Özet:

Objective: Post-tonsillectomy hemorrhage (PTH) is one of the most common sources of postoperative morbidity especially in children. Gender, age, tonsillectomy indication, surgical technique, surgeon’s skill level, INR (International Normalized Ratio) and aPTT (activated Partial Thromboplastin Time) values, localized and systemic conditions have been described as risk factors for PTH. This study focuses on determining the effect mean platelet volume (MPV) and red blood cell distribution width (RDW) levels have on PTH. Material and Methods: A retrospective, case-control study was conducted involving 40 patients with PTH and 40 patients without PTH. The patients who had diseases that might affect the levels of MPV or RDW, were excluded. Median MPV and RDW values were compared for the two groups. Results: The MPV median value was 7.73±0.93 fL in the hemorrhage group and 8.38±1.27 fL in the control group (p=0.038). The RDW median value was 15.4%±1.61 in the hemorrhage group and 14.6%±1.21 in the control group (p=0.007). It was determined that high RDW levels increased PTH and high MPV levels decreased PTH. Conclusion: Low MPV value and high RDW values can be useful in predicting the risk of PTH. However, more research is needed to better understand the association between RDW values, MPV values, and PTH.

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