Key result
Diabetes or possible diabetes was associated with a twofold higher risk of in-hospital all-cause death (adjusted OR 2.04) compared to no diabetes among patients with acute coronary syndrome.
Why the study?
Up-to-date information in China was lacking regarding the burden of diabetes in ACS patients and its impact on in-hospital outcomes, including early mortality and MACCE.
Does the presence of diabetes increase the risk of in-hospital mortality and MACCE in patients with acute coronary syndrome?
Observational (n=63,450)
Yes
Does the presence of diabetes increase the risk of in-hospital mortality and MACCE in patients with acute coronary syndrome?
In Chinese patients with acute coronary syndrome, diabetes is highly prevalent (37.6%) and independently associated with a twofold increased risk of in-hospital mortality and a 1.5-fold increased risk of MACCE.
Supports risk stratification by diabetes status in ACS; leaves open whether targeted interventions improve in-hospital outcomes.
BACKGROUND: Guidelines have classified patients with acute coronary syndrome (ACS) and diabetes as a special population, with specific sections presented for the management of these patients considering their extremely high risk. However, in China up-to-date information is lacking regarding the burden of diabetes in patients with ACS and the potential impact of diabetes status on the in-hospital outcomes of these patients. This study aims to provide updated estimation for the burden of diabetes in patients with ACS in China and to evaluate whether diabetes is still associated with excess risks of early mortality and major adverse cardiovascular and cerebrovascular events (MACCE) for ACS patients. METHODS: The Improving Care for Cardiovascular Disease in China-ACS Project was a collaborative study of the American Heart Association and the Chinese Society of Cardiology. A total of 63,450 inpatients with a definitive diagnosis of ACS were included. Prevalence of diabetes was evaluated in the overall study population and subgroups. Multivariate logistic regression was performed to examine the association between diabetes and in-hospital outcomes, and a propensity-score-matched analysis was further conducted. RESULTS: Among these ACS patients, 23,880 (37.6%) had diabetes/possible diabetes. Both STEMI and NSTE-ACS patients had a high prevalence of diabetes/possible diabetes (36.8% versus 39.0%). The prevalence of diabetes/possible diabetes was higher in women (45.0% versus 35.2%, p < 0.001). Even in patients younger than 45 years, 26.9% had diabetes/possible diabetes. While receiving comparable treatments for ACS, diabetes/possible diabetes was associated with a twofold higher risk of all-cause death (adjusted odds ratio 2.04 [95% confidence interval 1.78-2.33]) and a 1.5-fold higher risk of MACCE (adjusted odds ratio 1.54 [95% confidence interval 1.39-1.72]). CONCLUSIONS: Diabetes was highly prevalent in patients with ACS in China. Considerable excess risks for early mortality and major adverse cardiovascular events were found in these patients. Trial registration NCT02306616. Registered December 3, 2014.
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Zhou et al. (2018) conducted an observational in Acute coronary syndrome (n=63,450). Diabetes or possible diabetes vs. No diabetes was evaluated on In-hospital all-cause death (adjusted OR 2.04, 95% CI 1.78-2.33, p=<0.001). Diabetes or possible diabetes was associated with a twofold higher risk of in-hospital all-cause death (adjusted OR 2.04) compared to no diabetes among patients with acute coronary syndrome.
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