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Trends in Acute Myocardial Infarction Mortality Among Patients With Chronic Kidney Disease in the United States
Muhammad Shaheer Bin Faheem1, Syed Tawassul Hassan2, Syeda Umbreen Munir2
1From the Department of Cardiology, Karachi Institute of Medical Sciences, KIMS, Karachi, Sindh, Pakistan.
Insights
Mortality from acute myocardial infarction (AMI) in chronic kidney disease (CKD) patients declined overall but shows persistent disparities. Targeted interventions are needed for high-risk groups like males and nonmetropolitan residents.
Area of Science:
- Cardiology
- Nephrology
- Epidemiology
Background:
- Chronic kidney disease (CKD) is a significant risk factor for acute myocardial infarction (AMI) and adverse cardiovascular outcomes.
- Understanding long-term mortality trends in CKD patients is crucial for public health strategies.
Purpose of the Study:
- To analyze long-term trends in AMI mortality among US adults with CKD from 1999 to 2024.
- To identify demographic and geographic disparities in AMI mortality within the CKD population.
Main Methods:
- Utilized the CDC's Wide-ranging Online Data for Epidemiologic Research (WONDER) database.
- Analyzed death certificates for individuals aged ≥45 years with AMI as the underlying cause and CKD as contributing.
- Calculated age-adjusted mortality rates (AAMRs) and used Joinpoint regression for trend analysis.
Main Results:
- A total of 81,465 deaths were identified. The overall AAMR decreased from 4.5 in 1999 to 1.5 in 2024.
- Males, non-Hispanic African Americans, and older adults (≥65 years) exhibited higher AAMRs.
- Nonmetropolitan areas and the Western US showed elevated AMI mortality rates among CKD patients.
Conclusions:
- Despite an overall decline, significant disparities in AMI mortality persist among CKD patients based on age, sex, race/ethnicity, and location.
- Targeted and equitable interventions are necessary to mitigate the mortality burden in high-risk CKD populations.
Abstract:
Chronic kidney disease (CKD) significantly increases the risk of acute myocardial infarction (AMI)-related mortality by accelerating atherosclerosis and impairing cardiovascular outcomes. This study analyzes long-term trends in AMI mortality among patients with CKD in the United States from 1999 to 2024. We used the Centers for Disease Control and Prevention's Wide-ranging Online Data for Epidemiologic Research database to identify death certificates of individuals aged ≥45 years from 1999 to 2024, listing AMI as the underlying and CKD as a contributing cause of death. Age-adjusted mortality rates (AAMRs) per 100,000 population were calculated, and annual percent changes were determined using Joinpoint regression analysis. A total of 81,465 deaths were attributed to AMI in patients with CKD. The overall AAMR declined from 4.5 in 1999 to 1.5 in 2024, with a temporary increase between 2009 and 2012 (annual percent change: 18.03; P < 0.05). Males had consistently higher AAMRs (3.8) than females (2.0), and non-Hispanic African Americans (5.2) experienced nearly double the rates of other racial/ethnic groups. Older adults (≥65 years) had an AAMR of 6.2, 9 times higher than that of middle-aged adults (0.7). The highest rates were observed in the Western US and in nonmetropolitan areas (3.0 each). Despite an overall decline in AMI-related mortality among CKD patients over the past 2 decades, persistent disparities by age, sex, race/ethnicity, and geography remain, calling for the development of targeted and equitable approaches to reduce mortality burden across high-risk groups such as males and nonmetropolitan residents.
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