4.6 Article

Achieving Inner Aqueous Drain in Glaucoma Secondary to Iridocorneal Endothelial Syndrome: One Year Results of Penetrating Canaloplasty

Journal

AMERICAN JOURNAL OF OPHTHALMOLOGY
Volume 243, Issue -, Pages 83-90

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajo.2022.07.006

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Funding

  1. National Key R&D Program of China [2020YFC2008200]
  2. Wenzhou Medical University RD Fund [QTJ13009]
  3. Zhejiang Provincial National science foundation of China [LQ18H120010]
  4. Zhejiang Health Innovation Talents Program [2016025]
  5. key innovation and guidance program of the Eye Hospital, School of Ophthalmology & Optometry, Wenzhou Medical University [YNZD2201903]
  6. Wenzhou Municipal Technological Innovation Program of High-level Talents [604090352/577]

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Penetrating canaloplasty is effective in managing glaucoma secondary to iridocorneal endothelial syndrome (GS-ICE), resulting in reduced intraocular pressure and minimal complications.
PURPOSES: To report the efficacy of a bleb-independent penetrating canaloplasty in the management of glaucoma secondary to iridocorneal endothelial syndrome (GS-ICE). DESIGN: Prospective, non-comparative clinical study. METHODS: Penetrating canaloplasty was performed on 35 eyes from 35 patients with GS-ICE and medically uncontrolled intraocular pressure (IOP) between January 2018 and April 2020. Patients were followed up at 1 week, months 1, 3, 6, 12 postoperatively, and semi-annually thereafter. The IOP, anti-glaucoma medication, and surgery-related complications were recorded. Surgical success was defined as IOP >= 5 mmHg and <= 21 mmHg without (complete success) or with/without (qualified success) IOP-lowering medication. RESULTS: A total of 29 eyes (82.9%) had 360 degrees catheterization and successfully received penetrating canaloplasty. Of these eyes, 24 (82.8%) achieved qualified success and 22 (75.9%) achieved qualified success at 12 months after surgery. The mean IOP decreased from 39.5 +/- 11.8 mmHg on 2.9 +/- 1.0 medications before surgery to 16.6 +/- 5.3 mmHg ( P < .001) on 0.2 +/- 0.6 medications ( P < .001) at 12 months postoperatively, respectively. Hyphema (37.9%), transient hypotony (34.5%), and transient postoperative IOP elevation (> 30 mmHg, 17.9%) were the most commonly observed early complications at the 1 week and 1 month visits. From 1 month and beyond, all treated eyes showed no obvious bleb at the operation quadrant. CONCLUSIONS: Penetrating canaloplasty rescued the inner aqueous outflow in ICE eyes and demonstrated acceptable success in IOP control with few complications, providing a new option for the management of GS-ICE. (C) 2022 The Author(s). Published by Elsevier Inc.

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