Changes in anterior segment optical coherence tomography following pars plana vitrectomy without tamponade

Autor: Alireza Khodabande, Massood Mohammadi, Hamid Riazi-Esfahani, Shahab Karami, Massood Mirghorbani, Bobeck S. Modjtahedi
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: International Journal of Retina and Vitreous, Vol 7, Iss 1, Pp 1-8 (2021)
Druh dokumentu: article
ISSN: 2056-9920
DOI: 10.1186/s40942-021-00285-w
Popis: Abstract Background To evaluate changes in anterior segment morphology on anterior segment optical coherence tomography (AS-OCT) following pars plana vitrectomy (PPV) without tamponade. Methods Patients who underwent PPV without tamponade for epiretinal membrane were evaluated. Eligible patients underwent intraocular pressure (IOP) measurement and AS-OCT preoperatively as well as 1 month and 6 months post-operatively. Anterior chamber width (ACW), anterior chamber depth (ACD), trabecular iris angle (TIA), angle opening distance at 500 and 750 µm (AOD), and trabecular iris space area at 500 and 750 µm (TISA) at four quadrants were recorded and analyzed. Additionally, the mean values of TIA (MTIA), AOD (MAOD), and TISA (MTISA) for each eye (mean of four quadrants) were analyzed. Results 23 patients completed the study. The mean age of participants was 56.4 ± 3.6 years of age and 13/23 (56%) were female. Mean IOP of patients was 18.1 ± 1.1, 18.3 ± 1.1, and 18.1 ± 1.2 preoperatively,1 month post-operatively, and 6 months post-operatively, respectively. (p = 0.83). No difference was detected post-operatively in measurements of ACW, ACD, MTIA, MAOD500, MAOD750, MTISA500, and MTISA750. Conclusion Pars plana vitrectomy without tamponade was not associated with changes in anterior chamber morphology.
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