Cuestionario de sangrado preoperatorio en pacientes sometidos a amigdalectomía y/o adenoidectomía

introduction: it is reported between 1%% and 6%% of post-tonsillectomy hemorrhage and / or adenoidectomy. the literature discusses the real usefulness of routine hemostasis tests. standardized questionnaires bleeding could define who make a study of post-tonsillectomy bleeding bleeding to predict and/or adenoidectomy. aim: to determine the usefulness of a preoperative questionnaire to assess history of bleeding and routine coagulation tests to predict bleeding associated with tonsillectomy and/or adenoidectomy. material and method: we performed a prospective cohort study in the department of otolaryngology, hospital barros luco. we included patients undergoing tonsillectomy and / or adenoidectomy, with guest under 18 years between january 2008 and june 2010. we used chisquare, fisher, student t test as appropriate for the analysis of the groups. statistical significance was p <0.05. results: we reviewed 951 records of patients operated in the study period, a total of 1288 surgeries (73.8%%). 65 were excluded due to incomplete information and 272 without questionnaire. the mean (sd) age was 7.70 + 3.5years (range: 1 to 18 years). 54%% of patients were male. the frequency of bleeding was 2.6%%. the ratio of ratios (or) for age was 1.11 (95%% c11.01 to 1.23) for chronic tonsillitis was 2.56 (95%% c11.15 to 5.69). the tests showed a sensitivity of 4%% and positive predictive value of 3%%. the preoperative bleeding questionnaire had a sensitivity of 24%% and positive predictive value of 3%%. discussion: the low positive predictive value of the questionnaire and examinations (3%%) was associated with low prevalence of bleeding and other factors involved in postoperative bleeding. the questionnaire had a greaterability to detectpostoperative bleeding (24%%). the use of the questionnaire represents a reliable tool that tests, but less expensive and less traumatic. altered to a questionnaire study should be performed by complete blood specialist. conclusions: the preoperativ