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Effects of Macular Ischemia and Early Treatment on Visual Outcome in Branch Retinal Vein Occlusion
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Abstract
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°á°ú: 42¾ÈÀÇ ¸Á¸·ºÐÁöÁ¤¸ÆÆó¼â¿¡¼ ½Ã¼ú Àü ÃÖ´ë±³Á¤½Ã·Â(logMAR) 0.67 ¡¾ 0.43, ù ½Ã¼ú 48°³¿ù ÈÄ ÃÖ´ë±³Á¤½Ã·Â 0.30 ¡¾ 0.30·Î À¯¸®Ã¼°³» º£¹Ù½ÃÁÖ¸¿ ÁÖÀÔ¼úÀ» ½ÃÇàÇÑ ÈÄ À¯ÀÇÇÑ ½Ã·Â È£ÀüÀ» º¸¿´´Ù(p£¼0.001). Ȳ¹ÝºÎ ºñÇãÇ÷±ºÀº Ȳ¹ÝºÎ ÇãÇ÷±º¿¡ ºñÇØ ½Ã¼ú 48°³¿ù ÈÄ ÃÖ´ë±³Á¤½Ã·ÂÀÌ À¯ÀÇÇÏ°Ô ÁÁ¾ÒÁö¸¸ ÃÖÁ¾½Ã·ÂÈ£Àü Á¤µµ´Â À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. Áõ»ó ¹ß»ýºÎÅÍ Ã¹ ÁÖ»çÄ¡·á±îÁö ÀÇ ±â°£ÀÌ ÂªÀº ±ºÀº ±×·¸Áö ¾ÊÀº ±º¿¡ ºñÇØ 48°³¿ù ÈÄ ÃÖ´ë±³Á¤½Ã·Â°ú ÃÖÁ¾½Ã·ÂÈ£Àü ¸ðµÎ À¯ÀÇÇÏ°Ô ÁÁ¾ÒÀ¸¸ç, Ȳ¹ÝºÎ ÇãÇ÷ÀÌ ÀÖ¾î µµ Á¶±âÄ¡·á¸¦ ÇÒ °æ¿ì ½Ã·ÂÀÌ À¯ÀÇÇÏ°Ô È£ÀüµÇ¾ú´Ù.
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Purpose:To evaluate the effects of macular ischemia and early treatment on the visual outcomes of patients with branch retinal vein occlusion (BRVO).
Methods:This study retrospectively reviewed the records of 42 patients who were treated with an intravitreal bevacizumab injection for BRVO, repeated 3 times at 6-week intervals and were whose data available for a follow-up period of at least 4 years. Best-corrected visual acuity (BCVA) and optical coherence tomography (OCT) results before treatment and at 6, 12, 24, 36 and 48 months after the 3 serial injections, were measured. We assessed macular ischemia, time to the first treatment, and the relationship of these with BCVA.
Results: Mean BCVA (log MAR) was significantly improved from 0.67 ¡¾ 0.43 at baseline to 0.30 ¡¾ 0.30 at 48 months (p < 0.001). Four years after treatment, mean BCVA in the macular non-ischemic group was better than in the ischemic group, but this relationship did not hold for mean change in BCVA. There was a statistically significant (p < 0.05) difference between the early (¡Â6 weeks) and late (>6 weeks) treatment groups in BCVA and mean change in BCVA after 48 months. There was statistically significant (p < 0.05) difference between the early (¡Â6 weeks) and late (>6 weeks) treatment groups with macular ischemia in BCVA after 48 months.
Conclusions: In patients with BRVO, a significant visual improvement was maintained after intravitreal bevacizumab injections, despite the presence of macular ischemia. Early treatment (within 6 weeks) is more effective for maintaining and improving visual acuity. Similar results in the macular ischemia group confirmed the importance of early treatment.
Å°¿öµå
Bevacizumab, Branch retinal vein occlusion, Early treatment, Four-year results, Macular ischemia
KMID :
0360220140550020209
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