Key result
In patients undergoing direct PCI for a first MI, successful reperfusion (TIMI 3 flow) significantly improved heart rate turbulence slope (P<0.001) and onset (P<0.01) compared to TIMI 2 flow.
Why the study?
Does successful reperfusion (TIMI 3 flow) via direct PCI improve heart rate turbulence in patients with acute MI compared to suboptimal reperfusion (TIMI 2 flow)?
Population
126 patients undergoing direct percutaneous coronary intervention (PCI) for a first myocardial infarction (MI)
Comparison
Direct PCI achieving TIMI 3 flow vs Direct PCI achieving TIMI 2 flow
Design
Cohort
Follow-up
24 hours after reperfusion
Authors
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Successful reperfusion may enhance post-MI autonomic recovery; hypothesis-generating for HRT as a prognostic marker.
Observational (n=126)
Does successful reperfusion (TIMI 3 flow) via direct PCI improve heart rate turbulence in patients with acute MI compared to suboptimal reperfusion (TIMI 2 flow)?
p-value: p=<0.001
Successful reperfusion (TIMI 3 flow) by direct PCI for acute MI rapidly improves heart rate turbulence, reflecting restored baroreceptor response, whereas TIMI 2 flow is associated with persistent impairment.
Bonnemeier et al. (2003) conducted an observational in First myocardial infarction (n=126). TIMI 3 flow after direct PCI vs. TIMI 2 flow after direct PCI was evaluated on Heart rate turbulence (turbulence slope and turbulence onset) (p=<0.001). In patients undergoing direct PCI for a first MI, successful reperfusion (TIMI 3 flow) significantly improved heart rate turbulence slope (P<0.001) and onset (P<0.01) compared to TIMI 2 flow.
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