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External Approach Microsurgery of Retinal Dialysis

机译：视网膜透析的外部入路显微手术

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Purpose: To explore the effect of external approach microsurgery in retinal dialysis. Methods: Consecutive 30 eyes of 28 patients with retinal dialysis were enrolled for this study. The progresses of the external approach microsurgery were following. Under the surgical microscopy, the preplacement of mattress sutures for buckling and/or encircling following retrobulbar anesthesia and scleral exposure, draining subretinal fluid, the cryotherapy of retinal breaks, checking the position of breaks on scleral buckle and gases injection were performed in turn. Results: After drainage of subretinal fluid, with scleral depression cryotherapy reaction around breaks could be observed clearly under the microscopy. All breaks were located on anterior slope of the buckle. Intraoperative complications were mild subretinal hemorrhage at drainage site and corneal epithelium exfoliation in 3 eyes, respectively. Postoperative complications were mainly secondary glaucoma and retinal redetachment. The one-operation reattachmentl rate was 96.7% (29 eyes), and the final reattachment rate was 100% after one eye had a second external approach microsurgery. The postoperative vision acuity (VA) was significantly better than the preoperative VA(χ~2 = 9.529, P < 0.01). Conclusion: External approach microsurgery has favourable effect on the surgery of retinal dialysis.
机译：目的：探讨显微外科手术在视网膜透析中的作用。方法：本研究共入选了28例视网膜透析患者的30眼。外部入路显微外科手术的进展如下。在外科手术显微镜下，依次进行球囊后麻醉和巩膜暴露后屈曲和/或环绕的褥式缝合线的放置，引流视网膜下液，视网膜裂孔的冷冻治疗，检查巩膜扣断裂的位置和注气。结果：视网膜下液引流后，在巩膜凹陷处，冷冻疗法在断口附近的冷冻反应明显可见。所有断裂均位于带扣的前坡。术中并发症分别为3只眼引流部位轻度视网膜下出血和角膜上皮剥脱。术后并发症主要是继发性青光眼和视网膜脱离。一次手术的再附着率为96.7％（29眼），并且在一只眼睛进行了第二次外部入路显微手术后，最终的再附着率为100％。术后视力（VA）明显优于术前视力（χ〜2 = 9.529，P <0.01）。结论：外来显微外科手术对视网膜透析手术有良好的效果。

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