1
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Jakab Á, Kahlig P, Kuenzli E, Neumayr A. Tick borne relapsing fever - a systematic review and analysis of the literature. PLoS Negl Trop Dis 2022; 16:e0010212. [PMID: 35171908 PMCID: PMC8887751 DOI: 10.1371/journal.pntd.0010212] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 03/01/2022] [Accepted: 01/27/2022] [Indexed: 02/07/2023] Open
Abstract
Tick borne relapsing fever (TBRF) is a zoonosis caused by various Borrelia species transmitted to humans by both soft-bodied and (more recently recognized) hard-bodied ticks. In recent years, molecular diagnostic techniques have allowed to extend our knowledge on the global epidemiological picture of this neglected disease. Nevertheless, due to the patchy occurrence of the disease and the lack of large clinical studies, the knowledge on several clinical aspects of the disease remains limited. In order to shed light on some of these aspects, we have systematically reviewed the literature on TBRF and summarized the existing data on epidemiology and clinical aspects of the disease. Publications were identified by using a predefined search strategy on electronic databases and a subsequent review of the reference lists of the obtained publications. All publications reporting patients with a confirmed diagnosis of TBRF published in English, French, Italian, German, and Hungarian were included. Maps showing the epidemiogeographic mosaic of the different TBRF Borrelia species were compiled and data on clinical aspects of TBRF were analysed. The epidemiogeographic mosaic of TBRF is complex and still continues to evolve. Ticks harbouring TBRF Borrelia have been reported worldwide, with the exception of Antarctica and Australia. Although only molecular diagnostic methods allow for species identification, microscopy remains the diagnostic gold standard in most clinical settings. The most suggestive symptom in TBRF is the eponymous relapsing fever (present in 100% of the cases). Thrombocytopenia is the most suggestive laboratory finding in TBRF. Neurological complications are frequent in TBRF. Treatment is with beta-lactams, tetracyclines or macrolids. The risk of Jarisch-Herxheimer reaction (JHR) appears to be lower in TBRF (19.3%) compared to louse-borne relapsing fever (LBRF) (55.8%). The overall case fatality rate of TBRF (6.5%) and LBRF (4-10.2%) appears to not differ. Unlike LBRF, where perinatal fatalities are primarily attributable to abortion, TBRF-related perinatal fatalities appear to primarily affect newborns.
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Affiliation(s)
- Ákos Jakab
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Pascal Kahlig
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Esther Kuenzli
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Andreas Neumayr
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
- Department of Public Health and Tropical Medicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, Queensland, Australia
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2
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Stete K, Rieg S, Margos G, Häcker G, Wagner D, Kern WV, Fingerle V. Case Report and Genetic Sequence Analysis of Candidatus Borrelia kalaharica, Southern Africa. Emerg Infect Dis 2019; 24:1659-1664. [PMID: 30124191 PMCID: PMC6106409 DOI: 10.3201/eid2409.171381] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Tickborne relapsing fever caused by Borrelia species is rarely reported in travelers returning from Africa. We report a case of a 71-year-old woman who sought treatment at University Medical Center in Freiburg, Germany, in 2015 with recurrent fever after traveling to southern Africa. We detected spirochetes in Giemsa-stained blood smears. Treatment with doxycycline for suspected tickborne relapsing fever was successful. Sequence analyses of several loci (16S rRNA, flagellin, uvrA) showed high similarity to the recently described Candidatus Borrelia kalaharica, which was found in a traveler returning from the same region earlier that year. We provide additional information regarding the genetic relationship of Candidatus B. kalaharica. Sequence information for an additional 6 housekeeping genes enables improved comparability to other borrelial species that cause relapsing fever. Our report underlines the importance and possible emergence of the only recently delineated pathogen in southern Africa.
