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Endoscopic goniotomy: a potential surgical procedure for primary infantile glaucoma

机译：内窥镜切开术：潜在的婴儿原发性青光眼手术方法

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摘要

Abstract: Goniotomy is an effective treatment for primary infantile glaucoma. Unlike trabeculotomy, goniotomy facilitates the visualization of the trabecular meshwork and does not disturb the conjunctiva. Because a cloudy cornea may prevent a clear view of the anterior chamber angle through the operating microscope, we investigated whether an endoscope would improve visualization during goniotomy in pig cadaver eyes. We deepened the anterior chamber of each pig eye with viscoelastic material. A modified 23-gauge needle attached to an Olympus 0.8 mm diameter flexible fiberoptic endoscope entered the anterior chamber through a 3 mm limbal incision. The angle was clearly seen on a videoscreen as the needle approached and incised the trabecular pillars for 120$DGR@; the iris immediately fell back. Following the procedure, the eyes were fixed in formalin and sectioned for light microscopy, or fixed in 2% glutaraldehyde for scanning electron microscopy. Trabecular pillars were present from the iris root to Schwalbe's line in the untreated region of the anterior chamber angle. The treated area demonstrated incision of the trabecular pillars with opening of the underlying trabecular meshwork. !20
机译：摘要：角膜切开术是一种治疗小儿青光眼的有效方法。与小梁切开术不同，小腿切开术有助于小梁网的可视化，并且不会干扰结膜。由于角膜混浊可能无法通过手术显微镜清楚地观察到前房角，因此我们调查了内窥镜是否可以改善猪尸体眼切角术期间的可视性。我们用粘弹性材料加深了每只猪眼的前房。连接到奥林巴斯直径0.8毫米的柔性光纤内窥镜上的改良型23号针头通过3毫米的角膜缘切口进入前房。当针头接近并切开小梁支柱时，在视频屏幕上可以清楚地看到该角度，费用为120DGR。虹膜立即回落。按照该程序，将眼睛固定在福尔马林中并切片以进行光学显微镜检查，或在2％戊二醛中固定以进行扫描电子显微镜检查。在前房角未治疗的区域，从虹膜根到Schwalbe线存在小梁柱。经治疗的区域显示了小梁柱的切口，并打开了下面的小梁网。 ！20

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