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Source: American Journal of Physiology. Heart and Circulatory Physiology
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Total 253 results found since Jan 2013.
Influence of Exercise Training on the Left Atrium:Implications for Atrial Fibrillation, Heart Failure and Stroke
Am J Physiol Heart Circ Physiol. 2023 Jul 28. doi: 10.1152/ajpheart.00322.2023. Online ahead of print.ABSTRACTThe left atrium (LA) plays a critical role in receiving pulmonary venous return and modulating left ventricular (LV) filling. With the onset of exercise, LA function contributes to the augmentation in stroke volume. Due to the growing focus on atrial imaging, there is now evidence that structural remodelling and dysfunction of the LA is associated with adverse outcomes including incident cardiovascular disease. In patients with established disease, pathological changes in atrial structure and function are associate...
Source: American Journal of Physiology. Heart and Circulatory Physiology - July 28, 2023 Category: Physiology Authors: Adrian Elliott Jonathan Ariyaratnam Erin J Howden Andr é La Gerche Prashanthan Sanders Source Type: research
The Effect of Acute Handgrip and Aerobic Exercise on Wasted Pressure Effort and Arterial Wave Reflections in Healthy Aging
Am J Physiol Heart Circ Physiol. 2023 Jul 21. doi: 10.1152/ajpheart.00133.2023. Online ahead of print.ABSTRACTAging increases arterial stiffness and wave reflections which augment left ventricular wasted pressure effort (WPE). A single bout of exercise may be effective at acutely reducing WPE via reductions in arterial wave reflections. In young adults (YA) acute aerobic exercise decreases, whereas handgrip increases, wave reflections. Whether acute exercise mitigates or exacerbates WPE and arterial wave reflection in healthy aging warrants further examination. The purpose of this study was to determine if there are age-re...
Source: American Journal of Physiology. Heart and Circulatory Physiology - July 21, 2023 Category: Physiology Authors: Joseph M Stock Ninette Shenouda Nicholas V Chouramanis Jordan C Patik Christopher R Martens William B Farquhar Julio A Chirinos David G Edwards Source Type: research
Pregnancy-Associated Takotsubo Cardiomyopathy Hospitalizations in the United States
Am J Physiol Heart Circ Physiol. 2023 Jul 7. doi: 10.1152/ajpheart.00262.2023. Online ahead of print.ABSTRACTTakotsubo cardiomyopathy (TCM) is most common in postmenopausal women aged ≥ 50 years but also affects pregnant individuals. However, there are no national estimates on the prevalence, timing of occurrence, correlates, and outcomes of Pregnancy-associated TCM. Using the Nationwide Inpatient Sample (NIS: 2016-2020), we describe rates of pregnancy-associated TCM hospitalizations among 13 - 49 years old pregnant individuals in the United States by selected demographic, behavioral, hospital, and clinical characteristi...
Source: American Journal of Physiology. Heart and Circulatory Physiology - July 7, 2023 Category: Physiology Authors: Mulubrhan F Mogos Soojung Ahn James M Muchira Sarah Osmundson Mariann R Piano Source Type: research