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3
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Butler T. The Jarisch-Herxheimer Reaction After Antibiotic Treatment of Spirochetal Infections: A Review of Recent Cases and Our Understanding of Pathogenesis. Am J Trop Med Hyg 2016; 96:46-52. [PMID: 28077740 DOI: 10.4269/ajtmh.16-0434] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 09/20/2016] [Indexed: 02/04/2023] Open
Abstract
Within 24 hours after antibiotic treatment of the spirochetal infections syphilis, Lyme disease, leptospirosis, and relapsing fever (RF), patients experience shaking chills, a rise in temperature, and intensification of skin rashes known as the Jarisch-Herxheimer reaction (JHR) with symptoms resolving a few hours later. Case reports indicate that the JHR can also include uterine contractions in pregnancy, worsening liver and renal function, acute respiratory distress syndrome, myocardial injury, hypotension, meningitis, alterations in consciousness, seizures, and strokes. Experimental evidence indicates it is caused by nonendotoxin pyrogen and spirochetal lipoproteins. Mediation of the JHR in RF by the pro-inflammatory cytokines tumor necrosis factor (TNF), interleukin (IL)-6, and IL-8 has been proposed, consistent with measurements in patients' blood and inhibition by anti-TNF antibodies. Accelerated phagocytosis of spirochetes by polymorphonuclear (PMN) leukocytes before rise in cytokines is responsible for removal of organisms from the blood, suggesting an early inflammatory signal from PMNs. Rarely fatal, except in neonates and in pregnancy for African women whose babies showed high perinatal mortality because of low birth weight, the JHR can be regarded as an adverse effect of antibiotics, necessary for achieving a cure of spirochetal infections.
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Affiliation(s)
- Thomas Butler
- Department of Microbiology and Immunology, Ross University School of Medicine, Portsmouth, Dominica, West Indies.
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4
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Haney C, Nahata MC. Unique expression of chronic Lyme disease and Jarisch-Herxheimer reaction to doxycycline therapy in a young adult. BMJ Case Rep 2016; 2016:bcr-2013-009433. [PMID: 27440843 DOI: 10.1136/bcr-2013-009433] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
I am a 24-year-old male who was diagnosed with chronic Lyme disease after 4 years of multiple, non-specific symptoms. I have written this case as first author with my faculty mentor listed as the coauthor. The objective of this report is to highlight the experience with doxycycline treatment. In 2007, at around age 19 years, I had an acute onset of sore throat, tonsillitis, low-grade fever, stiff upper back and neck muscles, migraines and severely stiff, cracking jaw joints. This led to >24 medical visits, multitudes of tests and examinations, and exploratory surgery over the next 3 years. In 2011, a Lyme-literate medical doctor (LLMD) diagnosed me with chronic Lyme disease. I started taking doxycycline 100 mg by mouth every 12 hours, leading to atypical sequences of events deemed a Jarisch-Herxheimer reaction by a LLMD. This case highlights the unique clinical expression of chronic Lyme disease and the Jarisch-Herxheimer response to doxycycline.
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Affiliation(s)
- Chad Haney
- Ohio State University, Columbus, Ohio, USA
| | - Milap C Nahata
- College of Pharmacy, Ohio State University, Columbus, Ohio, USA
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5
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Fingerle V, Pritsch M, Wächtler M, Margos G, Ruske S, Jung J, Löscher T, Wendtner C, Wieser A. "Candidatus Borrelia kalaharica" Detected from a Febrile Traveller Returning to Germany from Vacation in Southern Africa. PLoS Negl Trop Dis 2016; 10:e0004559. [PMID: 27031729 PMCID: PMC4816561 DOI: 10.1371/journal.pntd.0004559] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 02/28/2016] [Indexed: 11/18/2022] Open
Abstract
A 26 year-old female patient presented to the Tropical Medicine outpatient unit of the Ludwig Maximilians-University in Munich with febrile illness after returning from Southern Africa, where she contracted a bite by a large mite-like arthropod, most likely a soft-tick. Spirochetes were detected in Giemsa stained blood smears and treatment was started with doxycycline for suspected tick-borne relapsing fever. The patient eventually recovered after developing a slight Jarisch-Herxheimer reaction during therapy. PCR reactions performed from EDTA-blood revealed a 16S rRNA sequence with 99.4% similarity to both, Borrelia duttonii, and B. parkeri. Further sequences obtained from the flagellin gene (flaB) demonstrated genetic distances of 0.066 and 0.097 to B. parkeri and B. duttonii, respectively. Fragments of the uvrA gene revealed genetic distance of 0.086 to B. hermsii in genetic analysis and only distant relations with classic Old World relapsing fever species. This revealed the presence of a novel species of tick-borne relapsing fever spirochetes that we propose to name “Candidatus Borrelia kalaharica”, as it was contracted from an arthropod bite in the Kalahari Desert belonging to both, Botswana and Namibia, a region where to our knowledge no relapsing fever has been described so far. Interestingly, the novel species shows more homology to New World relapsing fever Borrelia such as B. parkeri or B. hermsii than to known Old World species such as B. duttonii or B. crocidurae. A patient reported an arthropod bite on her dorsal metatarsal region 2/3 of her anterior foot during a trip to the Kalahari Desert in Southern Africa. Eventually, a rash developed at the site of the bite and high-grade fever started 8 days later. Spirochetes were detected in the blood smear and the patient was treated with the suspected diagnosis of tick-borne relapsing fever. The presence of Borrelia spp. in fresh patient blood could be confirmed using DNA amplification and sequencing techniques. Homology searches of the obtained sequences from 16S rRNA, flaB, and uvrA revealed surprisingly distant relationships to known Borrelia species. It is concluded that the infection was caused by a new species of tick-borne relapsing fever Borrelia capable of infecting humans that we propose to name “Candidatus Borrelia kalaharica”, which is described within this manuscript. The blood sample was discarded after initial analysis; therefore, no successful culture could be obtained.
