ArticleEuropean journal of heart failure2024
Haemodynamic contributors to pulmonary hypertension across the spectrum of adult congenital heart disease.
Article in European journal of heart failure, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Phenotypic Characterization of Unclassified Pulmonary Hypertension.Circulation. Heart failure · 2026Observational
- Clinical characteristics and risk factors for severe community-acquired pneumonia in hospitalized children with human metapneumovirus infection in Shanghai: a retrospective cohort study.Frontiers in medicine · 2026Article
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5 authors.
Funding
Abstract
aimsAdult congenital heart disease (ACHD) includes multiple disease states that predispose to pulmonary hypertension (PH). Haemodynamically, PH depends on abnormalities in three components: pulmonary blood flow (Qp), pulmonary vascular resistance (PVR) and pulmonary venous pressure (PVP). We sought to evaluate the prevalence and prognostic impact of individual haemodynamic abnormalities in ACHD. METHODS AND
resultsRetrospective study of ACHD patients undergoing cardiac catheterization at Mayo Clinic between 1999 and 2022 who were followed for the combined endpoint of death/heart transplantation. Among 1005 patients, 37% had mean pulmonary artery pressure (mPAP) ≥25 mmHg with more systemic ventricular disease, cyanotic disease and shunt lesions, highest N-terminal pro-B-type natriuretic peptide and worse right heart remodelling/dysfunction. Among those with biventricular circulation, elevated PVP, PVR and mPAP were associated with prognosis, but not increased Qp >8 L/min. However, risk of death/transplant increased for PVR only at ≥3 Wood units (hazard ratio [HR] 3.00, 95% confidence interval [CI] 2.17-4.15; p < 0.0001) and for mPAP only at ≥25 mmHg (HR 3.15, 95% CI 2.17-4.58; p < 0.0001), not at current recommended lower cutpoints. Combined abnormalities in PVP and PVR were associated with worst outcome (HR 5.20, 95% CI 3.55-7.63; p < 0.0001) with intermediate risk with either abnormality (HR 2.11, 95% CI 1.46-3.04; p < 0.0001). Findings were consistent across type of biventricular ACHD. Only with the Fontan (univentricular) circulation was a lower mPAP threshold (20 mmHg) associated with adverse outcomes.
conclusionsElevation of mPAP ≥25 mmHg in ACHD with a biventricular circulation is prognostically important regardless of disease phenotype, but milder PH of 21-25 mmHg is not associated with adverse outcome unless associated with Fontan circulation. Elevation in PVP >15 mmHg and PVR ≥3 Wood units were each individually associated with mortality with combined abnormalities associated with greatest risk. Categorizing PH in ACHD by haemodynamic mechanism (PVR, PVP or Qp) allows meaningful prognostication, and may allow more unified study of targeted therapies across heterogeneous disease states in ACHD.
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