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October 1, 1990IEEE Transactions on Biomedical Engineering

The role of intramyocardial pressure during coronary sinus interventions: a computer model study

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Why the study?

How does intramyocardial pressure impact intramyocardial flow during coronary sinus occlusion in a computer model?

Population

Computer model of the coronary circulation consisting of arterial, capillary, and venous compartments

Comparison

Variation of intramyocardial pressure under… vs Normal perfusion conditions and varying levels…

Design

Preclinical

Authors

WSWolfgang SchreinerStatistics AustriaFNFrank NeumannForma Therapeutics (United States)WMWerner MöhlMedical University of Vienna

Discussion

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Implication

Hypothesis-generating for pressure-dependent retrograde perfusion; leaves open optimal intramyocardial targets in future sinus occlusion models.

Structured PICO

How does intramyocardial pressure impact intramyocardial flow during coronary sinus occlusion in a computer model?

P
Population
Computer model of the coronary circulation consisting of arterial, capillary, and venous compartments
I
Intervention
Variation of intramyocardial pressure under coronary sinus occlusion conditions
C
Comparator
Normal perfusion conditions and varying levels of intramyocardial pressure
O
Outcome
Intramyocardial flow between capillaries and veins (retrograde flow)surrogate

This computer model study suggests that retrograde flow during coronary sinus occlusion is biphasically dependent on intramyocardial pressure, peaking at moderate pressures and declining at very high pressures.

Cite This Study

Schreiner et al. (1990) studied this question.

synapsesocial.com/papers/6a1bf1a8ea84844e355f3573https://doi.org/10.1109/10.102808
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Intermittent coronary sinus occlusion in humans: pressure dynamics and calculation of diagnostic quantities1988 · 15 citations
  2. 2Regulation of Transmural Myocardial Blood Flow1985 · 55 citations
  3. 3Coronary diastolic pressure-flow relation and zero flow pressure explained on the basis of intramyocardial compliance.1985 · 197 citations