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Percutaneous coronary intervention in elderly patients: is it beneficial?

ABSTRACT: Persons aged 65 years or older, often referred to as the elderly, are a rapidly increasing population in the United States. Cardiovascular disease is the most common cause of morbidity and death in this age group, and acute coronary syndrome accounts for a significant proportion of the deaths. Percutaneous coronary intervention is a well-established treatment for acute coronary syndrome and symptomatic coronary artery disease. However, community studies have shown that elderly patients are less likely to undergo revascularization, perhaps due to a "treatment-risk" paradox: elderly patients-at higher risk of morbidity and death from acute coronary syndrome-are denied revascularization even though they are likely to benefit from it. Age alone is one of the many reasons why percutaneous coronary intervention is avoided in elderly patients. This review examines past clinical trials and the existing evidence that supports performing percutaneous coronary intervention in elderly patients.

SUBMITTER: Shanmugasundaram M

PROVIDER: S-EPMC3147189 | biostudies-other | 2011

REPOSITORIES: biostudies-other

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Percutaneous coronary intervention in elderly patients: is it beneficial?

Shanmugasundaram Madhan M

Texas Heart Institute journal 20110101 4

Persons aged 65 years or older, often referred to as the elderly, are a rapidly increasing population in the United States. Cardiovascular disease is the most common cause of morbidity and death in this age group, and acute coronary syndrome accounts for a significant proportion of the deaths. Percutaneous coronary intervention is a well-established treatment for acute coronary syndrome and symptomatic coronary artery disease. However, community studies have shown that elderly patients are less ...[more]

PMID: 21841868

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Project description:PurposeMalnutrition has been shown to be related to adverse clinical outcomes in patients with heart failure, hypertension, atrial fibrillation and other cardiovascular diseases. However, in the patients with coronary artery disease (CAD) undergoing percutaneous coronary interventions (PCI), especially in the elderly, the association of nutritional state and all-cause mortality remains unknown. We aimed to investigate the association of malnutrition with all-cause mortality in the elder patients undergoing PCI.Patients and methodsBased on the largest retrospective and observational cohort study from January 2007 to December 2017, the Controlling Nutritional Status (CONUT) score was applied to 21,479 consecutive patients with age ≥60 who undergoing PCI for nutritional assessment. Participants were classified as absent, mild, moderate and severe malnutrition by CONUT score. The Kaplan-Meier method was used to compare all-cause mortality among the above four groups. Multivariable Cox proportional hazard regression analyses were performed to examine the association of malnutrition with all-cause mortality.ResultsAccording to the CONUT score, 48.19%, 15.08% and 0.94% patients were mildly, moderately and severely malnourished, respectively. During a median follow-up of 5.16 years (interquartile range: 3.02 to 7.89 years), 3173 (14.77%) patients died. Kaplan-Meier analysis showed that the risk of all-cause mortality was significantly higher in patients with a worse nutritional status. Compared with normal nutritional state, malnutrition was associated with significantly increased risk for all-cause mortality (adjusted hazard ratio for mild, moderate and severe degrees of malnutrition, respectively: 1.20 [95% confidence interval (CI): 1.09 to 1.33], 1.32 [95% CI: 1.17 to 1.49] and 1.76 [95% CI: 1.33 to 2.33]).ConclusionMalnutrition is prevalent among elderly patients with CAD undergoing PCI, and is strongly related to the all-cause mortality increasing. For elderly patients with CAD undergoing PCI, it is necessary to assess the status of nutrition, and evaluate the efficacy of nutritional interventions.

Project description:There are few reports on the long-term clinical outcome after percutaneous coronary intervention (PCI) in patients with stable coronary artery disease (CAD) complicated with frailty. This novel study investigated the association between pre-PCI frailty and long-term clinical outcomes in elderly patients aged 65 years or older with stable CAD who underwent elective PCI. We assessed 239 consecutive patients aged 65 years or older with stable CAD who underwent successful elective PCI at Kagoshima City Hospital between January 1st, 2017 and December 31st, 2020. Frailty was retrospectively assessed using the Canadian Study and Aging Clinical Frailty Scale (CFS). Based on the pre-PCI CFS, patients were divided into two groups: the non-frail (CFS < 5) and the frail (CFS ≥ 5) group. We investigated the association between pre-PCI CFS and major adverse cardiovascular events (MACEs) defined as the composite of all-cause death, non-fatal myocardial infarction, non-fatal stroke, and heart failure requiring hospitalization. Additionally, we assessed the association between pre-PCI CFS and major bleeding events defined as Bleeding Academic Research Consortium (BARC) type 3 or 5 bleeding. The mean age was 74.8 ± 7.0 years, and 73.6% were men. According to the pre-PCI frailty assessment, 38 (15.9%) and 201 (84.1%) were classified as frail and non-frail groups, respectively. During a median follow-up of 962 (607-1284) days, 46 patients developed MACEs and 10 patients developed major bleeding events. Kaplan-Meier curves showed a significantly higher incidence of MACE in the frail group compared to those in the non-frail group (Log-rank p < 0.001). Even in multivariate analysis, pre-PCI frailty (CFS ≥ 5) was independently associated with MACE (HR 4.27, 95% CI 1.86-9.80, p-value: < 0.001). Additionally, the cumulative incidence of major bleeding events was significantly higher in the frail group than in the non-frail group (Log-rank p = 0.001). Pre-PCI frailty was an independent risk factor for MACE and bleeding events in elderly patients with stable CAD who underwent elective PCI.

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Percutaneous coronary intervention in elderly patients: is it beneficial?

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Percutaneous coronary intervention in elderly patients: is it beneficial?

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