• 1. Department of Intensive Care Unit, Wuxi People’s Hospital Affiliated to Nanjing Medical University, Wuxi, 214023, Jiangsu, P. R. China;
  • 2. Department of Anesthesiology, Wuxi People’s Hospital Affiliated to Nanjing Medical University, Wuxi, 214023, Jiangsu, P. R. China;
XU Hongyang, Email: xhy1912@aliyun.com
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Objective  To investigate the impact of intraoperative red blood cell (RBC) transfusion volume on the postoperative oxygenation index in lung transplant recipients. Methods  This retrospective study analyzed the clinical data of patients who underwent lung transplantation at Wuxi People's Hospital Affiliated to Nanjing Medical University from 2021 to 2023. Patients were divided into a non-severe primary graft dysfunction (PGD) group and a severe PGD group based on whether their postoperative oxygenation index was>200 mm Hg at 0, 24, and 48 h. General patient data and intraoperative RBC transfusion volumes were compared between the two groups. A binary logistic regression model was constructed to explore the effect size (OR and its 95%CI) of RBC transfusion volume on postoperative oxygenation status at different time points (0, 24, and 48 h). The area under the receiver operating characteristic curve was calculated to evaluate the model's diagnostic performance. Results  A total of 351 patients were included (260 males, 91 females), with ages ranging from 20 to 77 years. The OR for the effect of intraoperative RBC transfusion on poor oxygenation was 1.486 (95%CI 0.982 to 2.248, P=0.061) at 0 h postoperatively, 3.111 (95%CI 1.793 to 5.399, P<0.001) at 24 h, and 1.583 (95%CI 1.026 to 2.442, P=0.038) at 48 h. This indicated that as time progressed, the postoperative oxygenation status of lung transplant recipients was affected by the intraoperative transfusion volume. Furthermore, an RBC transfusion volume>975 mLhad a significant impact on patient oxygenation at 24 and 48 h postoperatively. Conclusion  The volume of intraoperative RBC transfusion has a significant impact on the oxygenation status at 24 and 48 h postoperatively. Intraoperative RBC transfusion volume is associated with the occurrence of severe PGD after lung transplantation. Controlling the volume of RBC transfusion during lung transplantation may help reduce the incidence of severe PGD.

Citation: WANG Dapeng, XU Zhongping, LI Xiaoshan, ZHOU Tao, WANG Song, XU Hongyang. Effect of red blood cell transfusion volume on postoperative oxygenation index during lung transplantation. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2026, 33(1): 72-78. doi: 10.7507/1007-4848.202412014 Copy

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