1 Scopus citations


Introduction. Although pulmonary function testing (PFT) is typically performed for heart transplant evaluation, the prognostic utility of PFTs after transplantation is unknown. We evaluated whether PFT parameters were correlated with outcomes following heart transplantation. Methods. International Society for Heart and Lung Transplantation Thoracic Organ Transplant Registry data were utilized. Survival was assessed using Kaplan-Meier method and compared via log-rank test. Cox proportional hazard modeling was used to evaluate univariate and multivariate predictors of survival. Results. Eight hundred two patients pretransplant PFT data were available for evaluation. Forced expiratory volume in 1 s (FEV1) < 50% predicted (P < 0.0001), and forced vital capacity (FVC) < 50% predicted each had significantly higher mortality (P = 0.001) compared with patients with FEV1 or FVC 50%-80% or >80%. FEV1/FVC < 0.7 was not associated with increased mortality. FEV1 and FVC below 50% both predicted longer lengths of stay (P = 0.028 for FEV1 and P = 0.0075 for FVC). After adjusting for male gender, age, body mass index, smoking history, chronic obstructive pulmonary disease, creatinine, albumin, and total bilirubin, FEV1 < 50% (hazard ratio, 4.91; P < 0.0001; 95% confidence interval, 2.69-8.94) and FVC < 50% (hazard ratio, 2.75; P = 0.003; 95% confidence interval, 1.4-5.4) both remained independent predictors of mortality. Conclusions. Abnormal pulmonary function (FEV1 or FVC below 50% of predicted) pre-heart transplantation is associated with increased mortality and longer lengths of stay posttransplant.

Original languageEnglish (US)
Pages (from-to)E752
JournalTransplantation Direct
Issue number10
StatePublished - Sep 7 2021

ASJC Scopus subject areas

  • Transplantation


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