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Differentiating the type and cause of shock is crucial for intensive care. The rapid aggravation of lactic acidosis in patients often indicates a severe impairment of oxygen uptake in tissues. Herein, we presented a rare case of refractory distributive shock with severe wet beriberi. A 40-year-old male was admitted to the emergency department (ED) with recurrent chest tightness and lower extremity edema. The condition of the patient continued to deteriorate after symptomatic treatments. After several turnovers, the medical history of the patient was requested again and finally obtained. Our emergency management team hypothesized that the thiamine-deficient diet caused an aerobic metabolism disorder in the patient. Overall, we aimed to alert clinicians to unusual causes of distributive shock and further discussed the application of thiamine supplementary therapy in critical care., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.)

Infant Shoshin beriberi is an acute life-threatening condition for which the diagnosis is frequently delayed. Therefore, rapid recognition of right heart failure with lactic acidemia is a crucial element in the diagnosis and therapeutic management. We present the case of a 2-month-old girl with bronchiolitis, right heart failure, and lactic acidosis, who quickly and favorably responded to thiamine supplementation. Thiamine deficiency was established through laboratory tests. We present a brief review of the literature with the different thiamine dosages proposed in emergencies and provide an emergency protocol in cases of clinical suspicion, since thiamine supplementation could help to speed up recovery in infants with Shoshin beriberi., Competing Interests: Declaration of Competing Interest The authors have no conflicts of interest to disclose., (Copyright © 2022 French Society of Pediatrics. Published by Elsevier Masson SAS. All rights reserved.)

Background: Thiamine deficiency is an uncommon cause of severe illness in the United States that can lead to significant morbidity because of high-output cardiac failure, peripheral neuropathy, and permanent neurologic impairment. We report the case of a middle-aged woman with extreme malnutrition caused by complications of Roux-en-Y gastric bypass (RYGB) surgery who presented with signs and symptoms of severe thiamine deficiency and septic shock., Case Report: A 43-year-old woman who had undergone RYGB surgery and who had multiple complications presented to the emergency department with agitation, confusion, and lethargy. The physical examination revealed an obtunded woman appearing much older than her reported age with significant peripheral edema. She was hypoxemic, hypotensive, and febrile. The initial laboratory analysis revealed a serum lactate level above the measurable limit, a normal thyroid-stimulating hormone, and elevated levels of troponin and brain natriuretic peptide. A transthoracic echocardiogram showed high-output heart failure. The patient's family later revealed that for the past year her diet had consisted almost exclusively of frozen blended lattes. High doses of thiamine and folate were started. Her shock, hyperlactatemia, and respiratory failure resolved by hospital day 3 and her encephalopathy resolved soon thereafter. Why Should an Emergency Physician be Aware of This?: Thiamine deficiency is a rare but reversible cause of shock, heart failure, and encephalopathy. Identifying patients who are at risk for severe nutritional deficiencies may aid in more rapid treatment with relatively benign medications with little downside, in this case high-dose vitamin B 1 , and ultimately improve patient-oriented outcomes such as mortality, morbidity, and hospital length of stay., (Copyright © 2021 Elsevier Ltd. All rights reserved.)

Thiamine (vitamin B1) deficiency is a common condition in alcohol abusers, which can lead to damage of both the peripheral and the central nervous systems. Here we describe the case of an alcoholic patient who presented with acute onset of ataxia, severe weakness of the four limbs, and hypoesthesia and dysesthesia of the distal portion of the upper and lower extremities. The clinical picture also included mental confusion and amnesia. A diagnosis of Wernicke-Korsakoff syndrome was made based on clinical symptoms and brain RMI findings. Electromyography and electroneurography revealed signs of subacute axonal sensory-motor polyneuropathy that were compatible with a rare acute presentation of beriberi. Patient immediately received parenteral thiamine administration, which resulted in rapid clinical amelioration of ataxia and confusion and also in a significant improvement of motor and sensory deficits. The association between Wernicke-Korsakoff syndrome and acute axonal polyneuropathy is a very rare condition that could make less recognizable the clinical picture of a thiamine deficiency. However, the diagnosis of thiamine deficiency should be suspected in every alcoholic patient presenting with acute onset symptoms of central and/or peripheral nervous system involvement. This because the immediate replacement treatment can be life-saving and reverse the clinical symptoms., (Copyright © 2017 Elsevier B.V. All rights reserved.)