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Affiliation(s)
- Volker Fingerle
- National Reference Centre for Borrelia, Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit (LGL), Dienststelle Oberschleißheim, Germany
| | - Michael Pritsch
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the LMU, Munich, Germany
| | - Martin Wächtler
- Department of Haematology, Oncology, Immunology, Palliative Care, Infectious Diseases and Tropical Medicine, Klinikum Schwabing, Akademisches Lehrkrankenhaus der Ludwig-Maximilians-Universität und Technischen Universität, Munich, Germany
| | - Gabriele Margos
- National Reference Centre for Borrelia, Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit (LGL), Dienststelle Oberschleißheim, Germany
| | - Sabine Ruske
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the LMU, Munich, Germany
| | - Jette Jung
- Department of Bacteriology, Max von Pettenkofer-Institute LMU Munich, Germany
| | - Thomas Löscher
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the LMU, Munich, Germany
| | - Clemens Wendtner
- Department of Haematology, Oncology, Immunology, Palliative Care, Infectious Diseases and Tropical Medicine, Klinikum Schwabing, Akademisches Lehrkrankenhaus der Ludwig-Maximilians-Universität und Technischen Universität, Munich, Germany
| | - Andreas Wieser
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the LMU, Munich, Germany
- Department of Bacteriology, Max von Pettenkofer-Institute LMU Munich, Germany
- College of Public Health and Medical Science, Jimma University, Jimma, Ethiopia
- * E-mail:
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6
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Torreggiani S, Filocamo G, Esposito S. Recurrent Fever in Children. Int J Mol Sci 2016; 17:448. [PMID: 27023528 PMCID: PMC4848904 DOI: 10.3390/ijms17040448] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 03/13/2016] [Accepted: 03/21/2016] [Indexed: 12/16/2022] Open
Abstract
Children presenting with recurrent fever may represent a diagnostic challenge. After excluding the most common etiologies, which include the consecutive occurrence of independent uncomplicated infections, a wide range of possible causes are considered. This article summarizes infectious and noninfectious causes of recurrent fever in pediatric patients. We highlight that, when investigating recurrent fever, it is important to consider age at onset, family history, duration of febrile episodes, length of interval between episodes, associated symptoms and response to treatment. Additionally, information regarding travel history and exposure to animals is helpful, especially with regard to infections. With the exclusion of repeated independent uncomplicated infections, many infective causes of recurrent fever are relatively rare in Western countries; therefore, clinicians should be attuned to suggestive case history data. It is important to rule out the possibility of an infectious process or a malignancy, in particular, if steroid therapy is being considered. After excluding an infectious or neoplastic etiology, immune-mediated and autoinflammatory diseases should be taken into consideration. Together with case history data, a careful physical exam during and between febrile episodes may give useful clues and guide laboratory investigations. However, despite a thorough evaluation, a recurrent fever may remain unexplained. A watchful follow-up is thus mandatory because new signs and symptoms may appear over time.
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Affiliation(s)
- Sofia Torreggiani
- Pediatric Medium Intensive Care Unit, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.
| | - Giovanni Filocamo
- Pediatric Medium Intensive Care Unit, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.
| | - Susanna Esposito
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.
