki Masuda
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Male ,0301 basic medicine ,Microbiology (medical) ,medicine.medical_specialty ,030106 microbiology ,Microbiology ,Gastroenterology ,Procalcitonin ,Immunoglobulin G ,law.invention ,Sepsis ,03 medical and health sciences ,0302 clinical medicine ,law ,Internal medicine ,Humans ,Immunology and Allergy ,Medicine ,Hospital Mortality ,030212 general & internal medicine ,Mortality ,Outcome ,Aged ,Retrospective Studies ,General Immunology and Microbiology ,biology ,APACHE II ,business.industry ,Septic shock ,Area under the curve ,General Medicine ,Middle Aged ,Prognosis ,medicine.disease ,Shock, Septic ,Intensive care unit ,QR1-502 ,Intensive Care Units ,Infectious Diseases ,ROC Curve ,biology.protein ,Female ,SOFA score ,business - Abstract
Background: Despite studies on low immunoglobulin G (IgG) levels in critically ill patients, their association with clinical outcomes in sepsis patients remains disputed. Herein, we determined the association between low IgG levels and clinical outcomes and investigated the 28-day mortality in patients with low IgG levels. Methods: We retrospectively identified 238 patients whose serum IgG levels were measured upon intensive care unit admission using medical record data collected between January 2013 and August 2018. We extracted data on patient characteristics, severity scores (APACHE II, SOFA score), neutrophil-lymphocyte ratio (NLR), procalcitonin levels, and serum IgG levels and calculated the cut-off value for the IgG level according to the evaluated clinical outcomes. The primary outcome was 28-day mortality. Results: There were no significant differences in NLR and procalcitonin levels between survivors and non-survivors; serum IgG levels were significantly higher in survivors than in non-survivors (P = 0.004). A serum IgG cut-off value of 670 mg/dL was calculated from receiver operating characteristic curve analysis, and serum IgG levels significantly predicted survival with an area under the curve of 0.63 (95% CI, 0.54–0.72) (P = 0.004). Patients with low IgG levels (
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- 2021
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3. Therapeutic Evaluation of Computed Tomography Findings for Efficacy of Prone Ventilation in Acute Respiratory Distress Syndrome Patients with Abdominal Surgery
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Hiroomi Tatsumi, Masayuki Akatsuka, Naoya Yama, and Yoshiki Masuda
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Mechanical ventilation ,ARDS ,Supine position ,business.industry ,RC86-88.9 ,medicine.medical_treatment ,Atelectasis ,computed tomography ,Medical emergencies. Critical care. Intensive care. First aid ,General Medicine ,030204 cardiovascular system & hematology ,acute respiratory distress syndrome ,medicine.disease ,Ventilation/perfusion ratio ,Prone ventilation ,03 medical and health sciences ,Prone position ,0302 clinical medicine ,030228 respiratory system ,Fraction of inspired oxygen ,Anesthesia ,prone position ,Medicine ,business ,Research Article - Abstract
Introduction In Acute Respiratory Distress Syndrome (ARDS), the heterogeneity of lung lesions results in a mis-match between ventilation and perfusion, leading to the development of hypoxia. The study aimed to examine the association between computed tomographic (CT scan) lung findings in patients with ARDS after abdominal surgery and improved hypoxia and mortality after prone ventilation. Material and Methods A single site, retrospective observational study was performed at the Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan, between 1st January 2004 and 31st October 2018. Patients were allocated to one of two groups after CT scanning according to the presence of ground-glass opacity (GGO) or alveolar shadow with predominantly dorsal lung atelectasis (DLA) on lung CT scan images. Also, Patients were divided into a prone ventilation group and a supine ventilation group when the treatment for ARDS was started. Results We analyzed data for fifty-one patients with ARDS following abdominal surgery. CT scans confirmed GGO in five patients in the Group A and in nine patients in the Group B, and DLA in 17 patients in the Group A and nine patients in the Group B. Both GGO and DLA were present in two patients in the Group A and nine patients in the Group B. Prone ventilation significantly improved patients’ impaired ratio of arterial partial pressure of oxygen to fraction of inspired oxygen from 12 h after prone positioning compared with that in the supine position. Weaning from mechanical ventilation occurred significantly earlier in the Group A with DLA vs the Group B with DLA (P < 0.001). Twenty-eight-day mortality was significantly lower for the Group A with DLA vs the Group B with DLA (P = 0.035). Conclusions These results suggest that prone ventilation could be effective for treating patients with ARDS as showing the DLA.
