Nephropathia epidemica (hemorrhagic fever with renal syndrome) in Scandinavia

B Settergren1

  • 1Department of Infectious Diseases, University of Umeå, Sweden.

Insights

Nephropathia epidemica (NE), a Puumala virus zoonosis primarily affecting men in Scandinavia, presents with flu-like symptoms and kidney dysfunction. Most patients recover within six months, with a low fatality rate.

Area of Science:

  • * Infectious Diseases
  • * Nephrology
  • * Zoonotic Diseases

Background:

  • * Nephropathia epidemica (NE) is a zoonotic disease prevalent in Scandinavia.
  • * It is caused by the Puumala virus, with the bank vole as its primary animal reservoir.
  • * NE typically affects men and exhibits cyclical incidence patterns.

Purpose of the Study:

  • * To describe the epidemiology and clinical presentation of Nephropathia epidemica in Scandinavia.
  • * To outline the typical course and outcomes of NE in affected individuals.

Main Methods:

  • * Review of clinical data and epidemiological patterns of NE in the Scandinavian region.
  • * Analysis of common symptoms, laboratory findings, and patient recovery timelines.

Main Results:

  • * NE presents with acute symptoms including fever, headache, back pain, and renal impairment (oliguria/polyuria).
  • * Hemorrhagic manifestations occur in about one-third of cases; severe complications like DIC are rare (up to 5%).
  • * Thrombocytopenia is common, and renal function is significantly impaired during the acute phase.

Conclusions:

  • * Nephropathia epidemica in Scandinavia, while similar to other hemorrhagic fever with renal syndrome forms, generally follows a milder clinical course.
  • * The disease has a low case-fatality rate (approx. 0.2%) and most patients achieve recovery within six months.
  • * Understanding NE's clinical spectrum is crucial for timely diagnosis and management in endemic areas.

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