Gender-Specific Differences in Low-Dose Haloperidol Response for Prevention of Postoperative Nausea and Vomiting: A Register-Based Cohort StudyReportar como inadecuado




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Background

Postoperative nausea and vomiting PONV is one of the most common and distressing complications after general anesthesia and surgery, with young non-smoking females receiving postoperative opioids being high-risk patients. This register-based study aims to evaluate the effect of low-dose haloperidol 0.5 mg intravenously directly after induction of general anesthesia to reduce the incidence of PONV in the postoperative anesthesiological care unit PACU.

Methods

Multivariable regression models were used to investigate the association between low-dose haloperidol and the occurrence of PONV using a patient registry containing 2,617 surgical procedures carried out at an university hospital.

Results

Haloperidol 0.5 mg is associated with a reduced risk of PONV in the total collective adjusted odds ratio = 0.75, 95% confidence interval: 0.56, 0.99, p = 0.05. The results indicate that there is a reduced risk in male patients adjusted odds ratio = 0.45, 95% confidence interval: 0.28, 0.73, p = 0.001 if a dose of 0.5 mg haloperidol was administered while there seems to be no effect in females adjusted odds ratio = 1.02, 95% confidence interval: 0.71, 1.46, p = 0.93. Currently known risk factors for PONV such as female gender, duration of anesthesia and the use of opioids were confirmed in our analysis.

Conclusion

This study suggests that low-dose haloperidol has an antiemetic effect in male patients but has no effect in female patients. A confirmation of the gender-specific effects we have observed in this register-based cohort study might have major implications on clinical daily routine.



Autor: Florian Brettner , Silke Janitza , Kathrin Prüll, Ernst Weninger, Ulrich Mansmann, Helmut Küchenhoff, Alexander Jovanovic, Bern

Fuente: http://plos.srce.hr/



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