期刊
BMC PREGNANCY AND CHILDBIRTH
卷 20, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12884-020-02925-9
关键词
Vaginal examination; Febrile morbidity; Intrapartum fever; Postpartum fever; Vaginal delivery
Background The association between the number of vaginal examinations (VEs) performed during labor and the risk of infection is unclear. The literature regarding this issue is not consensual, and the available studies are relatively small. Therefore, we aimed to study the association between the number of VEs during labor, and maternal febrile morbidity, in a very large cohort. Methods This is a retrospective cohort study. All women who delivered vaginally >= 37 weeks, at our institute, between 2008 and 2017 were included. Patients who underwent cesarean delivery or who were treated with prophylactic antibiotics, or had a fever >= 38.0 degrees C prior to the first VE were excluded. Cases of intrauterine fetal death, known malformations, or missing data were excluded as well. The cohort was divided according to the number of VEs performed: up to 4 VEs (n = 9716), 5-6 VEs (n = 4624), 7-8 VEs (n = 2999), and 9 or more VEs (n = 4844). The rates of intrapartum febrile morbidity (intrapartum fever and chorioamnionitis), postpartum febrile morbidity (postpartum fever and endometritis), and peripartum febrile morbidity (any of the mentioned complications) were compared. Results Overall, 22,183 women were included in the study. On multivariate analysis, we found that performing 5 VEs or more during labor was independently associated with intrapartum febrile morbidity (5-6 VEs: aOR = 1.83, 95% CI (1.29-2.61), 7-8 VEs: aOR = 2.65 95% CI (1.87-3.76), 9 or more VEs aOR = 3.47 95% CI (2.44-4.92)), postpartum febrile morbidity (5-6 VEs: aOR = 1.29, 95% CI (1.09-1.86), 7-8 VEs: aOR = 1.94 95% CI (1.33-2.83), 9 or more VEs aOR = 1.91 95% CI (1.28-2.82)), and peripartum morbidity (5-6 VEs: aOR = 1.48, 95% CI (1.15-1.91), 7-8 VEs: aOR = 2.15 95% CI (1.66-2.78), 9 or more VEs: aOR = 2.57 95% CI (1.97-3.34)). Conclusion The number of VEs performed during labor is directly correlated with febrile morbidity. Performing five or more VEs during labor is independently associated with febrile morbidity; For intrapartum and peripartum febrile morbidity the risk rises as more VEs are performed.
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