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Related Experiment Videos

Renal infarction without hematuria: two case reports.

Chien-Cheng Huang1, Wei-Fong Kao, David Hung-Tsang Yen

  • 1Department of Emergency Medicine, Veterans General Hospital-Taipei, National Yang-Ming University, Taiwan, Republic of China.

The Journal of Emergency Medicine
|January 26, 2006
PubMed
Summary

Renal infarction is often misdiagnosed, but risk factors like atrial fibrillation and elevated lactate dehydrogenase (LDH) can aid diagnosis. Early treatment with low-molecular-weight heparin (LMWH) can restore normal renal function.

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Area of Science:

  • Nephrology
  • Cardiology
  • Emergency Medicine

Background:

  • Renal infarction is a rare clinical condition frequently misdiagnosed or incidentally discovered.
  • Risk factors include atrial fibrillation, hypertension, and cardiac conditions like mitral stenosis and infective endocarditis.
  • Elevated serum lactate dehydrogenase (LDH) and hematuria are key indicators.

Observation:

  • Two cases of renal infarction were encountered in the Emergency Department.
  • Both patients presented with elevated white blood cell count and LDH.
  • Neither patient exhibited hematuria, challenging typical diagnostic indicators.

Findings:

  • Despite the absence of hematuria, renal infarction was diagnosed in both cases.
  • Treatment with low-molecular-weight heparin (LMWH) was initiated promptly.

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  • Both patients responded well to LMWH therapy.

    • Implications:

    • This highlights the importance of considering renal infarction in patients with relevant risk factors, even without classic symptoms.
    • Prompt LMWH treatment can lead to successful outcomes and recovery of renal function.
    • Further research into diagnostic markers and treatment protocols for renal infarction is warranted.