1. 肺移植受者术后肺功能的变化特点.
- Author
-
蔡宇航, 练巧燕, 王晓华, 陈奥, 王璐琳, 杨雅兰, 徐钰, 何建行, and 巨春蓉
- Abstract
Objective To analyze the changes of postoperative pulmonary function in lung transplant recipients. Methods Clinical data of 81 recipients undergoing bilateral lung transplantation and combined heart-lung transplantation were collected, and postoperative status of the recipients was analyzed. Pulmonary ventilation and diffusion function indexes at 1 month, 3 months, every 3 months (3-18 months after lung transplantation) and every 6 months (18-36 months after lung transplantation) were analyzed in the recipients. The characteristics of the optimal pulmonary function in the recipients were assessed. Results Postoperative mechanical ventilation time was 4 (2, 9) d, and the length of postoperative ICU stay was 10 (7, 20) d. Among 81 recipients, 27 recipients developed primary graft dysfunction (PGD) after lung transplantation, with an incidence rate of 33%. Postoperative forced vital capacity (FVC) to predicted value ratio (FVC%pred), forced expiratory volume in one second (FEV1) to predicted value ratio (FEV1%pred), FEV1/FVC to predicted value ratio (FEV1/FVC%pred) and corrected diffusion lung capacity for CO to predicted value ratio (DLCOc%pred) were changed over time (all P<0.001). FVC%pred and FEV1%pred were gradually increased within postoperative 9 months, and DLCOc%pred was gradually elevated within postoperative 3 months (all P<0.05). Thirty-six recipients had FVC%predı80%, FEV1%predı80% in 41 cases, FEV1/FVC%predı92% in 76 cases, FVC%predİ40% in 1 case and FEV1%predİ40% in 1 case, respectively. Sixteen recipients had DLCOc%predı80%, corrected diffusion lung capacity for CO/alveolar volume to predicted value ratio (DLCOc/VA%pred) ı80% in 63 cases, DLCOc%predİ40% in 4 cases and DLCOc/VA%predİ40% in 1 case, respectively. Postoperative FVC%pred, FEV1/FVC%pred and DLCOc%pred in recipients with a primary disease of obstructive pulmonary disease were significantly higher than those in their counterparts with restrictive pulmonary disease (all P<0.05). Postoperative DLCOc%pred in recipients with PGD was significantly lower than that in those without PGD (P<0.05). Conclusions Pulmonary ventilation function in lung transplant recipients reaches the optimal state and maintains a steady state at postoperative 9 months, and pulmonary diffusion function reaches a steady state at postoperative 3 months. Primary diseases and the incidence of PGD may affect postoperative pulmonary function. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF