Citations

Importance Elevated low-density lipoprotein cholesterol (LDL-C) is a modifiable risk factor for cardiovascular disease, the leading cause of premature death worldwide. Assessing the LDL-C–related burden is critical for guiding prevention and treatment strategies. Objectives To estimate the global, regional, and national burden of ischemic heart disease and ischemic stroke attributable to elevated LDL-C (relative to 35-54 mg/dL) from 1990 to 2023 and to quantify the contributions of population growth, aging, risk-deleted burden, and exposure changes to burden trends. Design, Setting, and Population This comparative risk assessment, part of the Global Burden of Disease Study 2023, estimated population-level LDL-C exposure and associated health loss in 204 countries and territories. Mean LDL-C levels were estimated using spatiotemporal gaussian process regression based on 806 studies across 161 countries. Relative risks were derived from meta-analyses of 38 randomized clinical trials. Population-attributable fractions for deaths and disability-adjusted life-years (DALYs) were estimated by age and sex for adults aged 25 years or older from 1990 to 2023, with 95% uncertainty intervals. Exposure Population-level LDL-C concentrations. Main Outcomes and Measures Population-attributable fractions, counts, and rates (all ages and age standardized per 100 000) of LDL-C–attributable deaths and DALYs from ischemic heart disease and ischemic stroke, with uncertainty intervals. Results In 2023, elevated LDL-C accounted for 3.6 million deaths (95% uncertainty interval, 2.2-5.4 million; 6.0% of global mortality) and 90.7 million DALYs (95% uncertainty interval, 58.9-123.3 million; 3.2% of DALYs). Although global all-ages rates remained stable, age-standardized death and DALY rates decreased by 45.6% and 39.5%, respectively, since 1990. In 2023, age-standardized LDL-C–attributable DALY rates were highest in Eastern Europe and lowest in high-income Asia-Pacific. One-third of the global LDL-C burden occurred in India and China. Population growth and aging drove the increasing burden, with notable regional disparities in LDL-C exposure and risk-deleted DALY rates shifting toward middle-sociodemographic settings. Conclusions and Relevance Despite declining age-standardized rates, the absolute LDL-C burden has increased since 1990 due to demographic changes and has shifted toward middle-sociodemographic countries. Measurement and surveillance gaps persist. Strengthened prevention, diagnosis, and treatment access strategies are essential to mitigate the health burden of LDL-C.

Summary Frailty is independently associated with significantly higher 1‐year mortality and MACCE following MTEER. Frail patients also demonstrated increased risks of HF exacerbation, major bleeding, and readmission. Incorporating frailty assessment into pre‐procedural evaluation may improve risk stratification and guide personalized management strategies.

ABSTRACT Background Atrial fibrillation (AF) is a prevalent arrhythmia that frequently coexists with cardiomyopathy, leading to deteriorated cardiovascular outcomes. Analyzing the trends associated with these conditions is essential for improving prevention strategies and management practices. Methods CDC WONDER (1999–2023) data were analyzed to assess AF with cardiomyopathy‐related mortality in patients aged ≥ 25. Using Joinpoint regression analysis, we calculated age‐adjusted mortality rates (AAMRs) per 100,000 patients and average annual percentage changes (AAPCs) to analyze mortality trends. Results AF with cardiomyopathy is responsible for 126,377 deaths among adults aged 25 and older. Alarmingly, AAMRs have surged from 1.8 per 100,000 in 1999 to 3.0 in 2023 (AAPC: 2.11, p < 0.001). The upward trend remains pronounced, particularly between 2016 and 2021, with an annual percentage change of 6.17 ( p = 0.02). Disparities in mortality rates are striking. Men face a higher AAMR than women (3.1 vs. 1.5), and Black individuals bear the heaviest burden at 2.4, closely followed by Whites at 2.3. Regionally, Vermont stands out with the highest AAMR at 3.6, while New York reports the lowest at 1.3. Both rural and urban areas maintain equal AAMRs of 2.1, yet the increase in rural regions is particularly concerning, reflecting an AAPC of 2.44 compared to 1.78 in urban settings. Conclusion The rising mortality rates from AF with cardiomyopathy in patients, particularly among men, Black individuals, and rural residents, demand urgent action. These concerning trends underscore a public health crisis that must be addressed.

