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Volume 3 Supplement 1

ESICM LIVES 2015

Use of inhaled sevoflurane in adult survivors of cardiac arrest

Introduction

Use of inhalation anesthetic sevoflurane has some potential advantages over intravenous sedation in adult survivors of cardiac arrest. Wake-up times are shorter compared to intravenous sedation, neurologic assessment could potentially be performed sooner and there are reports of possible protection against ischaemic-reperfusion injury. There are no prospective studies or guidelines regarding use of sevoflurane in this setting.

Objectives

Our aim is to present a case series of adult survivors of cardiac arrest who were sedated with sevoflurane.

Methods

We performed a retrospective, single-centre study in a 12-bed tertiary medical intensive care unit.

Results

Our cohort comprised 12 patients who were admitted from November 2014 - April 2015. Mean age was 63.9 ± 14.9 years, 9 (75%) were men. Mean time from collapse to return of spontaneous circulation was 13 ± 5 min. Mean duration of sedation with sevoflurane was 2.5 ± 2.4days. Five (42%) patients survived and 3 (25%) survived with Cerebral Performance Category 1 and 2. We recorded no self-extubations, one episode of unexpected awakening, no new onset hyperkalemia and no QT prolongation. Sevoflurane was discontinued in 2 (17%) patients because of ventilation problems. Sevoflurane was used as the only during therapeutic hypothermia in all patients and as the only during mechanical ventilation sedative in 6 (50%) patients. Propofol was used during mechanical ventilation simultaneously in 4 (33%) patients and midazolam in 2 (17%) patients. Transient increase in liver function tests was observed in 4 (33%) patients. In all cases it was attributed to ischaemic hepatitis and liver function normalized within a week in all patients. Renal failure developed in 2 (17%) patients and was attributed to circulatory shock in both patients.

Conclusions

Sedation with sevoflurane in adult survivors of cardiac arrest was feasible and safe. Prospective trials are needed to evaluate the role of sedation with sevoflurane in this patient population.

Author information

Correspondence to A Markota.

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Keywords

  • Mechanical Ventilation
  • Cardiac Arrest
  • Midazolam
  • Sevoflurane
  • Performance Category