Clinical outcomes of the enhanced scleral flap suture technique in trabeculectomy surgery

  • Vũ Anh Tuấn Bệnh viện mắt quốc tế Nhật Bản
  • Phí Thuỳ Linh Bệnh viện đa khoa Phương Đông
  • Nguyễn Đức Quang Bệnh viện mắt quốc tế Nhật Bản
  • Phạm Tuệ Liên Bệnh viện mắt quốc tế Nhật Bản
  • Phạm Thu Trang Bệnh viện mắt quốc tế Nhật Bản

Main Article Content

Keywords

Trabeculectomy, Glaucoma, scleral flap suture.

Abstract

Objective: To evaluate the effectiveness of enhanced scleral flap sutures in trabeculectomy and describing the postoperative complications encountered in the study. Subject and method: A total of 30 eyes (28 patients) with indications for trabeculectomy surgery when intraocular pressure is not controlled with medication with various glaucoma forms. After routine trabeculectomy, the scleral flap will be closed tightly with a 10/0 U-shaped suture. This suture will be removed in the postoperative period depending on the development of intraocular pressure. The results of visual acuity, intraocular pressure and postoperative complications were recorded at 1 day, 3 days, 1 week, 2 weeks, 1 month, 3 months and 6 months after surgery. Result: Average visual acuity before surgery 0.39 ± 0.48 logMAR; after 1 week 0.51 ± 0.49; 1 month 0.41 ± 0.45; 3 months 0.36 ± 0.41; 6 months 0.38 ± 0.45 logMAR. Average intraocular pressure before surgery 28.8 ± 9.1 mmHg, after surgery 1 day 24.5 ± 13.5; 3 days 18.5 ± 7.6; 7 days 14.4 ± 3.6; 2 weeks; 1 month 14.9 ± 4.7; 3 months 16.5 ± 6.4; 6 months 15.7 ± 3.9mmHg. Early complications within 1 month after surgery included 1 shallow anterior chamber, 1 choroidal effusion, 4 low intraocular pressure, and 1 wound leak. There were no complications of aqueous misdirection syndrome, suprachoroidal hemorrhage, cystoid macular edema, vision loss. The mean preoperative medication use was 3.9 ± 0.8; 6 months after surgery, it was 0.8 ± 0.6. The success rate was 70%, the relative success rate was 23.3%, and the failure rate requiring further surgery was 6.7%. Conclusion: Additional scleral flap suturing technique with U-shaped suture significantly reduces early complications of trabeculectomy and does not affect the final outcome of surgery.

Article Details

References

1. Trần Thanh Thuỷ (2015) Đánh giá tình trạng sẹo bọng của phẫu thuật cắt bè có ghép màng ối và cắt bè áp Mitomycin C điều trị tăng nhãn áp tái phát sau mổ lỗ rò, in Nhãn khoa. Trường Đại học Y Hà Nội.
2. Nuyts RM et al (1994) Treatment of hypotonous maculopathy after trabeculectomy with mitomycin C. Am J Ophthalmol, 1994. 118(3): p. 322-31.
3. Sugar HS (1971) Treatment of hypotony following filtering surgery for glaucoma. Am J Ophthalmol 71(5): 1023-1033.
4. Schwartz GF et al (1996) Resuturing the scleral flap leads to resolution of hypotony maculopathy. J Glaucoma, 1996. 5(4): 246-251.
5. Shirato S, K Maruyama, and Haneda M (2004) Resuturing the scleral flap through conjunctiva for treatment of excess filtration. Am J Ophthalmol 137(1): 173-174.
6. Musch DC et al (1999) The Collaborative Initial Glaucoma Treatment Study: study design, methods, and baseline characteristics of enrolled patients. Ophthalmology 106(4): 653-662.
7. Lai C et al (2022) Trabeculectomy With Antimetabolite Agents for Normal Tension Glaucoma: A Systematic Review and Meta-Analysis. Front Med (Lausanne) 9: 932232.
8. Gedde SJ et al (2007) Treatment outcomes in the tube versus trabeculectomy study after one year of follow-up. Am J Ophthalmol, 2007. 143(1): p. 9-22.
9. Gedde SJ et al (2012) Postoperative complications in the Tube Versus Trabeculectomy (TVT) study during five years of follow-up. Am J Ophthalmol 153(5): 804-814.
10. Mamidipaka A et al (2025) Outcomes of Trabeculectomy and Predictors of Success in Patients of African Ancestry With Primary Open Angle Glaucoma. J Glaucoma 34(2): 127-135.