{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T23:12:28Z","timestamp":1785798748505,"version":"3.56.0"},"reference-count":37,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,1,26]],"date-time":"2025-01-26T00:00:00Z","timestamp":1737849600000},"content-version":"vor","delay-in-days":25,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pulm. circ."],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Interstitial lung disease (ILD) can lead to pulmonary hypertension (ILD\u2010PH), worsening prognosis and increasing mortality. Diagnosing ILD\u2010PH is challenging due to the limitations of imaging methods. Right heart catheterization (RHC) is the gold standard for diagnosing PH but is limited to ILD patients considered for lung transplantation. This study assessed the usefulness of RHC in diagnosing ILD\u2010PH in a large cohort of 105 patients followed for at least 72 months, examining hemodynamic parameters for survival analysis. We conducted an ambispective cohort study, diagnosing PH as mean pulmonary artery pressure \u2265\u200920\u2009mmHg, pulmonary arterial wedge pressure &lt;\u200915\u2009mmHg, and pulmonary vascular resistance &gt;\u20092 Wood units by RHC. We registered demographic, biochemical, echocardiographic, respiratory, and hemodynamic parameters for survival analyses. Using RHC, we found a PH prevalence of 84.7% among ILD patients who previously exhibited an intermediate\u2010to\u2010high probability of PH by echocardiography. Thirty\u2010nine ILD\u2010PH patients died, yielding a 5\u2010year survival rate of 35%, whereas ILD patients without PH had a survival rate of 100%. Connective tissue disease\u2010associated ILD and interstitial pneumonia with autoimmune features were the predominant ILD subtypes in ILD\u2010PH patients. The ILD\u2010PH group had worse pulmonary function, lower forced vital capacity, and more severe hypoxemia. Kaplan\u2013Meier analyses showed significantly lower survival rates in ILD\u2010PH patients with a 6\u2010min walking distance &lt;\u2009360\u2009m, tricuspid annular plane systolic excursion\/pulmonary artery systolic pressure ratio &lt;\u20090.35\u2009mm\/mmHg, venous oxygen saturation &lt;\u200965%, and pulmonary artery compliance &lt;\u20092.2\u2009mm\/mmHg. RHC accurately characterizes ILD\u2010PH and provides long\u2010term survival predictors.<\/jats:p>","DOI":"10.1002\/pul2.70035","type":"journal-article","created":{"date-parts":[[2025,1,27]],"date-time":"2025-01-27T07:25:16Z","timestamp":1737962716000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Right Heart Catheterization Accurately Diagnoses Pulmonary Hypertension in Patients With Interstitial Lung Disease: Results From a Long\u2010Term Cohort Study"],"prefix":"10.1002","volume":"15","author":[{"given":"Mar\u00eda Berenice","family":"Torres\u2010Rojas","sequence":"first","affiliation":[{"name":"Cardiorespiratory Emergency Department General Hospital of Mexico \u201cDr. Eduardo Liceaga\u201d Mexico City Mexico"},{"name":"Pulmonary Hypertension Clinic, General Hospital of Mexico \u201cDr. Eduardo Liceaga\u201d Mexico City Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dulce 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