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- 2020
4. Sudden cardiac arrest associated with myxedema coma due to undiagnosed hypothyroidism: a case report
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Masayuki Akatsuka, Michiaki Yamakage, Asami Yoshinaka, and Shuji Yamamoto
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medicine.medical_specialty ,Endocrinology, Diabetes and Metabolism ,Myxedema coma ,Case Report ,Physical examination ,Return of spontaneous circulation ,Diseases of the endocrine glands. Clinical endocrinology ,Diagnosis, Differential ,Electrocardiography ,Hypothyroidism ,Internal medicine ,Edema ,Myxedema ,medicine ,Humans ,Medical history ,Coma ,medicine.diagnostic_test ,business.industry ,Sudden cardiac arrest ,General Medicine ,Middle Aged ,RC648-665 ,Cardiac arrest ,medicine.disease ,Heart Arrest ,Death, Sudden, Cardiac ,Echocardiography ,Cardiology ,Female ,Radiography, Thoracic ,Thyroid function ,Differential diagnosis ,medicine.symptom ,Tomography, X-Ray Computed ,business - Abstract
Background Myxedema coma, which occurs due to hypothyroidism, is a rare and life-threatening condition. Some patients have hemodynamic dysfunction, which consequently leads to cardiac arrest. The rarity of this condition makes it difficult to determine the cause of cardiac arrest. It is important to diagnose myxedema coma based on clinical findings, including physical examination and laboratory parameters. We present a case of undiagnosed and untreated hypothyroidism that initially caused myxedema coma and then led to cardiac arrest. Case presentation A 56-year-old woman who had no medical history was transferred to our hospital for the management of return of spontaneous circulation due to sudden cardiac arrest. Findings of laboratory tests revealed that she had hypothyroidism. On physical examination, she was found to have a puffy face, thin eyebrows, and severe systemic non-pitting edema. Therefore, the patient was clinically diagnosed with myxedema coma, which was the cause of cardiac arrest. She was treated with thyroid hormone and hydrocortisone, resulting in improvement in her general condition, except for the neurological dysfunction. Conclusions This case suggests that myxedema coma is caused by undiagnosed and untreated hypothyroidism, leading to sudden cardiac arrest. Our findings are useful in the differential diagnosis of hypothyroidism based on characteristic physical examination findings. Clinicians should be aware of the differential diagnosis of myxedema coma based on findings from physical examination and laboratory testing of thyroid function, and the treatment should be started immediately.