Establishing vascular access early in out-of-hospital cardiac arrest (OHCA) is a crucial factor for improving prognosis. Clinical guidelines recommend both intravascular (IV) and intraosseous (IO) access, but the superiority of one technique over the other has yet to be determined. Our review aimed to compare the efficacy and safety of IV versus IO access in OHCA. A comprehensive search was conducted on PubMed/MEDLINE, Embase, and Cochrane Library from inception till January 2025 for randomized controlled trials or their subgroup analyses comparing IV versus IO access in adult OHCA patients. The data for clinical outcomes were extracted, and forest plots were generated using the random-effects model in the Review Manager 5.4. We included 6 studies reporting data for 19,811 patients. The pooled analysis demonstrated that IO access had significantly higher odds of successful vascular access on first attempt [odds ratio (OR), 1.25; 95% confidence interval (CI), 0.19–0.34], but this did not translate to improved survival to hospital discharge (OR, 1.23; 95% CI, 0.90–1.67), survival to hospital discharge with a favorable neurological outcome (OR, 1.28; 95% CI, 0.93–1.76), and return of spontaneous circulation (OR, 1.13; 95% CI, 0.67–1.93). Intravenous and intraosseous vascular access have similar effects on clinical outcomes in patients with OHCA. The preferred method for vascular access should depend on the responder’s feasibility and expertise.

Heart failure with reduced ejection fraction is a major cause of morbidity and mortality. Cardiac resynchronization therapy (CRT) improves outcomes but faces challenges such as unsuccessful lead placement and suboptimal responses. The Wireless Stimulation Endocardially for CRT (WiSE-CRT) system, a novel leadless left ventricular (LV) pacing technology, uses ultrasonic energy to deliver electrical stimulation directly to the LV endocardium, potentially improving the response rates. A comprehensive literature search was performed across multiple databases from inception until August 2024. The outcomes of interest included the New York Heart Association (NYHA) functional score, LV ejection fraction (LVEF), LV end-diastolic volume (LVEDV), LV end-systolic volume (LVESV), and QRS duration. Statistical analysis involved pooling the mean differences (MDs) and their corresponding 95% confidence intervals (CIs) from each study using the inverse-variance random-effects model in RevMan version 5.4.1 software. Seven studies, including 468 patients with heart failure treated with the WiSE-CRT system, were included. The pooled analysis showed significant improvements in NYHA functional score (MD: −0.44; 95% CI: −0.67 to −0.21; P = 0.0002; I 2 = 77%), LVEF (MD: 5.71; 95% CI: 4.54 to 6.87; P < 0.001), LVEDV (MD: −24.49; 95% CI: −33.24 to −15.73; P < 0.001), and LVESV (MD: −24.47; 95% CI: −32.80 to −16.14; P < 0.001). The QRS duration also decreased significantly (MD: −38.62; 95% CI: −46.76 to −30.49; P < 0.001; I 2 = 60%). The WiSE-CRT system significantly improved NYHA functional score, LVEF, QRS duration, LVEDV, and LVESV in patients with heart failure. This leadless pacing technology offers a promising alternative for ineligible candidates or for those who do not respond to conventional CRT.

Cardiovascular disease (CVD) is the leading cause of mortality and morbidity worldwide. Low-dose colchicine is a novel and nonstandard management approach for patients with CVDs who are at an increased risk of adverse events. However, few studies have reported the risk of stroke with colchicine, with controversial results. This meta-analysis aimed to compare the efficacy of colchicine and placebo for stroke prevention in patients with CVD. Major electronic databases were screened for randomized controlled trials (RCTs) comparing colchicine and placebo in patients with CVDs from inception to June 2024. Pooled estimates were calculated as risk ratios (RRs) with 95% confidence intervals (CIs) using an inverse-variance random-effects model. Statistical significance was set at P < 0.05. A total of 15 RCTs encompassing 25,116 patients with CVDs were included (12,568: colchicine and 12,548: placebo). The pooled analysis demonstrated a significant reduction in stroke [RR, 0.80 (95% CI, 0.64–0.99); P = 0.04] with colchicine compared with placebo. The risk of all-cause mortality [RR, 1.00 (95% CI, 0.77–1.28)] was comparable between the 2 groups. On subgroup analysis, low-dose colchicine (0.5 mg/day) demonstrated a significantly lower risk of stroke compared with high-dose (>0.5 mg/day) colchicine, which failed to achieve statistical significance. Based on this meta-analysis, colchicine significantly reduced stroke in patients with CVDs compared with placebo. This effect was most significant with low-dose colchicine at 0.5 mg/day. However, no differences were observed in all-cause mortality. Further long-term RCTs are warranted to investigate stroke prevention using colchicine in this population.

