Anaesthetic induction with etomidate in cardiac surgery: A randomised controlled trial.

Basciani, Reto Marco; Rindlisbacher, Antje; Begert, Esther; Brander, Luc; Jakob, Stephan; Etter, Reto; Carrel, Thierry; Eberle, Balthasar (2016). Anaesthetic induction with etomidate in cardiac surgery: A randomised controlled trial. European journal of anaesthesiology, 33(6), pp. 417-424. Lippincott Williams & Wilkins 10.1097/EJA.0000000000000434

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BACKGROUND Etomidate is perceived as preserving haemodynamic stability during induction of anaesthesia. It is also associated with adrenocortical dysfunction. The risk/benefit relationship is controversial. OBJECTIVES We tested the hypotheses that single-dose etomidate increases cumulative vasopressor requirement, time to extubation and length of stay in the ICU. DESIGN Double-blind randomised controlled trial. SETTING Bern University Hospital, Switzerland, from November 2006 to December 2009. PATIENTS There were 90 patients undergoing coronary artery bypass grafts (CABG) and 40 patients undergoing mitral valve surgery (MVS). Reasons for noninclusion were known adrenocortical insufficiency, use of etomidate or propofol within 1 week preoperatively, use of glucocorticoids within 6 months preoperatively, severe renal or liver dysfunction, or carotid stenosis. INTERVENTIONS CABG patients were allocated randomly to receive either etomidate 0.15 mg kg with placebo, propofol 1.5 mg kg with placebo or etomidate 0.15 mg kg with hydrocortisone (n = 30 in each arm). Risk stratification (low vs. high) was achieved by block randomisation. MVS patients received either etomidate 0.15 mg kg or propofol 1.5 mg kg (n = 20 in each arm). MAIN OUTCOME MEASURES Cumulative vasopressor requirements, incidence of adrenocortical insufficiency, length of time to extubation and length of stay in ICU. RESULTS Cumulative vasopressor requirements 24 h after induction did not differ between treatments in patients who underwent CABG, whereas more noradrenaline was used in MVS patients following propofol induction (absolute mean difference 5.86 μg kg over 24 h P = 0.047). The incidence of relative adrenocortical insufficiency was higher after etomidate alone than propofol (CABG 83 vs. 37%, P < 0.001; MVS: 95 vs. 35%, P < 0.001). The time to extubation, length of stay in ICU and 30-day mortality did not differ among treatments. Within low and high-risk subgroups, no differences in vasopressor use or outcomes were found. CONCLUSION In elective cardiac surgery, laboratory indicators of etomidate-induced adrenal insufficiency do not translate into increased vasopressor requirement or inferior early outcomes. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT 00415701.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > Clinic of Intensive Care
04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > Clinic and Policlinic for Anaesthesiology and Pain Therapy

UniBE Contributor:

Basciani, Reto Marco; Jakob, Stephan; Etter, Reto and Eberle, Balthasar

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0265-0215

Publisher:

Lippincott Williams & Wilkins

Language:

English

Submitter:

Jeannie Wurz

Date Deposited:

21 Mar 2016 11:00

Last Modified:

23 Jan 2018 12:14

Publisher DOI:

10.1097/EJA.0000000000000434

PubMed ID:

26914224

BORIS DOI:

10.7892/boris.78983

URI:

https://boris.unibe.ch/id/eprint/78983

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