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PubMed2026

Large-Scale Plasma Proteomics Identifies Early Molecular Deviations and Improves Risk Prediction for Heart Failure Among Individuals With Obesity.

AIMS: Heart failure (HF) is a major global public health challenge, with obesity being one of its key risk factors. Although several HF risk prediction models have been developed in the general population, few are specifically tailored to individuals with obesity. This underscores the urgent need for precise biomarkers to improve individual risk stratification and enable personalized prevention strategies. We aimed to develop and validate a plasma proteomics-based protein risk score (PRS) to predict incident HF among individuals with obesity. MATERIALS AND METHODS: We analysed 9831 participants with obesity (BMI ≥ 30 kg/m2) from the UK Biobank with baseline measurements of 2911 circulating proteins and up to 16 years of follow-up. Multivariable Cox regression identified proteins associated with incident HF after comprehensive covariate adjustment. A PRS was constructed using LASSO regression and evaluated in a held-out test set. Protein trajectories before HF onset were reconstructed using LOESS modelling. To enhance clinical feasibility, a minimal protein panel was identified using LightGBM with forward feature selection. RESULTS: A total of 727 participants developed HF during follow-up. Multivariable cox analyses identified 578 proteins significantly associated with HF. LASSO regression further selected 81 proteins to build the PRS, which showed a strong association with HF risk in both training (HR 3.57; 95% CI 3.19-4.00) and test cohorts (HR 2.45; 95% CI 2.20-2.74). Adding the PRS improved prediction beyond age and sex (ΔC = 0.091) and beyond the Pooled Cohort Equations to Prevent Heart Failure (PCP-HF) model (ΔC = 0.052), with consistent gains in NRI and IDI. Proteomic deviations were detectable up to 16 years before diagnosis. A four-protein panel (GDF15, NT-proBNP, TNFRSF10B, CTHRC1) achieved robust discrimination (AUC 0.789), outperforming NT-proBNP alone (AUC 0.695) and complementing the PCP-HF model (combined AUC 0.803). DISCUSSION: Large-scale plasma proteomics substantially improves HF risk prediction in individuals with obesity and reveals long-standing molecular alterations preceding clinical onset. A simplified four-protein panel maintains robust predictive accuracy and provides a practical approach for the early detection and targeted prevention of obesity-related HF.

Humans↗

PubMed2026

Empagliflozin and functional aerobic capacity in individuals with increased risk of heart failure: The Empire Prevent Cardiac trial.

BACKGROUND: Higher maximal oxygen consumption (VO₂ max) is associated with lower risk of developing heart failure (HF). Empagliflozin improves VO2 max in HF with reduced ejection fraction, but the effect on VO2 max in individuals at risk of HF remain unknown. OBJECTIVE: This study aimed to evaluate the effect of 180 days treatment with empagliflozin compared to placebo on VO2 max, daily physical activity level, and quality of life (QoL) in individuals with overweight or obesity and risk of HF. METHOD: This investigator-initiated, double-blinded, randomized, placebo-controlled, multicenter trial included elderly individuals with body mass index >28 kg/m2 and at least one additional risk factor for HF, including hypertension, ischemic heart disease, stroke, or chronic kidney disease. Individuals with HF or type 2 diabetes mellitus were excluded. The primary endpoint was the mean difference in change of VO2 max. The secondary outcome was objectively measured physical activity level. QoL was an explorative outcome. RESULTS: Among 191 randomized individuals (94 empagliflozin, 97 placebo), 89% had hypertension and 66% ischemic heart disease. At baseline, 69% were male, median age was 68 years, median body mass index 31.9 kg/m², mean left ventricular ejection fraction 65 ± 9%, and mean VO₂ max 18.1 ± 4.3 mL/min/kg. Empagliflozin did not change VO2 max with an estimated treatment difference of -0.2 mL/min/kg (97.5% confidence interval -1.2 to 0.8), adjusted P = 1.00. No significant treatment differences were observed for neither daily physical activity nor QoL. CONCLUSIONS: Empagliflozin did not affect VO2 max, physical activity level, or QoL in elderly individuals with overweight or obesity and risk of HF.

Humans↗

PubMed2026

Large-scale AI analysis reveals missed opportunities in albuminuria testing and disease-modifying therapy implementation.

