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Maternal and Neonatal Effect of Fentanyl as a Premedication before Induction of General Anesthesia in Cesarean Surgery: A Systematic Review and Meta-analysis of Randomized Clinical Trials

[ Vol. 15 , Issue. 4 ]

Author(s):

Mir Hadi Musavi, Behzad Jodeiri, Keyvan Mirnia, Morteza Ghojazadeh and Zeinab Nikniaz*   Pages 232 - 237 ( 6 )

Abstract:


Background: Although, some clinical trials investigated the maternal and neonatal effect of fentanyl as a premedication before induction of general anesthesia in cesarean section, to the best of our knowledge, there is no systematic review to summarize these results.

Objectives: The present systematic review and meta-analysis evaluated the maternal and neonatal effect of intravenous fentanyl as a premedication before induction of general anesthesia in cesarean section.

Methods: The databases of Pubmed, Embase, Scopus and Cochrane library were searched till July 2017 to identify randomized clinical trials which evaluated the effects of intravenous fentanyl as a premedication before induction of general anesthesia compared with placebo on neonate first and fifth minute Apgar score and maternal heart rate and mean arterial pressure (MAP) in cesarean section. Standard Mean difference (SMD) was calculated and I-square statistic test was used for heterogeneity analysis.

Results: The present systematic review and meta-analysis consisted of three clinical trials including 180 women in labor. Considering the results of meta-analysis, there is no significant differences between fentanyl and placebo in the case of Apgar score at 1 minute; however, the Apgar score of 5 minutes was significantly lower in fentanyl group compared with placebo (SMD -0.68, 95%CI: - 0.98, -0.38, p<0.001). In the term of maternal hemodynamics, the heart rate (SMD -0.43, 95%CI: - 0.72, -0.13, p=0.004) and MAP (SMD -0.78, 95% CI: -1.09, -0.48, p<0.001) in fentanyl group were significantly lower compared with placebo group.

Conclusion: The present meta-analysis showed that using intravenous fentanyl as a premedication before induction of general anesthesia had adverse effects on neonate Apgar score. However, it had positive effects on preventing adverse consequences of intubation on maternal hemodynamics.

Keywords:

Fentanyl, cesarean section, Apgar score, mean arterial pressure, heart rate, maternal hemodynamics.

Affiliation:

Research Center for Evidence Based Medicine (RCEBM), Tabriz University of Medical Sciences, Tabriz, Research Center for Evidence Based Medicine (RCEBM), Tabriz University of Medical Sciences, Tabriz, Children`s Medical Center, Tehran University of Medical Sciences, Tehran, Research Center for Evidence Based Medicine (RCEBM), Tabriz University of Medical Sciences, Tabriz, Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz

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