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Abstract #19517 Published in IGR 9-3

Frequency of bleb manipulations after trabeculectomy surgery

King AJ; Rotchford AP; Alwitry A; Moodie J
British Journal of Ophthalmology 2007; 91: 873-877


AIM: To quantify the type and frequency of postoperative bleb manipulations undertaken after modern glaucoma surgery. METHODS: Bleb manipulations were recorded after trabeculectomy surgery on 119 consecutive patients with at least 1 year of follow-up. The type of intervention and time after surgery were recorded. Statistical analysis identified success rates at various intraocular pressure (IOP) cut-off definitions and identified factors that increased the risk for bleb manipulation. RESULTS: In all, 78.2% of trabeculectomies were followed by some form of bleb manipulation. Almost 49% of blebs underwent massage and a similar number required at least one suture removal, 31.1% required at least one 5-fluorouracil (5-FU) injection and 25.2% required at least one needling and 5-FU injection. The median time to the first intervention for massage, suture removal, 5-FU injection, and needling and 5-FU injection were 1, 14, 14 and 43 days, respectively. IOP measurements were higher at all follow-up time points in the intervention group. Failure to achieve specific IOP target pressures was also generally poorer in the 5-FU, and needling and 5-FU intervention groups. CONCLUSIONS: Postoperative intervention is a frequent occurrence after modern glaucoma surgery. This requires intensive postoperative follow-up and is a labour-intensive undertaking. Despite interventions in our group of patients, IOP in the intervention group was always higher than in the group that required no intervention.

Dr. A.J. King, Department of Ophthalmology, Eye and Ear Building, Queens Medical Centre, Nottingham NG7 2UH, UK. Anthony.king@nuh.nhs.uk


Classification:

12.8.5 Other (Part of: 12 Surgical treatment > 12.8 Filtering surgery)



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