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http://dx.doi.org/10.1016/j.hrcr.2015.01.021 | DOI Listing |
Int Immunopharmacol
December 2024
Department of Critical Care Medicine, the First Affiliated Hospital of Jinan University, Guangzhou 510632, Guangdong, China. Electronic address:
Previous studies demonstrated that dexmedetomidine (Dex) posttreatment aggravated myocardial dysfunction and reduced survival in septic mice. Yet, whether Dex elicits similar effects in septic patients as defined by Sepsis-3 remains unknown. This study sought to assess the effects of Dex-based sedation on mortality and cardiac dysfunction in septic patients defined by Sepsis-3 and to further reveal the mechanisms in septic rats.
View Article and Find Full Text PDFJ Physiol
December 2024
University of Bordeaux, INSERM, CRCTB, U1045, Pessac, France.
The pericardium plays an important role in mechanical interactions between the right (RV) and left (LV) ventricles, referred to as ventricular interdependence. However, the exact mechanisms of its supportive role remain unknown. The present study aimed to evaluate specifically ventricular interdependence in a model of isolated biventricular working heart of large mammal, which is in absence of neurohormonal influence or series interactions, and to evaluate the impacts of intact pericardium on this phenomenon.
View Article and Find Full Text PDFCatheter Cardiovasc Interv
December 2024
Heart Valve Center, San Raffaele Hospital, Milan, Italy.
Functional mitral regurgitation (MR) is associated with increased cardiovascular morbidity and mortality and over the past decade, the diagnosis of atrial functional mitral regurgitation (aFMR) has been increasingly observed in the elderly, especially in those with atrial fibrillation (AF) and heart failure with preserved ejection fraction (HFpEF). Annular enlargement, perturbations of annular contraction, and atriogenic leaflet tethering distinguish the pathophysiology of aFMR from the one of ventricular origin. However, no consensus provides recommendations regarding the differential diagnosis and the subsequent management of aFMR.
View Article and Find Full Text PDFJ Am Heart Assoc
December 2024
Division of Cardiovascular Medicine, Brigham and Women's Hospital Harvard Medical School Boston MA USA.
Background: This study aims to characterize right ventricular dysfunction (RVD) in heart failure (HF) with preserved ejection fraction and understand the cumulative prognostic value of abnormal RV echocardiographic parameters in HF with preserved ejection fraction.
Methods And Results: Data from 809 patients in the PARAGON-HF (Prospective Comparison of Angiotensin Receptor-Neprilysin Inhibitor With Angiotensin-Receptor Blocker Global Outcomes in HF With Preserved Ejection Fraction) echocardiographic substudy (55% women, mean age 74±8 years) were analyzed. Correlates of RVD (defined as tricuspid annular plane systolic excursion <1.
Hypertens Res
December 2024
Cardiovascular Prevention & Research Unit, Clinic/Laboratory of Pathophysiology, Laiko Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
The prevalence of systolic hypertension phenotypes based on simultaneous 24-h brachial (br) and aortic (ao) ambulatory blood pressure monitoring (ABPM) remains unknown. We sought to describe their prevalence and associations with hypertension mediated organ damage (HMOD). Participants with 24-h br and ao ABPM, carotid ultrasound and echocardiography data were categorized into 4 systolic hypertension phenotypes: sustained systolic br and ao normotension (SSN), isolated br systolic hypertension (IbrSH), isolated ao systolic hypertension (IaoSH) and sustained br and ao systolic hypertension (SSH).
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