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Year : 1999  |  Volume : 47  |  Issue : 4  |  Page : 223-227

pH-adjusted periocular anaesthesia for primary vitreoretinal surgery

Vision Research Foundation, Chennai, India

Correspondence Address:
T Sharma
Vision Research Foundation, Chennai
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Source of Support: None, Conflict of Interest: None

PMID: 10892477

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Purpose: To evaluate the efficacy of pH-adjusted bupivacaine in conjunction with medial orbital periconal block (periocular anaesthesia). Methods: Sixty consecutive patients undergoing primary vitreoretinal surgery were enrolled prospectively. Results: Adequate anaesthesia and akinesia with no intraoperative supplementation was achieved in 53 eyes (88.3%). Factors influencing intraoperative supplementation were combined vitrectomy with scleral buckling (p=0.005) and duration of surgery of more than 2 hours (p=0.001). No ocular or systemic complication resulted. Conclusion: pH-adjusted periocular anaesthesia is safe and effective in patients undergoing primary vitreoretinal surgery.

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