OUP accepted manuscript

Comparing the Incidence of Propranolol and Esmolol-Related Cardiac Arrest in Patients With Thyroid Storm: A Systematic Literature Review

A precarious complication of thyrotoxicosis, or thyroid storm, is the increased risk of cardiomyopathy, which leads to circulatory collapse and cardiopulmonary arrest. It is crucial to promptly identify this condition to prevent significant deterioration of the left ventricular function and cardiogenic shock. This article seeks to examine published research that emphasizes the connection between thyroid storm and beta-blocker usage in relation to cardiogenic collapse and provides management recommendations. The search was performed on September 9, 2022, using PubMed, Science Direct, and Google Scholar libraries. A systematic exploration was carried out using the keywords Thyroid Storm AND cardiogenic Shock AND cardiac arrest AND beta blocker. The use of beta blockers as part of thyroid storm management was linked to the development of cardiogenic collapse and cardiac arrest. Ultra-short-acting beta-blockers like esmolol were a safer option than propranolol in treating patients with a thyrotoxic storm.

Thyroid Storm-Induced Refractory Multiorgan Failure Managed by Veno-Arterial Extracorporeal Membrane Oxygenation Support: A Case-Series

BACKGROUND Severe hyperthyroidism, including thyroid storm, can be precipitated by acute events, such as surgery, trauma, infection, medications, parturition, and noncompliance or stoppage of antithyroid drugs. Thyroid storm is one of the serious endocrinal emergencies that prompts early diagnosis and treatment. Early occurrence of multiorgan failure is an ominous sign that requires aggressive treatment, including the initiation of extracorporeal membrane oxygenation (ECMO) support as a bridge to stability and definitive surgical treatment. Most adverse events occur after failure of medical therapy. CASE REPORT We described 4 cases of fulminating thyroid storm that were complicated with multiple organ failure and cardiac arrest. The patients, 3 female and 1 male, were between 39 and 46 years old. All patients underwent ECMO support, with planned thyroidectomy. Three survived to discharge and 1 died after prolonged cardiac arrest and sepsis. All patients underwent peripheral, percutaneous, intensivist-led cannulation for VA-ECMO with no complications. CONCLUSIONS Early recognition of thyroid storm, identification of the cause, and proper treatment and support in the intensive care unit is essential. Patients with thyroid storm and cardiovascular collapse, who failed to improve with conventional supportive measures, had the worst prognosis, and ECMO support should be considered as a bridge until the effective therapy takes effect. Our case series showed that, in patients with life-threatening thyroid storm, VA-ECMO can be used as bridge to stabilization, definitive surgical intervention, and postoperative endocrine management. Interprofessional team management is essential, and early implantation of VA-ECMO is likely beneficial in patients with thyroid storm after failure of conventional management.