23게이지 유리체절제술 및 술 전 베바시주맙 주입술 여부에 따른 당뇨 유리체절제술의 결과
Effect of 23-gauge Sutureless Vitrectomy & Preoperative Bevacizumab on Results of Diabetic Vitrectomy
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목적: 당뇨유리체절제술에 있어서 경결막무봉합 23게이지 유리체절제술, 그리고 술 전 유리체강 내 베바시주맙 주입술 여부에 따른 임상결과를 분석하였다. 대상과 방법: 증식당뇨망막병증으로 동일한 술자에 의해 유리체절제술을 시행 받은 후 6개월 이상 경과 관찰했던 환자를 대상으로 20게이지 유리체절제술 시행군 86안(I군), 23게이지 유리체절제술 시행군 30안(II군), 술 전 베바시주맙 주입 후 23게이지 유리체절제 술 시행군 96안(III군)으로 나누어 술 전후 시력 변화, 술 중, 술 후 합병증을 비교하였다. 결과: 수술 후 세군 모두 시력은 호전되었으며 술 후 초기 시력 호전 정도(술 전-1개월)는 II군과 III군이 I군에 비해 유의하게 좋았고(p=0.021, 0.001), II군과 III군간에는 유의한 차이가 없었다(p=0.544). 술 후 3개월째 시력호전 정도는 III군은 I군, II군에 비해 유의하게 좋았고 (p=0.003, 0.021), I군과 II군간에는 유의한 차이가 없었다(p=0.185). 최종 시력호전 정도(6개월-술 전)는 III군이 I군에 비해 유의하게 좋았으나(p=0.045) I군과 II군, II군과 III군간의 차이는 없었다(p=0.643, p=0.220). 수술 중 망막열공 발생 및 수술 후 유리체출혈의 발생 빈도는 III군이 I군과 II군보다 유의하게 낮았다. 결론: 증식당뇨망막병증에서 23게이지 미세절개유리체절제술은 기존 20게이지 방식보다 술 후 빠른 초기 시력회복을 보였으며 또한 합병증 측면에서 차이가 없다는 점을 확인하였다. 그리고 유리체절제술 전 유리체강 내 베바시주맙 주입술은 술 중 및 술 후 합병증 감소에 효과가 있었다.
Abstract
Purpose: To investigate the results of 23-gauge sutureless vitrectomy and preoperative bevacizumab in diabetic retinopathy cases. Methods: A total of 212 eyes received pars plana vitrectomy by a single surgeon for proliferative diabetic retinopathy and were followed up for at least 6 months. The change of visual acuity and operative complications among the 20-gauge vitrectomy (group I, 86 eyes), 23-gauge vitrectomy (group II, 30 eyes), and 23-gauge vitrectomy with preoperative intravitreal bevacizumab (IVB) injection (group III, 96 eyes) were retrospectively analyzed. Results: One month postoperatively, visual improvement was better in groups II and III than in group I. Three months postoperatively, visual improvement was better in group III than in groups I and II. Six months postoperatively, visual improvement in group III was better than in group I, but there was no significant difference between group II and III. Intraoperative retinal breaks and postoperative vitreous hemorrhage were less common in group III than in groups I and II. Conclusions: In patients with proliferative diabetic retinopathy, 23-gauge sutureless vitrectomy showed faster visual recovery compared with 20-gauge vitrectomy, and vitrectomy with preoperative bevacizumab had less intraoperative and postoperative complications than vitrectomy without preoperative bevacizumab.
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