American journal of obstetrics and gynecology
-
Am. J. Obstet. Gynecol. · Nov 1998
Randomized Controlled Trial Comparative Study Clinical TrialThe effect of lumbar epidural anesthesia on maternal middle cerebral artery blood flow in normal pregnancy: a prospective, randomized, double-blind comparison study.
Lumbar epidural anesthesia is associated with a transient elevation in intracranial pressure in both animals and humans and decreased cerebral blood flow in animals. We sought to determine the effect of medium-onset and slow-onset local anesthetic lumbar epidural anesthesia on maternal cerebral blood flow in normal human pregnancy. ⋯ Maternal middle cerebral artery blood flow velocity, as measured by transcranial Doppler ultrasonography, is maintained in normotensive, nonlaboring term gravida women receiving either lidocaine or bupivacaine lumbar epidural anesthesia, which supports intact cerebrovascular autoregulation in normal pregnancy.
-
Am. J. Obstet. Gynecol. · Nov 1998
Case ReportsPreliminary experience with a prospective protocol for planned vaginal delivery of triplet gestations.
The objective of the study was to evaluate a protocol for vaginal delivery of triplet gestations. ⋯ In selected cases vaginal delivery of triplet gestations can be accomplished without increased maternal or neonatal morbidity and mortality and may significantly decrease maternal hospital stay and postoperative morbidity.
-
Our goal was to design an inexpensive amniocentesis trainer for instruction and practice with ultrasonography-assisted needle guidance and the freehand technique. ⋯ We were able to construct an inexpensive amniocentesis trainer that facilitates instruction in the freehand amniocentesis technique. This trainer enables an operator to master the skills necessary to perform the technique of freehand ultrasonography-guided amniocentesis under direct ultrasonographic visualization without putting a patient through the discomfort of participating in the learning curve.