AIMS: Albuminuria is a key diagnostic and prognostic biomarker of chronic kidney disease (CKD), associated with adverse cardiovascular and renal outcomes. Despite guideline recommendations, urine albumin-to-creatinine ratio (UACR) testing is infrequently performed in cardiology. This study assessed the uptake of UACR testing, the estimated prevalence of undiagnosed albuminuria, and the use of disease-modifying therapies in patients with cardio-kidney-metabolic (CKM) disease. METHODS AND RESULTS: We conducted a retrospective cohort study of all adults seen at the cardiology department of a tertiary referral centre between 2019 and 2024. Data were extracted using CTcue, an AI-driven platform. Albuminuria was defined as UACR ≥30 mg/g. A weighted logistic regression model estimated albuminuria prevalence in untested patients. Among 77 351 patients (44.8% female, mean age 64.4 years), only 8.9% had a recorded UACR, of whom 46.4% had albuminuria. Testing rates were low across high-risk groups: 29.9% in diabetes, 21.7% in heart failure, and 13.7% in hypertension. In untested patients, the predicted prevalence of albuminuria was 36.6%, and highest in those with eGFR <30 mL/min/1.73m2 (70.0%), heart failure (47.8%), or diabetes (46.8%). Use of disease-modifying therapies was low, even among patients with confirmed albuminuria. In patients with documented vs. predicted albuminuria, 43.0% vs. 39.1% received renin-angiotensin system inhibitors, 12.8% vs. 5.7% received SGLT2 inhibitors, and <1% in both groups received finerenone. CONCLUSION: Albuminuria is substantially underdetected in cardiology practice, possibly contributing to underuse of effective CKM therapies. Systematic UACR screening with structured treatment protocols may help close this gap and improve outcomes for patients with CKM disease.

Humans↗

PubMed2025

Cellular Adhesion Molecules and Adverse Outcomes in Chronic Heart Failure: Findings From the DAPA-HF Randomized Clinical Trial.

IMPORTANCE: Vascular cell adhesion molecule 1 (VCAM-1) and intracellular cell adhesion molecule 1 (ICAM-1) are responsible for immune cell-cell interactions. Systemic levels of VCAM-1 are associated with incident heart failure (HF). OBJECTIVES: To determine if VCAM-1 and ICAM-1 levels are associated with progression of established HF. DESIGN, SETTING, AND PARTICIPANTS: Participants enrolled in the biomarker substudy of the Dapagliflozin and Prevention of Adverse Outcomes in Heart Failure (DAPA-HF) randomized clinical trial had VCAM-1 and ICAM-1 levels measured at baseline and 12 months. The DAPA-HF trial was conducted at 410 sites in 20 countries. Patients with HF and reduced ejection fraction (HFrEF) in New York Heart Association (NYHA) class II to IV with elevated natriuretic peptides were enrolled between February 15, 2017, and August 17, 2018, with final follow-up on June 6, 2019. Data were analyzed from January 2023 to January 2025. INTERVENTIONS: Dapagliflozin, 10 mg, once daily vs placebo. MAIN OUTCOMES AND MEASURES: The primary outcome was the composite of a worsening HF event or cardiovascular death. The associations between VCAM-1 and ICAM-1 levels at baseline and the primary outcome, its components, and all-cause death were analyzed using Cox proportional hazards regression models adjusted for known prognostic variables including estimated glomerular filtration rate (eGFR), N-terminal pro-B-type natriuretic peptide (NT-proBNP), and high-sensitivity troponin T (hs-TnT), as well as high-sensitivity C-reactive protein. RESULTS: A total of 3051 participants (mean [SD] age, 67.2 [10.5] years; 2386 male [78.2%]) were included in this study. Mean (SD) follow-up time was 17.6 (5.2) months. The median (IQR) baseline VCAM-1 level was 997 (816.7-1218.8) ng/mL. Compared with patients with lower concentrations of VCAM-1, those with higher concentrations of VCAM-1 were older (mean [SD] age T3 vs T1, 69.7 [9.7] years vs 64.1 [10.7] years; P < .001), in worse NYHA class (T3 vs T1, NYHA class III/IV 35.6% [362 of 1017] vs 26.5% [269 of 1017]; P < .001), and had higher NT-proBNP (median [IQR] T3 vs T1, 2018 [1126-3753] pg/mL vs 1118 [693-1830] pg/mL) and hs-TnT (median [IQR] T3 vs T1, 24.7 [17.1-37.5] ng/L vs 16.6 [11.6-24.9] ng/L) concentrations, and lower eGFR (mean [SD] T3 vs T1, 58.4 [17.6] mL/min/1.73 m2 vs 71.7 [18.0] mL/min/1.73 m2). Patients in tertile 3 of VCAM-1, compared with tertile 1, had the highest risk of each outcome (eg, adjusted hazard ratio [HR] for primary outcome 1.40; 95% CI, 1.11-1.77; P = .004). ICAM-1 level was not associated with an elevated risk of any outcome. The benefit of dapagliflozin vs placebo in reducing the risk of the primary outcome was consistent across VCAM-1 tertiles: HR, 0.76 (95% CI, 0.54-1.06), 0.82 (95% CI, 0.59-1.12), and 0.77 (95% CI, 0.61-0.98) for tertiles 1, 2 and 3, respectively (P for interaction = .93). There was no significant change in VCAM-1 level with dapagliflozin at 52 weeks. CONCLUSIONS AND RELEVANCE: Results of this substudy of the DAPA-HF randomized clinical trial demonstrate that higher VCAM-1 levels, possibly reflecting a distinct inflammatory/immune pathophysiological pathway in HFrEF, were associated with worse outcomes, even after adjustment for conventional prognostic variables. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03036124.

Aged↗

PubMed2026

Prothrombin complex concentrate (PCC) vs. non-PCC strategies for warfarin reversal in left ventricular assist device recipients: A systematic review and meta-analysis.

