HALIFAX, Nova Scotia—A Canadian study has taken a step toward improving anesthetic care in laboring women by identifying predictors of failed spinal anesthesia in cesarean delivery.
The study found several such predictors, with the most important being a history of cesarean delivery, tubal ligation, lower body mass index and duration of surgery.
“Although many risk factors for failed spinal anesthesia have been studied and suggested in the literature, their relative importance is