| Infraorbital Nerve Hypesthesia after Inferior Orbital Wall Fracture and Reconstruction Surgery. |
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Youngje Sung, Byeong Jun Lee, Helen Lew |
1Department of Ophthalmology, CHA Bundang Medical Center, CHA University, Seongnam, Korea. eye@cha.ac.kr
2CHA Medical Graduate School, Seongnam, Korea. |
| 안와하벽골절정복술 후 얼굴피부감각 변화에 관한 연구 |
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성영제1⋅이병준2⋅유혜린1 |
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차의과학대학교 분당차병원 안과학교실1, 차의과학대학교 의학전문대학원2 |
Correspondence:
Helen Lew,
Email: eye@cha.ac.kr
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Received: 13 October 2016 • Revised: 1 February 2017 • Accepted: 18 March 2017 |
| Abstract |
PURPOSE
To report the incidence of infraorbital nerve hypesthesia after inferior orbital wall fracture and reconstruction surgery and analyze the duration and factors to influence the occurence of the infraorbital nerve hypesthesia. METHODS: From March, 2001 to March, 2016, the medical records of 171 patients with isolated orbital floor fracture reconstructed with porous polyethylene or titanium mesh was analyzed retrospectively. Injury mechanism, fracture type, time interval to surgery, fracture size, type and thickness of implant were analyzed. Orbit computed tomography scan was performed at preoperative and postoperative 6 weeks. RESULTS: Mean age was 30.4 years (male:female = 130:41). The mean time interval to surgery was 9.5 days. Incidence of infraorbital hypesthesia was 9.9% preoperatively, 38% in a week of surgery, 13.5% in 6 weeks and 5.8% in 6 months. Infraorbital hypesthesia lasts 20.5 weeks and the length of infraorbital canal was the only risk factor of persistent infraorbital hypesthesia. CONCLUSIONS: Postoperative infraorbital nerve hypesthesia presents in a week in most patients. It last about 20.5 weeks, then mostly recovers in 6 months. This study will be useful to predict the clinical course of the patients with infraorbital nerve hypesthesia. Therefore, full explanation about the facial sense change is necessary for the patients with inferior orbital wall fracture. |
| Key Words:
Inferior orbital wall fracture;Infraorbital hypesthesia;Infraorbital nerve |
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