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Vaheri A, Smura T, Vauhkonen H, Hepojoki J, Sironen T, Strandin T, Tietäväinen J, Outinen T, Mäkelä S, Pörsti I, Mustonen J. Puumala Hantavirus Infections Show Extensive Variation in Clinical Outcome. Viruses 2023; 15:v15030805. [PMID: 36992513 PMCID: PMC10054505 DOI: 10.3390/v15030805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/31/2023] Open
Abstract
The clinical outcome of Puumala hantavirus (PUUV) infection shows extensive variation, ranging from inapparent subclinical infection (70-80%) to severe hemorrhagic fever with renal syndrome (HFRS), with about 0.1% of cases being fatal. Most hospitalized patients experience acute kidney injury (AKI), histologically known as acute hemorrhagic tubulointerstitial nephritis. Why this variation? There is no evidence that there would be more virulent and less virulent variants infecting humans, although this has not been extensively studied. Individuals with the human leukocyte antigen (HLA) alleles B*08 and DRB1*0301 are likely to have a severe form of the PUUV infection, and those with B*27 are likely to have a benign clinical course. Other genetic factors, related to the tumor necrosis factor (TNF) gene and the C4A component of the complement system, may be involved. Various autoimmune phenomena and Epstein-Barr virus infection are associated with PUUV infection, but hantavirus-neutralizing antibodies are not associated with lower disease severity in PUUV HFRS. Wide individual differences occur in ocular and central nervous system (CNS) manifestations and in the long-term consequences of nephropathia epidemica (NE). Numerous biomarkers have been detected, and some are clinically used to assess and predict the severity of PUUV infection. A new addition is the plasma glucose concentration associated with the severity of both capillary leakage, thrombocytopenia, inflammation, and AKI in PUUV infection. Our question, "Why this variation?" remains largely unanswered.
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Affiliation(s)
- Antti Vaheri
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Teemu Smura
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Hanna Vauhkonen
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Jussi Hepojoki
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Tarja Sironen
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Tomas Strandin
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Johanna Tietäväinen
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Tuula Outinen
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Satu Mäkelä
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Ilkka Pörsti
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Jukka Mustonen
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
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Lupuşoru G, Lupuşoru M, Ailincăi I, Bernea L, Berechet A, Spătaru R, Ismail G. Hanta hemorrhagic fever with renal syndrome: A pathology in whose diagnosis kidney biopsy plays a major role (Review). Exp Ther Med 2021; 22:984. [PMID: 34345266 PMCID: PMC8311249 DOI: 10.3892/etm.2021.10416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/14/2021] [Indexed: 11/05/2022] Open
Abstract
Hantavirus infection belongs to a group of zoonoses rare in the Balkan Peninsula, causing two major syndromes, depending on the viral serotype involved: Hemorrhagic fever with renal syndrome (HFRS) also known as endemic nephropathy and cardiopulmonary syndrome (CPS). Because there is no specific treatment or vaccine for this condition approved in the USA or Europe, the key to minimizing the risk of adverse progression to chronic kidney disease, secondary hypertension or even death is primarily the recognition and early diagnosis of this condition with prompt therapeutic intervention. The aim of this study was to review the literature data on the epidemiology, pathogenesis and management of this disease and to identify several aspects related to the difficulties encountered in diagnosing this pathology, taking into consideration that the disease is not endemic in this geographical area.
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Affiliation(s)
- Gabriela Lupuşoru
- Department of Nephrology, 'Fundeni' Clinical Institute, 022328 Bucharest, Romania.,Department of Uronephrology, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Mircea Lupuşoru
- Department of Physiology I, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Ioana Ailincăi
- Department of Nephrology, 'Fundeni' Clinical Institute, 022328 Bucharest, Romania
| | - Lavinia Bernea
- Department of Nephrology, 'Fundeni' Clinical Institute, 022328 Bucharest, Romania
| | - Andreea Berechet
- Department of Nephrology, 'Fundeni' Clinical Institute, 022328 Bucharest, Romania
| | - Radu Spătaru
- Department of Pediatric Surgery, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Gener Ismail
- Department of Nephrology, 'Fundeni' Clinical Institute, 022328 Bucharest, Romania.,Department of Uronephrology, 'Carol Davila' University of Medicine and Pharmacy, 020021 Bucharest, Romania
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3
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Lim SC, Lee YM, Kim CM, Yun NR, Kim DM. Acute Appendicitis Associated with Hantaan Virus Infection. Am J Trop Med Hyg 2021. [PMID: 34228635 DOI: 10.4269/ajtmh.20-1468.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Hantaviruses are Bunyaviridae viruses that cause hemorrhagic fever with renal syndrome. Appendicitis caused by Hantaan virus has not been reported previously. An 81-year-old man who underwent laparoscopic appendectomy for suspected appendicitis based on abdominal pain, fever, hypotension, and computed tomography findings. Based on a suspicion of hemorrhagic fever with renal syndrome, the patient's plasma was simultaneously analyzed using an indirect immunofluorescent antibody assay and nested reverse transcription-polymerase chain reaction (RT-PCR). The appendix tissue was also analyzed using nested RT-PCR and immunohistochemical (IHC) staining to identify the presence of Hantaan virus. Nested RT-PCR detected the presence of Hantaan virus, and indirect immunofluorescent antibody assay results revealed the presence of elevated antibody levels. Furthermore, IHC staining of the appendix tissue confirmed Hantaan virus antigens in the peripheral nerve bundle. Based on these findings, we confirmed the nerve tropism of the Hantaan virus. Hantaan virus in plasma and appendix tissue samples was confirmed using PCR and phylogenetic tree analysis. Moreover, we detected hypertrophy of the submucosa and periappendiceal adipose tissue nerve bundle along with Hantaan virus antigens in peripheral nerve bundles using IHC staining. Hence, we report that Hantaan virus infection may be accompanied by appendicitis.
