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. ConclusionsBilateral 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.
Objective To establish a simple, valid rat orthotopic left lung transplantation model with the improved operation technique. Methods One hundred and thirty-six male SD rats were randomly divided into donor （n = 68） and recipient （n = 68）, transplantation were performed by using the improved cuff anastomosis technique. Results Time of donor lung perfusion-picking, donor lung vessel cuff anastomosis and recipient vessel anastomosis was 13±2 min, 9±1 min, 10±1 min respectively, the operative time was 60±3 min. In 68 rats of operations, successful rate was 88%（60/68）, anastomotic stoma leak in one rat, lung congestion 3 rats, lung atelectasis 4 rats. The shortest survival time was 1 day, there were 53 rats whose survival time was longer than 12 days. The chest computed tomography showed no atelectasis and blood gas analysis manifested good respiratory function. Conclusion The improved three cuff anastomosis technique offers a simple, valid, cheap and useful method,it can establish rat orthotopic left lung transplantation model successfully.
ObjectiveTo investigate the epidemiology, etiology and prognosis of pneumonia in lung transplantation recipients. MethodsWe retrospectively analyzed the follow-up data of 42 case times (40 patients) of allogenic lung transplantation between March 2005 and August 2014. There were 29 males and 11 females with a mean age of 52.4±13.8 years. There were 32 case times with double lung transplantation, and 10 case times with single lung transplantation. Two patients underwent lung transplantation twice at an interval of 6.5 years and 4.0 years, respectively. ResultsIn 42 case times of lung transplantation, 26 case times had forty-two episodes of pneumonia throughout the follow-up period of median 146 days (range 3 to 2 704 days). Microbiological etiology was established in 36 case times of pneumonia. Bacterial pneumonia (68.1%) was more frequent than fungal (10.6%) and viral pneumonia (8.5%). The cumulative risk of a pneumonia episode increased sharply in the first 30 days after transplantation. A percentage of 38.1% of total pneumonia episodes occurred within 30 days after transplantation, predominately due to Gram negative bacilli. While pneumonia of gram-negative bacilli occurred earliest with a median of 20 days (range 8-297 days). pneumonia caused by viruses (283 days, range 186-482 days) appeared significantly later than gram-negative bacilli, and unknown etiology (44.5 days, range 3-257 days) (P=0.001 and P=0.019, respectively). The survival rate in 1 year, 3 years, and 5 years was 66.1%, 56.3%, and 36.2%, respectively. pneumonia episode within 30 days after lung transplantation was associated remarkably with mortality risk (P=0.03) in lung transplantation recipients. The total blood loss during transplantation procedure and post-transplantation intubation time were associated significantly with early onset of pneumonia (≤30 days) by univariate analysis. ConclusionRecognition of epidemiology, etiology and chronology of post-transplantaion pneumonia has implications relevant for appropriate management and optimal antibiotic prescription in lung transplantation recipients.
With the deepening of current study and the innovation of perioperative management concept, there have been great advances in lung transplantation in recent years. The prognosis of patients has been significantly improved. At the same time, the role of various types of blood purification in the clinical monitoring and treatment of lung transplant patients is becoming increasingly prominent. This review aims to summarize the application and latest progress of in vitro blood purification such as renal replacement therapy, plasmapheresis and hemadsorption in the perioperative period of lung transplantation, and to provide a basis for further study.
[Abstract]It is an effective way of constructing a lung transplantation quality control system suitable for China's national conditions to break through the many dilemmas in China. Under the leadership of the National Quality Control Center, a stage-by-stage and full-scale quality control system for lung transplantation in China has been gradually constructed and extended to many lung transplantation centers nationwide, which has strongly promoted the development of lung transplantation in China. This article outlines the construction, promotion and experience of China's lung transplantation quality control system, aiming to provide reference for further development of relevant measures to promote the homogenization of lung transplantation in China.
ObjectiveTo analyze the benefits of lung transplantation in the treatment of interstitial lung disease (ILD) and investigate its prognostic factors.MethodsThe clinical data of patients diagnosed with ILD and meet the lung transplantation criteria were retrospectively analyzed from January 2012 to December 2017 in the First Affiliated Hospital of Guangzhou Medical University. A total of 111 patients, 88 males and 23 females, aged (58.3±11.4) years old, were divided into lung transplantation group and non-lung transplantation group. Clinical data and prognosis of the two groups were compared and the factors affecting the prognosis of lung transplantation were analyzed with relevant literatures. Results There were 56 patients in lung transplantation group and 55 patients in non-lung transplantation group. The mainly underlying disease of both groups were idiopathic pulmonary fibrosis (IPF). There was no significant difference in age, body mass index, arterial partial pressure of oxygen, percentage of forced vital capacity in the estimated value, percentage of diffusing capacity of the lung for carbon monoxide in the estimated value, six-minute walk distance between the two groups (P>0.05). The pulmonary arterial hypertension and arterial partial pressure of carbondioxide were higher in lung transplantation group than non-transplantation group (P<0.05). The 1-year survival rate in the lung transplantation group was significantly higher than that in the non-lung transplantation group: 77.4% vs. 32.7% (P<0.01). COX regression analysis showed that preoperative ventilator dependence, serum creatinine, bilirubin, pulmonary artery pressure, and procedures (single lung vs. double lung) had no significant effect on the prognosis of lung transplantation; age and preoperative diabetes mellitus were risk factors for the prognosis of lung transplantation.ConclusionsLung transplantation can significantly improve the prognosis of patients with ILD who are refractory to medicine therapy. IPF patients should be advised to consider lung transplantation as soon as possible. Age and preoperative diabetes mellitus are risk factors for the prognosis of lung transplantation.
