RESUMO
Objective:To investigate the clinical application effects of leukocyte-filtered blood transfusions.Methods:A total of 120 patients with massive bleeding who received transfusions of a large amount of blood in the First People's Hospital of Yongkang, China from January 2017 to December 2018 were included in this study. They were divided into a control group (even numbers) and an observation group (odd numbers) according to registration numbers. The control group was subjected to direct blood transfusion. The observation group was given leukocyte-filtered blood transfusions. Coagulation function index, hemorheological index, cellular immune function, immunoglobulin level, body temperature, and the incidence of febrile non-hemolytic transfusion reactions were compared between the two groups.Results:After blood transfusions, prothrombin time, activated partial thromboplastin time, thrombin time in the observation group were (12.39 ± 1.41) seconds, (26.84 ± 6.47) seconds, and (14.32 ± 3.14) seconds, which were significantly shorter than those in the control group [(15.54 ± 2.03) seconds, (34.23 ± 7.59) seconds, (20.98 ± 4.27) seconds, t = 9.872, 5.740, 9.733, all P < 0.05]. Hematocrit, erythrocyte sedimentation rate, and plasma viscosity in the observation group were (39.28 ± 2.17)%, (25.97 ± 4.10) mm/h, and (2.19 ± 0.45) mp·s respectively, and those in the control group were (34.64 ± 4.52)%, (21.85 ± 3.64) mm/h, and (1.76 ± 0.42) mp·s respectively. There were significant differences in these indices between the two groups ( t = 9.87, 5.74, 9.73, all P < 0.05). There were significant differences in CD 3+, CD 4/CD 8, immunoglobulin G, immunoglobulin A, and immunoglobulin M between before and after blood transfusions in the control group ( t = 5.99, 5.91, 5.77, 5.80, 5.85, all P < 0.05). There were no significant differences in these indices between before and after blood transfusions in the observation group (all P > 0.05). After blood transfusions, body temperature was significantly lower in the observation group than in the control group [(36.58 ± 0.50) ℃ vs. (37.16±0.57)℃, t = 5.95, P < 0.05]. The incidence of febrile non-hemolytic transfusion reactions was significantly lower in the observation group than in the control group (1.67% vs. 13.33%, χ2 = 5.88, P < 0.05). Conclusion:Leukocyte-filtered blood transfusions can effectively restore the patient's body temperature to normal, improve coagulation function index and hemorheological index, reduce the impact of blood transfusions on the patient's immune function, and reduce febrile non-hemolytic transfusion reactions.