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The Minimal Postoperative Follow-Up Period to Determine Secondary Surgery in Patients with Intermittent Exotropia
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ÇÑ´ëÇå(Han Dae-Heon) - °¡Ãµ´ëÇб³ ±æº´¿ø ¾È°ú
¹éÇýÁ¤(Paik Hae-Jung) - °¡Ãµ´ëÇб³ ±æº´¿ø ¾È°ú
Abstract
¸ñÀû: °£Çæ¿Ü»ç½Ã ¼ö¼ú ÈÄ ÀÌÂ÷ ±³Á¤¼ö¼úÀÌ ÇÊ¿äÇß´ø ¼Ó¹ß³»»ç½Ã, Àç¹ß¿Ü»ç½Ã ȯÀÚÀÇ ¼ú ÈÄ °æ°ú °üÂû ±â°£¿¡ ´ëÇØ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
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°á°ú: 728¸íÀÇ È¯ÀÚ¸¦ Æò±Õ 7.5¼¼(22°³¿ù-30¼¼)¿¡ ù ¼ö¼úÀ» ½ÃÇàÇÏ°í ¼ú ÈÄ 47.2°³¿ù(13-75°³¿ù) µ¿¾È °æ°ú °üÂûÇÏ¿´´Ù. ±× Áß 647¸í (88.7%)Àº ÃÖÁ¾ °üÂû ½Ã Á¤À§¿´°í 49¸í(6.7%)ÀÇ °ú±³Á¤±º Áß 44¸í(6.0%)Àº ¼Ó¹ß³»»ç½Ã·Î ÀÏÂ÷¼ö¼ú ÈÄ 14.2°³¿ù(6-65°³¿ù)¿¡ ÀÌÂ÷¼ö ¼úÀ» ½ÃÇàÇÏ¿´À¸¸ç 56¸í(7.7%)ÀÇ ºÎÁ·±³Á¤±º Áß 21¸í(2.9%)Àº Àç¹ß¿Ü»ç½Ã·Î ÀÏÂ÷¼ö¼ú ÈÄ 48.6°³¿ù(20-106°³¿ù)¿¡ ÀÌÂ÷¼ö¼úÀ» ½ÃÇàÇÏ ¿´´Ù. ¾ç¾È½Ã±â´ÉÀº ¼ú Àü »óź¸´Ù ¼Ó¹ß³»»ç½Ã±º¿¡¼´Â °æ°ú°üÂû Áß ¾ÇȵǾúÀ¸³ª(p£¼0.001), Á¤À§¿Í Àç¹ß¿Ü»ç½Ã±º¿¡¼´Â ÃÖÁ¾ °üÂû ½Ã Çâ»óµÇ¾ú´Ù(p=0.041, 0.021). ¼Ó¹ß³»»ç½Ã±ºÀº Á¤À§±º¿¡ ºñÇØ ¼ú ÈÄ 2°³¿ùºÎÅÍ 10 PD ÃʰúÀÇ ³»ÆíÀ§¸¦ Áö¼ÓÀûÀ¸·Î º¸¿©(p=0.005) Àç¼ö¼úÀ» ½ÃÇàÇÏ¿´°í, Àç¹ß¿Ü»ç½Ã±ºÀº ¼ú ÈÄ 6°³¿ù° 17¸í(81.0%)¿¡¼´Â Á¤À§¸¦ º¸¿´À¸³ª ¼ú ÈÄ 18°³¿ù ÀÌÈĺÎÅÍ ¸ðµç °æ¿ì¿¡¼ 10 PD ÃʰúÀÎ ¿ÜÆíÀ§¿¡ ¼ÓÇÏ¿© Àç¼ö¼úÀ» ½ÃÇàÇÏ¿´´Ù.
°á·Ð: °£Çæ¿Ü»ç½Ã´Â ¼ú ÈÄ Æ¯È÷ ¼Ó¹ß³»»ç½Ã¿Í Àç¹ß¿Ü»ç½Ã¿¡ ´ëÇÑ ÀÌÂ÷¼ö¼úÀÇ ÀûÀýÇÑ °áÁ¤ÀÌ ¸Å¿ì Áß¿äÇÏ´Ù. ƯÈ÷ ¼ú ÈÄ 2°³¿ù ÀÌÈÄ¿¡ µµ °è¼Ó 10 PD¸¦ ÃʰúÇÏ´Â ³»ÆíÀ§¸¦ º¸ÀÌ´Â °æ¿ì¿¡´Â ¾ç¾È½Ã±â´ÉÀÇ È¸º¹ ¹× Çâ»óÀ» À§ÇØ ¼Ó¹ß³»»ç½ÃÀÇ Á¶±â Àç¼ö¼úÀ» °í·ÁÇÔÀÌ ÁÁÀ¸ ¸ç, Àç¹ß¿Ü»ç½ÃÀÇ ¹ß»ý ¹× ÀÌÂ÷¼ö¼ú °áÁ¤À» À§Çؼ´Â ¼ú ÈÄ ÃÖ¼ÒÇÑ 1³â ¹Ý ÀÌ»óÀÇ Àå±â°üÂûÀÌ ÇÊ¿äÇÏ´Ù.
Purpose: We investigated the recommended minimum postoperative follow-up period for the determination of secondary corrective surgery for the consecutive esotropia (ET) and recurrent exotropia (XT) after the first intermittent XT surgery.
Methods: The medical records of 728 patients who underwent surgical treatment for intermittent XT between 2004 and 2009 with a minimum postoperative follow-up of 1 year were retrospectively reviewed. Each patient underwent a detailed sensory and motor examination, including measurements of near and distance stereoacuity, alternating-cover test, and extraocular muscle function testing. Consecutive ET was defined as esodeviation over 15 prism diopter (PD) at distance persisting for more than 6 months after surgery despite medical treatment. Recurrent XT was defined as exodeviation over 15 PD at distance after surgery despite medical treatment.
Results: The mean age of the 728 patients at first surgery was 7.5 years (range, 22 months - 30 years). When only the motor outcome was considered, 663 patients (91.1%) had an orthrotropia at the final follow-up and 44 patients (6.0%) among consecutive ET patients and 21 patients (2.9%) who had a recurrent XT underwent secondary surgical correction. Binocularity decreased postoperatively in patients with consecutive ET (p < 0.001), whereas the other patients demonstrated improved stereopsis postoperatively (p = 0.041, 0.021). Patients with consecutive ET showed esodeviation over 10 PD when compared with orthotropia after 2 months postoperatively (p = 0.005). At 6 months postoperatively, 17 (81.0%) of 21 patients with recurrent XT showed orthotropia with an exodeviation over 11 PD after 18 months postoperatively.
Conclusions: The success rate of surgical correction for intermittent XT showed a favorable outcome. However, careful concern for consecutive ET and recurrent XT are required in postoperative follow-up periods. Over-corrected or consecutive ETs need early surgical correction because no further improvement of ocular alignment will occur after 2 months postoperatively and delayed correction can result in poor sensory binocularity. Under-corrected or recurrent XT should be observed for an extended period because of the exotropic drift after surgery, thus requiring periodic long term follow-up for secondary surgery at least for 18 months postoperatively.
Ű¿öµå
Consecutive esotropia, Intermittent exotropia, Postoperative follow-up, Recurrent exotropia, Secondary surgery
KMID :
0360220140550050711
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