Reperfusion injury

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(Redirected from Ischemia-reperfusion injury)

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Reperfusion injury
Synonyms Ischemia-reperfusion injury
Pronounce N/A
Specialty N/A
Symptoms Tissue damage, inflammation, oxidative stress
Complications Myocardial infarction, stroke, organ failure
Onset During or after reperfusion
Duration Variable, depending on severity and treatment
Types N/A
Causes Restoration of blood flow after ischemia
Risks Coronary artery disease, stroke, organ transplantation
Diagnosis Clinical evaluation, imaging studies, biomarkers
Differential diagnosis Myocardial infarction, stroke, acute kidney injury
Prevention Ischemic preconditioning, pharmacological agents
Treatment Antioxidants, anti-inflammatory drugs, controlled reperfusion
Medication N/A
Prognosis Depends on extent of injury and treatment
Frequency Common in cardiac surgery, organ transplantation
Deaths N/A


Reperfusion Injury refers to the paradoxical tissue damage caused when blood supply returns to tissue (reperfusion) after a period of ischemia (lack of oxygen). This condition is characterized by functional, metabolic, or structural changes in the ischemic tissues.

Pathophysiology[edit]

Reperfusion injury involves complex biological reactions including:

  • Cellular swelling and inflammation
  • Hemorrhage
  • Necrosis (tissue death)
  • Oxidative stress from free radicals, which can further damage cells

Common Instances[edit]

The most prevalent instance of reperfusion injury is:

Complications[edit]

Complications of reperfusion injury can significantly impact recovery and overall outcomes, particularly in acute myocardial infarction and stroke.

Treatment and Management[edit]

Medical intervention for managing reperfusion injury.

Treatment focuses on minimizing tissue damage and may include:

  • Controlled reperfusion strategies
  • Use of antioxidants and other drugs to mitigate oxidative stress
  • Surgical interventions in severe cases

External Links[edit]

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