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July 1, 1992HypertensionOpen Access

Oxygen free radicals and cardiac reperfusion abnormalities.

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Key result

Inhibiting free radical accumulation during myocardial ischemia/reperfusion with scavengers reduces the severity of myocardial stunning, irreversible injury, and reperfusion arrhythmias.

Why the study?

Do free radical scavengers and inhibitors reduce reperfusion abnormalities in experimental models of myocardial ischemia/reperfusion?

Population

Experimental models of myocardial ischemia and reperfusion

Design

Review

Authors

JGJoshua I. GoldhaberCedars-Sinai Smidt Heart InstituteJWJames N. WeissElectrophysiology

Discussion

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Implication

Supports antioxidant strategies in experimental reperfusion models; leaves open clinical translation.

Structured PICO

Do free radical scavengers and inhibitors reduce reperfusion abnormalities in experimental models of myocardial ischemia/reperfusion?

P
Population
Experimental models of myocardial ischemia and reperfusion
I
Intervention
Free radical scavengers and inhibitors
O
Outcome
Reperfusion abnormalities (myocardial stunning, irreversible injury, and reperfusion arrhythmias)

This review highlights the pathophysiological role of oxygen free radicals in cardiac reperfusion injury and the potential therapeutic benefit of free radical scavengers.

Limitations

  • Many issues remain unresolved regarding the pathophysiological mechanism of reperfusion abnormalities
  • Many issues remain unresolved

Cite This Study

Goldhaber et al. (1992) conducted a review in Myocardial ischemia and reperfusion abnormalities. Free radical scavengers and inhibitors was evaluated. Inhibiting free radical accumulation during myocardial ischemia/reperfusion with scavengers reduces the severity of myocardial stunning, irreversible injury, and reperfusion arrhythmias.

synapsesocial.com/papers/6a0a1e0900274e073d45d9bfhttps://doi.org/10.1161/01.hyp.20.1.118
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Also Consider

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

  1. 1Electrophysiological derangements induced by lipid peroxidation in cardiac tissue1987 · 77 citations
  2. 2Reperfusion arrhythmias: dose-related protection by anti-free radical interventions1989 · 104 citations
  3. 3Glycolytic inhibition and calcium overload as consequences of exogenously generated free radicals in rabbit hearts.1991 · 113 citations
  4. 4Identification of free radicals in myocardial ischemia/reperfusion by spin trapping with nitrone DMPO1987 · 364 citations
  5. 5Pathophysiology and pathogenesis of stunned myocardium. Depressed Ca2+ activation of contraction as a consequence of reperfusion-induced cellular calcium overload in ferret hearts.1987 · 427 citations