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7
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Abstract
Relapsing fever borreliae were notorious and feared infectious agents that earned their place in history through their devastating impact as causes of both epidemic and endemic infection. They are now considered more as an oddity, and their burden of infection is largely overshadowed by other infections such as malaria, which presents in a similar clinical way. Despite this, they remain the most common bacterial infection in some developing countries. Transmitted by soft ticks or lice, these fascinating spirochetes have evolved a myriad of mechanisms to survive within their diverse environments.
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Affiliation(s)
- Sally J Cutler
- School of Health, Sport and Bioscience, University of East London, London E15 4LZ, UK.
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8
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Boinas F, Ribeiro R, Madeira S, Palma M, de Carvalho IL, Núncio S, Wilson AJ. The medical and veterinary role of Ornithodoros erraticus complex ticks (Acari: Ixodida) on the Iberian Peninsula. JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2014; 39:238-248. [PMID: 25424252 DOI: 10.1111/jvec.12098] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 05/22/2014] [Indexed: 06/04/2023]
Abstract
Argasid ticks of the Ornithodoros erraticus complex are associated with traditional pig-farming practices on the Iberian Peninsula and are also found elsewhere in North Africa, West Africa, and western Asia. The ticks associated with pig farming on the Iberian Peninsula are the only biological vectors of African swine fever virus (ASFV) known to occur in Europe, and their ecology makes them an extremely effective reservoir of both ASFV and the Borrelia species which cause tick-borne relapsing fever (TBRF) in humans. The recent reappearance of ASFV in the European Union, coupled with evidence that Portuguese tick populations continue to harbor Borrelia despite a lack of confirmed human infections, suggest that these populations merit closer attention. In Portugal, a series of surveys over the last twenty-five years indicates that the number of farm sites with tick infestations has declined and suggest that populations are sensitive to changes in farm management, particularly the use of modern pig housing. Various technologies have been suggested for the control of farm-associated Ornithodoros ticks and related species but, in our opinion, farm management changes are still the most effective strategy for population control. Furthermore, we suggest that this species could probably be eradicated from Iberian pig farms.
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Affiliation(s)
- Fernando Boinas
- Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica de Lisboa, 1300-477 Lisboa, Portugal.
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9
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Goutier S, Ferquel E, Pinel C, Bosseray A, Hoen B, Couetdic G, Bourahoui A, Lapostolle C, Pelloux H, Garnier M, Sertour N, Pelloux I, Pavese P, Cornet M. Borrelia crocidurae meningoencephalitis, West Africa. Emerg Infect Dis 2013; 19:301-4. [PMID: 23347436 PMCID: PMC3559064 DOI: 10.3201/eid1902.121325] [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] [Indexed: 11/30/2022] Open
Abstract
Borrelia crocidurae–associated relapsing fever is endemic to West Africa and is considered benign. We report 4 patients with B. crocidurae–associated neurologic symptoms; 2 of their cases had been misdiagnosed. Frequency and severity of this disease could be underestimated; molecular methods and serodiagnostic tests for Lyme disease might be helpful in its detection.
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10
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Bottieau E, Verbruggen E, Aubry C, Socolovschi C, Vlieghe E. Meningoencephalitis complicating relapsing fever in traveler returning from Senegal. Emerg Infect Dis 2012; 18:697-8. [PMID: 22469185 PMCID: PMC3309691 DOI: 10.3201/eid1804.111771] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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11
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Affiliation(s)
- Diego Cadavid
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Charlestown, 02129, USA.
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12
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Cutler SJ, Abdissa A, Trape JF. New concepts for the old challenge of African relapsing fever borreliosis. Clin Microbiol Infect 2009; 15:400-6. [PMID: 19489922 DOI: 10.1111/j.1469-0691.2009.02819.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Relapsing fever, caused by spirochaetes belonging to the genus Borrelia, was once the cause of worldwide epidemic disease. This was largely through infection with the louse-borne form of the disease, caused by Borrelia recurrentis (louse-borne relapsing fever (LBRF)). During the last century, we have witnessed the demise of this infection, largely owing to improved standards of living and the introduction of the insecticide DDT, resulting in a reduction in the incidence of the body louse, the vector for relapsing fever. In areas of extreme poverty this disease persists, causing a significant burden of disease. It is now looking probable that this infection is caused by a louse-adapted variant of Borrelia duttonii, transmitted by Ornithodoros moubata 'soft' ticks in East Africa. Like LBRF, infection still causes impact, particularly affecting young children and pregnant women. Over recent years, the true burden of relapsing fever caused by infection with the closely related Borrelia crocidurae, transmitted by Ornithodoros sonrai ticks, has only just begun to emerge. Here, the current state of knowledge concerning relapsing fever in Africa is reviewed.
