Paper Information

Journal:   JOURNAL OF OPHTHALMIC AND VISION RESEARCH   JULY 2011 , Volume 6 , Number 3; Page(s) 177 To 182.
 
Paper: 

ADJUNCTIVE LOCAL APPLICATION OF LIDOCAINE DURING SCLERAL BUCKLING UNDER GENERAL ANESTHESIA

 
Author(s):  DEHGHANI ALIREZA, MONTAZERI KAMRAN, MASJEDI AMIN*, KARBASI NAJMEH, ASHRAFI LEILA, SAEIDIAN BEHROUZ
 
* ISFAHAN UNIVERSITY OF MEDICAL SCIENCES, FEIZ HOSPITAL, GHODS SQ., ISFAHAN 81496, IRAN
 
Abstract: 

Purpose: To evaluate the effect of local lidocaine application on the incidence of the oculocardiac reflex (OCR) during scleral buckling (SB) for rhegmatogenous retinal detachment (RRD) under general anesthesia.
Methods: In a randomized clinical trial, eyes with RRD scheduled for SB under general anesthesia were randomized to adjunctive local application of 1 ml lidocaine 2% versus normal saline to the muscles after conjunctival opening. Surgical stimulation was initiated 5 minutes afterwards. Additionally, 100 mg of lidocaine 2% was added to 50 ml of normal saline in the treatment group which was used for irrigation during surgery; control eyes were irrigated with normal saline. The incidence of the OCR, rate of postoperative nausea/vomiting (PONV), total intravenous (IV) analgesic dose, duration of surgery, and period of hospitalization were compared between the study groups.
Results: Thirty eyes of 30 patients including 22 (73.3%) male and 8 (26.7%) subjects with mean age of 49.4±16.3 years were operated. OCR and PONV occurred less frequently, and total intravenous analgesic dose was significantly lower in the lidocaine group (P<0.05 for all comparisons). However, no significant difference was noted between the study groups in terms of duration of surgery and period of hospitalization.
Conclusion: Adjunctive local application of lidocaine during SB under GA for RRD decreases the rate of OCR and PONV, reduces the intravenous analgesic dose, but does not affect the duration of surgery or hospitalization.

 
Keyword(s): RETINAL DETACHMENT, SCLERAL BUCKLING, LIDOCAINE, OCULOCARDIAC REFLEX
 
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