Spinal Anesthesia Clinical Trial
Official title:
Comparing Low-dose Bupivacaine With Epidural Volume Extension to Standard Bupivacaine Dosing for Short Obstetric Procedures: A Prospective, Randomized Study
In this study the investigator will address the efficacy of using low dose bupivacaine spinal anesthesia (SA) in combination with epidural volume extension (EVE) for patients undergoing short obstetric procedures.
Due to risks to both the mother and fetus, neuraxial anesthesia - spinal, epidural, or combined spinal-epidural (CSE) - is preferred over general anesthesia for all obstetrical procedures. However, one downside to neuraxial anesthesia is the increased time patients have to stay in the post-anesthesia care unit (PACU) due to residual numbness from the neuraxial block. In this study, the investigators will address the efficacy of using low dose bupivacaine spinal anesthesia (SA) in combination with epidural volume extension (EVE) for patients undergoing short obstetric procedures. This will be accomplished by performing a CSE with: 1) injecting the local anesthesia in the spinal space; 2) injecting sterile saline into the epidural space to help increase the spread of the local anesthesia in the spinal space. The idea is that physicians will be able to use less local anesthetic due to getting a greater spread of medication. This lower amount of local anesthetic will lead to a decreased duration of the spinal block; therefore, it will significantly decrease PACU length of stay. This technique will be compared to our traditional dose of spinal anesthetic without EVE in the CSE. Both groups will have an epidural catheter in place to allow us to give any additional local anesthetic to keep the patient comfortable throughout the procedure if the spinal anesthesia begins to wear off. The aim of this study is to determine if low dose spinal bupivacaine in conjunction with EVE can decrease the PACU recovery time for short obstetric procedures while still providing an adequate surgical block. ;
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