From Conventional Angle Surgery to 360-Degree Trabeculotomy in Pediatric Glaucoma - 21/10/20
Abstract |
Purpose |
To describe the transition from conventional angle surgery (CAS), trabeculotomy with rigid probe or goniotomy, to 360-degree trabeculotomy assisted with microcatheter (MCT).
Design |
Retrospective comparative interventional case series.
Methods |
Review of consecutive children with glaucoma undergoing angle surgery, including cases with previous surgery, from January 2012 until March 2018 at Moorfields Eye Hospital. Main outcome measure was success rate, defined as intraocular pressure (IOP) ≤21 mm Hg with a minimum of 20% of IOP reduction and no further glaucoma surgery (complete success: without the need of glaucoma drops; qualified success: drops were needed to keep the IOP under control).
Results |
Among the 106 eyes (77 patients) included were 54 MCT and 52 CAS eyes. At last visit, after a single surgery, qualified success was 85% (46 eyes) in MCT and 37% (19 eyes) in CAS. Complete success was 69% (37 cases) in MCT and 23% (12 cases) in CAS. The mean (95% confidence interval) change in axial length after surgery was −0.03 mm (−0.34 to 0.40) for MCT and +1.35 mm (−0.64 to 1.62) for CAS (P < .001). The percentage of IOP reduction was 52.1% in MCT and 45.5% in CAS (P = .1616). Further glaucoma surgery was required in 5.5% (3) in MCT and 63.4% (33) in CAS. At 1 year, 94.3% of MCT cases achieved qualified success compared to 34.6% of CAS (P < .0001). No significant complications were found on either group.
Conclusion |
MCT achieved better results with significantly lower reoperation rates. The transition from CAS to MCT can be easily achieved, even in difficult cases or those previously operated.
Le texte complet de cet article est disponible en PDF.Highlights |
• | Trabeculotomy with illuminated microcatheter has better results and longer survival. |
• | This surgery is also effective in complex pediatric glaucoma cases. |
• | Conventional angle surgery requires more re-treatment. |
• | Complications are similar between these 2 techniques. |
• | Transition from conventional angle surgery is recommended. |
Plan
Vol 219
P. 77-86 - novembre 2020 Retour au numéro
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