ArticleJournal of the Saudi Heart Association2020
Association Between Off-hour Presentations and In-hospital Mortality for Patients with Acute ST-Elevation Myocardial Infarction Treated with Primary Percutaneous Coronary Intervention.
Article in Journal of the Saudi Heart Association, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 2 of them syntheses that pooled it.
What it found
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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
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
5 citing papers in PubMed, 2 syntheses or guidelines pooled it, 4 citations in OpenAlex.
- Effect of off-hours admission on in-hospital mortality in sub-Saharan Africa: a systematic review and meta-analysis.Journal of health, population, and nutrition · 2026Pooled it
- Association Between Out-of-Hour Admission and Short- and Long-Term Mortality in Acute Myocardial Infarction: A Systematic Review and Meta-Analysis.Frontiers in cardiovascular medicine · 2021Pooled it
- Door-to-Balloon Time and Clinical Outcome of Patients Presenting with ST-Segment Elevation Myocardial Infarction During on and off Hours: a Single Center Study.Medical archives (Sarajevo, Bosnia and Herzegovina) · 2025Article
- Association of Admission Time and Mortality in STEMI Patients: A Systematic Review and Meta-analysis.The International journal of angiology : official publication of the International College of Angiology, Inc · 2022Article
- Out-of-hours presentation and 30-day myocardial infarction mortality in Mexico: a 2014-2023 retrospective study.REC, interventional cardiologyArticle
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis study aimed to assess the effect of the admission time (on-hours versus off-hours) on in-hospital mortality in patients with ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PPCI) in a region without STEMI network.
methodsWe analysed in-hospital the mortality among 300 consecutive ST-segment elevation myocardial infarction (STEMI) patients treated with PPCI between March 2012 and February 2017. Patients were divided according to admission time into on-hours admission (08:00 AM until 08:00 PM on weekdays) versus off-hours admission (08:00 PM until 08:00 AM on weekdays and 24 h on weekends and holidays). Demographic and clinical data as well as in-hospital mortality were compared between the two groups.
resultsOne hundred and seventy eight (59.3%) patients were admitted during on-hours, and 122 (40.7%) patients were presented in off-hours. The mean door-to-balloon time was 42.3 min in the off-hours group and 34.2 min in the on-hours group with no statistically significant difference (p = 0.39). The mortality rate was 3.9% at on-hours presentation versus 4.09% in off-hours admission (p = 0.58). Multivariate logistic regression analysis showed that off-hours presentation was not associated with in-hospital mortality. [odds ratio (OR) 0.74; 95% CI, 0.21-2.61, p = 0.64].
conclusionDespite no efficient STEMI network in present study, off-hour presentation had no significant impact on in-hospital prognosis in patients with STEMI treated with PPCI. Larger studies are warranted in order to determine the prognostic role of off-hour presentation in patients with STEMI undergoing PPCI.
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