Labor Pain Clinical Trial
Official title:
Which Position is Best: A Randomized Clinical Trial on the Effect That Position Has on Walking Labour Epidural Analgesia
This study is being done to better understand how patient positioning can affect pain relief after an epidural. In addition to pain, the investigators will assess how position affects epidural spread, and its effects on maternal blood pressure and fetal heart rate.
Epidurals will be placed with parturients in the standard sitting position. An epidural catheter will be placed to a depth of 5 cm into the epidural space. After placement, parturients will be randomized to one of the four position groups (left uterine displacement, left lateral, right lateral, or seated upright). After successful positioning, a series of 5 cc bolus doses of 0.08% ropivacaine with 2 mcg per cc of fentanyl will be injected through the epidural catheter in 5 minute intervals for a total volume of 20 cc. After the initial loading dose of epidural solution has been injected in the first 20 minutes post-insertion, the patient will be able to return to whatever position they are most comfortable with. The parturient will be asked to rate their pain on a verbal pain scale of between 0 and 10 at the peak of their contraction at three time intervals. The spread of the blockade will be assessed with ice applied along both the left and right mid-clavicular lines. Maternal blood pressure will be measured on the upper arm in all patients as per nursing protocol. Fetal heart rate will be monitored intermittently with Doppler ultrasound as per nursing protocol. ;
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