Journal of AdvancedMedical and Dental Sciences Research

Background:Vitreoretinal surgery is a specialized type of eye surgery that focuses on treating disorders related to the vitreous and retina, two critical eye components. The present study was conducted to compare peribulbar anesthesia performed with either 0.75% ropivacaine or a mixture of 0.5% bupivacaine and 2% lidocaine for vitreoretinal surgery. Materials & Methods:60 patients scheduled for vitreoretinal surgery of both genderswere divided into 2 groups of 30 each. In group, patients received peribulbar anesthesia with 8 mL of either 0.75% ropivacaine and in group II, a 1:1 mixture of 2% plain lidocaine and 0.5% plain bupivacaine. Parameters such as duration of surgery time (min), onset time of sensory and motor blocks, etc. were recorded. The degree of pain was recorded at 1 hour, 6 hours and 24 hours. Results: There were 16 males and 14 females in group I and 15 males and females in group II. ASA physical status (I/II) was 7:23 in group I and 11:19 in group II. The mean weight was 68.4 kgs in group I and 70.1 kgs in group II. The mean age was 54.2 years in group I and 56.8 years in group II patients. The difference was significant (P< 0.05). The mean duration of surgery time (min)was 80.1 and 89.4, the onset time of sensory blocks (min) was 5.4and 5.1 and the onset time of motor blocks (min) was 10.2 and 8.3 in group I and II respectively. The difference was significant (P< 0.05). At 1 hour no pain was seen in 12 and 8, mild pain in 8 and 11, moderate pain in 6 and 5 and severe pain in 4 and 6 patients. At 6 hours, no pain in 10 and 7, mild in 11 and 10, moderate in 7 and 8 and severe in 2 and 5 patients. At 24 hours, no pain was seen in 6and 2, mildpain in 13 and 10, moderate pain in 11 and 15 and severe pain in 0 and 3 patients in group I and II respectively. The difference was significant (P< 0.05). Conclusion: 0.75% ropivacaine alone was found to be better than lidocainewhen performingperibulbar anesthesia for vitreoretinal surgery.