Overview
Hantavirus pulmonary syndrome (HPS) is a severe respiratory illness caused by hantavirus infection, characterized by fever, myalgia, and a rapid progression to pulmonary edema without significant respiratory tract infection 1.Diagnosis
Serological confirmation of hantavirus infection through specific antibody tests 12.
Elevated von Willebrand factor antigen (VWF:Ag) and VWF:RCo levels, indicative of endothelial dysfunction 1.
Thrombocytopenia often observed, potentially linked to decreased ADAMTS13 activity 1.Management
Supportive care is paramount, including mechanical ventilation for severe respiratory distress 1.
No specific antiviral therapy is currently recommended based on available abstracts 1.
Close monitoring of coagulation parameters due to potential thrombocytopenia and altered ADAMTS13 activity 1.Special Populations
No specific data provided in the abstracts regarding pregnancy, pediatrics, elderly, or comorbidities 12.Key Recommendations
Confirm diagnosis using serological tests for hantavirus antibodies (Evidence: Moderate 12).
Monitor and manage thrombocytopenia and coagulation abnormalities, considering decreased ADAMTS13 activity (Evidence: Weak 1).
Provide intensive supportive care, particularly mechanical ventilation for respiratory failure (Evidence: Expert opinion 1).References
1 Laine O, Mäkelä S, Mustonen J, Helminen M, Vaheri A, Lassila R et al.. Platelet ligands and ADAMTS13 during Puumala hantavirus infection and associated thrombocytopenia. Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 2011. link
2 Walker E, Boyd AJ, Kudesia G, Pinkerton IW. A Scottish case of nephropathy due to Hantaan virus infection. The Journal of infection 1985. link91038-2)