Elderly patients with acute coronary syndromes admitted to Italian intensive cardiac care units: a Blitz-3 Registry sub-analysis

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Abstract

Background

Guideline-recommended therapies for acute coronary syndromes (ACS) derive from randomized trials in which elderly patients are underrepresented. Although numbers of this population are increasing, they are largely undertreated in the real world.

Objective

The study evaluates the impact of older age on care for patients with ACS admitted to the Italian Intensive Cardiac Care Units (ICCUs) network.

Methods

We analyzed data from the BLITZ-3 Registry in order to assess in-hospital care among unselected elderly patients (≥75 years).

Results

From 7–20 April 2008, 6986 consecutive patients with acute cardiac conditions were admitted to ICCUs and prospectively enrolled; 3636 (52%) had ACS and 38% of them were elderly. Elderly patients had a higher risk profile, their median length of stay in ICCU was longer [4 days, interquartile range (IQR): 3–6 vs. 3 days, IQR: 2–5; P < 0.0001] and guideline-recommended care was applied less often. At multivariable analysis, elderly patients were less likely to receive reperfusion [odds ratio (OR) = 0.53, 95% confidence interval (CI) = 0.42–0.67] for ST-elevation, or early coronary angiography (OR = 0.45, 95% CI = 0.37–0.56) for non-ST elevation ACS. Besides, unadjusted in-ICCU total mortality was higher for elderly patients with ST-elevation (11.8% elderly vs. 1.8% younger patients; P < 0.0001) or non-ST-elevation (3.9% elderly vs. 0.6% younger patients; P < 0.0001) ACS.

Conclusion

In a nationwide survey, age impacts on care. The elderly with ACS have a higher risk profile but receive less guideline-recommended care than younger patients. Thus, further improvements in care of this population should be pursued.

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