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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 4  |  Page : 940-945

Comparison of local wound infiltration with ropivacaine alone or ropivacaine plus dexmedetomidine for postoperative pain relief after lower segment cesarean section


1 Department of Anaesthesiology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
2 Department of Urology and Kidney Transplant, Dayanand Medical College and Hospital, Ludhiana, Punjab, India

Correspondence Address:
Shaman Bhardwaj
2231, 38 C, Chandigarh - 160 014
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.AER_14_17

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Context: Dexmedetomidine, α2-adrenergic agonist, when coadministered with local anesthetics, improves the speed of onset, duration of analgesia and decreases the dose of local anesthetic used. Aims: The aim of this study was to compare the efficacy of local subcutaneous wound infiltration of ropivacaine alone with ropivacaine plus dexmedetomidine for postoperative pain relief following lower segment cesarean section (LSCS). Subjects and Methods: The study was a prospective, randomized control, double-blind study. Sixty female patients belonging to physical status American Society of Anesthesiologists Grade I or II scheduled for LSCS under spinal anesthesia were randomly allocated into two groups of thirty patients each. Group A: local subcutaneous wound infiltration of 0.75% ropivacaine (3 mg/kg) diluted with normal saline to 40 ml. Group B: local subcutaneous wound infiltration of 0.75% ropivacaine (3 mg/kg) plus dexmedetomidine (1.5 μg/kg) of the body weight diluted with normal saline to 40 ml. Standard spinal anesthesia technique was used and LSCS was conducted. The allocated drug was administered by local subcutaneous wound infiltration before closure of the skin. In postoperative period, pain was assessed using visual analog scale (VAS) over a period of 24 h, time of giving first rescue analgesic consumption, mean analgesic consumption, patient satisfaction, and incidence of side effects in 24 h postoperative period was noted. Statistical Analysis Used: All observations were tabulated and statistically analyzed using Chi-square test and unpaired t-test. Results: A total number of patients requiring rescue analgesic, mean VAS each time rescue analgesic was given, and the mean analgesic required in 24 h postoperative period was lesser in Group B than in Group A. Conclusions: Dexmedetomidine added to ropivacaine for the surgical wound infiltration significantly reduces postoperative pain and rescue analgesic consumption in patients undergoing LSCS. No serious adverse effects were noted.


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