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  2. Selexipag - Wikipedia

    en.wikipedia.org/wiki/Selexipag

    Selexipag, sold under the brand name Uptravi, is a medication developed by Actelion for the treatment of pulmonary arterial hypertension (PAH). [3] [4] Selexipag and its active metabolite, ACT-333679 (or MRE-269, the free carboxylic acid), are agonists of the prostacyclin receptor, which leads to vasodilation in the pulmonary circulation. [5]

  3. Merck's therapy for rare lung condition shown to help reduce ...

    www.aol.com/news/mercks-therapy-rare-lung...

    Winrevair was approved to treat pulmonary arterial hypertension (PAH), a progressive disorder caused by a constriction of arteries in the lungs, leading to symptoms such as shortness of breath ...

  4. Ambrisentan - Wikipedia

    en.wikipedia.org/wiki/Ambrisentan

    Ambrisentan is a drug that blocks endothelin, an endogenous hormone found in higher quantities in patients with pulmonary arterial hypertension. Endothelin binds to two receptors, ET A and ET B . ET A is responsible for cell growth in the vessels as well as vasoconstriction , while ET B plays a role in vasodilation , endothelin 1 clearance, and ...

  5. Pulmonary arterial hypertension - Wikipedia

    en.wikipedia.org/.../Pulmonary_arterial_hypertension

    A pulmonary artery wedge pressure being less than 15 mmHg (also measured by right heart catheterization) excludes post-capillary bed (in the veins distal to the capillary bed) pulmonary hypertension. Pulmonary arterial hypertension is a subgroup of pulmonary hypertension and is categorized as World Health Organization as group 1. [3]

  6. 'I Was Diagnosed With Pulmonary Arterial Hypertension ... - AOL

    www.aol.com/diagnosed-pulmonary-arterial...

    FDA Approves Merck’s Winrevair. (sotatercept-csrk), a First-in-Class Treatment for Adults with Pulmonary Arterial Hypertension (PAH, WHO*, Group 1). Merck. What are the symptoms of PAH? PAH ...

  7. Pulmonary hypertension - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_hypertension

    Pulmonary hypertension is defined as a mean PAP of at least 20 mm Hg (3300 Pa) at rest, and PAH is defined as precapillary pulmonary hypertension (i.e. mean PAP ≥ 20 mm Hg with pulmonary arterial occlusion pressure [PAOP] ≤ 15 mm Hg and pulmonary vascular resistance [PVR] > 3 Wood Units). [58]

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