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- 2021
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5. The effect of recombinant human soluble thrombomodulin on renal function and mortality in septic disseminated intravascular coagulation patients with acute kidney injury: a retrospective study
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Hiroomi Tatsumi, Masayuki Akatsuka, Tomoko Sonoda, and Yoshiki Masuda
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medicine.medical_specialty ,medicine.medical_treatment ,Renal function ,Disseminated intravascular coagulation ,030204 cardiovascular system & hematology ,Critical Care and Intensive Care Medicine ,law.invention ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,law ,Sepsis ,Internal medicine ,medicine ,Renal replacement therapy ,Creatinine ,Septic shock ,business.industry ,Research ,Mortality rate ,lcsh:Medical emergencies. Critical care. Intensive care. First aid ,Acute kidney injury ,030208 emergency & critical care medicine ,Recombinant human soluble thrombomodulin ,lcsh:RC86-88.9 ,Odds ratio ,medicine.disease ,Intensive care unit ,chemistry ,business - Abstract
Background Clinical evidence showing the effectiveness of recombinant human soluble thrombomodulin (rhTM) for treating sepsis-induced disseminated intravascular coagulation (DIC) and organ dysfunction (particularly renal injury) is limited because of differences in the inclusion criteria and disease severity among patients. This study aimed to assess the association between rhTM and outcomes in septic DIC patients with acute kidney injury (AKI). Methods This retrospective observational study analyzed the data of patients who were admitted to the intensive care unit (ICU) of a single center between January 2012 and December 2018, and diagnosed with sepsis-induced DIC and AKI. Data were extracted as follows: patients’ characteristics; DIC score, as calculated by the Japanese Association for Acute Medicine and the International Society of Thrombosis and Hemostasis criteria; serum creatinine levels; and ICU and 28-day mortality rates. The primary outcome was the dependence on renal replacement therapy (RRT) at ICU discharge. The propensity score (PS) was calculated using the following variables: age, sex, septic shock at admission, DIC score, and KDIGO classification. Subsequently, logistic regression analysis was performed using the PS to evaluate the outcome. Results In total, 97 patients were included in this study. Of these, 52 (53.6%) patients had received rhTM. The dependence on RRT at ICU discharge was significantly lower in the rhTM than in the non-rhTM group (odds ratio [OR], 0.43; 95% confidence interval [CI], 0.19–0.97; P = 0.043). The serum creatinine levels at ICU discharge (OR, 0.31; 95% CI, 0.13–0.72; P = 0.007) and hospital discharge (OR, 0.25; 95% CI, 0.11–0.60; P = 0.002, respectively), and the 28-day mortality rate (OR, 0.40; 95% CI, 0.17–0.93; P = 0.033) were significantly lower in the rhTM than in the non-rhTM group. Moreover, the Kaplan–Meier survival curve revealed significantly lower mortality rates in the rhTM than in the non-rhTM group (P = 0.009). No significant differences in the DIC score and AKI severity were observed between the groups. Conclusions Among sepsis-induced DIC patients with AKI, rhTM administration was associated with lower dependence on RRT at ICU discharge, improvement in renal function, and lower 28-day mortality rate.
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- 2020
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6. Recombinant human soluble thrombomodulin is associated with attenuation of sepsis-induced renal impairment by inhibition of extracellular histone release
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Hiroomi Tatsumi, Yoshiki Masuda, Masayuki Akatsuka, and Michiaki Yamakage
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0301 basic medicine ,Male ,Physiology ,Thrombomodulin ,030204 cardiovascular system & hematology ,Pharmacology ,Kidney ,Pathology and Laboratory Medicine ,Biochemistry ,law.invention ,Histones ,0302 clinical medicine ,law ,Immune Physiology ,Lectins ,Medicine and Health Sciences ,Cecum ,Immune Response ,Innate Immune System ,Multidisciplinary ,biology ,Acute kidney injury ,Recombinant Proteins ,Histone ,medicine.anatomical_structure ,Creatinine ,Recombinant DNA ,Cytokines ,Medicine ,medicine.symptom ,Anatomy ,Research Article ,Histology ,Science ,Immunology ,Inflammation ,Punctures ,Sepsis ,03 medical and health sciences ,Histone H3 ,Signs and Symptoms ,Protein Domains ,Diagnostic Medicine ,DNA-binding proteins ,medicine ,Extracellular ,Animals ,Humans ,Rats, Wistar ,Ligation ,Biology and life sciences ,business.industry ,Organ dysfunction ,Proteins ,Kidneys ,Renal System ,Molecular Development ,medicine.disease ,Survival Analysis ,030104 developmental biology ,Immune System ,biology.protein ,business ,Extracellular Space ,Biomarkers ,Developmental Biology - Abstract
Multiple organ dysfunction induced by sepsis often involves kidney injury. Extracellular histones released in response to damage-associated molecular patterns are known to facilitate sepsis-induced organ dysfunction. Recombinant human soluble thrombomodulin (rhTM) and its lectin-like domain (D1) exert anti-inflammatory effects and neutralize damage-associated molecular patterns. However, the effects of rhTM and D1 on extracellular histone H3 levels and kidney injury remain poorly understood. Our purpose was to investigate the association between extracellular histone H3 levels and kidney injury, and to clarify the effects of rhTM and D1 on extracellular histone H3 levels, kidney injury, and survival in sepsis-induced rats. Rats in whom sepsis was induced via cecal ligation and puncture were used in this study. Histone H3 levels, histopathology of the kidneys, and the survival rate of rats at 24 h after cecal ligation and puncture were investigated. Histone H3 levels increased over time following cecal ligation and puncture. Histopathological analyses indicated that the distribution of degeneration foci among tubular epithelial cells of the kidney and levels of histone H3 increased simultaneously. Administration of rhTM and D1 significantly reduced histone H3 levels compared with that in the vehicle-treated group and improved kidney injury. The survival rates of rats in rhTM- and D1-treated groups were significantly higher than that in the vehicle-treated group. The results of this study indicated that rhTM and its D1 similarly reduce elevated histone H3 levels, thereby reducing acute kidney injury. Our findings also proposed that rhTM and D1 show potential as new treatment strategies for sepsis combined with acute kidney injury.
