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Acute exertional rhabdomyolysis

R L Line1, G S Rust

  • 1Department of Family Practice, Emory University School of Medicine, Atlanta, GA, USA.

American Family Physician
|August 1, 1995
PubMed
Summary

Acute exertional rhabdomyolysis, a skeletal muscle injury, is more common and serious than previously thought. Early recognition and aggressive hydration are crucial for preventing severe complications and death.

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Area of Science:

  • Sports Medicine
  • Exercise Physiology
  • Muscle Physiology

Background:

  • Acute exertional rhabdomyolysis involves skeletal muscle injury releasing cellular contents into circulation.
  • Recent data indicate this condition is more prevalent and severe than previously understood.
  • Potential complications include electrolyte imbalances, disseminated intravascular coagulation, renal failure, and compartmental syndrome.

Purpose of the Study:

  • To highlight the increasing recognition and severity of acute exertional rhabdomyolysis.
  • To emphasize the importance of clinical suspicion and risk factor assessment in diagnosis.
  • To outline diagnostic methods and recommend early intervention strategies.

Main Methods:

  • Clinical observation and review of recent reports on acute exertional rhabdomyolysis.
  • Emphasis on patient presentation: overexertion symptoms like muscle pain and swelling.
  • Evaluation of occupational, recreational, environmental, and medical risk factors.
  • Diagnostic screening using urine dipstick tests (orthotoluidine) and serum creatine kinase levels.

Main Results:

  • Mild to moderate cases can lead to hyperkalemia, hypernatremia, lactic acidosis, and hyperphosphatemia.
  • Severe cases may progress to disseminated intravascular coagulation, renal failure, and compartmental syndrome.
  • High index of suspicion is warranted for patients with overexertion symptoms.

Conclusions:

  • Early identification of acute exertional rhabdomyolysis through symptom assessment and risk factor analysis is critical.
  • Urine dipstick and serum creatine kinase tests aid in diagnosis.
  • Prompt intervention with aggressive hydration and close monitoring can prevent severe outcomes and mortality.

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