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Affiliation(s)
- Sung-Chul Lim
- 1Department of Pathology, Chosun University College of Medicine, Dong-gu, Gwangju, South Korea
| | - Young Min Lee
- 2Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea
| | - Choon-Mee Kim
- 3Premedical Science, College of Medicine, Chosun University, Gwangju, South Korea
| | - Na Ra Yun
- 2Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea
| | - Dong-Min Kim
- 2Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea
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Hautala N, Partanen T, Kubin AM, Kauma H, Hautala T. Central Nervous System and Ocular Manifestations in Puumala Hantavirus Infection. Viruses 2021; 13:1040. [PMID: 34072819 PMCID: PMC8229408 DOI: 10.3390/v13061040] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 12/21/2022] Open
Abstract
Puumala hantavirus (PUUV), carried and spread by the bank vole (Myodes glareolus), causes a mild form of hemorrhagic fever with renal syndrome (HFRS) called nephropathia epidemica (NE). Acute high fever, acute kidney injury (AKI), thrombocytopenia, and hematuria are typical features of this syndrome. In addition, headache, blurred vision, insomnia, vertigo, and nausea are commonly associated with the disease. This review explores the mechanisms and presentations of ocular and central nervous system involvement in acute NE.
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Affiliation(s)
- Nina Hautala
- Medical Research Center, PEDEGO Research Unit, Department of Ophthalmology, Oulu University Hospital and University of Oulu, 90029 Oulu, Finland; (N.H.); (A.-M.K.)
| | - Terhi Partanen
- Research Unit of Internal Medicine, Department of Internal Medicine, Division of Infectious Diseases, Oulu University and Oulu University Hospital, 90014 Oulu, Finland; (T.P.); (H.K.)
| | - Anna-Maria Kubin
- Medical Research Center, PEDEGO Research Unit, Department of Ophthalmology, Oulu University Hospital and University of Oulu, 90029 Oulu, Finland; (N.H.); (A.-M.K.)
| | - Heikki Kauma
- Research Unit of Internal Medicine, Department of Internal Medicine, Division of Infectious Diseases, Oulu University and Oulu University Hospital, 90014 Oulu, Finland; (T.P.); (H.K.)
| | - Timo Hautala
- Research Unit of Internal Medicine, Department of Internal Medicine, Division of Infectious Diseases, Oulu University and Oulu University Hospital, 90014 Oulu, Finland; (T.P.); (H.K.)
- Research Unit of Biomedicine, University of Oulu, 90029 Oulu, Finland
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5
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Lo SH, Chen PT, Yu WJ, Hsieh KS, Chen TC. Case Report: Spinal Subarachnoid Hemorrhage: A Rare Complication of Hemorrhagic Fever with Renal Syndrome. Am J Trop Med Hyg 2021; 104:1432-1434. [PMID: 33591937 DOI: 10.4269/ajtmh.20-0823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/04/2021] [Indexed: 11/07/2022] Open
Abstract
Hemorrhagic fever with renal syndrome (HFRS), caused by hantavirus, is occasionally seen in tropical areas. The virus is carried by specific rodent host species. Hemorrhagic fever with renal syndrome is characterized by renal failure and hemorrhagic manifestations, and its complications may be severe, including massive bleeding, multi-organ dysfunction, and possibly death. In this patient case, a 46-year-old woman diagnosed with HFRS initially presented with fever, impaired function, and thrombocytopenia. Four days after symptom onset, the patient complained of abrupt right lower abdominal pain and numbness. Magnetic resonance imaging revealed a spinal subarachnoid hemorrhage (SAH) beyond the T7 to S2 vertebrae. No cases of spinal SAH in HFRS have been reported until now. This case demonstrates that when a patient's symptoms are atypical, bleeding-related complications must be considered.
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Affiliation(s)
- Shih-Hao Lo
- 1Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Pei-Ting Chen
- 2Department of Post Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wan-Jin Yu
- 3Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ke-Syuan Hsieh
- 3Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tun-Chieh Chen
- 2Department of Post Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,3Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,4Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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Xie D, Xu W, Xian Y, Yuan X, Huang Z, You J, Bi X. Rare case of intracranial hemorrhage associated with seoul virus infection diagnosed by metagenomic next-generation sequencing. J Clin Lab Anal 2020; 35:e23616. [PMID: 33084078 PMCID: PMC7891533 DOI: 10.1002/jcla.23616] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/16/2020] [Accepted: 09/24/2020] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Seoul virus (SEOV) is a Hantavirus and the causative pathogen of Hemorrhagic Fever with Renal Syndrome (HFRS). Diagnosing SEOV infection is difficult because the clinical presentations are often undistinguishable from other viral or bacterial infections. In addition, diagnostic tools including serological and molecular assays are not readily available in the clinical settings. CASE REPORT A 57-year-old male presented with fever and a sudden loss of consciousness in November 2019. Computed tomography (CT) scan showed subdural hematoma, subfalcine herniation, and brain infarction. He developed thrombocytopenia and elevated transaminases, but no rashes or obvious kidney damage. He reported having a rat bite. HFRS was suspected. The Hantavirus IgG was positive, and the metagenomic next-generation sequencing (mNGS) detected SEOV sequences directly in the blood. CONCLUSION This report highlights the importance of suspecting SEOV infection in febrile patients with thrombocytopenia and elevated liver enzymes despite the absence of hemorrhagic manifestations of skin and renal syndromes. Next-generation sequencing is a powerful tool for pathogen detection. Intracranial hemorrhage and brain infarction as extrarenal manifestations of HFRS are rare but possible as demonstrated in this case.
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Affiliation(s)
- Dan Xie
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wen Xu
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ying Xian
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaofeng Yuan
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhenchao Huang
- Department of Neurosurgery, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jingya You
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaogang Bi
- Department of General Intensive Care Unit, Lingnan Hospital, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
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7
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Heterozygous TLR3 Mutation in Patients with Hantavirus Encephalitis. J Clin Immunol 2020; 40:1156-1162. [PMID: 32936395 PMCID: PMC7567724 DOI: 10.1007/s10875-020-00834-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022]
Abstract
Puumala hantavirus (PUUV) hemorrhagic fever with renal syndrome (HFRS) is common in Northern Europe; this infection is usually self-limited and severe complications are uncommon. PUUV and other hantaviruses, however, can rarely cause encephalitis. The pathogenesis of these rare and severe events is unknown. In this study, we explored the possibility that genetic defects in innate anti-viral immunity, as analogous to Toll-like receptor 3 (TLR3) mutations seen in HSV-1 encephalitis, may explain PUUV encephalitis. We completed exome sequencing of seven adult patients with encephalitis or encephalomyelitis during acute PUUV infection. We found heterozygosity for the TLR3 p.L742F novel variant in two of the seven unrelated patients (29%, p = 0.0195). TLR3-deficient P2.1 fibrosarcoma cell line and SV40-immortalized fibroblasts (SV40-fibroblasts) from patient skin expressing mutant or wild-type TLR3 were tested functionally. The TLR3 p.L742F allele displayed low poly(I:C)-stimulated cytokine induction when expressed in P2.1 cells. SV40-fibroblasts from three healthy controls produced increasing levels of IFN-λ and IL-6 after 24 h of stimulation with increasing concentrations of poly(I:C), whereas the production of the cytokines was impaired in TLR3 L742F/WT patient SV40-fibroblasts. Heterozygous TLR3 mutation may underlie not only HSV-1 encephalitis but also PUUV hantavirus encephalitis. Such possibility should be further explored in encephalitis caused by these and other hantaviruses.
