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Incidence and Progression of Diastolic Dysfunction in People With HIV in Tanzania: A Comparative Cohort.
JACC Adv
December 2024
Weill Bugando School of Medicine, Department of Medicine, Catholic University of Health and Allied Sciences, Mwanza, Tanzania.
Background: People living with HIV (PLWH) have a higher prevalence of diastolic dysfunction and left ventricular hypertrophy (LVH) in cross-sectional studies. Longitudinal data are lacking, especially from Africa.
Objectives: The aim was to examine: 1) the incidence of diastolic dysfunction in PLWH compared to community controls in Tanzania; 2) the progression of diastolic function and LVH in PLWH after antiretroviral therapy initiation; and 3) traditional, endemic, and HIV-specific risk factors for diastolic function and LVH.
Recombinant Klotho administration after myocardial infarction reduces ischaemic injury and arrhythmias by blocking intracellular calcium mishandling and CaMKII activation.
J Pathol
January 2025
Cardiorenal Translational Laboratory, Imas12 Research Institute, Hospital Universitario 12 de Octubre, Madrid, Spain.
Ischaemic heart disease (IHD) remains a major cause of death and morbidity. Klotho is a well-known anti-ageing factor with relevant cardioprotective actions, at least when renal dysfunction is present, but its actions are much less known when renal function is preserved. This study investigated Klotho as a biomarker and potential novel treatment of IHD-associated complications after myocardial infarction (MI) under preserved renal function.
View Article and Find Full Text PDFEffect of trimetazidine on left ventricular functions and cardiac biomarkers in diabetic patients with left ventricular diastolic dysfunction: a randomized controlled trial.
Sci Rep
January 2025
Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
We investigated the impact of trimetazidine treatment on left ventricular (LV) functions and cardiac biomarkers in diabetic patients with diastolic dysfunction as an early stage of diabetic cardiomyopathy. Sixty-three patients were randomly assigned to receive either trimetazidine or a placebo for 3 months. At baseline and after 3-months of treatment, measurements of serum levels of glycemic control parameters, lipid profile, tumor necrosis factor alpha, transforming growth factor beta 1, n-terminal pro brain natriuretic peptide and assessment of modified Medical Research Council (mMRC) dyspnea score, echocardiographic indices of LV functions and LV global longitudinal strain (GLS) were performed.
View Article and Find Full Text PDFAssociations between potential risk factors and blood-brain barrier water permeability in middle-aged and older adults.
J Alzheimers Dis
January 2025
Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore.
Blood-brain barrier (BBB) dysfunction is suggested to be a potential mediator between vascular risk factors and cognitive impairment, leading to vascular cognitive impairment. To investigate the relationships between age, sex, and vascular risk factors and BBB water permeability as well as their relationship with cognition. To measure BBB permeability, a novel arterial spin labelling MRI technique (ME-ASL) was applied to derive the time of exchange (Tex), arterial time transit (ATT), and cerebral blood flow (CBF).
View Article and Find Full Text PDFRight Ventricular Function and Outcomes Stratified by the Effective Regurgitant Orifice Area in Secondary Tricuspid Regurgitation.
Can J Cardiol
January 2025
Department of Cardiology, Istituto Auxologico Italiano, IRCCS, Milan, Italy; Department of Medicine and Surgery, University of Milano- Bicocca, Milan, Italy.
Background: In patients with moderate and severe secondary tricuspid regurgitation (STR), the effective regurgitant orifice area (EROA), corrected using the proximal isovelocity surface area (PISA) method for tricuspid valve leaflet tethering and low TR jet velocities, has an unclear threshold for identifying high-risk patients. This study aimed to establish a risk-based EROA cutoff and assess the impact of right ventricular (RV) remodeling on outcomes in low-risk STR patients according to EROA.
Methods: We included 513 consecutive outpatients (age 75±13 years, 47% male) with moderate and severe STR.
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