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Journal of Obstrectic Anaesthesia and Critical Care
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Year : 2014  |  Volume : 4  |  Issue : 1  |  Page : 29-34

A comparative study of extradural anesthesia using 0.75% ropivacaine, 0.75% ropivacaine with fentanyl, and 0.75% ropivacaine with buprenorphine for cesarean section from a rural teaching hospital in India

1 Department of Cardiac Anaesthesiology, Lisie Hospital, Kochi, Kerala, India
2 Department of Anaesthesiology, Malankara Orthodox Syrian Church Medical College, Kolenchery, Kerala, India

Correspondence Address:
Shaloo Ipe
Department of Anaesthesiology, Malankara Orthodox Syrian Church Medical College, Kolenchery, Kerala - 682 311
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2249-4472.132820

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Context: The study was to compare the analgesic efficacy of three different epidural solutions - ropivacaine, ropivacaine fentanyl mixture, and ropivacaine buprenorphine mixture - for cesarean section. Materials and Methods: This was a prospective, randomized, controlled, double blind study carried out in primi parturients undergoing elective cesarean section with singleton fetus. A total of 102 parturients in the age group of 20-35 years, American Society of Anesthesiologists (ASA) I or II scheduled for elective cesarean under continuous epidural anesthesia were divided into three groups using a computer-generated random number list. The test dose (3 ml 2% lignocaine with 15 μg adrenaline) and 0.75% ropivacaine 12 ml were given to all parturients. In addition, normal saline 1 ml, fentanyl 50 μg, and buprenorphine 300 μg were given to Group I, II, and III respectively. Sensory block, motor block, analgesia, maternal effects, fetal outcome, and surgeons' and parturients' satisfaction were evaluated. Results: Onset of sensory block was faster in the fentanyl and buprenorphine groups compared to ropivacaine group (9.94 ± 0.48, 10.72 ± 0.26 versus 14.59 ± 0.34). Duration of sensory block was prolonged in buprenorphine group as compared to fentanyl and ropivacaine groups (120.41 ± 4.31) versus (95.68 ± 3.28, 98.28 ± 3.42). Duration of analgesia was prolonged in buprenorphine group compared to fentanyl and ropivacaine groups (516.38 ± 29.14 versus 327.06 ± 12.41, 285.78 ± 10.10). It proved to be safe for mother and fetus. The surgeon and the parturients were satisfied with the mode of anesthesia. Conclusion: Ropivacaine 0.75%, ropivacaine 0.75% with fentanyl 50 mg, or buprenorphine 300 mg provided safe anesthesia when given extradurally for cesarean section. Addition of both fentanyl and buprenorphine to ropivacaine hastened the onset of sensory block, while addition of buprenorphine provided prolonged excellent postoperative analgesia.

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