BACKGROUND: Left ventricular assist devices (LVADs) prolong survival in end-stage heart failure, and warfarin thromboprophylaxis is recommended to prevent device thrombosis and thromboembolic complications. When bleeding occurs or emergency surgery is required, rapid anticoagulation reversal is critical. Prothrombin complex concentrate (PCC) provides rapid reversal; however, its risk-benefit profile in LVAD recipients remains unclear. We conducted a systematic review and meta-analysis comparing PCC with non-PCC strategies for warfarin reversal in LVAD recipients. METHODS: MEDLINE, Embase, and Scopus were searched through June 2025 for studies of PCC versus non-PCC strategies for warfarin reversal in LVAD recipients. Two reviewers independently extracted data. Random-effects models were used to pool arm-level estimates and to pool head-to-head comparisons using mean differences or risk ratios (RRs). RESULTS: Eighteen studies involving 779 patients were included. Arm-level pooled estimates for PCC versus non-PCC comparators were 24.0% versus 15.8% for mortality, 16.5% versus 12.1% for thrombotic events, and 3.1 versus 5.7 for FFP units. Arm-level time to INR correction was longer with PCC overall (16.5 versus 13.6 h), driven by one elective cohort, but faster within the ICH subgroup (6.0 versus 13.7 h). In head-to-head comparisons, PCC achieved faster INR correction than non-PCC comparators (mean difference - 7.6 h; p = 0.001) and required fewer FFP units (-2.6 units; p = 0.019), with no significant difference in all-cause mortality (RR 1.14; p = 0.490) or thrombotic events (RR 1.43; p = 0.176). CONCLUSIONS: In head-to-head studies, PCC was associated with faster INR correction and lower FFP requirements than non-PCC strategies, whereas mortality and thrombotic events did not differ significantly. Given the observational evidence, wide confidence intervals, and heterogeneity, equivalent safety cannot be established, and prospective studies are needed to define the relative safety and effectiveness of the two approaches. IMPLICATIONS FOR CLINICAL PRACTICE: PCC-based strategies may be considered for urgent warfarin reversal in LVAD recipients, particularly when rapid INR reduction or avoidance of large-volume plasma transfusion is clinically important. Treatment decisions should account for the indication, bleeding severity, and underlying thrombotic risk. TRIAL REGISTRATION: CRD42024573925.

Humans↗

PubMed2026

Prediction of incident heart failure in established atherosclerotic cardiovascular disease: the SMART2-HF model.

BACKGROUND AND AIMS: Patients with established atherosclerotic cardiovascular disease (ASCVD) are at high risk of developing heart failure (HF). However, incident HF is not part of the risk assessment of current guideline-recommended models. The aim of this study was to develop and externally validate the SMART2-HF model for prediction of incident HF in patients with ASCVD. METHODS: SMART2-HF was developed in 7698 individuals with established ASCVD (coronary, cerebrovascular, or peripheral artery disease, or abdominal aortic aneurysm) but without prior HF from the UCC-SMART cohort. Cox proportional hazards models including sex-predictor interactions and with age as the time scale were derived to estimate the 10-year and lifetime risk of incident HF (hospitalization for HF or HF-related death), accounting for competing non-HF mortality. Predictors, limited to routinely available clinical characteristics, were aligned with the SMART2 risk model for recurrent cardiovascular (CV) risk in the same population. External validation was performed in 240 741 patients with ASCVD from six data sources: the Clinical Practice Research Datalink, the HUNT3 study, the SWEDEHEART Registry, the ASCVD-Particles cohort, the Estonian Biobank and the international REACH Registry. RESULTS: During a median follow-up of 11.2 years (interquartile range 6.1-16.4 years), 1031 incident HF events (13%) occurred in the UCC-SMART cohort. In the external validation data sources, a total of 24 885 incident HF events (10%) occurred. The pooled C-statistic was .696 (95% confidence interval .674-.717), with consistent performance in subgroups by sex and type of ASCVD. Predicted risks matched observed incidence in external validation. CONCLUSIONS: The SMART2-HF model enables the prediction of incident HF in patients with ASCVD. Aligned with the guideline-recommended SMART2 model for recurrent CV risk, SMART2-HF can be used as a complementary tool in this population.

Humans↗

PubMed2025

Transcription factor 4 maintains endothelial cell identity by inhibiting endothelial to mesenchymal transition.