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8
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Anderson D, Beecher G, Power C, Bridgland L, Zochodne DW. A neuropathic pain syndrome associated with hantavirus infection. J Neurovirol 2017; 23:919-921. [PMID: 28895058 PMCID: PMC7095002 DOI: 10.1007/s13365-017-0576-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 08/09/2017] [Accepted: 08/24/2017] [Indexed: 01/31/2023]
Abstract
Hantaviruses are a group of single-stranded RNA viruses of the Bunyaviridae family. "New World" hantaviruses cause hantavirus cardiopulmonary syndrome (HCPS) in North America. HCPS carries with it significant mortality and those patients who survive the disease are often left with substantial morbidity. Neurologic complications of hantavirus infections are rare, with only sparse cases of central nervous system involvement having been documented in the literature. To our knowledge, there are no reports of hantavirus infection contributing to peripheral nervous system dysfunction. Here we report a case of possible small fiber neuropathy associated with hantavirus infection, in a patient who survived HCPS. Persistent and treatment-resistant neuropathic pain may be a prominent feature in hantavirus-associated peripheral neuropathy.
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Affiliation(s)
- Dustin Anderson
- Division of Neurology, Department of Medicine, Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, Alberta, T6G 2G3, Canada
| | - Grayson Beecher
- Division of Neurology, Department of Medicine, Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, Alberta, T6G 2G3, Canada
| | - Christopher Power
- Division of Neurology, Department of Medicine, Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, Alberta, T6G 2G3, Canada
| | - Lindsay Bridgland
- Division of General Internal Medicine, Department of Medicine, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Douglas W Zochodne
- Division of Neurology, Department of Medicine, Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, Alberta, T6G 2G3, Canada.
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9
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Hantavirus cardiopulmonary syndrome due to Puumala virus in Germany. J Clin Virol 2016; 84:42-47. [DOI: 10.1016/j.jcv.2016.10.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 09/08/2016] [Accepted: 10/03/2016] [Indexed: 11/22/2022]
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10
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Ku MC, Suh SI, Lee HJ, Ryoo IS, Son GR, Lee YH, Seo HS, Seol HY. Hemorrhagic fever with renal syndrome-related encephalopathy: magnetic resonance imaging findings. Clin Imaging 2015; 39:975-8. [PMID: 26362353 DOI: 10.1016/j.clinimag.2015.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 07/28/2015] [Accepted: 08/12/2015] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To report the incidence and findings of brain magnetic resonance imaging (MRI) in patients with hemorrhagic fever with renal syndrome (HFRS)-related encephalopathy along with its clinical course. METHODS Medical records and brain MRI were reviewed from January 2004 to January 2013. The final cohort consisted of 145 patients. Brain MRI findings were correlated with associated clinical stage of disease. RESULTS The MRI findings associated with clinical course of HFRS-related encephalopathy were posterior reversible encephalopathy syndrome pattern (n=3) in oliguric phase and splenial lesion pattern (n=1) in febrile phase. CONCLUSIONS Brain MRI findings in HFRS-related encephalopathy may be associated with the clinical course of HFRS.
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Affiliation(s)
- Min-Cheol Ku
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Sang-il Suh
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
| | - Hyun-Ji Lee
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - In-Seon Ryoo
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Gyu-Ri Son
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Young Hen Lee
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Seoul, Korea
| | - Hyeong Suk Seo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Seoul, Korea
| | - Hae-Young Seol
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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Thakur KT, Zunt JR. Approach to the international traveler with neurological symptoms. FUTURE NEUROLOGY 2015. [DOI: 10.2217/fnl.14.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT International travelers commonly contract illnesses while abroad, with the highest risk in those who spend extended time in developing countries. As travel to worldwide destinations becomes more accessible, neurologists should be aware of travel-related infections and noninfectious conditions presenting with neurological manifestations. Travelers may present with a myriad of neurologic symptoms, including confusion, headache, weakness and sensory symptoms. In this review, we discuss the general approach to the returning traveler with neurological symptoms and discuss the differential diagnosis of symptoms commonly encountered in practice.
