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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 3  |  Page : 692-696

A comparative study for the analgesic efficacy and safety profile of fentanyl versus clonidine as an adjuvant to epidural ropivacaine 0.75% in lower abdominal surgeries


1 Department of Anesthesiology and Critical Care, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Anesthesiology and Critical Care, Vivekananda Polyclinic and Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Correspondence Address:
Amit Tyagi
G-A, Saubhagya Apartments, Sec-A Mahanagar, Lucknow - 226 006, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.AER_254_16

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Context: Different adjuvants are coadministered with local anesthetics to improve the speed of onset and duration of analgesia, and to reduce the dose, the selection of which is often left to the choice of an anesthesiologist. Aim: The aim of this study was to compare the analgesic efficacy and safety profile of fentanyl and clonidine as an adjuvant to epidural ropivacaine anesthesia. Setting and Design: With institutional ethical committee clearance, a prospective, randomized, placebo-controlled double-blind clinical study was conducted at Vivekananda Polyclinic and Institute of Medical Sciences, Lucknow. Material and Methods: Two groups with thirty patients each were randomly allocated to receive 15–20 ml of 0.75% ropivacaine with 75 μg clonidine or 15–20 ml of 0.75% ropivacaine with 75 μg fentanyl, respectively. Block characteristics such as onset of analgesia, maximum level of sensory blockade, complete motor blockade, hemodynamic, time to two-segment regressions, time for rescue analgesia, time to complete motor recovery, and side effects were analyzed. Results: Results showed that the onset of blockade is faster when fentanyl is used as additives. Time for two-segment regression was earlier in fentanyl group but time for rescue analgesia was longer in clonidine group. Statistical Analysis: Two groups were compared by Student's t-test and Chi-square test; ANOVA and significance of mean difference bet were done by Newman–Keuls test. Conclusion: Addition of clonidine to epidural ropivacaine provides superior analgesia than the addition of fentanyl to epidural ropivacaine without much difference in side effect profile.


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