Endothelial to mesenchymal transition (EndoMT) is essential for embryonic heart development and contributes to many pathological processes. It is unclear how the balance between endothelial cell (EC) identity and EndoMT mediators is regulated to drive this transition. This study identifies transcription factor 4 (TCF4; also known as ITF2) as a critical EC identity gene. TCF4 knockdown impairs EC phenotype and function, and induces a transition towards a mesenchymal-like state. This discovery suggests that TCF4 safeguards EC identity against EndoMT. Mechanistically, TCF4 directly binds to the promoter of multiple key genes in the transforming growth factor-β (TGFβ) signaling pathway, thereby repressing their expression. TCF4 expression is consistently down-regulated in three EndoMT models. TCF4 down-regulation diminishes its inhibitory effect on the TGFβ signaling pathway, leading to pathway activation and subsequently enhancing EndoMT. This, in turn, further suppresses TCF4 expression. Consequently, the TCF4-TGFβ feedback loop is formed to intensify the EndoMT process. We demonstrate that introducing exogenous TCF4 disrupts this TCF4-TGFβ feedback loop of EndoMT, rescuing the EC phenotype and function under TGFβ stimulation, as well as ECs from human patients with heart failure. Our results reveal a key role for TCF4 in safeguarding EC identity and preventing EndoMT, suggesting a therapeutic potential of targeting TCF4 for EndoMT-related cardiovascular diseases.

Humans↗

PubMed2026

Risk prediction in patients with heart failure with preserved ejection fraction: the LIFE-Preserved model.

BACKGROUND AND AIMS: Heart failure (HF) with preserved ejection fraction (HFpEF) constitutes a heterogeneous disease with varying prognosis. Given the rising incidence of HFpEF, accurate risk prediction for these patients is needed to identify high-risk individuals, who may benefit the most from preventive treatments. The LIFE-Preserved model was developed and validated for the prediction of individual short-term and lifetime risk for HF hospitalization or cardiovascular (CV) death in patients with HFpEF. METHODS: LIFE-Preserved was derived in 20 332 patients aged 40-90 years with a left ventricular ejection fraction ≥ 50% from the Swedish HF Registry. Cause- and sex-specific Cox models were derived to predict the risk of HF hospitalization or CV death using 14 routinely available predictors. Use of age as the timescale allowed for predictions beyond the maximum follow-up duration in the derivation data, adjusted for competing risks. External validation was performed in two trials (EMPEROR-Preserved and TOPCAT-Americas) and three registries (NHS England Secure Data Environment, Veterans Affairs, and HF-Particles). Model performance was assessed by discrimination and calibration. RESULTS: During a median follow-up of 1.8 years (interquartile range .6-4.2, maximum 19 years), 9341 first HF hospitalizations or CV deaths (46%) were observed in Swedish HF Registry. External validation included data from 28 062 patients with HFpEF [9930 (35%) first HF hospitalizations or CV deaths]. Pooled C-statistics were .714 (95% confidence interval .652-.775) in trials and .658 (95% confidence interval .599-.717 in registries, with adequate calibration in all external validation sources. Performance was similar in men and women. An interactive calculator of the LIFE-Preserved model has been made available here. CONCLUSIONS: The LIFE-Preserved model enables prediction of short-term and lifetime risk of HF hospitalization or CV death in patients with HFpEF. The model could serve as a tool to identify high-risk HFpEF patients, guiding clinical management and shared decision-making.

Humans↗

PubMed2026

Spectrum of Primary Aldosteronism and Risk of Cardiovascular Outcomes: The Atherosclerosis Risk in Communities Study.

IMPORTANCE: Mounting evidence suggests that renin-independent aldosteronism is common and often underrecognized. Yet, whether aldosteronism across this broader spectrum is associated with incident cardiovascular disease (CVD) has not, to the authors' knowledge, been comprehensively evaluated. OBJECTIVE: To determine whether aldosterone measures are associated with incident CVD events in community-dwelling older adults. DESIGN, SETTING, AND PARTICIPANTS: This prospective cohort analysis included participants from the Atherosclerosis Risk in Communities (ARIC) study with serum aldosterone and renin levels measured in 2011 to 2013. Longitudinal analyses were conducted in March to September 2025 using Cox regression to assess associations between aldosterone parameters and incident CVD among participants free of heart failure (HF), myocardial infarction (MI), stroke, and potassium-sparing diuretic use at ARIC visit 5 (2011-2013). EXPOSURES: Serum aldosterone level and aldosterone-renin ratio (ARR). MAIN OUTCOMES AND MEASURES: Incident HF hospitalization, atrial fibrillation (AF), ischemic stroke, MI, and a composite of these events plus all-cause death. RESULTS: Among 3477 individuals free of baseline CVD (mean [SD] age, 74.8 [4.9] years; 2139 female [61.5%]), the median (IQR) aldosterone level was 5.1 (3.0-8.3) ng/dL (to convert to picomoles per liter, multiply by 27.74), renin activity was 0.78 (0.41-1.90) ng/mL per hour, and ARR was 5.9 (2.2-12.3) ng/dL per ng/mL/h. Over 9 years of follow-up, higher ARR was associated with the composite outcome (adjusted hazard ratio [aHR], 1.04; 95% CI, 1.01-1.08 per doubling), stroke (aHR, 1.13; 95% CI, 1.02-1.26), and AF (aHR, 1.10; 95% CI, 1.05-1.15) but not with incident HF hospitalization (aHR, 1.02; 95% CI, 0.96-1.07) or MI (aHR, 1.01; 95% CI, 0.92-1.12). CONCLUSIONS AND RELEVANCE: The findings of this cohort study underscore a spectrum of primary aldosteronism, in which higher ARR was independently associated with increased risks of AF and ischemic stroke among older adults, supporting the aldosterone pathway as a potential target for CVD prevention.

