Jin Hong-Ryul, Lee Hyun-Seok, Yeon Je-yeob, Suh Myung-Whan
Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Boramae Hospital, Seoul, Korea.
Am J Rhinol. 2007 May-Jun;21(3):276-80. doi: 10.2500/ajr.2007.21.3024.
The aim of this study was to evaluate the incidence of and possible risk factors for residual diplopia after surgical repair of pure blowout fracture (BOF) of the orbit.
Sixty-three patients with pure orbital BOFs who had preoperative symptomatic diplopia were investigated. In each patient, the relationship of residual diplopia and the following factors were analyzed: (1) timing of surgery, (2) presence of enophthalmos, (3) site of fracture, (4) type of fracture, (5) extraocular muscle swelling, and (6) surgical method.
Fifty-five (87.3%) of 63 patients experienced improvement in diplopia and 8 (12.7%) patients had residual symptomatic diplopia after surgery. Of the six factors, only swelling of extraocular muscle on computed tomography (CT) scan was significant for the development of residual diplopia after surgery (p < 0.01).
In pure BOF of the orbit, patients who have swelling of the extraocular muscles on CT scan are more likely to have residual postoperative diplopia.
本研究旨在评估眼眶单纯性爆裂骨折（BOF）手术修复后残余复视的发生率及可能的危险因素。
对63例术前有症状性复视的眼眶单纯性BOF患者进行调查。分析每位患者残余复视与以下因素的关系：（1）手术时机；（2）眼球内陷的存在情况；（3）骨折部位；（4）骨折类型；（5）眼外肌肿胀情况；（6）手术方法。
63例患者中55例（87.3%）复视有所改善，8例（12.7%）患者术后仍有症状性残余复视。在这六个因素中，只有计算机断层扫描（CT）显示眼外肌肿胀对术后残余复视的发生有显著影响（p<0.01）。
在眼眶单纯性BOF中，CT扫描显示眼外肌肿胀的患者术后更易出现残余复视。
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