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December 1, 2000Journal of Cardiovascular Pharmacology

Effect of Perhexiline and Oxfenicine on Myocardial Function and Metabolism During Low-Flow Ischemia/Reperfusion in the Isolated Rat Heart

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Why the study?

Does perhexiline or oxfenicine improve myocardial function and metabolism during low-flow ischemia/reperfusion in isolated rat hearts?

Population

Langendorff-perfused rat hearts subjected to 60 min of low-flow ischemia followed by 30 min of reperfusion

Comparison

Perhexiline or oxfenicine vs Control/untreated hearts (implied)

Design

Preclinical

Follow-up

90 minutes (60 min ischemia, 30 min reperfusion)

Authors

JKJennifer A. KennedyMemorial Sloan Kettering Cancer CenterAKAnthony J. KiosoglousQueen Elizabeth II Jubilee HospitalGMGeraldine A. MurphyBasil Hetzel Institute

Discussion

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Implication

Does not support clinical use in ischemia; hypothesis-generating for CPT inhibition attenuating diastolic dysfunction in vivo.

Structured PICO

Does perhexiline or oxfenicine improve myocardial function and metabolism during low-flow ischemia/reperfusion in isolated rat hearts?

P
Population
Langendorff-perfused rat hearts subjected to 60 min of low-flow ischemia (95% flow reduction) followed by 30 min of reperfusion
I
Intervention
Perhexiline (0.5 and 2.0 microM) or oxfenicine (0.5 mM)
C
Comparator
Control/untreated hearts (implied)
O
Outcome
Hemodynamic and biochemical effects, including diastolic tension, developed tension, and cardiac functionsurrogate

Perhexiline protects against diastolic dysfunction during ischemia in isolated rat hearts, likely through simultaneous inhibition of myocardial CPT-1 and CPT-2.

Cite This Study

Kennedy et al. (2000) studied this question.

synapsesocial.com/papers/6a820404265c63e88772b92bhttps://doi.org/10.1097/00005344-200012000-00016
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effects of Perhexiline on Coronary Hemodynamic and Myocardial Metabolic Responses to Tachycardia1974 · 38 citations
  2. 2Cellular uncoupling induced by accumulation of long-chain acylcarnitine during ischemia.1994 · 106 citations
  3. 3Glucose and palmitate oxidation in isolated working rat hearts reperfused after a period of transient global ischemia.1990 · 246 citations
  4. 4Direct Evidence That Perhexiline Modifies Myocardial Substrate Utilization from Fatty Acids to Lactate1995 · 74 citations