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Affiliation(s)
- S J Cutler
- School of Health & Bioscience, University of East London, London, UK.
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13
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Nordstrand A, Bunikis I, Larsson C, Tsogbe K, Schwan TG, Nilsson M, Bergström S. Tickborne relapsing fever diagnosis obscured by malaria, Togo. Emerg Infect Dis 2007; 13:117-23. [PMID: 17370524 PMCID: PMC2725822 DOI: 10.3201/eid1301.060670] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Given the prevalence of relapsing fever (RF) in Senegal, this disease may cause illness and death in other areas of West Africa. We performed a cross-sectional, clinic-based study to investigate the presence of RF in Togo during 2002-2004. Blood samples from patients with fever were examined for RF spirochetes by microscopy, PCR, and DNA sequencing of amplicons and for antibodies to the glycerophosphodiester phosphodiesterase antigen. Although no spirochetes were seen in blood smears, approximately 10% of the patients were positive by PCR and approximately 13% were seropositive for spirochetes. DNA sequencing demonstrated that Borrelia crocidurae and B. duttonii were present. Most patients were treated for malaria whether or not plasmodia were observed. Thus, many RF patients originally had a misdiagnosis of malaria, which resulted in ineffective treatment. The inability of microscopic analysis to detect spirochetes compared with PCR demonstrates the need for tests with greater sensitivity.
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Affiliation(s)
| | | | | | - Kodjo Tsogbe
- Association Protestante des Oeuvres Médico-Sociales et Humanitaires du Togo, Lomé, Togo
| | - Tom G. Schwan
- National Institutes of Health, Hamilton, Montana, USA
| | - Mikael Nilsson
- The Swedish Institute for Infectious Disease Control, Solna, Sweden
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14
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Gallien S, Sarfati C, Haas L, Lagrange-Xelot M, Molina JM. Borreliosis: a rare and alternative diagnosis in travellers' febrile illness. Travel Med Infect Dis 2007; 5:247-50. [PMID: 17574148 DOI: 10.1016/j.tmaid.2007.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2007] [Accepted: 01/23/2007] [Indexed: 10/23/2022]
Abstract
We report a case of borreliosis mimicking uncomplicated malaria in a patient returning from Mali. Identification of spirochetes through examination of a thick blood smear completed by an acridine-orange quantitative buffy coat allowed the diagnosis of borreliosis. All symptoms rapidly resolved following tetracycline therapy. Epidemiological and clinical features of borreliosis, diagnostic tools and management are discussed.
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Affiliation(s)
- S Gallien
- Department of Tropical and Infectious Diseases, Saint-Louis University Hospital, 1, avenue Claude Vellefaux, 75475 Paris, Cedex 10, France.
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15
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Andersson M, Nordstrand A, Shamaei-Tousi A, Jansson A, Bergström S, Guo BP. In situ immune response in brain and kidney during early relapsing fever borreliosis. J Neuroimmunol 2007; 183:26-32. [PMID: 17184846 DOI: 10.1016/j.jneuroim.2006.11.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2006] [Revised: 10/31/2006] [Accepted: 11/01/2006] [Indexed: 11/24/2022]
Abstract
Characterization of the host immune response during initial pathogenesis of relapsing fever neuroborreliosis would be a key to understanding Borrelia persistence and factors driving the inflammatory process. We analyzed immune cells in brain and kidney with the highly invasive B. crocidurae during the first two weeks of murine infection. In both organs, microglia and/or macrophages predominated while T-cell changes were minimal. Compared to kidney, brain neutrophils infiltrated more rapidly and B-cells were essentially absent. Our results indicate that during early neuroborreliosis, brain defense is comprised primarily of innate immune cells while adaptive immunity plays a minor role.
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Affiliation(s)
- Marie Andersson
- Umeå University, Department of Molecular Biology, SE-90187 Umeå, Sweden
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16
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Abstract
Tick-borne relapsing fever is a bacterial infection caused by spirochetes of the genus Borrelia. This zoonotic disease is transmitted to humans through the bite of soft ticks of the genus Ornithodoros. It is responsible for recurring fever access associated with spirochetemia. We present here an overview of tick-borne relapsing fever occurring in Europe, as well as of the potential threat to travellers.
