Anesthesia for cesarean section requires special importance because it may affect both mother and the baby. To avoid maternal hypotension related to spinal anesthesia must be the primary objective during anesthesia. Even though many factors influence sensory nerve block for surgical anesthesia, local anesthetic dose is the main determinant. Another factor that influence the sensory nerve block is the obesity related to pregnancy. Due to the enlargement of epidural venous plexus related to pregnancy, the subarachnoid and epidural space reduces, so the local anesthetic requirement also reduces. Many investigators recommend lower dose of local anesthetic in obese patients due to reduced requirement There are many studies about dose regimens for cesarean anesthesia, but ideal dose have not been found. Investigators have designed this study to see the effects of conventional dose (10 mg bupivacaine) vs. low dose plus fentanyl (7,5 mg bupivacaine+25 mcg fentanyl) in obese and normal weight pregnant for cesarean section. The hypothesis was: the low dose regimen provides surgical anesthesia in obese patients while avoiding maternal hypotension.
Study Type
OBSERVATIONAL
Enrollment
100
To compare low dose spinal anesthesia with bupivacaine alone if it can maintain surgical anesthesia during cesarean section in obese and non-obese pregnants
To compare low dose spinal anesthesia with bupivacaine+ fentanyl alone if it can maintain surgical anesthesia during cesarean section in obese and non-obese pregnants
Cigdem Yildirim Guclu
Ankara, Turkey (Türkiye)
VAS score < 6 with only spinal anesthesia
Achieving surgical anesthesia with low dose spinal anesthesia in obese pregnants
Time frame: Approximately 30 min, during surgery
Maternal hypotension
Avoiding maternal hypotension
Time frame: Approximately 30 min, during surgery
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