Yang C M
Ophthalmological Department, National Taiwan University Hospital, Taipei.
Ophthalmic Surg Lasers. 1997 Apr;28(4):288-93.
The presence of extensive choroidal detachment (CD) in eyes with rhegmatogenous retinal detachment (RRD) is a major preoperative complication. Conventional treatment consists of 7 days to a few weeks of systemic and topical steroids followed by scleral buckling and drainage of suprachoroidal fluid. The author studied the usefulness of pars plana vitrectomy in the management of RRD combined with CD.
Ten consecutive patients with RRD complicated by CD were treated with pars plana vitrectomy. Nine had had previous cataract extraction, and one patient had pars plana lensectomy at the time of the surgery. The severity of the CD was evaluated with preoperative ophthalmologic echography. Sclerotomy sites for infusion cannulas were chosen in the area with less CD. Six-millimeter infusion cannulas were used. Pars plana vitrectomy, membrane peeling, and internal fluid-gas exchange with encircling scleral buckle placement were performed in a standard fashion. One patient had silicone oil injected.
In each case, suprachoroidal fluid drained spontaneously through the sclerotomy sites around the vitrectomy instruments during the initial course of the operation without extra sclerotomy. Immediate intraoperative retinal reattachment was achieved in 10 cases. The retina remained attached in 9 cases during at least 6 months of follow-up without additional surgery.
These cases demonstrate the usefulness of pars plana vitrectomy in treating RRD with CD in aphakic or pseudophakic eyes. This method may be an favorable alternative to conventional treatment.
孔源性视网膜脱离(RRD)患者出现广泛脉络膜脱离(CD)是一种主要的术前并发症。传统治疗方法包括全身及局部应用类固醇激素7天至数周,随后进行巩膜扣带术及脉络膜上腔液体引流。作者研究了玻璃体切割术在治疗RRD合并CD中的有效性。
连续10例RRD合并CD的患者接受了玻璃体切割术治疗。其中9例曾接受过白内障摘除术,1例在手术时进行了晶状体平坦部切除术。术前通过眼科超声检查评估CD的严重程度。在CD较轻的区域选择灌注套管的巩膜切口部位。使用6毫米的灌注套管。以标准方式进行玻璃体切割术、膜剥离术以及眼内液气交换并放置环扎巩膜扣带。1例患者注入了硅油。
在每例手术中,术中初期脉络膜上腔液体通过玻璃体切割器械周围的巩膜切口自行引流,无需额外的巩膜切开。10例患者术中均立即实现视网膜复位。9例患者在至少6个月的随访期间视网膜保持复位,无需再次手术。
这些病例证明了玻璃体切割术在治疗无晶状体或人工晶状体眼的RRD合并CD中的有效性。该方法可能是传统治疗的一种较好替代方法。