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Prognostic value of computer tomography derived measurements of pulmonary artery diameter on long term outcomes after transcatheter aortic valve replacement
CONCLUSION: PAD >29.3 mm in baseline MDCT is associated with higher 1-year mortality after TAVR, independently of echocardiographic measure of PH and frailty.PMID:35892248 | DOI:10.33963/KP.a2022.0173
Source: Polish Heart Journal - July 27, 2022 Category: Cardiology Authors: Łukasz Kalińczuk Zbigniew Chmielak Maciej D ąbrowski Marcin Mazurkiewicz Patrycjusz Stok łosa Wiktor Skotarczak Gary S Mintz Rafa ł Wolny Pawe ł Tyczyński Marek Konka Anna Micha łowska Ilona Kowalik Marcin Demkow Ilona Micha łowska Adam Witkowski Source Type: research

Patient-Specific Computational Analysis of Hemodynamics in Adult Pulmonary Hypertension
Ann Biomed Eng. 2021 Nov 19. doi: 10.1007/s10439-021-02884-y. Online ahead of print.ABSTRACTPulmonary hypertension (PH) is a progressive disease characterized by elevated pressure and vascular resistance in the pulmonary arteries. Nearly 250,000 hospitalizations occur annually in the US with PH as the primary or secondary condition. A definitive diagnosis of PH requires right heart catheterization (RHC) in addition to a chest computed tomography, a walking test, and others. While RHC is the gold standard for diagnosing PH, it is invasive and posseses inherent risks and contraindications. In this work, we characterized the ...
Source: Annals of Biomedical Engineering - November 20, 2021 Category: Biomedical Engineering Authors: Narasimha R Pillalamarri Senol Piskin Sourav S Patnaik Srinivas Murali Ender A Finol Source Type: research

Pulmonary Hypertension as a Possible Cause of Paradoxical Low-Flow, Low-Gradient Aortic Stenosis.
Authors: Watanabe Y, Higashi H, Inoue K, Aono J, Okura T, Higaki J, Ikeda S Abstract Paradoxical low-flow, low-gradient aortic stenosis (LFLG AS) is recognized as a subtype of aortic stenosis. A small left ventricular (LV) cavity with marked LV concentric remodeling leads to a reduced stroke volume in this condition. The case is reported of a paradoxical LFLG AS patient who was undergoing treatment for pulmonary hypertension (PH) and interstitial pneumonia associated with scleroderma. Echocardiography demonstrated enlargement of the right ventricle and a diminished LV cavity. Moreover, the aortic valve opening was ...
Source: Journal of Heart Valve Disease - May 17, 2018 Category: Cardiology Tags: J Heart Valve Dis Source Type: research

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