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Affiliation(s)
- Kiran T Thakur
- Division of Neuroinfectious Disease & Neuroimmunology, Department of Neurology, Johns Hopkins Hospital, 600 North Wolfe Street, Meyer 6–113, Baltimore, MD 21205, USA
| | - Joseph R Zunt
- Department of Neurology, Global Health, Medicine (Infectious Diseases) & Epidemiology, University of Washington, Seattle, WA, USA
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12
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Connolly-Andersen AM, Hammargren E, Whitaker H, Eliasson M, Holmgren L, Klingström J, Ahlm C. Increased risk of acute myocardial infarction and stroke during hemorrhagic fever with renal syndrome: a self-controlled case series study. Circulation 2014; 129:1295-302. [PMID: 24398017 DOI: 10.1161/circulationaha.113.001870] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND We recently observed that cardiovascular causes of death are common in patients with hemorrhagic fever with renal syndrome (HFRS), which is caused by hantaviruses. However, it is not known whether HFRS is a risk factor for the acute cardiovascular events of acute myocardial infarction (AMI) and stroke. METHODS AND RESULTS Personal identification numbers from the Swedish HFRS patient database (1997-2012; n=6643) were cross-linked with the National Patient Register from 1987 to 2011. Using the self-controlled case series method, we calculated the incidence rate ratio of AMI/stroke in the 21 days after HFRS against 2 different control periods either excluding (analysis 1) or including (analysis 2) fatal AMI/stroke events. The incidence rate ratios for analyses 1 and 2 for all AMI events were 5.53 (95% confidence interval [CI], 2.6-11.8) and 6.02 (95% CI, 2.95-12.3) and for first AMI events were 3.53 (95% CI, 1.25-9.96) and 4.64 (95% CI, 1.83-11.77). The incidence rate ratios for analyses 1 and 2 for all stroke events were 12.93 (95% CI, 5.62-29.74) and 15.16 (95% CI, 7.21-31.87) and for first stroke events were 14.54 (95% CI, 5.87-36.04) and 17.09 (95% CI, 7.49-38.96). The majority of stroke events occurred in the first week after HFRS. Seasonal effects were not observed, and apart from 1 study, neither sex nor age interacted with the associations observed in this study. CONCLUSIONS There is a significantly increased risk for AMI and stroke in the immediate time period after HFRS. Therefore, HFRS patients should be carefully monitored during the acute phase of disease to ensure early recognition of symptoms of impending AMI or stroke.
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Affiliation(s)
- Anne-Marie Connolly-Andersen
- Department of Clinical Microbiology, Infectious Diseases (A.-M.C.-A., E.H., C.A.) and Department of Public Health and Clinical Medicine, Sunderby Research Unit (M.E., L.H.), Umeå University, Umeå, Sweden; Department of Mathematics and Statistics, The Open University, Milton Keynes, UK (H.W.); and Department of Medicine, Center for Infectious Medicine, Karolinska Institutet, Huddinge, Sweden (J.K.)
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Mustonen J, Mäkelä S, Outinen T, Laine O, Jylhävä J, Arstila PT, Hurme M, Vaheri A. The pathogenesis of nephropathia epidemica: new knowledge and unanswered questions. Antiviral Res 2013; 100:589-604. [PMID: 24126075 DOI: 10.1016/j.antiviral.2013.10.001] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Revised: 09/27/2013] [Accepted: 10/04/2013] [Indexed: 01/20/2023]
Abstract
Puumala virus (PUUV) causes an acute hemorrhagic fever with renal syndrome (HFRS), a zoonosis also called nephropathia epidemica (NE). The reservoir host of PUUV is the bank vole (Myodes glareolus). Herein we review the main clinical manifestations of NE, acute kidney injury, increased vascular permeability, coagulation abnormalities as well as pulmonary, cardiac, central nervous system and ocular manifestations of the disease. Several biomarkers of disease severity have recently been discovered: interleukin-6, pentraxin-3, C-reactive protein, indoleamine 2,3-dioxygenase, cell-free DNA, soluble urokinase-type plasminogen activator, GATA-3 and Mac-2 binding protein. The role of cytokines, vascular endothelial growth hormone, complement, bradykinin, cellular immune response and other mechanisms in the pathogenesis of NE as well as host genetic factors will be discussed. Finally therapeutic aspects and directions for further research will be handled.
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Affiliation(s)
- Jukka Mustonen
- School of Medicine, University of Tampere, Tampere, Finland; Department of Internal Medicine, Tampere University Hospital, Tampere, Finland.
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Elevated cerebrospinal fluid neopterin concentration is associated with disease severity in acute Puumala hantavirus infection. Clin Dev Immunol 2013; 2013:634632. [PMID: 23983770 PMCID: PMC3747491 DOI: 10.1155/2013/634632] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 07/19/2013] [Indexed: 11/18/2022]
Abstract
Nephropathia epidemica (NE) caused by Puumala hantavirus (PUUV) is the most common hemorrhagic fever with renal syndrome (HFRS) in Europe. The infection activates immunological mechanisms that contribute to the pathogenesis and characteristics of the illness. In this study we measured cerebrospinal fluid (CSF) neopterin concentration from 23 acute-phase NE patients. We collected data on kidney function, markers of tissue permeability, haemodynamic properties, blood cell count, length of hospitalisation, inflammatory parameters, and ophthalmological properties. The neopterin levels were elevated (>5.8 nmol/L) in 22 (96%) NE-patients (mean 45.8 nmol/L); these were especially high in patients with intrathecal PUUV-IgM production (mean 58.2 nmol/L, P = 0.01) and those with elevated CSF protein concentrations (mean 63.6 nmol/L, P < 0.05). We also observed a correlation between the neopterin and high plasma creatinine value (r = 0.66, P = 0.001), low blood thrombocyte count (r = −0.42, P < 0.05), and markedly disturbed refractory properties of an eye (r = 0.47, P < 0.05). Length of hospitalisation correlated with the neopterin (r = 0.42, P < 0.05; male patients r = 0.69, P < 0.01). Patients with signs of tissue oedema and increased permeability also had high neopterin concentrations. These results reinforce the view that PUUV-HFRS is a general infection that affects the central nervous system and the blood-brain barrier.
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Theiler G, Langer-Wegscheider B, Zollner-Schwetz I, Valentin T, Hönigl M, Schnedl W, Krause R. Blurred vision and myopic shift in Puumala virus infections are independent of disease severity. Clin Microbiol Infect 2012; 18:E435-7. [DOI: 10.1111/j.1469-0691.2012.03997.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Vaheri A, Henttonen H, Voutilainen L, Mustonen J, Sironen T, Vapalahti O. Hantavirus infections in Europe and their impact on public health. Rev Med Virol 2012; 23:35-49. [PMID: 22761056 DOI: 10.1002/rmv.1722] [Citation(s) in RCA: 214] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2012] [Revised: 05/04/2012] [Accepted: 05/08/2012] [Indexed: 11/09/2022]
Abstract
Hantaviruses (genus Hantavirus, family Bunyaviridae) are enveloped tri-segmented negative-stranded RNA viruses each carried by a specific rodent or insectivore host species. Several different hantaviruses known to infect humans circulate in Europe. The most common is Puumala (PUUV) carried by the bank vole; another two important, genetically closely related ones are Dobrava-Belgrade (DOBV) and Saaremaa viruses (SAAV) carried by Apodemus mice (species names follow the International Committee on Taxonomy of Viruses nomenclature). Of the two hantaviral diseases, hemorrhagic fever with renal syndrome (HFRS) and hantaviral cardiopulmonary syndrome, the European viruses cause only HFRS: DOBV with often severe symptoms and a high case fatality rate, and PUUV and SAAV more often mild disease. More than 10,000 HFRS cases are diagnosed annually in Europe and in increasing numbers. Whether this is because of increasing recognition by the medical community or due to environmental factors such as climate change, or both, is not known. Nevertheless, in large areas of Europe, the population has a considerable seroprevalence but only relatively few HFRS cases are reported. Moreover, no epidemiological data are available from many countries. We know now that cardiac, pulmonary, ocular and hormonal disorders are, besides renal changes, common during the acute stage of PUUV and DOBV infection. About 5% of hospitalized PUUV and 16%-48% of DOBV patients require dialysis and some prolonged intensive-care treatment. Although PUUV-HFRS has a low case fatality rate, complications and long-term hormonal, renal, and cardiovascular consequences commonly occur. No vaccine or specific therapy is in general use in Europe. We conclude that hantaviruses have a significant impact on public health in Europe.
