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581 early cases of typical hemorrhagic fever with renal syndrome (HFRS) were dynamically studied on the clinical manifestations and laboratory findings from 1986 to 1989. All the patients were treated with various methods. The results showed: (1) The manifestations of microvascular damage, proteinuria and thrombocytopenia can be found at the first day of the onset in 80.0%, 72.2% and 33.3% respectively. In a word, the characteristic features of HFRS appear at the onset of the disease. (2) In 446 early cases the initial severity of the disease corresponded with the final severity at a rate of 89.2%; it indicated that the damage of HFRS may result from the first attack. (3) The time of the onset, peak and persistence of all the characteristic features were similar; it is suggested that the course of HFRS may be self-limited. (4) Based on the clinical understanding and the effective results in the 446 early cases treated with fluid therapy alone, we consider that the effective treatment of HFRS is early and reasonable fluid therapy.
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PMID:[A study on pathogenesis and therapy of hemorrhagic fever with renal syndrome]. 135 14

From 1983 to 1990, 32 patients with hemorrhagic fever with renal syndrome (HFRS) were admitted to our hospital. The diagnosis was confirmed by high IgM type titers of antibodies to Hantaan virus. All patients presented with serum and urine abnormalities suggesting renal involvement. Serum creatinine was elevated and ranged between 1.8 and 14.3 mg/dl. Proteinuria ranged between 0.5 and 6.4 g/24 h. Seven patients died due to shock or hemorrhage, while 6 patients were supported by hemodialysis or peritoneal dialysis. Five of them had a complete recovery. Two patients were discharged with some degree of renal impairment which remained stable 12-15 months later. Kidney biopsy in the first patient performed 1 year after his discharge revealed some degree of interstitial fibrosis and tubular atrophy as well as an area with ischemic and sclerosed glomeruli. We conclude that HFRS in Greece is a severe disease with a high mortality rate. The disease may cause chronic renal failure in a limited number of patients.
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PMID:Hemorrhagic fever with renal syndrome in an endemic area of Greece. 135 72

Epidemic nephropathy, a form of hemorrhagic fever with renal syndrome, caused by the Puumala serotype of hantaviruses and occurring endemically in northern Scandinavia, was studied in 13 children. The clinical symptoms and signs were somewhat different from those reported in adults; none of our patients had hemorrhagic manifestations despite low thrombocyte counts. The most common presenting symptoms were fever, abdominal pain, and renal tenderness with oliguria followed by polyuria. The predominant laboratory findings were proteinuria and/or hematuria and elevated serum creatinine levels. Thrombocytopenia was a constant finding in the children in whom thrombocyte count was obtained. Most children had a decreased serum sodium concentration during the oliguric phase of the disease. All the children recovered, with no long-term renal disease. Epidemic nephropathy is an important alternative for differential diagnosis in children with findings suggesting nephritis, especially in endemic areas. An awareness and knowledge of this syndrome and an ability to diagnose it by means of a specific antibody measurement will probably improve our understanding of its epidemiologic features in children.
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PMID:Epidemic nephropathy in children. 168 24

This study refers to the clinical features of 11 cases of hemorrhagic fever with renal syndrome (HFRS) which was prevalent in Nagoya City University Medical School. The clinical course was divided into two parts: the febrile stage and the polyuria stage. Symptoms such as lumbago, muscular pain, general malaise and anorexia disappeared along with a fall of fever. The incubation period of this disease was estimated to be about three weeks. Polyuria, proteinuria, gastric complication and impairment of liver function seemed to be some of clinical features of this disease. There was no HFRS patient with severe renal failure in our cases. The presence of disseminated intravascular coagulation (DIC) was confirmed in 3 of these 11 cases. Therefore, it was suggested that hemorrhagic tendency of this disease might be attributed to DIC. From our experiences, the most important factor for the treatment of the severe case was the earliest detection whether they were complicated by DIC or not. If they were suspected of DIC, it could be necessary to start treatment for DIC as soon as possible. Prophylactic measures for HFRS in our animal facility could contribute to the prevention of this disease.
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PMID:Clinical studies on hemorrhagic fever with renal syndrome found in Nagoya City University Medical School. 168 5

Fourteen of 3,754 U.S. Marines who participated in a joint United States-Republic of Korea training exercise during the autumn of 1986 developed hemorrhagic fever with renal syndrome (HFRS). Clinical and laboratory findings among cases included fever, headache, fatigue, gastrointestinal dysfunction, thrombocytopenia, and proteinuria. Ten individuals were hospitalized; 2 died. No subclinical infections were identified through a post-deployment screen of sera obtained from 2,053 exercise participants. Analysis of questionnaires identified no environmental, occupational, or temporal factors as risks for developing disease. However, 13 of the 14 cases occurred among individuals housed at 1 of the 2 base camps used during the exercise. This outbreak represents the largest cluster of HFRS cases among U.S. personnel in the Republic of Korea since the Korean conflict.
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PMID:Outbreak of hemorrhagic fever with renal syndrome among U.S. Marines in Korea. 197 3

