Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons · 2021
Predictors of Sialocele or Salivary Fistula After Partial Superficial Parotidectomy for Benign Parotid Tumor: A Retrospective Study.
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Liu Yanbin, Yuan Wei, Sun Haibin, Su Ming, Kong Xiangpan, Huang Xin
Аннотация
PURPOSE: Partial superficial parotid (PSP) resection is the mainstay of treatment for benign parotid tumor. Unfortunately, the post-surgical formation of sialocele or salivary fistula is a well-recognized complication of parotid surgery. The aim of this study was to determine the predictors of sialocele or salivary fistula after PSP resection for parotid benign tumor.
METHODS: This retrospective cohort study includes patients who underwent PSP resection for benign parotid tumors from January 1, 2015 to December 31, 2019. The predictor variables were demographic data, systemic disease, smoking history, tumor size and type, surgical approach, and area. The outcome variables were the occurrence of sialocele or salivary fistula after PSP resection. Each possible risk factor was then examined using univariate analysis. Variables associated with sialocele or salivary fistula in the univariate analysis were then included in a multiple logistic regression model, and analyzed for possible factors related to the occurrence of sialocele or salivary fistula after partial superficial parotid resection.
RESULTS: The sample was composed of 872 subjects with a mean age of 51.0 ± 8.3, and 59.5% were male. The frequency of sialocele or salivary fistula after partial superficial parotid resection was 10.4% (n = 92). Based on the multiple logistic regression model, hypertension and location of the lesion were associated with sialocoele formation. Hypertension was associated with a decreased risk for the formation of sialocele or salivary fistula (ORs = 0.6, 95% CI = [0.4,1.003], P = .051). When compared the superior lesions, anterior lesions were associated with a decreased risk for the formation of sialocele or salivary fistula (ORs = 0.32, 95% CI = [0.111,0.92], P = .034) and lesions in the middle were associated with an increased risk for sialocele or salivary fistula development (ORs = 2.315,95% CI = [1.199,4.469], P = .012).
CONCLUSIONS: The incidence of sialocele or salivary fistula development was 10.4% in patients undergoing partial superficial parotidectomy in this study. Moreover, middle and anterior tumor location was shown to increase sialocele or salivary fistula risk.
METHODS: This retrospective cohort study includes patients who underwent PSP resection for benign parotid tumors from January 1, 2015 to December 31, 2019. The predictor variables were demographic data, systemic disease, smoking history, tumor size and type, surgical approach, and area. The outcome variables were the occurrence of sialocele or salivary fistula after PSP resection. Each possible risk factor was then examined using univariate analysis. Variables associated with sialocele or salivary fistula in the univariate analysis were then included in a multiple logistic regression model, and analyzed for possible factors related to the occurrence of sialocele or salivary fistula after partial superficial parotid resection.
RESULTS: The sample was composed of 872 subjects with a mean age of 51.0 ± 8.3, and 59.5% were male. The frequency of sialocele or salivary fistula after partial superficial parotid resection was 10.4% (n = 92). Based on the multiple logistic regression model, hypertension and location of the lesion were associated with sialocoele formation. Hypertension was associated with a decreased risk for the formation of sialocele or salivary fistula (ORs = 0.6, 95% CI = [0.4,1.003], P = .051). When compared the superior lesions, anterior lesions were associated with a decreased risk for the formation of sialocele or salivary fistula (ORs = 0.32, 95% CI = [0.111,0.92], P = .034) and lesions in the middle were associated with an increased risk for sialocele or salivary fistula development (ORs = 2.315,95% CI = [1.199,4.469], P = .012).
CONCLUSIONS: The incidence of sialocele or salivary fistula development was 10.4% in patients undergoing partial superficial parotidectomy in this study. Moreover, middle and anterior tumor location was shown to increase sialocele or salivary fistula risk.