腭大管的高分辨率计算机断层扫描分析
High-resolution computed tomography analysis of the greater palatine canal.
作者信息
Das Subinoy, Kim Doil, Cannon Trinitia Y, Ebert Charles S, Senior Brent A
机构信息
Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7070, USA.
出版信息
Am J Rhinol. 2006 Nov-Dec;20(6):603-8. doi: 10.2500/ajr.2006.20.2949.
BACKGROUND
The greater palatine foramen injection is effective for minimizing bleeding during sinus surgery. The correct depth is important to minimize risk of orbital penetration. This study analyzed the length of the greater palatine canal using high-resolution computed tomography (HRCT).
METHODS
HRCT sinus scans from 100 adults were analyzed. One thousand two hundred measurements were performed by three observers.
RESULTS
The mean distance of the greater palatine foramen to the orbital floor was 40+/-3 mm in men and 37+/-3 mm in women (range, 32-46 mm). The mean distance of the greater palatine foramen to the sphenopalatine foramen was 28+/-2 mm in men and 27+/-2 mm in women (range, 23-33 mm).
CONCLUSION
The greater palatine foramen injection is an appropriate method to minimize bleeding during endoscopic sinus surgery. The authors recommend an injection depth of 25 mm in adults to minimize the risk of intraorbital complications.
背景
腭大孔注射对于减少鼻窦手术中的出血有效。正确的深度对于将眶穿透风险降至最低很重要。本研究使用高分辨率计算机断层扫描（HRCT）分析了腭大管的长度。
方法
分析了100名成年人的HRCT鼻窦扫描。由三名观察者进行了1200次测量。
结果
男性腭大孔至眶底的平均距离为40±3毫米，女性为37±3毫米（范围32 - 46毫米）。男性腭大孔至蝶腭孔的平均距离为28±2毫米，女性为27±2毫米（范围23 - 33毫米）。
结论
腭大孔注射是在内镜鼻窦手术中减少出血的一种合适方法。作者建议成人注射深度为25毫米，以将眶内并发症的风险降至最低。
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