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局部上輪部結膜下注射麻醉法在白內障手術的臨床評估
Clinical Evaluation of Limbal Anesthesia for Cataract Surgery
摘要
從民國81年12月至82年3月，我們利用上輪部結膜下注射麻醉法，成功地完成了59例白內障手術，其中50例是白內障囊外摘除術合併後房人工水晶體植入，9例是小切口晶體乳化術，另外一組24例，是以傳統球後麻醉法完成白內障囊外摘除術合併後房人工水晶體植入。 比較此二組不同麻醉方法，病人在手術中、手術後的疼痛情形並無顯著差異，以上輪部麻醉的病人在手術時眼壓控制及虹彩脫出情形都比用球後麻醉的病人良好，也較沒有術後眼瞼下垂現象，在所有59例病人，並沒有因為上輪部結膜下注射麻醉而造成副作用，也沒有因為病人眼球可以完全轉動而造成手術中的併發症。上輪部結膜下注射麻醉法不僅適合傳統的白內障手術，更適合於小切口晶體乳化術。
關鍵字
無資料並列摘要
We performed 59 eyes of cataract surgery, which including 50 eyes with extracapsular cataract extraction and posterior chamber intraocular lens implant and 9 eyes with phacoemulsification, successfully in using limbal anesthesia from Dec, 1992 to March, 1993. Another 24 eyes of cataract surgery with extracapsular catarat extraction and posterior chamber intraocular lens implant were performed in using retrobulbar anesthesia for clinical comparison. No significant difference in pain sensation during operation and postoperation between the two groups. Less iris prolapse, less postoperative ptosis and good IOP control during operation was found in limbal anesthesia group. No complication during operation or postoperation was noted due to no akinesia by limbal anesthesia in the 59 eyes of cataract surgery. The limbal anesthesia is suitable for traditional cataract surgery, also a new trend for small incision scleral tunnel phacoemulsification.