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Trauma rates with operative vaginal delivery unexpectedly high, study finds


 

FROM THE CANADIAN MEDICAL ASSOCIATION JOURNAL

Consider morbidity following OVD against potential alternatives, authors say

According to Dr. Muraca, the rates of maternal trauma in her study – along with accumulating evidence of the severe long-term consequences of these injuries – demonstrates the importance of reporting timely, empirically derived risk measures that accurately reflect those that pregnant individuals may encounter in typical obstetric practice.

“Although there is merit in understanding the estimates of risk that can be achieved when conditions are optimal, the interpretation of these estimates can be misleading, especially given secular shifts in patterns of practice,” she said. “The failure to do so compromises women’s autonomy in making evidence-informed decisions regarding childbirth interventions, such as evaluating the short- and long-term risks of OVD and cesarean delivery.

Her group recommended that morbidity following OVD be weighed against potential alternatives to such procedures, which carry their own risks. “This includes an extended second stage of labor and a spontaneous vaginal delivery, or a second-stage cesarean delivery, both of which are associated with significant morbidity,” Dr. Muraca said. “However, a comprehensive consideration of high population rates of OVD morbidity also prompts questions about choice of instrument, obstetrician training in OVD use, and for recognizing cases that would benefit from a cesarean delivery earlier in labor.”

Alan Peaceman, MD, professor of obstetrics and gynecology at Northwestern University, Chicago, said he was not surprised by the rates of sphincter injury, but that the rate of severe neonatal injury rate was higher than he expected. However, he added, “I don’t think clinicians should change their approach based on a single study. They should continue with the approach that they are most skilled at and is appropriate for the clinical circumstances.”

The study was funded by a grant from the Canadian Institutes of Health Research. Dr. Muraca and Dr. Peaceman have disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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