Key result
South Asian ethnicity shows no difference in post-PCI mortality compared to Caucasian ethnicity.
Why the study?
Ethnic differences in case fatality rates after PCI between South Asian and Caucasian patients were uncertain.
Does South Asian ethnicity compared to Caucasian ethnicity affect mortality and adverse cardiac events in patients undergoing percutaneous coronary intervention?
Population
9,771 patients undergoing PCI at a cardiology referral centre in east London
Comparison
South Asian ethnicity vs Caucasian ethnicity
Design
Retrospective cohort study
Follow-up
Median 2.5 years (range 1.5-3.6 years)
Authors
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Supports equivalent post-PCI survival by ethnicity; hypothesis-generating and requires confirmation in larger cohorts.
Cohort (n=9,771)
No
Does South Asian ethnicity compared to Caucasian ethnicity affect mortality and adverse cardiac events in patients undergoing percutaneous coronary intervention?
Hazard Ratio: 1 (95% CI 0.81–1.23)
South Asian patients undergoing PCI have similar in-hospital MACE and long-term mortality compared to Caucasian patients, despite presenting at a younger age with a higher burden of type II diabetes and requiring more subsequent revascularization.
Jones et al. (2011) conducted a cohort in percutaneous coronary intervention (PCI) (n=9,771). South Asian ethnicity vs. Caucasian ethnicity was evaluated on all-cause mortality (HR 1.00, 95% CI 0.81 to 1.23). South Asian ethnicity was not associated with a higher risk of long-term all-cause mortality compared to Caucasian ethnicity following percutaneous coronary intervention (adjusted HR 1.00; 95% CI 0.81-1.23).
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