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SHR Neuro Cancer Cardio Lipid Metab Microb

Zeder, K; Olschewski, H; Kovacs, G.
Updated definition of exercise pulmonary hypertension.
BREATHE. 2022; 18(4): 220232 Doi: 10.1183/20734735.0232-2022 [OPEN ACCESS]
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Leading authors Med Uni Graz

Kovacs Gabor

Zeder Katarina Eleonora

Co-authors Med Uni Graz

Olschewski Horst

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Abstract:

In the recently published European Society of Cardiology/European Respiratory Society guidelines on the diagnosis and treatment of pulmonary hypertension (PH) the haemodynamic definitions of PH were updated and a new definition for exercise PH was introduced. Accordingly, exercise PH is characterised by a mean pulmonary arterial pressure/cardiac output (CO) slope >3 Wood units (WU) from rest to exercise. This threshold is supported by several studies demonstrating prognostic and diagnostic relevance of exercise haemodynamics in various patient cohorts. From a differential diagnostic point of view, an elevated pulmonary arterial wedge pressure/CO slope >2 WU may be suitable to identify post-capillary causes of exercise PH. Right heart catheterisation remains the gold standard to assess pulmonary haemodynamics both at rest and exercise. In this review, we discuss the evidence that led to the reintroduction of exercise PH in the PH definitions.

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