Comparative study of incremental doses of buprenorphine as an adjuvant to 0.5% bupivacaine in lower abdominal and lower limb surgeries done under subarachnoid block
European Journal of Molecular & Clinical Medicine,
2022, Volume 9, Issue 2, Pages 2147-2154
AbstractSpinal anesthesia can be performed with a wide range of local anesthetic drugs. using local anesthetics alone is associated with a relatively short duration of action.1 Postoperative pain control is a major problem with spinal anesthesia using local anesthetics alone, and thus early analgesic intervention is needed in the postoperative period. Bupivacaine is the local anesthetic most commonly used, although lidocaine, tetracaine, procaine, ropivacaine, levobupivacaine, and prilocaine may also be used. After institutional ethical committee approval, 90 patients aged between 18-60 years undergoing lower abdominal and lower limb surgeries were selected. A detailed history, complete physical examination, and investigations were done for all patients. Informed consent was taken. The study population was divided into 3 groups with 30 patients in each group. The study has demonstrated that increasing the dose of buprenorphine with 0.5% bupivacaine in spinal anesthesia significantly decreases the time of onset of sensory and motor block and prolongs the duration of sensory, motor blockade. The requirement of postoperative rescue analgesia is also decreased as the dose increased.
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