Grewing R, Mester U
Department of Ophthalmology of the Bundesknappschaft, Sulzbach/Saar, Germany.
Br J Ophthalmol. 1994 Jun;78(6):433-6. doi: 10.1136/bjo.78.6.433.
The clinical course in 50 eyes was analysed after pars plana vitrectomy for progressive diabetic fibrovascular proliferations. Patients were assigned to pars plana vitrectomy if progression of proliferations occurred despite a photocoagulation treatment with a mean number of 3500 burns and additional peripheral cryoablation. All cases had visual impairment because of fibrovascular tissue covering the macula without detachment of the macula. Flat proliferations were present in all eyes without retinal elevation, vitreous detachment, or vitreous haemorrhage. The follow up intervals ranged from 13 months to 39 months (mean interval 24 months). Twelve months postoperatively, 36 eyes (72%) showed improved visual acuity, five eyes (10%) were worse, and nine eyes (18%) were unchanged. Thirty two eyes (64%) achieved a final visual acuity of 0.2 or better, and 45 eyes (90%) gained 0.05 or better. In only two eyes could reproliferation be observed. The postoperative course indicates that pars plana vitrectomy for diabetic fibrovascular proliferations covering the macula can preserve socially useful visual acuity of at least 0.05 in most cases.
对50只眼行玻璃体平坦部切除术治疗进展性糖尿病性纤维血管增殖后的临床病程进行了分析。尽管平均进行了3500次光凝治疗并附加周边冷冻治疗，但增殖仍进展的患者被安排行玻璃体平坦部切除术。所有病例均因纤维血管组织覆盖黄斑但黄斑未脱离而出现视力障碍。所有眼均存在扁平增殖，无视网膜抬高、玻璃体脱离或玻璃体出血。随访时间为13个月至39个月（平均24个月）。术后12个月，36只眼（72%）视力提高，5只眼（10%）视力变差，9只眼（18%）视力无变化。32只眼（64%）最终视力达到0.2或更好，45只眼（90%）视力提高0.05或更好。仅在2只眼中观察到再增殖。术后病程表明，对于覆盖黄斑的糖尿病性纤维血管增殖，玻璃体平坦部切除术在大多数情况下可保留至少0.05的社会有用视力。
