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Paper Information

Journal:   JOURNAL OF OPHTHALMIC AND VISION RESEARCH   2007 , Volume 2 , Number 1; Page(s) 46 To 51.
 
Paper: 

OUTCOMES OF VITRECTOMY FOR NON-TRAUMATIC NON-DIABETIC VITREOUS HEMORRHAGE

 
 
Author(s):  MORADIAN SIAMAK*, VALAEI M., AHMADIEH H., SOHEYLIAN MASOUD, AZARMINA M., DEHGHAN M.H., MASHAYEKHI A., SANAGOU M.
 
* OPHTHALMIC RESEARCH CENTER, LABBAFINEJAD MEDICAL CENTER, BOOSTAN 9 ST., PASDARAN AVE., TEHRAN 16666, IRAN
 
Abstract: 

Purpose: To determine the causes of non-traumatic non-diabetic vitreous hemorrhage (NDVH) and to report the visual and anatomical outcomes and complications of vitrectomy for this condition.
Method: In a retrospective case series, records of patients who had undergone vitrectomy for non-traumatic NDVH over a ten year period at Labbafinejad Medical Center, Tehran-Iran with at least six months of follow up were reviewed for causes of the condition and outcomes of surgery.
Results: From 1993 to 2003, 50 eyes of 49 patients (51% male) with mean age of 62.7
±10.3 (range 35-87) years underwent vitrectomy for non-traumatic NDVH. Preoperatively, mean best-corrected visual acuity (BCVA) was 2.36±0.52 LogMAR and relative afferent pupillary defect was positive in 91.1% of the eyes. Mean BCVA increased significantly to 1.38±0.72 LogMAR at six months (P<0.0001). Causes of non-traumatic NDVH included: branch retinal vein occlusion (56%), central retinal vein occlusion (16%), choroidal neovascularization (12%) and posterior vitreous detachment with retinal break, Eales’ disease, familial exudative vitreoretinopathy and Terson’s syndrome (each in 4%). The most common causes of poor visual outcomes were: macular pigmentary derangement (26%), optic atrophy (16%), severe lens opacity (12%) and epiretinal membrane (8%).
Conclusion: Despite the significant increase in VA following vitrectomy, irreversible macular or optic nerve pathology limits significant improvement in central visual acuity in several cases of non-traumatic NDVH. Vascular accidents were the most common cause of this condition.

 
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