ArticleJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2018
Prediction of 14-year cardiovascular outcomes by dobutamine stress
Article in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Cardiovascular outcomes and mortality after abnormal myocardial perfusion scans in the elderly: a retrospective study at a tertiary care institution.Journal of geriatric cardiology : JGC · 2023Article
- Prediction of 14-year cardiovascular outcomes by dobutamine stress 99mTc-tetrofosmin myocardial perfusion SPECT; methodological issues in prediction studies.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2019Article
- Prognostic accuracy of myocardial perfusion imaging in octogenarians.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2018Article
- Stress myocardial perfusion imaging in the elderly.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2018Article
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5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDobutamine stress myocardial perfusion imaging (MPI) is a useful alternative for the evaluation of coronary artery disease (CAD) in elderly patients who are unable to perform an exercise stress test. However, data on the long-term prognostic value of stress MPI in elderly patients are lacking. Therefore, this study evaluated the long-term prognostic value of dobutamine stress MPI in elderly patients unable to perform an exercise test.
methodsThe study population consisted of 247 elderly patients (mean age 71 ± 5 years) who underwent dobutamine stress single-photon emission computed tomography (SPECT) MPI. An abnormal SPECT study was defined as the presence of fixed and/or reversible perfusion defects. A summed stress score (SSS) was obtained to estimate the extent and severity of perfusion defects. End points during follow-up were all-cause mortality, cardiac mortality, and nonfatal myocardial infarction (MI).
resultsDuring a median follow-up of 14 years (range 12-16), 168 (68%) patients died (all-cause mortality), of which 56 (23%) were due to cardiac causes. Nonfatal MI occurred in 19 (8%) patients. Kaplan-Meier survival curves showed that MPI provided optimal risk stratification in patients with normal and abnormal MPI. Multivariable analysis identified an abnormal MPI as a strong significant predictor of all-cause mortality and cardiac events. A multivariable analysis also revealed that a reversible defect and SSS were strong long-term predictors of cardiac mortality and hard cardiac events.
conclusionDobutamine stress
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