• Middle East J Anaesthesiol · Feb 2015

    Review Meta Analysis Comparative Study

    THE IMPACT OF ENDOTRACHEAL TUBE VS. LARYNGEAL MASK AIRWAY ON THE INCIDENCE OF POSTOPERATIVE NAUSEA AND VOMITING: A SYSTEMIC REVIEW AND META-ANALYSIS.

    • Jahan Porhomayon, Sina Davari Farid, Ali A El-Solh, Ghazaleh Adlparvar, and Nader D Nader.
    • Middle East J Anaesthesiol. 2015 Feb 1;23(1):9-16.

    ObjectiveTo investigate the impact of Endotracheal tube (ETT) vs. Laryngeal Mask Airway (LMA) on postoperative nausea and vomiting (PONV) in patients undergoing surgery with general anesthesia.MethodsKey words searching from databases such as Medline, Embase, and Cochrane library provided 14 studies focusing on the use of EET vs. LMA for general anesthesia. Pooled estimate of relative risk with 95% confidence interval using random effect model was conducted.Results14 studies were selected for meta-analysis with a total of 1866 patients. 9 studies focused on the outcome of PONV in adult patients. It showed incidence of PONV with of LMA and ETT in adult of about 204/690 (30%) and 145/725 (20%) respectively with [Odds Ratio (OR) = 1.69, 95% CI, 0.76-3.75, P = 0.20]. Heterogeneity was high (I2 = 87%). Five studies focused on the outcome of PONV in pediatric patients with PONV in LMA and ETT group of 85/229 (37%) and 72/222 (32%) respectively with (OR = 1.30, 95% CI, 0.61-2.76, P = 0.50). Heterogeneity was moderate at (I2 = 53%). When all patients were combined heterogeneity was high at 81% with OR = 1.56, 95% CI, 0.87-2.79, P = 0.14.ConclusionRisk of PONV shows an increase trend toward the use of LMA. Larger randomized trials are needed to assess the impact of airway devices on PONV.

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