Williams D F, Williams G A, Hartz A, Mieler W F, Abrams G W, Aaberg T M
Department of Ophthalmology, Medical College of Wisconsin, Milwaukee 53226.
Ophthalmology. 1989 Jun;96(6):752-8. doi: 10.1016/s0161-6420(89)32813-2.
En bloc excision is a technique in which fibrovascular diabetic membranes and the posterior hyaloid are separated from the retina as a single unit. In a consecutive series of 69 eyes with diabetic traction retinal detachment treated with this technique, initial retinal reattachment was accomplished in 100% (69/69) of the eyes. With a minimum of 6 months' follow-up, the retina remained completely attached in 83% (57/69) of eyes, while the macula was attached in 88% (61/69) of eyes. Final visual acuity was 5/200 or better in 71% (49/69) of eyes. While current surgical techniques allow a high rate of anatomic success in the repair of diabetic traction retinal detachment, visual results remain limited by irreversible alterations in retinal function.
整块切除是一种技术，即把纤维血管性糖尿病性视网膜前膜和后玻璃体作为一个整体从视网膜上分离下来。在连续69只采用该技术治疗的糖尿病性牵拉性视网膜脱离眼中，100%（69/69）的患眼实现了初始视网膜复位。经过至少6个月的随访，83%（57/69）的患眼视网膜保持完全复位，而黄斑区复位的患眼占88%（61/69）。71%（49/69）的患眼最终视力达到5/200或更好。虽然目前的手术技术在糖尿病性牵拉性视网膜脱离修复中能实现较高的解剖学成功率，但视觉结果仍受视网膜功能不可逆改变的限制。