Objective: To study the effect of thiamine administration on the resolution of pulmonary hypertension in exclusively breastfed infants., Design: Prospective cohort study., Setting: Hospital based study of a tertiary care hospital., Patients: A total of 29 infants with 17 males (58.6%) and 12 females (41.4%) were included in the study., Intervention: In addition to the management of shock, right heart failure and renal failure, patients received intravenous thiamine 100mg/kg IV followed by 10mg/day till introduction of supplementary feeds., Main Outcomes Measures: Resolution of shock, metabolic complications and pulmonary hypertension., Results: Mean age at presentation was 78.45±30.7 days. All infants were exclusively breastfed. 86.2% of mothers were on customary dietary restrictions. Biventricular failure and tachycardia was commonly present. There were four deaths in our series. Acute metabolic acidosis was a universal feature with a mean pH of 7.21±0.15. Pulmonary hypertension was present in all patients on admission. Intravenous thiamine 100mg/kg IV stat was given immediately after documenting pulmonary hypertension. Repeat echocardiography showed complete resolution of pulmonary hypertension., Conclusion: Many infants present to us with Shoshin beriberi with unusually high pulmonary pressures. These patients respond to thiamine challenge with prompt resolution of metabolic complications and reversal of pulmonary hypertension. We believe this is first of its kind from the region, which is reported., (Copyright © 2016. Published by Elsevier B.V.)

Background: Undifferentiated altered mental status and hemodynamic instability are common presenting complaints in the Emergency Department (ED). Emergency practitioners do not have the luxury of time to perform sequential examination, history, testing, diagnosis, and treatment. Rather, we do all of these things at once to save lives and decrease morbidity. An important diagnosis to consider and upon which we can easily intervene is that of thiamine deficiency., Objectives: We present a case of an altered and unstable woman who presented to our busy ED and had rapid improvement after the administration of vitamin B1. We discuss the presentation, pathophysiology, consequences of missed diagnosis, and management of this disease process., Case Report: A middle-aged woman presented to our ED with unstable vital signs and an alteration in her mental status. She was unable to provide a history. Empiric treatment with thiamine resulted in the resolution of her hemodynamic instability and improvement in her mental status., Conclusion: Our patient benefited from the swift administration of thiamine and illustrates the importance of thiamine administration in the altered or hemodynamically unstable emergency patient with an elevated lactate., (Copyright © 2013 Elsevier Inc. All rights reserved.)

Background: Cardiac acute beriberi (Shoshin syndrome) is a rare disease that may lead to a fatal outcome if not treated specifically., Objectives: We report a case of Shoshin syndrome with an unusual presentation of cardiogenic shock and an electrocardiographic pattern of severe myocardial ischemia suggesting left main coronary artery obstruction., Case Report: A 35-year-old man presented with chest discomfort, diffuse ST-segment depression in the 12-lead electrocardiogram (ECG) with ST-segment elevation in aVR, and rapidly evolving congestive heart failure leading to cardiogenic shock. Intensive support was required, including mechanical ventilation, high doses of inotropics and vasopressors, intra-aortic balloon counterpulsation, and continuous renal replacement therapy. An emergency coronary angiogram was performed that showed normal coronary arteries. Right heart catheterization showed a high-output state with elevated filling pressures suggesting high-output heart failure. The echocardiography confirmed normal left and right ventricular contraction. Thiamine deficiency was suspected as the cause of the high-output heart failure. After a single dose of intravenous thiamine (100 mg), the patient's hemodynamic status improved dramatically within minutes, allowing a rapid discontinuation of hemodynamic support. Subsequent ECGs showed complete resolution of ST-segment abnormalities. Serial lactate measurements, red blood cell transketolase activity, and the thiamine pyrophosphate response test were concordant with a thiamine deficiency state., Conclusion: Shoshin syndrome may present as cardiogenic shock with an ECG mimicking severe myocardial ischemia, and if suspected, can be rapidly and effectively treated., (Copyright © 2011 Elsevier Inc. All rights reserved.)

