[Correlation between Serum Ferritin Levels and the Efficacy of Platelet Transfusion in Patients with Malignant Hematological Diseases].
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OBJECTIVE: To explore the correlation between serum ferritin (SF) levels and the efficacy of platelet transfusion in patients with malignant hematological diseases. METHODS: Patients with malignant hematological diseases who received repeated transfusions of apheresis platelets in Department of Hematology of Aerospace Center Hospital in 2023 were selected. The platelet corrected count increment (CCI) was used to evaluate the efficacy of platelet transfusion. The correlations between sex, age, disease type, transplantation history, red blood cell transfusion history, and SF level and the efficacy of platelet transfusion were analyzed. RESULTS: A total of 87 patients were included, with a cumulative 326 person-times platelet transfusions. As suggested by one-way analysis of variance, compared with the patients in the age groups of 24-45 years old and 46-66 years old, the patients in the age group of 2-23 years old had a better efficacy of platelet transfusion (P =0.004, P =0.004). There was no significant difference in the efficacy of platelet transfusion between the patients in the age group of 24-45 years old and those in the age group of 46-66 years old (P =0.876). Compared with the patients who had a history of red blood cell transfusion within 3 days, the patients without a history of red blood cell transfusion within 3 days had a better efficacy of platelet transfusion (P < 0.001). Compared with the groups with SF levels of 1.44-2.78 ng/L and >2.78 ng/L, the group with SF levels < 1.44 ng/L had a better efficacy of platelet transfusion (P =0.028, P < 0.001). Compared with the group with SF levels >2.78 ng/L, the group with SF levels of 1.44-2.78 ng/L had a better efficacy of platelet transfusion (P =0.001). After adjusting for age and the history of red blood cell transfusion, the transfusion efficacy of the group with SF levels < 1.44 ng/L was better than that of the groups with SF levels of 1.44-2.78 ng/L and >2.78 ng/L (P =0.021, P < 0.001); Compared with the group with SF levels >2.78 ng/L, the group with SF levels of 1.44-2.78 ng/L had a better efficacy of platelet transfusion (P =0.001). Both univariate and multivariate linear regression models showed that SF levels were negatively correlated with the efficacy of platelet transfusion (P < 0.001). CONCLUSION: There is a negative correlation between SF levels and the efficacy of platelet transfusion in patients with malignant hematological diseases. Detection of SF levels may provide guidance for predicting the efficacy of platelet transfusion.