Background and Objectives: The epidemiological data regarding mortality rates of adults with sarcoidosis and non-ischemic cardiovascular disease (CVD) are limited. A retrospective observational analysis was conducted to identify trends and disparities related to sarcoidosis and non-ischemic cardiovascular disease mortality among the adult US population from 1999 to 2022. Methods: We used the Centers for Disease Control and Prevention (CDC) WONDER database to extract death certificate data for the adult US population (≥25 years). The age-adjusted mortality rates (AAMRs) per 100,000 persons were calculated, and annual percent changes (APCs) were determined using Joinpoint. Results: Between 1999 and 2022, 23,642 deaths were identified related to non-ischemic CVD + sarcoidosis. The overall AAMR increased from 0.2 (95% CI, 0.2 to 0.3) in 1999 to 0.5 (95% CI, 0.5 to 0.6) in 2022. Females had a higher AAMR than males (0.6 vs. 0.5). Non-Hispanic (NH) blacks had the highest AAMR, followed by NH whites and Hispanic or Latinos. The southern region had the highest AAMR (0.7: 95% CI, 0.6–0.7), followed by the Midwest (0.6, 95% CI, 0.54–0.669), the Northeast (0.5, 95% CI, 0.5 to 0.6), and the West (0.4; 95% CI, 0.3–0.4). Urban and rural areas had comparable mortality rates (0.5 vs. 0.6). People aged 65+ had the highest AAMRs. Conclusions: The overall mortality rates for non-ischemic CVD and sarcoidosis have increased in the US from 1999 to 2022. Females and NH blacks had higher AAMRs, while a minimal variation was observed based on geographical regions. Early diagnosis and prompt management are the keys to reducing the mortality burden of non-ischemic CVD plus sarcoidosis.

Background: The highly arrhythmogenic nature of cardiac sarcoidosis (CS) leads to high morbidity and mortality, the rates of which may be higher in COVID-19 patients. This study aimed to evaluate the outcomes of CS patients admitted to hospitals with COVID-19. Methods: The study utilised the 2020–2021 National Inpatient Sample database, examining primary COVID-19 cases in adults aged older than or equal to 18 years. Those with CS were identified using ICD-10 code “D86.85” and compared with and without propensity matching (1:10) to those without CS for baseline characteristics and primary outcomes of acute kidney injury (AKI), use of mechanical ventilation, cardiac arrest and mortality. Results: In total, 2 543 912 COVID-19 cases were identified. Before propensity matching, CS patients were more likely to be younger (58.0 vs. 64.0 years, P<0.01), male (64.0% vs. 52.6%, P=0.011), of Black ethnicity (60.0% vs. 15.9%, P<0.01), exhibit higher Charlson Comorbidity Index (CCI) scores (3.00 vs. 1.00, P<0.01) and had a higher incidence of in-hospital cardiac arrest (aOR 2.649, 95% CI 1.366–5.134, P=0.004). After propensity matching (CS, N=95; non-CS, N=875), those with CS were at a statistically significant reduced risk of AKI (aOR 0.484, P=0.01); however, the outcomes of death, cardiac arrest, mechanical ventilation, length of stay (LOS) and healthcare costs did not reach significance. Conclusion: In a propensity-matched cohort admitted with COVID-19, CS patients had a reduced risk of AKI, but comparable LOS, rates of cardiac arrest, mechanical ventilator use, and mortality. Future research is warranted to develop evidence-based guidelines for managing COVID-19 in patients with CS.