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Affiliation(s)
- Antti Vaheri
- Department of Virology, Haartman Institute, and Research Programs Unit, Infection Biology, University of Helsinki, Helsinki, Finland.
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Sargianou M, Watson DC, Chra P, Papa A, Starakis I, Gogos C, Panos G. Hantavirus infections for the clinician: From case presentation to diagnosis and treatment. Crit Rev Microbiol 2012; 38:317-29. [DOI: 10.3109/1040841x.2012.673553] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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18
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Hautala T, Hautala N, Mähönen SM, Sironen T, Pääkkö E, Karttunen A, Salmela PI, Vainio O, Rytky S, Plyusnin A, Vaheri A, Vapalahti O, Kauma H. Young male patients are at elevated risk of developing serious central nervous system complications during acute Puumala hantavirus infection. BMC Infect Dis 2011; 11:217. [PMID: 21838931 PMCID: PMC3166934 DOI: 10.1186/1471-2334-11-217] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Accepted: 08/14/2011] [Indexed: 11/20/2022] Open
Abstract
Background Our aim was to characterize clinical properties and laboratory parameters in patients with or without cerebrospinal fluid (CSF) findings suggestive of central nervous system (CNS) involvement, and especially those who developed serious CNS complications during acute nephropathia epidemica (NE) caused by Puumala hantavirus (PUUV) infection. Methods A prospective cohort of 40 patients with acute NE and no signs of major CNS complications was analyzed. In addition, 8 patients with major CNS complications associated with NE were characterized. We collected data of CNS symptoms, CSF analysis, brain magnetic resonance imaging (MRI) results, electroencephalography (EEG) recordings, kidney function, and a number of laboratory parameters. Selected patients were evaluated by an ophthalmologist. Results Patients with a positive CSF PUUV IgM finding or major CNS complications were more often males (p < 0.05) and they had higher plasma creatinine values (p < 0.001) compared to those with negative CSF PUUV IgM. The degree of tissue edema did not explain the CSF findings. Patients with major CNS complications were younger than those with negative CSF PUUV IgM finding (52.9 vs. 38.5 years, p < 0.05). Some patients developed permanent neurological and ophthalmological impairments. Conclusions CNS and ocular involvement during and after acute NE can cause permanent damage and these symptoms seem to be attributable to true infection of the CNS rather than increased tissue permeability. The possibility of this condition should be borne in mind especially in young male patients.
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Affiliation(s)
- Timo Hautala
- Department of Internal Medicine, Oulu University Hospital, Oulu, Finland.
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Stingl K, Bruckmann A. [Acute myopia]. Ophthalmologe 2011; 108:859-62. [PMID: 21688053 DOI: 10.1007/s00347-011-2385-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This paper presents a case of ocular involvement during acute renal failure caused by hantavirus. A 34-year-old man suffered from sudden visual loss during acute onset fever with nausea and renal failure. The ophthalmologic examination showed myopia in both eyes and no signs of infection but virological studies revealed an infection with hantavirus. During treatment of the renal failure the myopia improved spontaneously. Transient myopia is a typical ocular involvement during infections with hantavirus which leads to renal failure.
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Affiliation(s)
- K Stingl
- Department und Forschungsinstitut für Augenheilkunde, Universitätsklinikum Tübingen, Schleichstr. 12-16, 72076, Tübingen, Deutschland.
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Klingström J, Ahlm C. Hantavirus protein interactions regulate cellular functions and signaling responses. Expert Rev Anti Infect Ther 2011; 9:33-47. [PMID: 21171876 DOI: 10.1586/eri.10.157] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Rodent-borne pathogenic hantaviruses cause two severe and often lethal zoonotic diseases: hemorrhagic fever with renal syndrome (HFRS) in Eurasia and hantavirus cardiopulmonary syndrome (HCPS) in the Americas. Currently, no US FDA-approved therapeutics or vaccines are available for HFRS/HCPS. Infections with hantaviruses are not lytic, and it is currently not known exactly why infections in humans cause disease. A better understanding of how hantaviruses interfere with normal cell functions and activation of innate and adaptive immune responses might provide clues to future development of specific treatment and/or vaccines against hantavirus infection. In this article, the current knowledge regarding immune responses observed in patients, hantavirus interference with cellular proteins and signaling pathways, and possible approaches in the development of therapeutics are discussed.
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Affiliation(s)
- Jonas Klingström
- Centre for Microbiological Preparedness, Swedish Institute for Infectious Disease Control, Solna, Sweden.
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Park KH, Kang YU, Kang SJ, Jung YS, Jang HC, Jung SI. Experience with extrarenal manifestations of hemorrhagic fever with renal syndrome in a tertiary care hospital in South Korea. Am J Trop Med Hyg 2011; 84:229-33. [PMID: 21292889 DOI: 10.4269/ajtmh.2011.10-0024] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
Abstract
Reports on the clinical entity of hemorrhagic fever with renal syndrome (HFRS) have focused on acute renal failure. Data on the extrarenal manifestations are limited primarily to case reports. In this study, protean extrarenal manifestations involving the major organs occurred in one-third of patients with HFRS during various stages (i.e., febrile phase through diuretic phase). Pancreatobiliary manifestations and major bleeding occurred in 11% and 10% of patients, respectively. Cardiovascular and central nervous system manifestations developed during the febrile or oliguric phase, whereas pancreatobiliary manifestations and major bleeding were detected even in the diuretic phase. Thus, close monitoring of and additional knowledge about various extrarenal manifestations are needed.
