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Review
. 2016 May;17(2):136-145.
doi: 10.1177/1751143715620203. Epub 2015 Dec 17.

Comparative safety and efficacy of vasopressors for mortality in septic shock: A network meta-analysis

Myura Nagendran  1 , Mahiben Maruthappu  2 , Anthony C Gordon  3 , Kurinchi S Gurusamy  4
Affiliations
Review

Comparative safety and efficacy of vasopressors for mortality in septic shock: A network meta-analysis

Myura Nagendran et al. J Intensive Care Soc. 2016 May.

Abstract

Introduction: Septic shock is a life-threatening condition requiring vasopressor agents to support the circulatory system. Several agents exist with choice typically guided by the specific clinical scenario. We used a network meta-analysis approach to rate the comparative efficacy and safety of vasopressors for mortality and arrhythmia incidence in septic shock patients.

Methods: We performed a comprehensive electronic database search including Medline, Embase, Science Citation Index Expanded and the Cochrane database. Randomised trials investigating vasopressor agents in septic shock patients and specifically assessing 28-day mortality or arrhythmia incidence were included. A Bayesian network meta-analysis was performed using Markov chain Monte Carlo methods.

Results: Thirteen trials of low to moderate risk of bias in which 3146 patients were randomised were included. There was no pairwise evidence to suggest one agent was superior over another for mortality. In the network meta-analysis, vasopressin was significantly superior to dopamine (OR 0.68 (95% CI 0.5 to 0.94)) for mortality. For arrhythmia incidence, standard pairwise meta-analyses confirmed that dopamine led to a higher incidence of arrhythmias than norepinephrine (OR 2.69 (95% CI 2.08 to 3.47)). In the network meta-analysis, there was no evidence of superiority of one agent over another.

Conclusions: In this network meta-analysis, vasopressin was superior to dopamine for 28-day mortality in septic shock. Existing pairwise information supports the use of norepinephrine over dopamine. Our findings suggest that dopamine should be avoided in patients with septic shock and that other vasopressor agents should continue to be based on existing guidelines and clinical judgement of the specific presentation of the patient.

Keywords: Anaesthesia and intensive care; resuscitation; septic shock; vasoactive drugs.

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Figure 1.
Flow of records through the study selection process.
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