Abstract
The low cardiovascular and neurological toxicity of ropivacaine has led to its application as a local anaesthetic in a wide variety of specialist application including peribulbar block for cataract surgery. The aim of the study was to evaluate the efficacy of ropivacaine 0.75% with hyaluronidase 50 IU/ml and to compare the block quality with bupivacaine 0.5% with hyaluronidase 50 IU/ML. Method: We examined 60 patients subjected to small incision cataract surgery who were randomly divided into two groups according to the anaesthetic used, namely ropivacaine 0.75% or bupivacaine 0.5% with addition of hyaluronidase. Evaluation included assessment of sensory onset, motor onset using akinesia score, time of sensory and motor offset, changes in intraocular pressure, hemodynamic changes and satisfaction of surgeon and patient. Result: with respect to bupivacaine, ropivacaine showed greater reduction in IOP. (p 0.05). Conclusion: Ropivacaine 0.75% is comparable to bupivacaine 0.5% in respect to anaesthetic properties in peribulbar block for cataract surgery. Ropivacaine has better hemodynamic profile with greater reduction in IOP as compared to bupivacaine.
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