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Long‐term results, prognostic factors and cataract surgery after diabetic vitrectomy: a 10‐year follow‐up study
Author(s) -
Ostri Christoffer,
Lux Anja,
LundAndersen Henrik,
Cour Morten
Publication year - 2014
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/aos.12325
Subject(s) - medicine , vitrectomy , visual acuity , cataract surgery , retinal detachment , ophthalmology , diabetic retinopathy , surgery , diabetes mellitus , logistic regression , retrospective cohort study , odds ratio , retinal , endocrinology
Purpose To report long‐term results, prognostic factors and cataract surgery after diabetic vitrectomy. Methods Retrospective review of patient files from a large diabetes centre between 1996 and 2010. Surgical history was obtained from the Danish National Patient Register. Follow‐up intervals were 3 months and 1, 3, 5 and 10 years after surgery. Results In total, 167 patients had diabetic vitrectomy indicated for non‐clearing vitreous haemorrhage (47%) and tractional retinal detachment (53%). The proportion of patients with visual acuity ≥0.3 increased from 29% before surgery to 60% after 3 months (p < 0.001, chi‐square test). Median visual acuity increased from 0.06 before surgery to 0.3 after 3 months (p < 0.001, paired signed‐rank test) and 0.4 after 1 year (p = 0.009) before stabilizing. No significant long‐term prognostic factors were identified for non‐clearing vitreous haemorrhage patients. For tractional retinal detachment patients, use of silicone oil was associated with low vision (visual acuity<0.3) after 3 months and 1, 3 and 5 years (all odds ratios >4 and p‐values ≤ 0.03, logistic regression). Of the 134 patients who were phakic after surgery, 43% and 29% were phakic after 5 and 10 years, respectively. Use of silicone oil increased the risk of cataract surgery (p = 0.009, log‐rank test). Conclusions Most diabetic vitrectomy patients stand to gain visual acuity ≥0.3 after surgery and a stable long‐term visual acuity after 1 year. The only consistent long‐term predictor of low vision after surgery is use of silicone oil for endotamponade. About 2/3 of phakic patients will subsequently have cataract surgery the first 10 years after diabetic vitrectomy.

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