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Trends in ischemic heart disease and thromboembolism-related mortality in the United States, 1999-2024: A
Muhammad Shaheer Bin Faheem1, Yumna Fatima2, Syeda Umbreen Munir3
1Karachi Institute of Medical Sciences, KIMS, Karachi, Sindh, Pakistan.
Insights
Mortality from ischemic heart disease (IHD) and thromboembolism remains a concern, with recent years showing an upward trend. Disparities persist among older adults, men, minorities, and non-metropolitan residents, highlighting the need for targeted public health interventions.
Area of Science:
- Cardiovascular epidemiology
- Public health surveillance
- Mortality trends analysis
Background:
- Ischemic heart disease (IHD) and thromboembolism are leading causes of cardiovascular mortality in the U.S.
- Thrombosis underlies both arterial and venous events, including stroke, pulmonary embolism (PE), and deep vein thrombosis (DVT).
- An aging population and increased risk factors like obesity and diabetes necessitate understanding long-term mortality trends.
Purpose of the Study:
- To assess national trends in IHD- and thromboembolism-associated mortality from 1999 to 2024.
- To examine variations in mortality by age, sex, race/ethnicity, geographic region, and urban-rural classification.
- To inform future public health programs and interventions.
Main Methods:
- Utilized CDC WONDER data (1999-2024) for mortality data on IHD (ICD codes I20-I25) and thromboembolism (ICD codes I74, I26, I80-I82) in individuals aged 45 and older.
- Calculated age-adjusted mortality rates (AAMR) per 100,000, stratified by demographic and geographic factors.
- Employed Joinpoint regression to analyze average annual percentage change (AAPC) and annual percentage change (APC).
Main Results:
- A total of 70,339 deaths were attributed to IHD and thromboembolism between 1999 and 2024.
- The overall AAMR showed a slight decrease from 2.6 in 1999 to 2.3 in 2024 (AAPC: -1.16), but exhibited fluctuations, including a recent rise.
- Highest AAMRs were observed in individuals aged 85+, men, Non-Hispanic Black or African American, residents of the South, and non-metropolitan areas.
Conclusions:
- Despite an overall stable trend, recent years show a concerning increase in mortality from IHD and thromboembolism.
- Significant disparities in mortality burden persist across age, sex, race, and geographic location, particularly affecting older adults, men, minorities, and non-metropolitan residents.
- Targeted and equitable public health interventions are crucial to reduce mortality in high-risk populations.
Introduction:
Ischemic heart disease (IHD) and thromboembolism continue to contribute to significant cardiovascular mortality in the United States in spite of increased prevention and treatment. Underlying both arterial and venous events, such as stroke, pulmonary embolism (PE), and deep vein thrombosis (DVT), is thrombosis. With the aging of the population and increased risk factors such as obesity and diabetes, awareness of long-term trends in mortality is needed. In this article, CDC WONDER data are used to assess national trends in IHD- and thromboembolism-associated mortality from 1999 to 2024, with attention given to variation by age, sex, and race/ethnicity to inform future public health programs.
Methods:
Mortality data for IHD-thromboembolism among those aged ≥45 in the US were extracted from the CDC WONDER (1999-2024), using ICD codes I20-I25 (IHD) and I74, I26, I80-I82 (thromboembolism). Age-adjusted mortality rates were calculated per 100,000 and stratified by age, sex, race/ethnicity, geographic region, and urban-rural classification. Joinpoint regression was used to evaluate average annual percentage change (AAPC) and annual percentage change (APC) with 95 % Confidence Intervals (CIs). A p-value of <0.05 was considered significant.
Results:
From 1999 to 2024, 70,339 deaths occurred due to IHD and thromboembolism. The AAMR decreased from 2.6 in 1999 to 2.3 in 2024 with an AAPC of -1.16 (95 % CI: -0.58 to -1.82). The AAMR initially inclined to 2.7 in 2001 with an APC of 1.95 (95 % CI: 5.40 to -1.94) followed by a drastic decline to 1.8 till 2018 with an APC of -2.40 (95 % CI: -2.18 to 4.90), afterward, the AAMR again incline to 2.3 in 2021 with an APC of 7.62 (95 % CI: -10.01 to -2.03). The stratified analysis revealed the highest AAMRs across the age group 85 years and older (16.03). Men consistently had higher AAMR than Women (AAMR: 2.7 vs. 1.9). By race, the highest AAMR was noted among NH Black or African American (3.4), followed by NH white (2.2). Regionally, the South showed the highest AAMR (2.4). Non-Metropolitan exhibited the highest AAMR than Metropolitan (AAMR: 12.6 vs. 10.8).
Conclusion:
Despite an overall stable age-adjusted mortality trend of ischemic heart disease and thromboembolism between 1999 and 2024, the most recent years have witnessed a disturbing rise. The most notable disparities persist by age, sex, race, and geographic area, with the largest burden in older adults, men, racial minorities, non-metropolitan residents, and residents of the Midwestern U.S. These findings emphasize the need for targeted interventions and equitable public health interventions to reduce mortality among high-risk groups.
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