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Affiliation(s)
- Kyung Hwa Park
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
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Huttunen NP, Mäkelä S, Pokka T, Mustonen J, Uhari M. Systematic literature review of symptoms, signs and severity of serologically confirmed nephropathia epidemica in paediatric and adult patients. ACTA ACUST UNITED AC 2011; 43:405-10. [DOI: 10.3109/00365548.2011.559666] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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23
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Hautala T, Mähönen SM, Sironen T, Hautala N, Pääkkö E, Karttunen A, Salmela PI, Ilonen J, Vainio O, Glumoff V, Rytky S, Plyusnin A, Vaheri A, Vapalahti O, Kauma H. Central nervous system-related symptoms and findings are common in acute Puumala hantavirus infection. Ann Med 2010; 42:344-51. [PMID: 20545485 DOI: 10.3109/07853890.2010.480979] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Puumala hantavirus (PUUV) causes a hemorrhagic fever with renal syndrome (HFRS) also called nephropathia epidemica (NE). Recent case reports and retrospective studies suggest that NE may damage the pituitary gland. Based on these observations, our goal was to explore the nature of this complication prospectively. METHODS A total of 58 hospitalized patients with acute NE volunteered to participate. Central nervous system (CNS) symptoms were recorded, cerebrospinal fluid (CSF) samples were collected, human leukocyte antigen (HLA) haplotype was analyzed, brain magnetic resonance imaging (MRI) was acquired, and electroencephalography (EEG) was recorded. Patients with abnormal pituitary MRI finding were examined by an endocrinologist. RESULTS Most patients experienced CNS symptoms, and half of the CSF samples were positive for PUUV IgM, elevated protein level, or leukocyte count. CSF of patients negative for DR15(2)-DQ6 haplotype was less frequently affected. MRI revealed pituitary hemorrhage in two patients; these two patients suffered sudden loss of vision associated with headache, and they both developed hypopituitarism. Only one patient required long-term hormonal replacement therapy. CONCLUSION CNS-related symptoms and inflammation in the CSF are common in acute NE. Genetic properties of the host may predispose to CNS involvement. It does seem that pituitary injury and subsequent hormonal insufficiency may complicate the recovery.
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Affiliation(s)
- Timo Hautala
- Department of Internal Medicine, Oulu University Hospital, Oulu, Finland.
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Abstract
Hantaviruses are enzootic viruses that maintain persistent infections in their rodent hosts without apparent disease symptoms. The spillover of these viruses to humans can lead to one of two serious illnesses, hantavirus pulmonary syndrome and hemorrhagic fever with renal syndrome. In recent years, there has been an improved understanding of the epidemiology, pathogenesis, and natural history of these viruses following an increase in the number of outbreaks in the Americas. In this review, current concepts regarding the ecology of and disease associated with these serious human pathogens are presented. Priorities for future research suggest an integration of the ecology and evolution of these and other host-virus ecosystems through modeling and hypothesis-driven research with the risk of emergence, host switching/spillover, and disease transmission to humans.
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Mäkelä S, Jaatinen P, Miettinen M, Salmi J, Ala-Houhala I, Huhtala H, Hurme M, Pörsti I, Vaheri A, Mustonen J. Hormonal deficiencies during and after Puumala hantavirus infection. Eur J Clin Microbiol Infect Dis 2010; 29:705-13. [PMID: 20397036 DOI: 10.1007/s10096-010-0918-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2010] [Accepted: 03/20/2010] [Indexed: 11/28/2022]
Abstract
Previous reports have described panhypopituitarism associated with severe cases of hemorrhagic fever with renal syndrome (HFRS), but the prevalence of hormonal deficiencies after nephropathia epidemica (NE), a milder form of HFRS, has not been studied. This study was conducted in order to determine the prevalence of hormonal defects in patients with acute NE and during long-term follow-up. Fifty-four patients with serologically confirmed acute NE were examined by serum hormonal measurements during the acute NE, after 3 months, and after 1 to 10 (median 5) years. Thirty out of 54 (56%) patients had abnormalities of the gonadal and/or thyroid axis during the acute NE. After a median follow-up of 5 years, 9 (17%) patients were diagnosed with a chronic, overt hormonal deficit: hypopituitarism was found in five patients and primary hypothyroidism in five patients. In addition, chronic subclinical testicular failure was found in five men. High creatinine levels and inflammatory markers during NE were associated with the acute central hormone deficiencies, but not with the chronic deficiencies. Hormonal defects are common during acute NE and, surprisingly, many patients develop chronic hormonal deficiencies after NE. The occurrence of long-term hormonal defects cannot be predicted by the severity of acute NE.
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Affiliation(s)
- S Mäkelä
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, 33521, Tampere, Finland.
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Jost C, Krause R, Graninger W, Weber K. Transient hypopituitarism in a patient with nephropathia epidemica. BMJ Case Rep 2009; 2009:bcr02.2009.1538. [PMID: 21691389 DOI: 10.1136/bcr.02.2009.1538] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Involvement of the pituitary gland is only rarely observed in hantavirus infection. This report describes the case of a patient who had transient hypopituitarism requiring hormonal replacement therapy due to hypophysitis as a result of Puumala virus infection. MRI studies revealed oedematous swelling of the gland as a morphological correlate. This report provides new evidence that hypopituitarism can be a serious complication in Puumala virus infection and highlights the clinical implications of this disorder.
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Affiliation(s)
- Christina Jost
- Medical University Hospital Graz, Rheumatology, Auenbruggerplatz 15, Graz, 8036, Austria
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Cerar D, Avsic-Zupanc T, Jereb M, Strle F. Case report: severe neurological manifestation of Dobrava hantavirus infection. J Med Virol 2007; 79:1841-3. [PMID: 17935168 DOI: 10.1002/jmv.21021] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In Europe infection with Puumala or Dobrava viruses causes hemorrhagic fever with renal syndrome (HFRS). In the course of HFRS, mild neurological symptoms such as headache, vertigo, and nausea are common. However, the data about the occurrence of severe, potentially life-threatening neurological manifestations are rather scarce. Here, we present a case of HFRS with serologically proven Dobrava virus infection complicated by epileptic seizures and hemiparesis due to focal encephalitis.
