Publications by authors named "Michael L Haydon"
Objectives: The purpose of this study was to compare the outcomes of triplet pregnancies in women with asymptomatic cervical shortening with and without a cervical cerclage.
Methods: A retrospective review of all triplet pregnancies with biweekly serial cervical length surveillance was performed. Cervical shortening was defined as a cervical length of 2.
Objective: To describe the impact of previous cervical surgery on preterm birth prior to 34 weeks in twins.
Methods: A retrospective review of twin pregnancies delivered between January 1998 and December 2005 at two institutions was performed. Women with a prior cold knife cone (CKC), loop electrosurgical excision procedure (LEEP), or ablative procedure were compared to a control group of women who had not undergone a previous treatment for cervical dysplasia.
Objective: The purpose of this study was to compare obstetric outcomes and maternal satisfaction in nulliparous women in spontaneous labor who used patient-controlled epidural analgesia (PCEA) vs continuous epidural infusion (CEI).
Study Design: We conducted a double-masked trial of 270 nulliparous women who were assigned randomly to 3 groups (with a concentration 0.1% bupivacaine and 2 μg/mL fentanyl): group I, CEI-only (10 mL/h); group II, CEI + PCEA (CEI 10 mL/h plus PCEA 10 mL, at 20 minutes); group III, PCEA-only (10 mL, at 20 minutes).
Objective: Using fetal pulse oximetry, we sought to quantify the impact of maternal oxygen administration in the management of nonreassuring fetal heart rate patterns.
Study Design: In fetuses with specified abnormal nonreassuring fetal heart rate patterns, oxygen was administered to the mother, and fetal oxygenation was monitored with fetal pulse oximetry. After the fetal oxygen saturation on room air was recorded as a baseline, oxygen was administered to the mother for 30 minutes at 40% fraction of inspired oxygen and then 30 minutes at 100% of inspired oxygen.