ArticleOpen heart2026
Factors associated with length of stay among patients with acute myocardial infarction undergoing percutaneous coronary intervention: findings from the CCC-ACS project.
Article in Open heart, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02306616 (Improving Care for Cardiovascular Disease in China), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Improving Care for Cardiovascular Disease in China: A Collaborative Project of AHA and CSC (CCC Project) - Acute Coronary Syndrome
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3 authors.
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Abstract
objectiveProlonged length of stay (LOS) contributes substantially to the healthcare burden in patients with acute myocardial infarction (AMI) undergoing percutaneous coronary intervention (PCI), yet large-scale evidence from Chinese populations remains limited. This study aimed to identify factors associated with prolonged LOS among AMI patients undergoing PCI.
methodsData were derived from the nationwide CCC-ACS (Improving Care for Cardiovascular Disease in China-Acute Coronary Syndrome) registry (November 2014 to December 2020). A total of 70 209 AMI patients aged 18-80 years undergoing PCI were included. Prolonged LOS was defined as >75th percentile. Multivariable logistic regression was used to identify independent predictors. Temporal trends in LOS from 2015 to 2020 were also assessed. Patients were further stratified by five pre-admission risk factors to assess dose-response relationships.
resultsLOS decreased in ST-segment elevation myocardial infarction from 2015 to 2017 but remained stable thereafter, with no significant change in non-ST-segment elevation myocardial infarction. Female sex (OR=0.823), prior PCI (OR=0.745) and hyperlipidaemia (OR=0.917) were associated with a lower risk of prolonged LOS, whereas older age (OR=1.013), prior heart failure (OR=2.230), diabetes (OR=1.140) and transient ischaemic attack (OR=1.341) were independently associated with an increased risk of prolonged LOS (all p<0.05). A significant dose-response relationship was observed, with higher risk associated with increasing numbers of risk factors.
conclusionProlonged LOS among AMI patients undergoing PCI was associated with both baseline characteristics and in-hospital factors, with a clear cumulative effect, which may aid risk stratification and optimisation of in-hospital management. TRIAL REGISTRATION NUMBER: NCT02306616.
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