S-Space College of Medicine/School of Medicine (의과대학/대학원) Anesthesiology and Pain Medicine (마취통증의학전공) Journal Papers (저널논문_마취통증의학전공)
A comparison of retrobulbar block, sub-Tenon block, and topical anesthesia during cataract surgery
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- Issue Date
- WICHTIG EDITORE
- EUROPEAN JOURNAL OF OPHTHALMOLOGY; Vol.19 2; 240-246
- Analgesia ; Sub-Tenon block ; Topical anesthesia ; Patient satisfaction ; Cataract surgery ; Retrobulbar block
- PURPOSE. This randomized, double-blinded, prospective study was performed to compare the intraoperative hemodynamic variables and the patient-reported outcomes, such as intra-and postoperative analgesia and patient satisfaction, of retrobulbar block, sub-Tenon block, and topical anesthesia during cataract surgery under monitored anesthesia care. METHODS. Eighty-one patients, ASA physical status I-III, undergoing elective cataract surgery under monitored anesthesia care, aged between 43 and 78 years, were randomly assigned to three groups: retrobulbar block (group R), sub-Tenon block (group S), or topical anesthesia (group T). Three minutes after the start of monitored anesthesia care with lidocaine-propofol-remifentanil mixture, an ophthalmologist performed regional anesthesia. Intraoperative hemodynamics, pain score, and patients` satisfaction with the anesthetic experiences were recorded by a study-blinded anesthesiologist. RESULTS. Mean arterial pressure and heart rate in group R were significantly higher than those in groups S and T during and just after the regional block (p<0.05). Group R required smaller dosage of patient controlled sedation and fewer supplemental bolus doses than groups S and T (p<0.05). On the other hand, group S showed the highest satisfaction scores among the three groups (p<0.05). CONCLUSIONS. Sub-Tenon block seems to be better than retrobulbar block and topical anesthesia in patient satisfaction though adequate analgesia was achieved after retrobulbar block during cataract surgery under monitored anesthesia care. (Eur J Ophthalmol 2009; 19: 240-6)
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