Analgesic use after vaginal delivery in women with perineal lacerations: a retrospective cohort study.

Objective: To evaluate opioid consumption among parturients with varying degrees of perineal lacerations.Methods: This was a retrospective analysis of women who delivered vaginally at our institution from 1 January 2014 to 12 April 2015. We collected information regarding the degree of perineal lacerations (no lacerations, first-/second-degree, third-/fourth-degree), analgesic consumption, and postpartum pain scores. The primary outcome was opioid use from 0-48 h postpartum. Univariate and multivariable regression analyses were performed to test for the association of laceration severity with opioid use.Results: We included 5598 women in the analysis; 1948 had no lacerations, 3434 had first-/second-degree lacerations, and 216 had third-/fourth-degree lacerations. In univariate analysis, parturients with third-/fourth-degree lacerations had significantly higher use of opioids within 48 h postpartum (53.2%) compared to women with no lacerations (30.03%) or first-/second-degree lacerations (28.6%) (p < .001). In the multivariable analysis, women with third-/fourth-degree lacerations had higher odds of opioid use than those without laceration [OR (95% CI) = 2.61 (1.75-3.85), p < .001]. In pairwise comparisons, those with third-/fourth-degree lacerations had higher odds of opioid use than those without lacerations [OR (95% CI) = 3.55 (2.20-5.74)], and those with first-/second-degree lacerations [OR (95% CI) = 2.15 (1.49-3.10)] (p < .001). Oxycodone equivalent consumption was significantly different among groups with a median (IQR) of 5.00 mg (0.00-27.50), 0.00 mg (0.00-5.00) and 0.00 mg (0.00-5.00) in women with third-/fourth-degree, first-/second-degree, and no lacerations, respectively, during the 0-48 h postpartum (p < .001).Conclusion: The use of opioids and opioid doses are higher in women with third-/fourth-degree perineal lacerations compared to those with first-/second-degree or no lacerations. [ABSTRACT FROM AUTHOR]

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