LI Jiawei 1 , WANG Yifeng 1 , LIU Min 1 , CHEN Jingyu 2 , XU Hongyang 1
  • 1. Department of Critical Care Medicine, Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu 214023, P. R. China;
  • 2. Lung Transplantation Center, Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu 214023, P. R. China;
XU Hongyang, Email: xhy1912@aliyun.com
Lung transplantation; single lung transplantation; double lung transplantation; chronic obstructive pulmonary disease; retrospective study
10.7507/1671-6205.202208069
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Objective  To compare outcomes after single versus bilateral lung transplantation in patients with end-stage chronic obstructive pulmonary disease (COPD) with retrospective cohort study, and to provide a reference for surgical selection. Methods  One hundred and two patients with end-stage COPD who received lung transplantation in Wuxi People's Hospital affiliated to Nanjing Medical University from January 2010 to May 2019 were evaluated, including 97 males and 5 females, aged from 42 to 82 years, with an average age of (59.8±8.0) years. Recipients were divided into single lung transplantation (SLT) group (31 cases) and bilateral lung transplantation (BLT) group (71 cases). Preoperative characteristics, postoperative outcomes, postoperative complications, functional improvement and survival between the two groups were analyzed retrospectively. Results  The SLT group were significantly older than the BLT group [(62.6±8.8) years vs. (58.6±7.4) years, P<0.05], which was consistent with the practice mode of single lung transplantation in the elderly patients in this center. The FEV1% predicted and the six‐minute walk distance (6-MWD) in the BLT group were better than those in the SLT group (P<0.05). The cumulative survival rate in 1, 3 and 5 years after operation in the BLT group was higher than that in the SLT group (70.4%, 63.2%, 61.5%, respectively vs. 67.7%, 58.1%, 54.6%, respectively), but there was no statistical difference (P=0.388). The two groups were comparable in other preoperative clinical data (P>0.05). The cold ischemia time and total operation time were shorter in the SLT group than in the BLT group, and the intraoperative blood loss was less than that in the BLT group, but more patients required intraoperative extracorporeal membrane oxygenation support than the BLT group (P<0.05). There were no significant differences in postoperative ventilator support, reoperation, length of intensive care unit stay, postoperative hospital stay, and perioperative mortality (P>0.05). In terms of postoperative complications, the incidence of primary graft dysfunction grades 3 was higher in the SLT group than in the BLT group (35% vs. 8%, P=0.001). There were no significant differences between the two groups in chest complications, airway complications, acute rejection, infection, and bronchial occlusion syndrome (P>0.05). Nine patients (29%) developed acute native lung hyperinflation in the SLT group. Conclusions Bilateral lung transplantation is superior to single lung transplantation in the treatment of end-stage COPD. The advantage is mainly reflected in the simple perioperative management, better functional improvement after operation. Single lung transplantation as a beneficial supplement to double lung transplantation should still be considered in selected patients.

Citation： LI Jiawei, WANG Yifeng, LIU Min, CHEN Jingyu, XU Hongyang. Comparison of single and bilateral lung transplantation in the treatment of end-stage chronic obstructive pulmonary disease. Chinese Journal of Respiratory and Critical Care Medicine, 2022, 21(8): 565-571. doi: 10.7507/1671-6205.202208069 Copy

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