Humans↗

PubMed2025

Clonal Hematopoiesis and Risk of New-Onset Myocarditis and Pericarditis.

IMPORTANCE: Clonal hematopoiesis of indeterminate potential (CHIP) is the age-related clonal expansion of hematopoietic stem cells with leukemia-associated mutations. Certain CHIP mutations promote atherosclerosis and heart failure through immune-related pathways. OBJECTIVE: To test whether CHIP is associated with the development of myocarditis and pericarditis. DESIGN, SETTING, AND PARTICIPANTS: This observational population-based cohort study used data from the UK Biobank. Enrollment occurred between 2006 and 2010. Participants with whole-exome sequencing, no prevalent cardiovascular disease or hematological malignancy, and complete covariate data were included. Follow-up occurred for a median of 13.6 (IQR, 12.8-14.2) years. Analyses were conducted from November 2024 to July 2025. EXPOSURES: Any CHIP (variant allele frequency [VAF] ≥2%) and large CHIP (VAF ≥10%) constituted coprimary study exposures. Secondary analyses considered DNMT3A and TET2 CHIP as separate exposures. MAIN OUTCOMES AND MEASURES: The primary outcome was a composite of incident myocarditis and pericarditis. Cox regression tested associations of CHIP with myocarditis and pericarditis, adjusting for age, sex, race and ancestry, and cardiovascular risk factors. Secondary analyses considered myocarditis and pericarditis as separate outcomes. Additional analyses compared associations of CHIP with myocarditis and pericarditis with those with other cardiovascular diseases, and tested the bidirectional associations between CHIP and noncardiac immune-mediated inflammatory diseases. RESULTS: Among 335 426 participants (mean age, 56.1 years; 185 429 female [55.3%] and 149 997 male [44.7%]), 11 057 had any CHIP (3.3%), 7271 had large CHIP (2.2%), and 382 developed myocarditis or pericarditis (0.11%). Any and large CHIP were associated with multivariable-adjusted hazard ratios of 1.75 (95% CI, 1.14-2.68; P = .01) and 2.07 (95% CI, 1.28-3.33; P = .003), respectively, for the primary composite outcome of incident myocarditis and pericarditis. Increased risks were observed for DNMT3A and TET2 CHIP, with hazard ratios of 2.22 (95% CI, 1.17-4.21; P = .01) for DNMT3A with pericarditis and 3.65 (95% CI, 1.16-11.49; P = .03) for TET2 with myocarditis. CHIP associated with myocarditis and pericarditis more strongly than with other cardiovascular diseases (eg, coronary artery disease and heart failure). Any CHIP was also associated with 1.27-fold risk (95% CI, 1.16-1.39; P < .001) of developing noncardiac immune-mediated inflammatory diseases, without evidence for reverse causation. CONCLUSIONS AND RELEVANCE: In this study, CHIP was a strong risk factor for myocarditis and pericarditis among middle-aged adults. Targeting CHIP and its downstream pathways may represent a strategy for preventing or treating pericarditis and myocarditis.

Adult↗

PubMed2026

Plasma proteomics and coronary artery calcium score: synergistic, concordant and contrasting predictions of cardiovascular outcomes in The Multi-Ethnic Study of Atherosclerosis.

BACKGROUND: Coronary artery calcium (CAC) scores inform subclinical atherosclerotic cardiovascular disease (ASCVD) burden, helping guide preventative treatments. However, prediction of cardiovascular (CV) events by CAC is largely limited to ASCVD outcomes. This study investigated whether a previously validated proteomic test for predicting a broad composite of four-year CV events could enhance the prognostic utility of CAC. METHODS: We used a 27-protein CV risk score (Prot-CVR), derived from ~5,000 SomaScan™ Assay plasma protein measurements, to predict four-year risk of a composite CV and mortality outcome (myocardial infarction, stroke/TIA, heart failure hospitalization, death) in 2,122 participants with ≥1 CV risk factors from the Multi-Ethnic Study of Atherosclerosis (MESA) observational cohort at exam 5 and compared predictions to CAC Agatston scores. Discriminatory performance was assessed using C-Index and 4-year area under the curve (AUC). Cox Proportional Hazard (CoxPH) ratios were calculated for the composite outcome, ASCVD outcome (myocardial infarction, resuscitated cardiac arrest, stroke, coronary heart disease death), and individual events. Changes in Prot-CVR and CAC scores from baseline to MESA exam 5 (+10-years) in CV event versus event-free participants were assessed using 2-tailed paired t-tests. CoxPH regression models of CV event status distributed by Prot-CVR, CAC, and relevant co-variates were evaluated for performance relative to individual models. RESULTS: Individual Prot-CVR and CAC models predicting the composite outcome had comparable 4-year AUCs, but Prot-CVR had a higher C-index (0.68 (0.65-0.70) versus 0.63 (0.60-0.65), p=0.001) and greater hazard ratios for the composite outcome (p<0.001), death (p<0.001), and heart failure (p=0.015). A combined CoxPH model of Prot-CVR + CAC + Age had a higher 4-year AUC (0.72, p<0.05) and C-Index (0.71, p<0.05) than Prot-CVR or CAC alone. Both Prot-CVR and CAC scores detected an increase in risk prior to an approaching CV event in ~10-year sensitivity-to-change analysis. For 49.6% of MESA population with CAC=0 at baseline, Prot-CVR was greater in composite event versus event free participants at 4 years (0.23 versus 0.15, p=0.006) and full follow-up (0.18 versus 0.13, p<0.001). CONCLUSION: Protein testing complements CAC for CV risk assessment although the improvement is modest. Prot-CVR may resolve which patients with CAC=0 are at heightened CV risk.

