Özet:

Objective: Tonsillectomy is one of the most common surgical operation performed by otorhinolaryngologists, with significantly reduced morbidity and mortality rates due to the operation in parallel with the advances in surgical technique and anesthesia. Posttonsillectomy hemorrhage (PTH) is one of the most common, most reported, and serious complication of tonsillectomy operations. In this context, the aim of this research is to synthesize and reveal a wide-ranging study through meta-analysis of studies examining the risk factors that may cause primary and secondary hemorrhage in patients who have undergone tonsillectomy surgery using data from relatively small samples. Material and Methods: In this study, a meta-analysis of a total of 12 studies on PTH risk factors was conducted. In this meta-analysis, the "effect size" criterion was used, which indicates how much a new method makes a difference compared to the old one. Results: As a result of the study, like the literature, the risk of PTH was found to be higher in men than in women in adults, in children under the age of 15, the difference between boys and girls was quite low. It is considered that fewer studies, especially for children under the age of 15, may influence this. In addition, studies have shown that secondary hemorrhage occurs. Conclusion: As a result of the study, it was determined that women experience PTH more frequently than men, and secondary PTH risk is higher than primary PTH.

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