Ramadan H H, Wax M A, Itani M
Department of Otolaryngology-Head and Neck Surgery, West Virginia University, Morgantown 26506-9200, USA.
Arch Otolaryngol Head Neck Surg. 1998 Mar;124(3):296-8. doi: 10.1001/archotol.124.3.296.
To evaluate the independent relationship of the Shaw scalpel on the development of facial nerve injury in patients undergoing superficial parotidectomy.
A retrospective review of 77 cases between 1991 and 1996. Forty-eight percent of the surgical procedures were performed using the Shaw scalpel, and 52% were performed using a cold knife. To assess whether use of the Shaw scalpel is an independent predictor of facial nerve injury, both univariate analysis and regression analysis were used in the statistical analysis of the data.
Fifty-four percent of the patients who underwent a parotidectomy in which the Shaw scalpel was used developed postoperative facial weakness, compared with 14% of those who underwent a cold knife parotidectomy (P=.002).
Multivariate analysis revealed that use of the Shaw scalpel represents an independent risk factor for development of facial nerve weakness after parotidectomy (P=.01), even after other risk factors are controlled for.
评估在进行腮腺浅叶切除术的患者中，肖氏手术刀与面神经损伤发生之间的独立关系。
回顾性分析1991年至1996年间的77例病例。48%的手术操作使用肖氏手术刀，52%的手术操作使用冷刀。为评估使用肖氏手术刀是否是面神经损伤的独立预测因素，在数据统计分析中采用了单因素分析和回归分析。
使用肖氏手术刀进行腮腺切除术的患者中，54%出现术后面部无力，而使用冷刀进行腮腺切除术的患者中这一比例为14%（P = .002）。
多因素分析显示，即使在控制了其他风险因素后，使用肖氏手术刀仍是腮腺切除术后发生面神经无力的独立危险因素（P = .01）。
