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  • Title: [Laboratory findings in patients with hemorrhagic fever with renal syndrome].
    Author: Puljiz I, Kuzman I, Turcinov D, Makek N, Markotić A.
    Journal: Acta Med Croatica; 2005; 59(2):105-11. PubMed ID: 15909883.
    Abstract:
    AIM: To examine the frequency and distribution of hematologic and biochemical laboratory findings in 94 patients with hemorrhagic fever with renal syndrome (HFRS) in the epidemic year 2002. PATIENTS AND METHODS: The following laboratory findings were retrospectively analyzed: erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), hemoglobin, hematocrit, leukocyte count and differential percentage (segmented neutrophils, band neutrophils, atypical lymphocytes), platelet count, coagulation tests, blood urea nitrogen (BUN), creatinine, urine, potassium, bilirubin (BIL), aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyltransferase (GT), alkaline phosphatase (ALP), and serum protein electrophoresis. The study included 94 HFRS patients treated at the Dr Fran Mihaljević University Hospital for Infectious Diseases in Zagreb during 2002. RESULTS: ESR increase, mostly mild to moderate, was found in 86.2% of study patients. Increased CRP was recorded in 98.9% of study patients, however, one-fourth had CRP higher than 100 mg/L. Leukocytosis was recorded in 38.3% (10.1 +/- 4.2 x 10(9)/L), thrombocytopenia in 89.4% patients (68.2 +/- 48.3 x 10(9)/L), and severe thrombocytopenia (x 10(9)/L) in six patients. Three patients had abnormal coagulation tests. Increased values of BUN and creatinine were recorded in more than a half of patients, while only four patients had mild hyperkalemia. Only three patinets required hemodialysis. Mildly to moderately increased values of aminotransferases (AST, ALT, GT) were observed in more than 2/3; hypoalbuminaemia in nearly 1/3, and elevated alpha-2 fraction in more than 2/3 of patients. The majority of patients had pathologic urine findings. First laboratory abnormalities were usually found between day 5 and 7 of the disease (increased CRP level, thrombocytopenia, leukocytosis, and elevation of hemoglobin and hematocrit). Biochemical abnormalities(elevation of cratinine and urea, increased levels of aminotransferases) usually occurred at the beginning of the second week, and ESR increase in the second week of disease. CONCLUSION: The majority of our patients had laboratory findings characteristic of HFRS. Thrombocytopenia and increased level of CRP were the most common laboratory findings during the first week of the disease. Renal and liver impairment occurred at the beginning of the second week of the disease.
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