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Updated: Jun 2, 2025

Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice
Published on: October 24, 2019
[Idiopathic pulmonary arterial hypertension revealed by right ventricular dysfunction]
Valérie Bartsch1, Fanny Gester2, Gilles Parzibut2
1Service de Pédiatrie, CHU Liège, Belgique.
Idiopathic pulmonary arterial hypertension (iPAH) is a rare disease causing high mortality. Vasoreactivity testing during catheterization is crucial for identifying patients who may benefit from calcium channel blockers, improving pulmonary hemodynamics.
Area of Science:
- Cardiology
- Pulmonology
- Vascular Medicine
Background:
- Idiopathic pulmonary arterial hypertension (iPAH) is a rare, progressive condition characterized by increased pulmonary vascular resistance and endothelial dysfunction.
- The disease leads to right ventricular failure due to non-specific symptoms that delay diagnosis.
Observation:
- Management of iPAH relies on hemodynamic assessment and targeted vasodilator therapies.
- Vasoreactivity testing during right heart catheterization is a critical diagnostic step.
Findings:
- This testing identifies patients with iPAH who may respond positively to calcium channel blocker (CCB) therapy.
- CCB treatment can lead to significant improvements in pulmonary hemodynamics for responsive individuals.
Implications:
- Early and accurate diagnosis through vasoreactivity testing is vital for effective iPAH management.
- Identifying CCB responders can optimize treatment strategies and improve patient outcomes in iPAH.
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Published on: January 20, 2023
10:33Assessment of Right Ventricular Structure and Function in Mouse Model of Pulmonary Artery Constriction by Transthoracic Echocardiography
Published on: February 3, 2014
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