Several randomized trials have demonstrated the benefits of an invasive strategy for
older patients with acute coronary syndromes (ACS); however, there are limited real-world
data of the temporal trends in the use of percutaneous coronary intervention (PCI)
in this population. This was a retrospective observational analysis. We queried the
National Inpatient Sample database from 1998 to 2013 for patients aged ≥70 years who
had non–ST-elevation acute coronary syndrome (NSTE-ACS) or ST-elevation myocardial
infarction (STEMI). We reported the temporal trends of PCI and in-hospital mortality.
A total of 6,720,281 hospitalizations with ACS were identified in advanced age patients,
18.3% of whom also underwent PCI. There was an upward trend in the rate of PCI in
older adults ≥70 years with any ACS from 9.4% in 1998 to 28.3% in 2013 (p <0.001),
as well as in cases of PCI for NSTE-ACS (7.3% in 1998 vs 24.9% in 2013, p <0.001)
and PCI for STEMI (11% in 1998 vs 35.7% in 2013, p = 0.002). This upward trend was
consistent in all age categories (70 to 79), (80 to 89) and ≥90 years. Despite an
increase in the prevalence of comorbidities for ACS hospitalizations aged ≥70 years
who received PCI, the in-hospital mortality rate showed a downward trend (p <0.001).
Multivariate analysis adjusting for various comorbidities showed that PCI was associated
with lower in-hospital mortality and length of hospital stay among elderly with NSTE-ACS
and STEMI. In conclusion, in this 16-year analysis there was an increase in the rate
of PCI procedures among older adults with ACS. PCI was independently associated with
lower mortality in elderly patients with ACS.
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Article info
Publication history
Published online: September 27, 2018
Accepted:
September 21,
2018
Received in revised form:
September 16,
2018
Received:
July 28,
2018
Identification
Copyright
Published by Elsevier Inc.