Thirteen cases of hemorrhagic fever with renal syndrome (HFRS) have been observed in the Nancy area. Ten occurred during the summer of 1983 and three in April and May 1985. The clinical characteristics were in each case very typical: abrupt onset with high fever, myalgia, intense lumbar and abdominal pain, pulsatile headache, inflammatory syndrome, WBC count increase and thrombocytopenia. Acute renal failure occurred a few days later with oliguria (9 cases out of 13), massive proteinuria (9/13) and hematuria (6/13). All patients recovered without sequelae within 8-10 days. Renal biopsy performed in 8 patients showed slight tubular lesions with interstitial mononuclear cell infiltrate, congestion and diffuse interstitial edema, and in 2 cases hemorrhagic extravasation. No glomerular lesions were observed. Clinical, histological and epidemiological characteristics of these 13 French cases are highly similar to those of the Scandinavian Nephropathia Epidemica reports. The epidemiology of HFRS remains unclear as do its pathophysiological mechanisms.
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PMID:[Hemorrhagic fever with renal syndrome. Apropos of 13 cases observed in Lorraine]. 287 52

Mild, transient proteinuria and azotemia were produced in three cynomolgus monkeys (Macaca fascicularis) and a chimpanzee (Pan troglodytes) following intravenous inoculation with Prospect Hill virus, a hantavirus isolated from meadow voles in the United States. This is the first demonstration of an acute nephropathy in nonhuman primates with the viruses causing hemorrhagic fever with renal syndrome.
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PMID:Experimental hantavirus infection in nonhuman primates. 313 14

The records of 134 patients with the clinical diagnosis of epidemic hemorrhagic fever (EHF) were evaluated. The conditions of 74 patients could be categorized as "serious" based on hemorrhagic complications and magnitude of proteinuria, BP abnormality, and pyrexia. Forty-six of these patients with a serious condition had one or more CNS abnormalities. Common manifestations included confusion, meningismus, and convulsions. Whereas abnormality in fever could not be related to CNS abnormality, BP disturbance, acidosis, and azotemia were significantly more common among patients with CNS disease. Fourteen percent of the patients in this study died, and all of them had CNS disturbance; mortality among patients with CNS disturbance was 41%. These results suggest that the CNS manifestations of EHF are multifactorial in cause and they identify a subset of patients with an advanced stage of disease and a grave prognosis.
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PMID:CNS manifestations of epidemic hemorrhagic fever. An advanced manifestation of disease associated with poor prognosis. 613 98

Hantavirus-induced acute renal failure is a worldwide occurring disease and rarely known and diagnosed in Germany and in Western Europe. Its various clinical features are embraced by the term Hemorrhagic Fever With Renal Syndrome (HFRS). Cardinal symptoms of the mild European form called Nephropathia epidemica (NE) leading to diagnosis are: abrupt onset, fever, pain (abdominal, loin-, or headache), acute renal failure, proteinuria and/or hematuria, polyuria, and thrombocytopenia. Etiologic agent of NE is the vole transmitted Puumula-serotype of Hantaviruses. Severe courses of HFRS characterized by hemorrhagic complications occur in Asia and Southeast Europe and are caused by the serotypes Hantaan (Korean Hemorrhagic Fever), Seoul (rat associated) and Belgrade (both Epidemic Hemorrhagic Fever). Serological evidence of IgG and/or IgM-antibodies by indirect immunofluorescent antibody assay (IFA), enzyme linked immunosorbent assay (ELISA) or mu-capture-ELISA proves the diagnosis and allows distinction of the infecting virus type. Transmission occurs primarily through inhalation of virus contaminated aerosols or dust. Transmission between humans has never been observed. The incubation period ranges between four days to four weeks. All persons who have much outdoor activities in forests, open fields, farms, and nearby waters are at risk to be infected. Practical exposure prophylaxis seems rarely possible. Therapy of NE is only symptomatic, confined to the treatment of pain, diuretic therapy in oliguric patients, and volume and electrolyte substitution in volume depleted or polyuric patients. Sometimes temporary hemodialysis is needed. Renal history reveals commonly the pattern of acute interstitial nephritis with typical focal interstitial microhemorrhages.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Acute kidney failure caused by Hantaviruses]. 778 96

The clinical characteristics of serologically verified nephropathia epidemica, the Scandinavian form of hemorrhagic fever with renal syndrome, were studied in Swedish children who were < 15 years of age. In 1990 to 1992, 14 cases were prospectively followed. A retrospective survey during 1984 to 1990 disclosed another 18 cases. Among the 32 cases (20 boys, 12 girls, 3 to 15 years of age; median age, 11 years), the most common symptoms were fever (100%), headache (100%), abdominal pain (93%), vomiting (91%) and back pain (76%). Laboratory findings included elevated serum creatinine concentration (19 of 28) and thrombocytopenia (7 of 22). Urinalysis showed proteinuria (31 of 31 patients) and hematuria (24 of 30). Six children had mild hemorrhagic manifestations (epistaxis, metrorrhagia, and petechiae). No severe complications occurred. The clinical symptoms of children with nephropathia epidemica seem to be similar to those found among adult nephropathia epidemica cases.
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PMID:Nephropathia epidemica (hemorrhagic fever with renal syndrome) in children: clinical characteristics. 790 97


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