Introduction: Thiamine deficiency can be determined by various clinical signs; some of these symptoms may be acute, and require an urgent diagnosis. In countries such as ours with a high standard of living, this disorder is more commonly observed in cases of severe alcoholism, and cases of diet-associated thiamine deficiency are rare, and therefore not easily recognized. The metabolic disorders resulting from vitamin B1 deficiency are responsible for the well-known central or peripheral neurological symptoms, and also for the less common and often more acute cardiovascular reactions. Immediate thiamine/vitamin B1 supplementation is of major importance. The rapid reversal of symptoms following this treatment is often considered as a diagnostic index., Exegesis: In this study, an original case of diet-associated thiamine deficiency has been reported, with clinical symptoms including myocarditis and subacute peripheral nerve involvement in a young adult. The disorder was the result of a thiamine deficiency in the diet, which was exclusively based on milled rice., Conclusion: The present report is interesting both as regards its clinical aspects and its etiology, and it emphasizes the importance in the differential diagnosis of a given case of taking the possibility of diet-related thiamine deficiency into account, although this is an uncommon etiology in developed countries.

A case of acute fulminant cardiovascular beriberi, or "shoshin beriberi," is presented. Beriberi is classified as "dry" (neurologic) or "wet" (cardiovascular) and may be mixed. "Wet" beriberi refers to a spectrum of clinical manifestations ranging from a hyperdynamic state with high output cardiac failure to fulminant failure with collapsed peripheral circulation, lactic acidosis, and shock. Beriberi is probably much more common than previously recognized. Beriberi is caused by thiamine deficiency and should be suspected in alcoholics who present with unexplained lactic acidosis, a hyperdynamic state, high output cardiac failure, or cardiogenic shock without electrocardiographic (EKG) evidence of myocardial necrosis. Shoshin beriberi is rapidly fatal without immediate treatment with thiamine.

Some particular features of the cardiomyopathies (CM) observed in the tropics, especially in Africa, are emphasized in this study. Chronic parietal endocarditis is excluded from the CM group. The author presents facts that justify the linking of that affection to endocardial diseases. Myocardiopathies are acute ailments presenting with congestive lesions, reversible under etiological therapy. Anemic and beri-beri myocardiopathies are not unusual in the tropics and present a hyperkinetic syndrome before the stage of advanced cardiac insufficiency. Infectious or parasitic myocarditis seem frequent in the tropics. The author recalls the characteristics of the myocarditis in the human african trypanosomiasis which he opposes, particularly, to the american trypanosomiasis. The reality of bilharzial myocarditis is more debatable while bilharzial pulmonary hypertension is well documented. Chronic congestive CM presents a few specific characteristics in the tropics. The features, well described in temperate regions, are found in the tropics with a particularly unfortunate prognosis. Some alcoholic myocardiopathies have been observed. The rare occurrence of hypertrophic CM in the tropics results, seemingly, from a lack of exploratory means. The author studies briefly a recent series of 31 cases in Abidjan. Post-partum myocardiopathy seems to be the clinical appearance of a latent myocardial insufficiency of the normal post-partum in women presenting with associated risks factors (anemia, malnutrition, overwork, excessive sodium intake, etc.). An early diagnosis enables a cure only by resting, but it is sometimes necessary to associate a medical treatment. Death by embolism or the passing to chronicity are however possible. Drepanocytic CM is debatable and in many cases, seems hardly differentiated from anemic myocardiopathy.(ABSTRACT TRUNCATED AT 250 WORDS)

Adults who had been drinking alcohol were admitted to hospital with severe lacticacidosis and died within two days. Empirical treatment with thiamine proved to be a cure for the disorder, for it was acute pernicious or fulminating beriberi. Thiamine deficiency is neglected as a cause of lacticacidosis.