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October 29, 2008Cardiology

Failure of Free Fatty Acids to Influence Myocardial Oxygen Consumption in the Intact, Anesthetized Dog

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Why the study?

Does an acute elevation of arterial free fatty acids affect myocardial oxygen consumption in intact, anesthetized dogs?

Population

Intact, anesthetized dogs (n=7)

Comparison

Acute elevation of arterial free fatty acids via… vs Baseline measurements prior to FFA elevation

Design

Preclinical

Follow-up

30 minutes

Authors

AMAlbert S. MostMLMilton H. LipskyPSPatricia A. Szydlik

Discussion

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Overview

Should not guide clinical FFA management; leaves open translation to human coronary physiology or chronic exposure.

Structured PICO

Does an acute elevation of arterial free fatty acids affect myocardial oxygen consumption in intact, anesthetized dogs?

P
Population
Intact, anesthetized dogs (n=7)
I
Intervention
Acute elevation of arterial free fatty acids (FFA) via infusion of a lipid emulsion ('Intralipid') coupled with heparin
C
Comparator
Baseline measurements prior to FFA elevation
O
Outcome
Myocardial oxygen consumption (MyO2)surrogate

Acute elevation of arterial free fatty acids within the physiologic range does not significantly alter myocardial oxygen consumption in an intact canine model.

Cite This Study

Most et al. (2008) studied this question.

synapsesocial.com/papers/6a87f24f2053543484aa623ehttps://doi.org/10.1159/000169637
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of Free Fatty Acids on Myocardial Function and Oxygen Consumption in Intact Dogs1971 · 309 citations
  2. 2Effect of free fatty acids on myocardial function and metabolism in the ischemic dog heart1972 · 165 citations
  3. 3Effects of Free Fatty Acids on Experimentally Infarcted Myocardium1979
  4. 4Increased Local Metabolic Rate by Free Fatty Acids in the Intact Dog Heart1971 · 36 citations
  5. 5The effect of free fatty acids on myocardial oxygen consumption during atrial pacing and catecholamine infusion in man.1978 · 150 citations