Evaluation of post-tonsillectomy hemorrhage and assessment of risk factors
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LARYNGOLOGY
Evaluation of post‑tonsillectomy hemorrhage and assessment of risk factors Ana Isabel Gonçalves1 · Catarina Rato1 · Ditza de Vilhena1 · Delfim Duarte1 · Gustavo Lopes1 · Nuno Trigueiros1 Received: 27 April 2020 / Accepted: 13 May 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Purpose Tonsillectomy is one of the most common surgical procedures in otorhinolaryngology. Hemorrhage in the postoperative period has an incidence of up to 20% and is a potentially fatal complication. We aim to assess the incidence of hemorrhage after tonsillectomy in our institution, and to evaluate and identify the possible associated risk factors. Methods This retrospective study included 897 patients who underwent tonsillectomy between January 2015 and December 2018, 50.7% women and 49.3% men, aged between 2 and 83 years. No coagulopathies were identified. Comparison of age, gender, surgical indication, coagulation profile, concomitant adenoidectomy, surgical technique, surgeon’s experience and hemostasis method between groups with and without post-operative bleeding was made. Results Our incidence of post-tonsillectomy hemorrhage was 6%. Most patients (83.3%) had secondary bleeding (> 24 h after surgery). In 22.2% of the bleeding cases, it was necessary to revise the hemostasis in the operating room. Adulthood (age ≥ 18 years) (p
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