Objectives: Despite guidelines recommending no need for coagulation testing before surgeries when a history of bleeding is negative, surgeons still overuse it in this part of the world. We aim to measure unbiased estimates of hemostatic outcomes in ear, nose, and throat (ENT) surgeries and assess the surgeons’ behavior of preoperative coagulation testing. Methods: We enrolled all patients who underwent ENT surgeries from July 2017 to January 2018. The primary outcome was postoperative bleeding. Surgeons were asked about their decision on history alone or doing coagulation testing and their reason. Results: We recruited 730 patients; 372 were interviewed for a challenging bleeding history alone (group 1), and 358 had preoperative coagulation testing (group 2). Coagulation testing was repeated twice or more in 55.0% of patients, and more than half had coagulation factor and Von Willebrand factor assays. Most surgeons performed coagulation testing because of habitual practice. Conclusions: Almost half of the local surgeons consider coagulation testing as standard to evaluate bleeding risk before surgical procedures. This resulted in unnecessary delays in surgeries, parent/patient anxiety, and additional total cost. We recommend awareness campaigns for surgeons and the involvement of surgical societies to adhere to guidelines of detailed hemostatic history.
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