Trial reportEye (London, England)2023
Comparing combined laser iridoplasty and surgical iridectomy with trabeculectomy in treatment of refractory acute primary angle closure without significant cataract: a randomized controlled trial.
Trial report in Eye (London, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo compare the safety and efficacy of combined laser iridoplasty followed by surgical iridectomy (LI-SI) versus trabeculectomy in the management of medically unresponsive acute primary angle closure (APAC) with minimal cataract. PATIENTS AND
methodsThis was a randomized controlled trial conducted among patients with medically unresponsive APAC without significant cataract. Study participants were randomized into: LI-SI or unaugmented trabeculectomy. Primary outcome of the study was the rate of post-operative surgical complications in the first 3 months after surgery. Secondary outcome assessed at 1 year was whether treatment was completely successful (IOP < 21 mmHg without IOP lowering drops), or partially successful (IOP < 21 mmHg with IOP lowering drops). Failure was defined as IOP ≥ 21 mmHg with IOP lowering drops.
resultsThe study included 67 eyes of 67 patients (59 females/8 males = 7.4/1) who were randomized into 2 groups: LI-SI (Group 1, 37 eyes), and trabeculectomy (Group 2, 30 eyes). There was no statistical difference between the two groups at baseline. Overall, there were more post-operative complications in Group 1 versus Group 2 (45.9% versus 33.3% - p = 0.23), although all responded well to medical treatment and resolved without sequelae. Complete success was found in 97.1% (34/35 eyes) in Group 1 and 92.6% in group 2 (p = 0.19, Fisher's exact test).
conclusionsThere was a higher rate of post-operative complications after LI-SI compared to trabeculectomy performed for medically unresponsive APAC with minimal cataract. Both procedures had similar surgical outcomes at 1 year.
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