Objective To investigate the suppression effect and mechanism of Astilbin on lung allograft rejection in rats, in order to know the function of Astilbin on rats’ lung acute rejection. Methods The model of rat left lung transplantation was set up. Sixty lung transplanted rats were divided into two groups randomly, control group: rats were fed with normal saline 1ml per day, experimental group: rats were fed with Astilbin 1mg/kg per day. Survival time, transforming rate of T cells in spleen, activity of interleukin 2 (IL-2) in spleen lymph cells and apoptosis of T cells were observed. Changes in ultrastructure of pulmonary arteries were observed by electron microscope. Results The survival time in experimental group was prolonged than that in control group (25.4±2.1 d vs. 13.4±1.2 d;t=2.042, Plt;0.05）. Transforming rate of T cells of spleen in experimental group was significant lower than that in control group (23 465.8±8 783.4 cpm vs. 74 567.3±12 874.6 cpm; t=2.284，Plt;0.05）.Activity of IL-2 of spleen lymph cells in experimental group was significant lower than that in control group (425±2.65U/ml vs. 23.46±1.82U/ml; t=3.165, Plt;0.01).Effectively derive apoptosis of activated T cells in acute rejection were observed in experimental group, the ultrastructure of pulmonary arteries showed attenuated injury in experimental group. Conclusion Astilbin decreased the IL-2 concentration in plasma and induced the apoptosis in activated T cells, then suppressed the acute rejection of lung allograft and prolonged the survival period of lung transplantation rats.
Objective To assess the effects of lung transplantation (LT) in the treatment of end-stage pulmonary arterial hypertension (PAH) and evaluated its impact on quality of life (QoL). Methods A total of 54 patients with end-stage PAH admitted to the LT center of Wuxi People’s Hospital between January 2007 and June 2019 were retrospectively analyzed. The patients were divided into surgical and non-surgical groups. Clinical data were compared between the groups. The clinical data such as symptoms, signs, biochemistry, survival rate and quality of life were compared between the two groups. The effects of lung transplantation on survival and quality of life were analyzed. The quality of life was scored by SF-36 scale. Results A total of 54 patients with end-stage pulmonary arterial hypertension who met the indications for lung transplantation were enrolled. Among them, 36 patients underwent lung transplantation and 18 patients did not undergo surgery. There were no statistical differences in gender, course of disease, disease type, symptoms between the two groups. The uric acid of the non-operation group was significantly higher than that of the lung transplantation group (P=0.014). The systolic pulmonary artery pressure (SPAP) of the non-operation group was significantly lower than that of the lung transplantation group (P=0.046). Kaplan-Meier survival curve showed that the survival rate of the operation group was higher than that of the non-operation group (P=0.0087). The quality of life assessment showed that after lung transplantation, the physical component summary and mental component summary scores of operation group were higher than those before operation (P<0.01), and also higher than non-operation group in the same period (P<0.05). Preoperative low systemic circulation blood pressure, poor cardiac function, high NT-proBNP and high uric acid may be the risk factors for early death of patients with pulmonary arterial hypertension after lung transplantation. Conclusions Lung transplantation can effectively improve survival and also QoL for patients with end-stage PH. Early detection of risk factors and preoperative assessment can help improve the perioperative survival.
Lung transplantation has been the only valid method in treating end-stage lung diseases, airway complications are the main cause to the failure of surgery and common postoperative complications. With the development on patient selection, organ preservation, surgical technique, immunosuppressive therapy and postoperative surveillance, the successful ratio of surgery has become most satisfactory. However, airway complications are still common after lung transplantation. Among these, the airway anastomosis stenosis is more predominant than others. The living quality and long-dated survival rate are highly improved by paying enough attention to the formation,corresponding management for tracheal stenosis. The progress of the cause, prevention and treatment of airway anastomosis stenosis after lung transplantation is reviewed in this article.
ObjectiveTo investigate the risk factors of dysphagia in lung transplant recipients through meta-analysis. MethodCohort studies and case-control studies on risk factors for dysphagia after lung transplantation in Science, Scopus and ProQuest databases were searched from the establishment of the database to July 2023. After literature screening, data extraction and quality evaluation, Meta-analysis was performed using Rev Man 5.4 and Stata17.0 software. Results12 literatures were included, and the results of meta-analysis showed: The incidence of dysphagia in lung transplant recipients was 67% (95%CI 0.59~0.75, I2 =92.44%, P<0.001). There were three risk factors for dysphagia in lung transplant recipients, namely, reintubation (OR=5.34, 95%CI 3.07~9.28, I2 =0%, P<0.001), mechanical ventilation (OR= 4.25, 95%CI 2.95~6.12, I2 =0%, P<0.001), extracorporeal life support (OR=2.13, 95%CI 1.69~2.67, I2 =0%, P<0.001).ConclusionsLung transplant recipients with re-intubation, mechanical ventilation and extracorporeal life support are more likely to have dysphagia after surgery. Nursing staff can combine risk factors and formulate targeted nursing measures to reduce the incidence of dysphagia after lung transplantation.