Twelve‑month results of ab interno trabeculectomy with Kahook Dual Blade: an interventional, randomized, controlled clinical study

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Ventura Abreu, Néstor and García Feijoo, Julián and Pazos, Marta and Biarnés, Marc and Morales Fernández, Laura and Martínez de la Casa, Jose Maria (2021) Twelve‑month results of ab interno trabeculectomy with Kahook Dual Blade: an interventional, randomized, controlled clinical study. Graefe's Archive for Clinical and Experimental Ophthalmology . ISSN 0721-832X; 1435-702X (e)

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Official URL: https://doi.org/10.1007/s00417-021-05213-0




Abstract

Purpose: To evaluate the efficacy and safety profile of Kahook Dual Blade ab interno trabeculectomy combined with phacoemulsification compared to stand-alone conventional cataract surgery.
Methods: A single-center longitudinal, randomized controlled trial was conducted. Patients older than 18 years with coexisting cataract and open-angle glaucoma or ocular hypertension were invited to participate. Preoperative and postoperative clinical data were collected and analyzed preoperatively and at months 1, 3, 6, and 12 after the procedure. Main outcome measures included best corrected visual acuity, intraocular pressure, number of glaucoma medications, endothelial cell count, and standard automated perimetry.
Results: Forty-two eyes from 33 patients were randomly allocated to the combined cataract and KDB (treatment, n = 21) or cataract alone (control, n = 21) groups. Intraocular pressure decreased from 17.9 ± 3.5 to 16.0 ± 2.2 mmHg and from 17.3 ± 2.5 to 15 ± 3.2 mmHg at the last visit in the treatment and control groups (p = 0.47). The use of glaucoma medications was reduced from a median (IQR) 1 (1–2) to 0 (0–0) in the treatment group and from 1 (1–2) to 0 (0–1) in the control group, with no significant differences between groups at the 12-month visit (p = 0.47). Best corrected visual acuity, endothelial cell count, and standard automated perimetry remained similar during follow-up in both groups.
Conclusions: In patients with well-controlled, mild-to-moderate glaucoma, adding ab interno trabeculectomy with KDB to phacoemulsification might not be more effective than phacoemulsification alone to reach mid-teens IOP values. Both procedures showed similar safety profiles.


Item Type:Article
Additional Information:

Received: 21 October 2020 / Revised: 16 March 2021 / Accepted: 19 April 2021 / Published online: 27 April 2021
Presented in part as a poster at the European Glaucoma Society Meeting in Florence, 2018 and as an oral communication at the Spanish Glaucoma Society Congress in Madrid, 2019.

Uncontrolled Keywords:Intraocular pressure; MIGS; Glaucoma surgery; Ab interno trabeculectomy; Kahook Dual Blade
Subjects:Medical sciences > Medicine > Surgery
Medical sciences > Medicine > Ophtalmology
ID Code:65404
Deposited On:29 May 2021 08:01
Last Modified:31 May 2021 08:02

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