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. 2005 Apr;13(4):132–138.

Changing profile of elderly patients undergoing coronary bypass surgery

ECW Cloin, L Noyez
PMCID: PMC2497296  PMID: 25696472

Abstract

Objective

Are elderly patients now undergoing CABG at higher risk than several years ago?

Methods

1536 patients, aged between 70 and 77 years, who underwent CABG between January 1987 and December 2001, were analysed. Group A 1987-1989 (n=177); group B 1990-1992 (n=243); group C 1993-1995 (n=362); group D 1996-1998 (n=418); and group E 1999-2001 (n=336). The Euroscore evaluated operative risk.

Results

There was an increase in the percentage of the study population from 12.5 to 24.1% (p=0.000). Mean age increased from 72.1±1.8 to 73.2±1.9 years (p=0.047). The percentage of patients with neurological (p=0.002), renal (p=0.013) and lung disease (p=0.04), a previous PTCA (p=0.000), left main stenosis (p=0.003), impaired ventricular function (p=0.000) and reoperations (p=0.01) increased. Emergency/urgent operations (p=0.001) decreased. Hospital mortality decreased from 7.3 to 5.7% (p=0.34). Only neurological problems increased significantly (p=0.03). The calculated operative risk by Euroscore remained stable (p=0.28). To eliminate the influence of the urgent/emergency situation, the Euroscore was recalculated, supposing that all patients were elective. At that moment a significant increase in the operative risk was seen (p=0.02).

Conclusion

Over the last few years there has not only been an increase in the number of older patients undergoing CABG, but even in this older population there is an increasing number of high-risk patients.

Keywords: coronary bypass surgery, elderly, Euroscore, morbidity, mortality, risk

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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