SynthesisThe Journal of international medical research2020
Early invasive strategy for non-ST elevation acute coronary syndrome: a meta-analysis of randomized, controlled trials.
Synthesis in The Journal of international medical research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the 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.
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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.
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivePatients with non-ST elevation acute coronary syndrome (NSTE-ACS) benefit from coronary intervention, but the optimal timing for an invasive strategy is not well defined. This study aimed to determine whether an early invasive strategy (<12 hours) is superior to a delayed invasive strategy.
methodsTwelve studies of nine randomized, controlled trials of 8586 patients were included.
resultsThere were no significant differences in all-cause death (risk ratio [95% confidence interval]) (0.90, [0.77-1.06), re-myocardial infarction (re-MI) (0.95 [0.70-1.29]), major bleeding (0.97 [0.77-1.23]), and refractory ischemia (0.74 [0.53-1.05]) when we compared use of early and delayed invasive strategies. Furthermore, analysis of the effect of the chosen strategy on high-risk patients showed that the rate of composite death or re-MI was significantly decreased in patients with either a Global Registry of Acute Coronary Events (GRACE) risk score >140 or with elevated troponin levels (risk ratio 0.82 [0.72-0.92]; risk ratio 0.84 [0.76-0.93], respectively).
conclusionsThis meta-analysis shows that an early angiographic strategy does not improve clinical outcome in patients with NSTE-ACS. An early invasive strategy might reduce the rate of composite death or re-MI in high-risk patients with GRACE risk scores >140 or elevated cardiac markers.
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