ObjectiveTo assess the impact of long-term atorvastatin (ATO) therapy on reducing recipient inflammation and immune response, thus lowering the risk of chronic lung allograft dysfunction (CLAD) in lung transplant recipients. This study aimed to investigate the effects of ATO on overall survival, lung function recovery, and its influence on inflammatory factors alongside azithromycin (AZI) prophylaxis. MethodsThis retrospective single-center study included lung transplant recipients from January 2017 to December 2022. Patients who survival >1 year after lung transplantation and who were receiving AZI prophylaxis for >6 months were selected. Outcome measures involved pulmonary function assessments at various time points after AZI treatment, complete blood cell analysis, and inflammatory factor evaluations. ResultsThe incidence of CLAD was significantly lower in the long-term ATO group compared with those not on ATO (P = .011). Long-term ATO treatment significantly delayed CLAD onset after lung transplantation (850 days vs. 630 days; P = .041), with patients showing notably enhanced lung function recovery within 6 months of AZI therapy compared with the non-ATO group. Neutrophil levels decreased in patients with CLAD, and interleukin-6 concentrations significantly decreased in the AZI + ATO group compared with the AZI group. Overall patient survival was significantly better in the AZI+ATO group than in the AZI group (P = .02). ConclusionIn cases where CLAD develops despite AZI prophylaxis, long-term ATO treatment may lead to short-term improvements in lung function. It could also decrease inflammation levels in lung transplant recipients and enhance overall survival. The combination of AZI and long-term ATO therapy may be beneficial for CLAD prevention.
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