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- 2020
7. 1260: Early Renal Replacement Therapy Improves Renal Function in Patients With Septic Acute Kidney Injury
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Yoshiki Masuda, Hiroomi Tatsumi, and Masayuki Akatsuka
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medicine.medical_specialty ,business.industry ,medicine.medical_treatment ,medicine ,Acute kidney injury ,Urology ,Renal function ,In patient ,Renal replacement therapy ,Critical Care and Intensive Care Medicine ,medicine.disease ,business - Published
- 2020
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8. Ultrasound-guided para-umbilical block: a pediatric case
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Takeshi Murouchi, Johji Arakawa, Michiaki Yamakage, and Masayuki Akatsuka
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medicine.medical_specialty ,medicine.medical_treatment ,Umbilicus (mollusc) ,Case Report ,Intercostal nerves ,lcsh:RD78.3-87.3 ,03 medical and health sciences ,0302 clinical medicine ,030202 anesthesiology ,030225 pediatrics ,medicine ,Pediatric anesthesia ,Rectus abdominis muscle ,business.industry ,lcsh:Medical emergencies. Critical care. Intensive care. First aid ,Perioperative analgesia ,lcsh:RC86-88.9 ,Rectus sheath ,Perioperative ,medicine.disease ,Hernia repair ,Umbilical hernia ,Surgery ,Para-umbilical block ,Anesthesiology and Pain Medicine ,medicine.anatomical_structure ,lcsh:Anesthesiology ,Anesthesia ,business ,Umbilical region - Abstract
Background Rectus sheath block is a common peripheral nerve block for patients undergoing umbilical hernia repair surgery. However, rectus sheath block alone can affect only anterior branches of intercostal nerves and, therefore, is incomplete for postoperative analgesia for the anterior abdomen, which is innervated by both anterior and lateral branches. We describe a successful perioperative analgesia with ultrasound-guided para-umbilical block after pediatric umbilical hernia surgery. Case presentation A 4-year-old child underwent hernia repair surgery. Following induction of general anesthesia, the anatomy of the umbilical region was observed under ultrasound with a 5–10-MHz linear probe. An ultrasound-guided injection between the rectus abdominis muscle and the posterior lobe of the rectus sheath and an injection into the subcutaneous space around the umbilicus were performed. The peripheral nerve block was effective during surgery, and the patient required no additional rescue analgesia during the perioperative period. There were no complications. Conclusion We performed ultrasound-guided para-umbilical block with four injections. This peripheral nerve block could be an efficient technique for complete perioperative analgesia.
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- 2017
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9. A case of severe airway obstruction by mediastinal hematoma after Bentall operation
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Masayuki Akatsuka, Michiaki Yamakage, Kenichi Nakabayashi, Jyoji Fukada, Yukihiro Kumeta, Ikuto Otsuki, and Yoshiki Masuda
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medicine.medical_specialty ,business.industry ,Medicine ,Airway obstruction ,business ,medicine.disease ,Mediastinal hematoma ,Surgery - Published
- 2018
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