Journal Article↗

PubMed2026

TIGAR deficiency enhances cardiac resilience through epigenetic programming of Parkin expression.

Mitochondrial dysfunction devastates the heart in major cardiovascular diseases, yet the mechanisms governing mitochondrial quality control remain elusive. We discovered that TIGAR (TP53-induced glycolysis and apoptosis regulator) deficiency established profound cardiac protection through developmental epigenetic programming of Parkin expression. Using mice with whole-body and cardiomyocyte-specific TIGAR knockout, we demonstrated remarkable cardioprotection following myocardial infarction with maintained ejection fraction, and complete resistance to diet-induced cardiac hypertrophy despite comparable weight gain. TIGAR deficiency triggered dramatic increases in Parkin expression across all somatic tissues except testes, where Parkin levels remained extraordinarily high (100-fold greater than cardiac levels) regardless of TIGAR status, revealing tissue-specific regulatory mechanisms. This protection was entirely Parkin dependent, as double-knockout mice lost all cardioprotective benefits. Crucially, adult TIGAR manipulation failed to alter Parkin levels, demonstrating that this pathway operated exclusively during critical developmental windows to program lifelong cardiac resilience. Whole-genome bisulfite sequencing identified reduced DNA methylation in Prkn intron 10 as the key regulatory mechanism, with CRISPR deletion dramatically increasing Parkin expression in multiple cell lines. Our findings reveal how early cardiac metabolism programs lifelong cardiac function through epigenetic mechanisms, and identify developmental metabolic programming as a potential therapeutic target for preventing both ischemic heart disease and metabolic cardiomyopathy.

Animals↗

PubMed2025

Genome-wide association study meta-analysis provides insights into the etiology of heart failure and its subtypes.

Heart failure (HF) is a major contributor to global morbidity and mortality. While distinct clinical subtypes, defined by etiology and left ventricular ejection fraction, are well recognized, their genetic determinants remain inadequately understood. In this study, we report a genome-wide association study of HF and its subtypes in a sample of 1.9 million individuals. A total of 153,174 individuals had HF, of whom 44,012 had a nonischemic etiology (ni-HF). A subset of patients with ni-HF were stratified based on left ventricular systolic function, where data were available, identifying 5,406 individuals with reduced ejection fraction and 3,841 with preserved ejection fraction. We identify 66 genetic loci associated with HF and its subtypes, 37 of which have not previously been reported. Using functionally informed gene prioritization methods, we predict effector genes for each identified locus, and map these to etiologic disease clusters through phenome-wide association analysis, network analysis and colocalization. Through heritability enrichment analysis, we highlight the role of extracardiac tissues in disease etiology. We then examine the differential associations of upstream risk factors with HF subtypes using Mendelian randomization. These findings extend our understanding of the mechanisms underlying HF etiology and may inform future approaches to prevention and treatment.

Humans↗

PubMed2026

Left ventricular hypertrophy in hypertension: a systematic review and meta-analysis of echocardiographic studies published from 2011 to 2025.

AIM: An updated meta-analysis targeting the prevalence of left ventricular hypertrophy (LVH), a cardinal marker of hypertensive heart disease (HHD), over the last 15 years is lacking. Thus, we analyzed the literature in order to provide a comprehensive information on LVH prevalence, as assessed by echocardiography, in the hypertensive setting. METHODS: The PubMed, OVID-MEDLINE, and Cochrane Library databases were analyzed to search English-language articles published from 1 January 2011 up to 31 December 2025. Studies were identified by using MeSH terms and crossing the following search items: 'left ventricular hypertrophy', 'left ventricular mass', 'hypertensive heart disease', 'echocardiography', 'hypertension', and 'subclinical cardiac damage'. RESULTS: A total of 51 studies including 74 632 hypertensive patients were considered. Overall, the prevalence of LVH in the pooled cohort, defined according to criteria recommended by echocardiographic guidelines, was 36.6% (95% CI: 33.4-40%). Data provided by 18 studies ( n  = 40 108 patients) showed that the probability of having LVH was lower in men than in women (OR = 0.62, CI: 0.48-0.80, P  < 0.0001). Among patients with LVH (17 studies), the risk of concentric LVH was almost twice as high as eccentric (OR = 1.94, CI: 1.52-2.49, P  < 0.0001). CONCLUSION: Our meta-analysis suggests that the high contemporary prevalence of LVH reflects the failure of therapeutic strategies worldwide in the prevention and treatment of HHD. From a clinical perspective, these data imply the need for a more aggressive treatment of hypertension and related cardiovascular risk factors leading to LVH, especially in women.

