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Objectives: There is little research on the rate and risk factors for revision tonsillectomy after primary intracapsular tonsillectomy. Our study aimed to determine the revision rate following intracapsular tonsillectomy, identify patient characteristics that may increase the probability of revision surgery, and report the tonsillar hemorrhage rate after revision., Study Design: Level III, retrospective case-control study., Setting: A tertiary care pediatric center (Alfred I. duPont Hospital for Children, Wilmington, Delaware)., Methods: A case-control study of pediatric patients who underwent intracapsular tonsillectomy between January 1, 2004, and December 31, 2018, was performed. Patients aged 2 to 20 years were analyzed and compared with matched controls who underwent intracapsular tonsillectomy within 7 days of the same surgeon's case. In total, 169 revision procedures were included with 169 matched controls., Results: A 1.39% revision rate was observed among a total of 12,145 intracapsular tonsillectomies. Among the 169 patients who underwent a revision procedure, the mean time between cases was 3.5 years. Tonsillitis was the most common diagnosis prompting revision tonsillectomy. Four (2.4%) patients underwent operative control of a postoperative tonsillar hemorrhage after revision surgery. Younger patients ( P < .001) and patients with a history of gastroesophageal reflux disease ( P = .006) were more likely to undergo revision tonsillectomy., Conclusion: Patients below age 4 years and patients with gastroesophageal reflux disease may be at increased risk of undergoing revision tonsillectomy after primary intracapsular tonsillectomy. These factors should be considered when selecting an intracapsular technique for primary tonsillectomy in pediatric patients.

Objective: To investigate if a history of venous thromboembolism (VTE) is a risk factor for complications in head and neck free flap surgery by assessing outcomes among patients with a history of deep vein thrombosis (DVT) and/or pulmonary embolism (PE)., Study Design: Retrospective cohort study., Setting: Single tertiary care center., Methods: All patients undergoing head and neck free flap reconstruction at our institution between September 1, 2006, and April 2, 2020, were assessed for inclusion. Patients with and without a history of DVT or PE preoperatively were identified and grouped for comparison. Groups were compared for demographics, comorbidities, and 30-day complications. Significance was assessed with chi-square and binary logistic regression analyses., Results: Of the 1061 patients meeting inclusion criteria, 40 (3.8%) had a history of VTE. These patients were significantly older (mean [SD], years: 67.8 [11.7] vs 63.0 [14.1], P = .038) and significantly more likely to have history of chemotherapy (35.0% vs 18.7%, P = .010) and stroke (27.5% vs 4.5%, P < .001). After accounting for patient characteristics via binary logistic regression, VTE was independently associated with an increased risk for postoperative thrombosis of the free flap pedicle (odds ratio [95% CI] = 3.65 [1.12-11.90], P = .032) and reoperation (2.45 [1.25-4.80], P = .009). Patients with history of PE had a significantly increased risk for flap failure (7.70 [1.77-33.52], P = .007). Prior VTE was not independently associated with an increased risk for medical complications or readmission., Conclusion: Patients with a history of VTE may be at an increased risk for free flap compromise secondary to postoperative pedicle thrombosis. This risk should be considered in preoperative workup and postoperative monitoring.