Comparative evaluation of subarachnoid block with low dose bupivacaine and fentanyl versus low dose bupivacaine and sufentanil in patients undergoing inguinal surgeries

Authors

  • Chelikani Sandeep Department of Anaesthesia, Konaseema Institute of Medical Sciences and Research Foundation, Amalapuram, AP, India
  • D. Malleswara Rao C. H. Department of Anaesthesia, Konaseema Institute of Medical Sciences and Research Foundation, Amalapuram, AP, India
  • Teja Kundurthi Department of Anaesthesia, Konaseema Institute of Medical Sciences and Research Foundation, Amalapuram, AP, India
  • A. S. Kameswara Rao Department of Anaesthesia, Konaseema Institute of Medical Sciences and Research Foundation, Amalapuram, AP, India

DOI:

https://doi.org/10.18203/2349-3259.ijct20193214

Keywords:

Low dose spinal anaesthesia, Fentanyl, Sufentanil

Abstract

Background: Fentanyl is a phenylpiperidine derivative synthetic opioid agonist. As an analgesic fentanyl is 75-125 times more potent than morphine. Sufentanil is a semisynthetic thienyl analogue fentanyl with analgesic potency 5 to 10 times more than that of fentanyl. Recently there has been an interest in using analgesics and local anaesthetics in an attempt to decrease the local anaesthetic dose enabling faster recovery.

Methods: A double blinded randomised study was carried out with 50 patients of ASA grade I and II aged between 20 and 60 years undergoing elective inguinal and below inguinal region surgeries under low dose spinal anaesthesia. Patients received 10 mg of 0.5% hyperbaric bupivacaine with 50 μg of fentanyl added to a total volume of 3 ml  (group F), and with sufentanil 5 μg [diluted with 5% dextrose] and volume made to 3 ml (group S). Postoperative VAS score for pain, duration of motor block and complications postoperatively is noted.

Results: Prolonged postoperative analgesia was observed in group F (216.7 min) and group S (264.8) which was statistically significant among the groups (p<0.001) is higher in group S and also duration of motor block in group F (130.6) and group S (90.5) which was statistically significant among the groups (p<0.001) which is higher in group F than group S.

Conclusions: When compared to intrathecal bupivacaine-fentanyl combination; intrathecal bupivacaine-sufentanil combination provided prolonged postoperative analgesia with a lesser duration of motor blockade thus allowing early post operative ambulation.

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Published

2019-07-24

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Original Research Articles