• Saul Flores, Michael R FitzGerald, Ilias Iliopoulos, Joshua A Daily, Marco Rodriguez, David P Nelson, Hector R Wong, Kusum Menon, and David S Cooper.
• 1Section of Critical Care Medicine, Texas Children's Hospital, Baylor College of Medicine, Houston, TX. 2Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH. 3Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH. 4The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH. 5Division of Cardiology, Arkansas Children's Hospital, University of Arkansas for Medical Sciences, Little Rock, AR. 6Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH. 7Division of Pediatric Critical Care, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, ON, Canada.
• Pediatr Crit Care Me. 2017 Jul 1; 18 (7): 630-637.

ObjectiveLimited evidence exists on use of corticosteroids in low cardiac output syndrome following cardiac surgery. We sought to determine physicians' practices and beliefs with regard to corticosteroids therapy for low cardiac output syndrome.DesignMultinational internet-based survey.SettingPediatric Cardiac Intensive Care Society member database.SubjectsPediatric cardiac intensive care physicians.InterventionsNone.Measurements And Main ResultsWe received 188 responses from 85 centers throughout the world including 57 U.S. congenital heart centers, eight Canadian centers, and 20 international centers. The majority of respondents (51%) reported performing at least 200 bypass cases per year and had separate dedicated cardiac ICUs (57%). Most physicians (89%) rarely or never prescribe corticosteroids for mild low cardiac output syndrome (single vasoactive agent and mildly decreased perfusion), whereas 94% of those surveyed sometimes or always administer corticosteroids to patients with severe low cardiac output syndrome (two or more vasoactive agents and persistent hypotension). Hydrocortisone was the most commonly used corticosteroids (88%), but there was no consensus on dosage used. There was a variable approach to cortisol level measurement and cortisol stimulation testing to inform therapy with corticosteroids. A majority of respondents (75%) stated that they would be willing to randomize patients with severe low cardiac output syndrome into a trial of corticosteroids efficacy.ConclusionsOur survey demonstrates considerable practice variability with regard to the type of patients in whom corticosteroids are administered, adrenal axis testing is performed, and dosage of hydrocortisone used. The majority of physicians, however, stated their willingness to randomize patients with severe low cardiac output syndrome in a corticosteroids trial. This survey identified multiple areas for future research on use of corticosteroids for low cardiac output syndrome.

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