白内障超声乳化术中动态角膜基质水化实验数据的比较(英文)

Dynamics tromal hydration during phacoemulsification:a comparative study with experimental data

目的:报道一种不同的水化方法-动态角膜基质水化。白内障手术角膜基质水化时,常规水化技术虽然运用普遍,但需要对伤口密闭性进行标准化判断,而目前尚无精确地评价伤口边缘水化是否充分的标准。方法:前瞻性随机对照研究。通过连续性灌注检测渗漏点。根据渗漏点进行基质水化,伤口边缘肉眼可见无渗漏时停止水化,应用0.0125%台盼蓝分别检测伤口位点的渗漏。术后1d Seidel试验评估伤口的密闭性。结果:试验组共120眼,包含360个伤口位点(左侧120个,右侧120个,主要切口120个),对照组包含120眼。试验组中染色试验显示仅22眼中的29个伤口位点有房水外渗(8.0%),而对照组中有30眼中的41个伤口位点有渗漏(11.3%),差异有统计学意义(P=0.042)。结论:动态角膜基质水化是一项直接观测技术,可用作标准化常规基质水化。可通过简单的观察伤口动态评估基质水化时伤口的密闭性。

AIM：To present a different approach called dynamic stromal hydration.Though common,conventional hydration technique should be standardized to ascertain wound integrity at the time of stromal hydration during cataract surgery.No explicit criteria exist to suggest that hydration of wound edges is adequate.METHODS：This study was designed as prospective,randomized,comparative study.Leakage sites were detected by continuous irrigation.At that point,stromal hydration was performed in consideration of the leakage points.The wound edges were hydrated until no further leakage could be visually detected.Trypan blue 0.0125%was applied over the wound sites,and each wound was individually observed for leakage.On the day after surgery,Seidel＇s test was performed to assess wound integrity.RESULTS：All 120 eyes in the experimental group were evaluated,including all 360 wound sites-120 left side ports,120 right side ports,and 120 main incisions-as were all 120 eyes in the control group.Though the dye test revealed leakage of aqueous humour from only 29 wound sites of 22 eyes（8.0%of 360 wounds） in the experimental group,leakage appeared in 41 wound sites of 30 eyes（11.3%of 360 wounds） in the control group.When groups were compared in terms of leakage,the difference was statistically different（P=0.042）.CONCLUSION：Dynamic stromal hydration-meaning standardized conventional stromal hydration-is a direct observational technique that allows the easy evaluation of wound integrity at the time of stromal hydration by way of observing wound dynamics.