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[Acute Oliguric Kidney Failure - Gut feeling versus Imaging].

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Summary

This case study shows bilateral nephrostomy can successfully treat acute kidney injury due to postrenal causes, even without hydronephrosis. Prompt intervention restored kidney function and eliminated dialysis dependence.

Keywords:
Postrenalacute kidney failurenephrostomyurothelial carcinoma

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Area of Science:

  • Nephrology
  • Urology
  • Internal Medicine

Background:

  • A 68-year-old patient presented with acute kidney injury.
  • Diagnosis was complicated by transient renal function recovery and severe proteinuria.
  • Imaging did not show hydronephrosis, complicating the diagnosis of postrenal kidney failure.

Purpose of the Study:

  • To present a case of acute postrenal kidney failure diagnosed and treated despite the absence of hydronephrosis.
  • To highlight the diagnostic and therapeutic challenges in such cases.
  • To emphasize the efficacy of bilateral nephrostomy in resolving dialysis-dependent renal failure.

Main Methods:

  • Clinical case presentation.
  • Diagnostic imaging (repeatedly negative for hydronephrosis).
  • Bilateral nephrostomy intervention.

Main Results:

  • Bilateral nephrostomy was performed based on clinical history.
  • Immediate resumption of diuresis post-intervention.
  • Complete recovery of renal function, resolving dialysis dependence.

Conclusions:

  • Bilateral nephrostomy can be a life-saving intervention for acute postrenal kidney failure, even without imaging evidence of hydronephrosis.
  • Clinical suspicion is crucial for diagnosis and timely intervention.
  • This case underscores the importance of considering postrenal obstruction in unexplained acute kidney injury.