ArticleChest2025
Prognostic Relevance of Tricuspid Annular Plane Systolic Excursion to Systolic Pulmonary Arterial Pressure Ratio and Its Association With Exercise Hemodynamics in Patients With Normal or Mildly Elevated Resting Pulmonary Arterial Pressure.
Article in Chest, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Multimodal model for predicting exercise-induced pulmonary hypertension validated by invasive exercise hemodynamics: a prospective study.Respiratory research · 2026Article
- Article
- Echocardiographic Assessment of Right Ventricular-Pulmonary Arterial Coupling in Heart Failure: Prognostic Insights from a Systematic Review.Journal of clinical medicine · 2026Review
- Noninvasive mean pulmonary arterial pressure/oxygen uptake slope as a predictor of pulmonary exercise haemodynamics and outcome.ERJ open research · 2026Article
- [Role of echocardiography in the assessment of right ventricular function in pulmonary hypertension].Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2026Review
- Pulmonary Hypertension Drives Prognosis in Idiopathic Pulmonary Fibrosis: Insights from the European IPF Registry.Journal of clinical medicine · 2025Article
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Abstract
backgroundEchocardiographic tricuspid annular plane systolic excursion (TAPSE) to systolic pulmonary arterial pressure (sPAP) ratio is a noninvasive surrogate for right ventricle (RV)-pulmonary arterial (PA) coupling. It has been related to outcome in patients with moderate to severe pulmonary hypertension (PH). RESEARCH QUESTION: Is RV-PA coupling of prognostic relevance in patients with suspected PH, but only normal or mildly elevated mean pulmonary arterial pressure (mPAP), and is it associated with impaired exercise capacity and exercise hemodynamics? STUDY DESIGN AND
methodsPatients with mPAP of < 25 mm Hg who underwent echocardiography and exercise right heart catheterization in our PH clinic were analyzed retrospectively. Mild PH was defined as mPAP of 21 to 24 mm Hg and exercise PH (EPH) was defined as a mPAP to cardiac output (CO) slope of > 3 mm Hg/L/min. Multivariate analysis was performed to identify independent predictors for clinical worsening (CW), defined by disease-related hospitalization, transplantation, or death.
resultsTwo hundred thirty-seven patients (155 female with median age, 64 years [interquartile range (IQR), 54-73 years]; no PH: n = 147; mild PH: n = 90; EPH: n = 202) were included. During the observation time of 63 months (IQR, 29-104 months), 36 patients died and 126 clinical worsening events occurred. TAPSE to sPAP ratio was an age- and sex-independent predictor of mortality (hazard ratio [HR], 0.09; 95% CI, 0.01-0.62; P = .014) and clinical worsening (HR, 0.05; 95% CI, 0.35-0.78; P = .002). TAPSE to sPAP ratio also was correlated significantly to 6-min walk distance (r = 0.33; P < .001) and exercise hemodynamics (mPAP to CO slope: r
interpretationOur results indicate that in patients with suspected PH, but normal or only mildly elevated resting mPAP, TAPSE to sPAP ratio is an independent predictor of outcome. In addition, it is associated significantly with exercise capacity and exercise hemodynamics and may be a helpful tool in the prediction of future clinical worsening of this patient population.
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