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題名 | 應用高黏稠性,高分子量之超黏喜隆(Healon G.V.)在超音波晶體乳化術中之臨床經驗 |
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作者 | 張宇華; 何一滔; | 書刊名 | 中華民國眼科醫學會雜誌 |
卷期 | 34:3 1995.09[民84.09] |
頁次 | 頁57-62 |
分類號 | 416.744 |
關鍵詞 | 高黏稠性; 高分子量; 超黏喜隆; 超音波晶體乳化術; Phacoemulsification; Viscoelastic agents; Healon G. V. healon; |
語文 | 中文(Chinese) |
中文摘要 | 隨著超音波晶體乳化術(phacoemulsificatton)的流行,傳統的人工玻璃體-- 喜隆(Healon)已較不符合需要,因此又發展了高黏稠性(2x106 Cst),而分子量達 5x106 Dalton的超黏喜隆(Healon G.V.)作為新一代的人工玻璃體(Viscoelastic agents)。 本研究收集了各30例的白內障病例,利用Healon及Healon G.V.作超音波乳化術, 在手術中觀察其特性;並在術前、術後第一週、術後三個月觀察其變化。經過三 個月的觀察,在視力方面兩組並無差異。Healon組的內皮細胞損失率雖稍高,但 並無統計學上之差異。Healon組的內皮細胞形狀,呈較不規則之變化,需再作進 一步之觀察與研究。術後兩組各有兩倒在24小時內眼壓達3OmmHg以上,但48小 時後全部達正常範圍。在前房重塑(chamber creation)、前房維持(chamber maintenance)、及抗壓,(pressure resistance)方面,Healon G.V.較優。作連續環狀前 囊膜撕開(Continuous curvilinear capsulorhexis)時,也因Healon G.V.的黏稠性增加而 較能控制前囊撕開之方向。兩者在透明度及術後清除方面均極優良,不易有氣泡 也不易殘留。 整體而言,Healon G.V.對於操作超音波乳化術,較Healon更易於施行,更能保護 組織。 |
英文摘要 | Owing to the current increasing popularity ofphacoemulsification, the high viscosity preparations(e.g. Healon G.V. 2x10" Cst, M.W. 5x10") weredeveloped to assure the ease and safety of suchtechnique. We collected 30 cases of cataract foreach group, using Healon or Healon G.V. inphacoemulsification, to observe the change duringoperation one week and three months postoperatively.There was no significant difference between thesetwo groups in visual acuity right before and threemonths after surgery. The comeal endothelial cell loss rate was higherin the Healon group without statistically significantdifference. However, the size and morphology ofcomeal endothelial cells were more irregular in Healon group, even though this needed furtherinvestigation due to lack of quantitative analysis.Both groups had two cases of rising intraocularpressure to 30 mmHg or more within 24 hourspostoperatively, but they all returned to normal rangeby 48 hours. In addition to greater viscosity, HealonG.V. had greater chamber creation, chambermaintenance and pressure resistance than Healon. So,Healon G.V. provided better control for continuouscurvilinear capsulorhexis performance. Both Healonand Healon G.V. had good visual clarity and residuewashing-out. Therefore, Healon G.V. was an excellent choicefor manipulation and tissue protection in phacoemulsification. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。