Very late clinical progression of patients with acute myocardial infarction submitted to primary angioplasty.
BACKGROUND
Information on the clinical progression, in the long term, of patients submitted to mechanical reperfusion is scarce.


OBJECTIVE
The objective of this study is to describe the long-term clinical progression of patients submitted to primary stenting.


METHODS
Between January 1998 and December 2003 we studied a non-concurring cohort with a fixed population of 202 patients (mean age = 61.2 +/- 7.7 years; 74.7% males and 25.3% females) submitted to primary stenting. All the patients were followed up clinically and we assessed the occurrence of deaths, acute myocardial infarction (AMI), cerebral vascular accident (CVA) and surgical or percutaneous myocardial revascularization (MR). Kaplan-Meier survival curves were built for the following events: death, deaths/AMI, deaths/AMI/CVA and major cardiovascular events (MCE).


RESULTS
In 91.5% of the patients the procedure was successful. During hospital stay, mortality was 3.4%; reinfarction was 0.9%; CVA was 1.8%; and urgent MR was 1.4%. Clinical follow-up varied from 29 to 100 months (mean = 58.7 +/- 19.7 months). Death-free survival was estimated at 93.6%; death/AMI-free survival at 89.6%; death-AMI/CVA-free survival at 87.1%; and MCE-free survival at 71.3%


CONCLUSIONS
Primary stenting presented excellent results during hospital stay. Very late clinical follow-up demonstrated that these good initial results have held up.
Oliveira
Dinaldo Cavalcanti de
DC
Associação do Sanatório Sírio - Hospital do Coração, São Paulo, SP - Brasil. doliveira@hcor.com.br
Oliveira
João Bosco
JB
Ferro
Carlos Romerio
CR
Rosa
Carla Gonçalves
CG
Borba
Luciano Araujo
LA
Knopp
Francine
F
Oliveira
Gustavo Porto
GP
Silva
Cleiton Ramos
CR
Piegas
Leopoldo Soares
LS
D000208:Acute Disease; D015906:Angioplasty, Balloon, Coronary; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality* / Q000628:therapy; D009204:Myocardial Revascularization / Q000706:statistics & numerical data; D015607:Stents; D020521:Stroke / Q000453:epidemiology; D016019:Survival Analysis; D013997:Time Factors; D016896:Treatment Outcome