ArticleKidney international reports2025
Association of Pulmonary Hypertension With Outcomes in Kidney Transplant Recipients.
Article in Kidney international reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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20 authors.
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Abstract
Introduction: Pulmonary hypertension (PHTN) in patients with kidney failure is known to be associated with increased morbidity and mortality. Despite this, there is a relative paucity of large cohort data regarding its clinical impact following kidney transplantation (KTx). Therefore, this study sought to directly evaluate the prognostic implications of pretransplant PHTN in one of the largest kidney transplant cohorts to date. Methods: This retrospective observational cohort analysis reviewed all consecutive kidney transplant recipients at three tertiary transplant centers in the United States between January 1, 2011 and September 30, 2021. Pretransplant PHTN was defined as right ventricular systolic pressure (RVSP) ≥ 35 mm Hg on transthoracic echocardiography (TTE). Clinical outcomes were compared between patients with and without pretransplant PHTN, including mortality and allograft failure (overall and censored by mortality). Results: A total of 5322 KTx recipients were included; mean age 55.2 ± 13.7 years, 58.8% male. Of these patients, 1726 (32.4%) had pretransplant PHTN. PHTN was independently associated with significantly poorer outcomes: mortality (adjusted hazard ratio [aHR]: 1.24, 95% confidence interval [CI]: 1.06-1.45, Conclusion: Pretransplant PHTN classified by echocardiographic RVSP was independently and incrementally associated with an increased risk of mortality and allograft failure post-KTx. In pretransplant work up, this may allow for identification of a high-risk cohort that could benefit from further evaluation, early intervention, and closer surveillance in the posttransplant period.
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