Reduced risk of primary postoperative hemorrhage after tonsil surgery in Sweden: results from the National Tonsil Surgery Register in Sweden covering more than 10 years and 54,696 operations.
To analyze the incidence of primary bleeding following tonsil surgery and to evaluate risk factors.
Register study of the results from the National Tonsil Surgery Register in Sweden covering the period 1997 to 2008 and 54,696 operations.
Data were collected by means of three questionnaires, two filled in by professionals and one 6 months postoperatively by the patient/parent.
A total of 719 patients experienced primary postoperative bleeding during the hospital stay (1.3%). A number of independent factors were correlated with decreased risk of post-tonsillectomy hemorrhage: younger age (P