Superficial parotidectomy versus partial superficial parotidectomy: A comparison of complication rates, operative time, and hospital stay

Publication date: Available online 7 April 2018
Source:Journal of Oral and Maxillofacial Surgery
Author(s): Ahmet Erdem Kilavuz, Murat Songu, Ercan Pinar, Yilmaz Ozkul, Sedat Ozturkcan, Ibrahim Aladag
PurposeThe type and extent of surgery for benign parotid tumors is a subject of debate. The investigators aimed to measure and compare hospital stay, operative time, and complications rates associated with superficial parotidectomy (SP) and partial superficial parotidectomy (PSP).MethodsThis retrospective cohort study included all patients who underwent surgery for benign parotid gland tumors in our tertiary center between January 2006 and March 2014, and were followed up for at least 3 years. The predictor variable was the type of parotidectomy, and the main outcome parameters were operative time, hospital stay, and postoperative complications. The demographic characteristics (age, sex), clinical history, and preoperative findings were obtained from patient records. The Kolmogorov–Smirnov, Mann–Whitney U test and chi-square test were used to analyze the data. P values <0.05 were considered statistically significant.ResultsThe sample was composed of 321 patients (184 males and 137 females) with a mean age of 54.0±14.7 years (range, 18–87 years). Of those, 190 underwent SP and 131 patients underwent PSP. Pleomorphic adenoma was the most common tumor (83 patients, 53%), followed by Warthin's tumor (50 patients, 32%). The mean hospital stay was 6.7±2.3 days in the SP group and 4.8±2.4 days in the PSP group (p=0.000). The mean operative times in the SP and PSP groups were 134.0±24.6 and 92.1±21.9 min, respectively (p = 0.000). The overall complication rates were 21.6 and 12.2% in the SP and PSP groups, respectively (p = 0.031). No tumor recurrence was observed in either group.ConclusionCompared to the SP group, the PSP group had shorter operative and hospital stay durations and fewer postoperative complications with a comparable recurrence rate. Therefore, PSP should be considered in suitable cases.



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