Humans↗

PubMed2026

Psychological distress and incident cardiovascular disease independent of life's essential 8: a prospective cohort study.

BACKGROUND: Although psychological stress has emerged as an important determinant of cardiovascular disease (CVD) risk, it remains excluded from the recently updated cardiovascular health (CVH) metrics, known as Life's Essential 8 (LE8). This study aimed to examine the association between psychological distress and the incidence of CVD, independent of Life's Essential 8 metrics, in a large Korean adult population. METHODS: This study included 6,410 participants from the Korean Genome and Epidemiology Study Ansan-Ansung cohort, who had no history of CVD and had complete baseline data on psychological distress and Life's Essential 8 cardiovascular health (LE8 CVH) metrics. Psychological distress was assessed using the Psychosocial Wellbeing Index Short Form (PWI-SF). CVD events were identified based on participants' self-reports of physician-diagnosed conditions: myocardial infarction, stroke, coronary artery disease, and congestive heart failure. Cox proportional hazards models were used to examine the association between PWI-SF scores and incident CVD, adjusting for age, sex, residential area, educational attainment, household income, and LE8 CVH metrics. RESULTS: During a median follow-up of 13.8 years, 500 new cases of CVD were identified. Higher PWI-SF scores were independently associated with an increased risk of CVD after adjusting for LE8 CVH metrics and other potential confounders (hazard ratio: 1.321; 95% confidence interval: 1.067-1.636; p = 0.011). CONCLUSION: These findings suggest that higher levels of psychological distress are independently associated with an increased risk of CVD, even after accounting for established LE8 CVH metrics. Incorporating psychological distress into future CVH assessments may enhance risk stratification and prevention strategies.

Humans↗

PubMed2025

Bivalent RSV Prefusion F Protein-Based Vaccine for Preventing Cardiovascular Hospitalizations in Older Adults: A Prespecified Analysis of the DAN-RSV Trial.

IMPORTANCE: Respiratory syncytial virus (RSV) infection is linked to elevated cardiovascular risk, particularly in individuals with preexisting cardiovascular disease (CVD). A bivalent RSV prefusion F protein (RSVpreF) vaccine was recently approved for preventing RSV-related lower respiratory tract illness, but its effectiveness against cardiovascular outcomes has not been evaluated in a randomized trial. OBJECTIVE: To investigate the vaccine effectiveness of RSVpreF compared with no vaccine against cardiovascular outcomes among adults aged 60 years or older. DESIGN, SETTING, AND PARTICIPANTS: Prespecified secondary analysis of the DAN-RSV trial, a pragmatic, open-label, individually randomized clinical trial conducted in Denmark during the 2024-2025 winter season. The first participant was enrolled on November 18, 2024. Adults aged 60 years or older were eligible for inclusion regardless of comorbidity status. INTERVENTIONS: Participants were randomized 1:1 to receive RSVpreF (n = 65 642) or no vaccine (n = 65 634). MAIN OUTCOMES AND MEASURES: Hospitalization for any cardiorespiratory disease was a prespecified secondary outcome, and hospitalizations for any CVD, heart failure, myocardial infarction, stroke, and atrial fibrillation were prespecified exploratory outcomes. Outcomes were assessed from 14 days after booked study visit through May 31, 2025. Vaccine effectiveness was calculated as 1 - incidence rate ratio, expressed as a percentage. RESULTS: Of 131 276 participants included (mean age, 69.4 [SD, 6.5] years; 50.3% male), 28 662 (21.8%) had preexisting CVD. All-cause cardiorespiratory hospitalization incidence was lower in the RSVpreF group compared with the control group (26.3 vs 29.2 events per 1000 participant-years [PY]; absolute rate reduction, 2.90 [95% CI, 0.10-5.71] per 1000 PY; vaccine effectiveness, 9.9% [95% CI, 0.3%-18.7%]; P = .04). There was no significant interaction by baseline CVD status (CVD at baseline: vaccine effectiveness, 5.0% [95% CI, -11.2% to 16.7%]; no CVD at baseline: vaccine effectiveness, 15.2% [95% CI, 2.2%-27.1%]; P = .27 for interaction). For the RSVpreF group vs control group, respectively, incidence rates of all-cause cardiovascular hospitalization were 16.4 vs 17.7 events per 1000 PY (vaccine effectiveness, 7.4% [95% CI, -5.5% to 18.8%]; P = .24), and incidence rates of stroke were 3.0 vs 3.8 events per 1000 PY (vaccine effectiveness, 19.4% [95% CI, -8.6% to 40.4%]; P = .14). There were also no statistically significant between-group differences for myocardial infarction, heart failure hospitalization, and atrial fibrillation. CONCLUSIONS AND RELEVANCE: In adults aged 60 years or older, all-cause cardiorespiratory hospitalization was significantly lower with RSVpreF than with no vaccine. The findings suggest potential downstream cardiorespiratory benefits of RSV immunization, although the effect on all-cause cardiovascular hospitalization was not statistically significant. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT06684743.

