Journal
CRITICAL REVIEWS IN MICROBIOLOGY
Volume 38, Issue 4, Pages 317-329Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/1040841X.2012.673553
Keywords
Viral hemorrhagic fever; clinical; pathophysiology; hemorrhagic fever with renal syndrome; Hantavirus pulmonary syndrome
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Hantaviruses cause Hantavirus Pulmonary Syndrome (HPS; also called Hantavirus Cardiopulmonary Syndrome) in the Americas and Hemorrhagic Fever with Renal Syndrome (HFRS) in Asia and Europe. In Scandinavia and northern Europe, a milder form of HFRS is prevalent, termed nephropathica epidemica (NE). HPS presents with acute respiratory failure, mild-moderate renal failure, thrombocytopenia, and reactive lymphocytosis. HFRS has pronounced renal dysfunction and less prominent respiratory involvement, with thrombocytopenia and hemorrhagic findings. Both syndromes have long-term sequelae. Common symptomatology is due to underlying pathophysiology, mainly increased vascular permeability and immune activation. Laboratory and imaging markers predicting disease severity are under research, allowing for more efficient patient management. Diagnosis is presumptive, based on typical clinical findings and patient history of likely rodent exposure. Confirmation of diagnosis is by serological testing and/or RT-PCR. Treatment is mainly comprised of cardiovascular, respiratory, and renal function support, with fluid and electrolyte homeostasis being crucial components of care. In HPS, the use of extracorporeal membrane oxygenation in decompensated patients has also shown to be beneficial.
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