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J Korean Med Sci. 2014 Apr;29(4):527-35. doi: 10.3346/jkms.2014.29.4.527. Epub 2014 Apr 1.

Characteristics, in-hospital and long-term clinical outcomes of nonagenarian compared with octogenarian acute myocardial infarction patients.

Author information

1
Department of Cardiovascular Medicine, Chonnam National University Hospital, Gwangju, Korea.
2
Department of Internal Medicine, College of Medicine, Chungbuk National University, Chungju, Korea.
3
Department of Cardiovascular Medicine, East West Neo Medical Center, Seoul, Korea.
4
Department of Cardiovascular Medicine, Yeungnam University Hospital, Daegu, Korea.

Abstract

We compared clinical characteristics, management, and clinical outcomes of nonagenarian acute myocardial infarction (AMI) patients (n=270, 92.3 ± 2.3 yr old) with octogenarian AMI patients (n=2,145, 83.5 ± 2.7 yr old) enrolled in Korean AMI Registry (KAMIR). Nonagenarians were less likely to have hypertension, diabetes and less likely to be prescribed with beta-blockers, statins, and glycoprotein IIb/IIIa inhibitors compared with octogenarians. Although percutaneous coronary intervention (PCI) was preferred in octogenarians than nonagenarians, the success rate of PCI between the two groups was comparable. In-hospital mortality, the composite of in-hospital adverse outcomes and one year mortality were higher in nonagenarians than in octogenarians. However, the composite of the one year major adverse cardiac events (MACEs) was comparable between the two groups without differences in MI or re-PCI rate. PCI improved 1-yr mortality (adjusted hazard ratio [HR], 0.50; 95% confidence interval [CI], 0.36-0.69, P<0.001) and MACEs (adjusted HR, 0.47; 95% CI, 0.37-0.61, P<0.001) without significant complications both in nonagenarians and octogenarians. In conclusion, nonagenarians had similar 1-yr MACEs rates despite of higher in-hospital and 1-yr mortality compared with octogenarian AMI patients. PCI in nonagenarian AMI patients was associated to better 1-yr clinical outcomes.

KEYWORDS:

Aged, Eighty and over; Myocardial Infarction; Percutaneous Coronary Intervention

PMID:
24753700
PMCID:
PMC3991796
DOI:
10.3346/jkms.2014.29.4.527
[Indexed for MEDLINE]
Free PMC Article

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