Age-Related Changes in Treatment Strategies for Acute Myocardial Infarction: A Population-Based Study

Authors: Barchielli, Alessandro¹; Buiatti, Eva²; Balzi, Daniela¹; Santoro, Giovanni M.³; Carrabba, Nazario⁴; Fabiani, Plinio⁵; Maci, Marcella¹; Margheri, Massimo⁶; Mangani, Irene⁷; Monami, Matteo⁷; Marchionni, Niccolò⁷

Source: Journal of the American Geriatrics Society, Volume 52, Number 8, August 2004 , pp. 1355-1360(6)

Publisher: Wiley-Blackwell

Abstract:

Objectives:

To compare across four age groups (<65, 65-74, 75-84, ≥85) the determinants of coronary reperfusion therapy (CRT) use in ST-segment elevation acute myocardial infarction (STE-AMI). Design:

Population-based, observational study. Setting:

Performed in the health district of Florence, Italy, where percutaneous coronary intervention (PCI) is the preferred CRT. Participants:

Nine hundred thirty patients with STE-AMI prospectively enrolled in the Florence AMI registry. Measurements:

Use of CRT, clinical factors associated with CRT use. Results:

CRT use was reduced from 71% at younger than 65 to 31% at aged 85 and older (P<.001). After adjusting for chronic comorbidity, Killip class, admission hospital category, hospitalization delay, and AMI location, CRT use was 29% (P=.17) lower at age 75 to 84 and 63% (P<.001) lower at age 85 and older than at younger than 65. Within each age group, the probability of receiving CRT was three to five times greater in patients directly admitted to the hospital with PCI facilities. Acute cardiac failure and chronic comorbidity were associated with lower CRT use only in patients aged 65 and older. Patients aged less than 85 years who received reperfusive therapy had a significantly lower risk of death (−44%, P=.045) at 1 year, whereas it was less evident and nonsignificant (−27%, P=.27) in patients aged 85 and older. Conclusion:

Results confirm that, although they might substantially benefit from CRT during STE-AMI, older patients are excluded from CRT even when eligible. This further indicates that clinicians are not yet completely prepared to manage most efficiently frail elderly with AMI, a task requiring a specific interdisciplinary training program in geriatric cardiology.

Keywords: acute myocardial infarction; treatment; reperfusion; older; PCI

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1532-5415.2004.52368.x

Affiliations: 1: Epidemiology Unit, Azienda Sanitaria di Firenze, Florence, Italy; 2: Epidemiology Unit, Tuscany Regional Health Agency, Florence, Italy; 3: Cardiology Unit, Nuovo San Giovanni di Dio Hospital, Azienda Sanitaria di Firenze, Florence, Italy; 4: Cardiology Unit 1, Azienda Ospedaliera Careggi, Florence, Italy; 5: Medicine I, Nuovo San Giovanni di Dio Hospital, Azienda Sanitaria di Firenze, Florence, Italy; 6: Unit of Internal Medicine and Cardiology, Department of Critical Care Medicine and Surgery, University of Florence and Azienda Ospedaliera Careggi, Florence, Italy; 7: Unit of Gerontology and Geriatric Medicine Unit, Department of Critical Care Medicine and Surgery, University of Florence Azienda Ospedaliera Careggi, Florence, Italy

Publication date: 2004-08-01

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• By this author: Barchielli, Alessandro ;  Buiatti, Eva ;  Balzi, Daniela ;  Santoro, Giovanni M. ;  Carrabba, Nazario ;  Fabiani, Plinio ;  Maci, Marcella ;  Margheri, Massimo ;  Mangani, Irene ;  Monami, Matteo ;  Marchionni, Niccolò

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