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Affiliation(s)
- Dasa Cerar
- Department of Infectious Diseases, University Medical Centre Ljubljana, Ljubljana, Slovenia.
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Mähönen SM, Sironen T, Vapalahti O, Pääkkö E, Hautala N, Ilonen J, Glumoff V, Vainio O, Kauma H, Vaheri A, Plyusnin A, Hautala T. Puumala virus RNA in cerebrospinal fluid in a patient with uncomplicated nephropathia epidemica. J Clin Virol 2007; 40:248-51. [PMID: 17900974 DOI: 10.1016/j.jcv.2007.08.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2007] [Revised: 07/04/2007] [Accepted: 08/14/2007] [Indexed: 10/22/2022]
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Hoier S, Aberle SW, Langner C, Schnedl W, Högenauer C, Reisinger EC, Krejs GJ, Krause R. Puumala virus RNA in patient with multiorgan failure. Emerg Infect Dis 2006; 12:356-7. [PMID: 17080583 PMCID: PMC3373091 DOI: 10.3201/eid1202.050634] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Abstract
The Bunyaviridae are a large group of viruses that infect a diversity of arthropod vectors and animal hosts. They have a worldwide distribution and can be the cause of human illness ranging from mild asymptomatic infection to hemorrhagic fever and fatal encephalitis. The growth of the human population, the expansion of agricultural and economic development, climatic changes, and the speed and frequency of global transportation all favor the emergence of bunyaviruses and other arthropod borne viruses. International monitoring of the Bunyaviridae and a greater understanding of their ecology and biology are needed to prepare for future outbreaks.
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Affiliation(s)
- Samantha S Soldan
- Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4283, USA
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Krause R, Aberle S, Haberl R, Daxböck F, Wenisch C. Puumala virus infection with acute disseminated encephalomyelitis and multiorgan failure. Emerg Infect Dis 2003; 9:603-5. [PMID: 12737748 PMCID: PMC2972754 DOI: 10.3201/eid0905.020405] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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32
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Affiliation(s)
- F Bergmann
- Department of Clinical Neurophysiology, Georg-August-University of Göttingen, Robert-Koch Str. 40, 37075, Göttingen, Germany.
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Markotić A, Nichol ST, Kuzman I, Sanchez AJ, Ksiazek TG, Gagro A, Rabatić S, Zgorelec R, Avsic-Zupanc T, Beus I, Dekaris D. Characteristics of Puumala and Dobrava infections in Croatia. J Med Virol 2002; 66:542-51. [PMID: 11857535 DOI: 10.1002/jmv.2179] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this study, two different hantaviruses, Puumala virus (PUUV) and Dobrava virus (DOBV), were demonstrated for the first time to coexist and cause hemorrhagic fever with renal syndrome (HFRS) in Croatia. Phylogenetic analysis showed some differences among the nucleotide sequences of PUUV originating from Dinara mountain, which was more closely related to Austrian PUUV than other Croatian PUUV from Mala Kapela mountain. More consistency was found among the Croatian DOBV. HFRS was verified in 85 of 201 suspected cases recorded in 1995 during the largest HFRS outbreak in Croatia. Most of these cases were soldiers. With the exception of the coastal region and islands, all of Croatia was found to be an area endemic for HFRS. A statistically significantly higher proportion of DOBV-infected patients had acute renal failure, visual disturbance, severe thrombocytopenia, and elevated levels of nonsegmented leukocytes, creatine, and total bilirubin. The prevalence of gastrointestinal and electrocardiography disorders also was greater in DOBV-infected patients. Interestingly, significantly more PUUV-infected patients had elevated systolic blood pressure on admission to the hospital. Further prospective studies are necessary to shed more light on differences in HFRS severity associated with PUU and DOB viruses.
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Affiliation(s)
- A Markotić
- Institute of Immunology, Zagreb, Croatia.
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Toivanen AL, Valanne L, Tatlisumak T. Acute disseminated encephalomyelitis following nephropathia epidemica. Acta Neurol Scand 2002; 105:333-6. [PMID: 11939950 DOI: 10.1034/j.1600-0404.2002.1c168.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Acute disseminated encephalomyelitis (ADEM) is an acute monophasic inflammatory and demyelinating disease of the central nervous system (CNS) occurring days to weeks after a virus infection or vaccination. Nephropathia epidemica (NE) is a haemorrhagic fever with renal syndrome caused by Puumala virus, with endemic regions in Europe, especially Scandinavia and Western Russia. We describe a case of severe nephropathia epidemica requiring dialysis, followed by severe CNS symptoms caused by ADEM. To our best knowledge this is the first case in the literature in which NE caused ADEM.
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Affiliation(s)
- A-L Toivanen
- Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland.
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35
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Linderholm M, Elgh F. Clinical characteristics of hantavirus infections on the Eurasian continent. Curr Top Microbiol Immunol 2001; 256:135-51. [PMID: 11217401 DOI: 10.1007/978-3-642-56753-7_8] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- M Linderholm
- Department of Infectious Diseases, Umeå University, 901 85 Umeå, Sweden.
