Wong, Hon Jen;
Toh, Keith Zhi Xian;
Low, Chen Ee;
Yau, Chun En;
Teo, Yao Hao;
Teo, Yao Neng;
Ho, Vanda Wt;
... Sia, Ching-Hui; + view all
(2025)
Guideline-Directed Medical Therapy in Nonagenarians and Centenarians (≥90 Years Old) After First-Onset Myocardial Infarction - A National Registry Study.
Canadian Journal of Cardiology
10.1016/j.cjca.2025.01.031.
(In press).
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Abstract
BACKGROUND: Guideline-directed medical therapies (GDMT) - beta-blockers, antiplatelet drugs, lipid-lowering drugs, and renin-angiotensin system agents have been associated with reduced risk of mortality after acute myocardial infarction (AMI). However, this survival benefit conferred by GDMTs in nonagenarians and centenarians (≥90 years old) is not well-defined. METHODS: We investigated restricted mean survival times of patients ≥90 years old with first-onset AMI treated with GDMTs from 2007 to 2020 in the Singapore Myocardial Infarction Registry. Primary analyses involved stratification by the number of GDMTs prescribed at discharge, with derivation of pairwise restricted mean survival ratios free from all-cause mortality at 1-year, 3-years and 5-years. Secondary analyses evaluated individual GDMTs within combinations of 1-3 GDMTs. RESULTS: The analysis included 3,264 patients: 0 GDMTs (561 patients, 17.2%), 1-2 GDMTs (1,294 patients, 39.6%), 3 GDMTs (904 patients, 27.7%), and 4 GDMTs (505 patients, 15.5%), with median follow-up duration of 5.71 years. Patients who received 4 GDMTs at discharge were younger, had more comorbidities, were more likely to be smokers, and to undergo PCI than those prescribed fewer GDMTs. A greater number of GDMT classes at discharge was associated with longer survival free from all-cause mortality at 1, 3, and 5 years. Each drug class within combinations of 1-3 GDMTs were associated with significant survival benefit at all time points, except for beta-blockers. CONCLUSION: Prescription of any number of GDMTs to nonagenarians and centenarians after first-onset AMI is associated with significant survival benefit.
| Type: | Article |
|---|---|
| Title: | Guideline-Directed Medical Therapy in Nonagenarians and Centenarians (≥90 Years Old) After First-Onset Myocardial Infarction - A National Registry Study |
| Location: | England |
| DOI: | 10.1016/j.cjca.2025.01.031 |
| Publisher version: | https://doi.org/10.1016/j.cjca.2025.01.031 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Acute Myocardial Infarction, Centenarians, Guideline-directed medical therapy, Mortality, Nonagenarians, Oldest Old, Very Elderly |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science > Pre-clinical and Fundamental Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10204846 |
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