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PubMed2026

Preventable mortality in Mexico: bridging gaps in chronic disease and ageing care.

Preventable mortality remains a critical public health challenge in Mexico, with 819 672 deaths recorded in 2024. Of these, 37.21% in the general population were attributed to ischaemic heart disease (IHD) and diabetes mellitus. We analyse Instituto Nacional de Estadística y Geografía mortality data to assess disparities in cardiovascular mortality across age groups, sex and geographical regions, and to identify key gaps in Mexico's preventive care strategies. Age-standardised mortality rates (ASMRs) reveal persistently elevated cardiovascular mortality in northern states, including Chihuahua, Coahuila, Durango and Nuevo León, and in southeastern states, including Veracruz, Tabasco, Campeche and Yucatán. The burden is highly concentrated among older adults and geographically clustered in specific high-risk regions. These patterns reflect structural gaps in prevention, early detection and access to adequate care rather than unavoidable demographic change. Obesity, diabetes and hypertension form a pathophysiological triad that synergistically exacerbates cardiovascular disease through shared mechanisms and comorbidities. Despite substantial global declines in IHD mortality over the past two decades, Mexico continues to experience elevated and regionally extreme cardiovascular mortality, highlighting a failure to translate established global evidence into national practice. Drawing on evidence-based interventions implemented in comparable health systems, we propose seven scalable strategies: (1) expanding access to health services in underserved regions, (2) integrating preventive health programmes within primary care, (3) developing structured physical activity initiatives, (4) establishing a geriatric care framework, (5) promoting community-based nutrition and wellness programmes, (6) advancing gender-sensitive cardiovascular prevention across adulthood and ageing and (7) implementing school-based health education programmes. These interventions could substantially reduce cardiovascular mortality, lower healthcare costs and improve long-term population health outcomes in Mexico.

Humans↗

PubMed2026

Cardiovascular risks in psychiatric disorders and psychiatric risks in cardiovascular disorders: implications for prevention and clinical management - a large-scale umbrella review encompassing 76 meta-analyses.

OBJECTIVE: Psychiatric and cardiovascular disorders often co-occur, complicating their assessment and management. No umbrella review(UR) has summarized the meta-analytic evidence on the co-occurrence of psychiatric and cardiovascular disorders and assessed its credibility. METHODS: Meta-analytic systematic reviews of observational studies documenting the prevalence, risk factors, and outcomes associated with the co-occurrence of cardiovascular and psychiatric disorders, indexed from inception through March.16.2026, and meeting established diagnostic criteria, were included. Meta-analytic association and prevalence estimates were recalculated and graded based on established or adapted criteria. The AMSTAR-2 assessed the quality of the meta-analyses, while several subgroup analyses and meta-regressions aimed to explain the heterogeneity. RESULTS: We included 76 meta-analyses yielding 131 meta-analytic estimates. Based on pre-existing meta-analytic evidence, 22/24 prevalence estimates (91.7%) met moderate/strong credibility criteria. Strong credibility emerged for: orthostatic hypotension in Lewy body(58%;95%C.I. = 50-66%) and Alzheimer's dementias(28.0% = 95%C.I. = 17.0-40.0%); pericardial effusion in anorexia nervosa(25.0%;95%C.I. = 17.0-34.0%); in heart failure(HF): major depressive disorder(MDD)(41.9%;95%C.I. = 36.7-47.1%), mild cognitive impairment(MCI)(41.4%;95%C.I. = 38.3-45.6%), anxiety(32.0%;95%C.I. = 26.5-37.6%), MDD + anxiety(24.7%;95%C.I. = 17.9-34.3%), and dementia(19.8%;95%C.I. = 12.9-27.8%); in atrial fibrillation(AF): MCI(26.0%;95%C.I. = 21.0-30.0%), anxiety in patients undergoing pulmonary vein isolation(PVI)(25.0%;95%C.I. = 12.0-46.0%), MDD in PVI patients (20.0%;95%C.I. = 13.0-29.0%); in coronary artery disease: MDD + anxiety(19.8%;95%C.I. = 16.0-24.6%): in schizophrenia spectrum disorders: clozapine-associated-cardiomyopathy(0.6%;95%C.I. = 0.2-2.3%); clozapine-associated-cardiomyopathy absolute death rates (0.0003;95%C.I. = 0.0001-0.0012); clozapine-associated-cardiomyopathy case fatality rate (0.078;95%C.I. = 0.018-0.285). Several additional disorders were multimorbid in>5% of people, yet with a lower credibility rating. No re-pooled risk factors/outcomes reached strong credibility criteria. CONCLUSIONS: The present study provides an atlas of cardiovascular and psychiatric multimorbidity across varying levels of credibility, reinforcing the need for an integrated, multidisciplinary approach to patient care and for more research on actionable risk/protective factors and outcomes.

Humans↗