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Ebihara H, Yoshimatsu K, Ogino M, Araki K, Ami Y, Kariwa H, Takashima I, Li D, Arikawa J. Pathogenicity of Hantaan virus in newborn mice: genetic reassortant study demonstrating that a single amino acid change in glycoprotein G1 is related to virulence. J Virol 2000; 74:9245-55. [PMID: 10982372 PMCID: PMC102124 DOI: 10.1128/jvi.74.19.9245-9255.2000] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2000] [Accepted: 06/08/2000] [Indexed: 11/20/2022] Open
Abstract
Two Hantaan virus strains, clone 1 (cl-1), which is virulent in newborn mice, and its attenuated mutant (mu11E10), were used to examine the pathogenesis of Hantaan virus infection in a mouse model and identify virus factors relating to virulence. After subcutaneous inoculation of newborn BALB/c mice, cl-1 caused fatal disease with high viral multiplication in peripheral organs, but mu11E10 produced nonfatal infection with a low level of virus multiplication. Intracerebral inoculation of either strain caused fatal disease. Histopathological changes in the dead animals were prominent in the brain, indicating that the brain is the target organ and produces the fatal outcome. These results indicate that mu11E10 has a generally less virulent phenotype, and because of decreased multiplication in peripheral tissues, neuroinvasiveness is also decreased. An experiment with genetic reassortant viruses showed that in newborn mice the M segment is the most related to virulence and the L segment is partly related. Sequence comparison detected a single deduced amino acid change (cl-1 Ile to mu11E10 Thr) at amino acid number 515 in glycoprotein G1. One nucleotide change, but no amino acid substitution, was observed in the noncoding region of the L segment. In mouse brain microvascular endothelial cells in vitro, viruses possessing a cl-1-derived M segment grew more rapidly than viruses containing a mu11E10-derived M segment. These results suggest that the single amino acid change in the glycoprotein alters peripheral growth, which affects invasion of the central nervous system in mice.
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Affiliation(s)
- H Ebihara
- Institute for Animal Experimentation, Hokkaido University School of Medicine, Hokkaido University, Sapporo 060-8638, USA
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Settergren B. Clinical aspects of nephropathia epidemica (Puumala virus infection) in Europe: a review. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 2000; 32:125-32. [PMID: 10826895 DOI: 10.1080/003655400750045204] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Nephropathia epidemica (NE) is a prevalent zoonosis throughout Europe and is caused by the Puumala type of hantavirus. The incidence of NE varies in a cyclic fashion, with peaks occurring every 3rd to 4th year, coinciding with peaks in vole populations. The clinical course of NE is generally milder than haemorrhagic fever with renal syndrome caused by hantaviruses in other parts of the world. Typically, NE has a sudden onset with fever, headache, backpain and gastrointestinal symptoms. However, severe complications, e.g. gastrointestinal haemorrhage, occur and fatal cases have been reported. Renal involvement is prominent and manifests as initial oliguria and later as marked polyuria. Tests of renal function show pronounced glomerular and tubular involvement. Vaccine against Puumala virus infection as well as specific treatment for NE are still lacking.
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Affiliation(s)
- B Settergren
- Department of Infectious Diseases, Karolinska Hospital, Stockholm, Sweden
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38
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Kontkanen M, Lähdevirta J, Brummer-Korvenkontio M, Puustjärvi T. Haemorrhagic fever with renal syndrome caused by Puumala virus: evaluation of the risk for cataract formation. Eye (Lond) 1998; 12 ( Pt 1):145-7. [PMID: 9614533 DOI: 10.1038/eye.1998.25] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Ahlm C, Lindén C, Linderholm M, Alexeyev OA, Billheden J, Elgh F, Fagerlund M, Zetterlund B, Settergren B. Central nervous system and ophthalmic involvement in nephropathia epidemica (European type of haemorrhagic fever with renal syndrome). J Infect 1998; 36:149-55. [PMID: 9570645 DOI: 10.1016/s0163-4453(98)80004-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Central nervous system (CNS) - related symptoms occur in haemorrhagic fever with renal syndrome (HFRS). To study the CNS and ophthalmic involvement in nephropathia epidemica (NE), the European type of HFRS, we included 26 patients in a prospective study. Most common CNS-related symptoms were headache (96%), insomnia (83%), vertigo (79%), nausea (79%), and vomiting (71%). Ophthalmic symptoms were reported by 82% of patients; 41% had photophobia and 50% had impaired vision. A transient loss of vision was recorded in one patient, who also had a generalized seizure. Minor white matter lesions were found in about half of the patients investigated with brain magnetic resonance imaging (MRI). Electroencephalography (EEG) showed severe alterations in only one patient, and slight and reversible patterns in another two patients. Neopterin, interleukin-6 and interferon-gamma levels in the cerebrospinal fluid (CSF) were elevated, which may indicate immune activation. However, we found no evidence of intrathecal NE virus replication. We conclude that CNS-related symptoms are common in NE, and transient ophthalmic involvement can be demonstrated in about half of the patients.
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Affiliation(s)
- C Ahlm
- Department of Infectious Diseases, University Hospital of Northern Sweden, Umeå
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Kontkanen M, Puustjärvi T, Kauppi P, Lähdevirta J. Ocular characteristics in nephropathia epidemica or Puumala virus infection. ACTA OPHTHALMOLOGICA SCANDINAVICA 1996; 74:621-5. [PMID: 9017055 DOI: 10.1111/j.1600-0420.1996.tb00748.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE We documented the largest series so far concerning the ocular characteristics of nephropathia epidemica. METHODS A total of 37 consecutive nephropathia epidemica patients underwent a comprehensive ophthalmic examination during hospitalization for systemic infection, and a control examination after recovery. RESULTS The most common ocular symptoms were: frontal headache or periocular pain (75.6%), blurred vision (54.1%) and photophobia (10.8%). The best corrected visual acuity of 7 patients (18.9%) was reduced during the acute phase as compared to the later control examination. Myopic shift was found in 15 patients (40.5%), three of whom (8.1%) developed real transient myopia. There were no attacks of angle closure glaucoma in this series. On the contrary, the intraocular pressure was decreased in 49 eyes (66.2%) during the acute stage of the disease. Lid edema was present in 28 eyes (37.8%), conjunctival injection in 20 eyes (27.0%), chemosis in 8 eyes (10.8%) and subconjuctival bleeding in 3 eyes (4.1%). Signs of acute anterior uveitis were found in 10 eyes (13.5%), however, this resolved without treatment. In one eye retinal edema with hemorrhages was detected. Ultrasonography revealed narrowing of the anterior chamber during the acute phase in 69 eyes (93.2%) and thickening of the crystalline lens in 64 eyes (86.5%). CONCLUSION Ophthalmic findings in nephropathia epidemica are not uncommon. The symmetry of the clinical manifestations reflects the systemic nature of the underlying infection.
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Affiliation(s)
- M Kontkanen
- Department of Ophthalmology, Savonlinna Central Hospital, Finland
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