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Affiliation(s)
- Stanislas Rebaudet
- Service des Maladies Infectieuses et Tropicales, Hôpital Nord, Marseille, France
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17
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Abstract
Increasing globalization may pave the way for reemergence of relapsing fever. Relapsing fever Borrelia infections have attracted little attention in recent years; however, where endemic, these infections still result in considerable illness and death. Despite the marked antimicrobial drug susceptibility of these organisms, therapy is often delayed through lack of clinical suspicion. With increasing travel, infections may be imported, through exotic relapsing fever infection or through resurgence of infected disease vectors. Although louseborne relapsing fever is now geographically limited, it was once of global importance. The possibility for reemergence was recently highlighted by the probable reemergence of louseborne relapsing fever in homeless persons from France. Host limitations enforced through louseborne transmission are less applicable for the tickborne forms of relapsing fever. Although the latter have reduced potential for epidemic spread, they have the ability to infect diverse hosts, thus establishing reservoirs of infection and presenting greater challenges for their control.
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Affiliation(s)
- Sally J Cutler
- Bacterial Zoonoses, Statutory & Exotic Bacterial Diseases, Veterinary Laboratories Agency, Surrey, United Kingdom.
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18
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Tordini G, Giaccherini R, Corbisiero R, Zanelli G. Relapsing fever in a traveller from Senegal: determination of Borrelia species using molecular methods. Trans R Soc Trop Med Hyg 2006; 100:992-4. [PMID: 16455121 DOI: 10.1016/j.trstmh.2005.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2005] [Revised: 10/26/2005] [Accepted: 11/03/2005] [Indexed: 11/21/2022] Open
Abstract
We describe a case of a febrile patient returning from Senegal in which haemoscopic and molecular investigation confirmed tick-borne relapsing fever (TBRF), suggesting Borrelia crocidurae as the causative agent. This case emphasises the need to include TBRF in the differential diagnosis of fever following a journey from endemic countries, including malarial areas.
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Affiliation(s)
- G Tordini
- Department of Molecular Biology, Clinic and Laboratory of Infectious Diseases, Siena University, Policlinico Santa Maria alle Scotte, Viale Bracci 16, 53100 Siena, Italy.
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Escudero-Nieto R, Guerrero-Espejo A. Enfermedades producidas por Borrelia. Enferm Infecc Microbiol Clin 2005; 23:232-40. [PMID: 15826549 DOI: 10.1157/13073150] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lyme borreliosis, caused by Borrelia burgdorferi sensu lato, is a multi-organ infection with dermatological, rheumatological, neurological, and cardiac manifestations. The main characteristic is a skin lesion, named erythema migrans. Relapsing fever, caused by numerous species of Borrelia, is characterized by a periodic cycle of acute and afebrile episodes. The serological diagnosis of these infections has limited value in sensitivity, specificity and predictive values. Lyme borreliosis is usually diagnosed by recognition of a characteristic clinical picture with serological confirmation, and the diagnosis of relapsing fever relies on direct observation of spirochetes in peripherical blood. The elected treatment is almost always tetracycline for the young or for adults but not for pregnant women, although betalactamic (such as penicillin or 3rd generation cephalosporin for the central nervous system) or macrolides are indicated in several situations. The prognosis, with adequate treatment, is good. In the majority of Spanish regions, due to the low incidence of these diseases, the prophylactic antimicrobial treatment after a tick bite is not indicated.
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Affiliation(s)
- Raquel Escudero-Nieto
- Laboratorio de Espiroquetas y Patógenos Especiales, Servicio de Bacteriología, Centro Nacional de Microbiología, ISCIII. Majadahonda, Madrid, Spain.
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Jensenius M, Parola P, Raoult D. Threats to international travellers posed by tick-borne diseases. Travel Med Infect Dis 2004; 4:4-13. [PMID: 16887719 DOI: 10.1016/j.tmaid.2004.11.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
To date, 14 tick-borne diseases have been reported in international travellers, the majority of cases being Lyme borreliosis caused by Borrelia burgdorferi sensu lato in North America and Eurasia, African tick bite fever caused by Rickettsia africae in sub-Saharan Africa and eastern Caribbean, and Central European encephalitis caused by tick-borne encephalitis virus in Europe. The clinical presentation is frequently non-specific, and tick-borne diseases should always, in the absence of other likely diagnoses, be suspected in travellers with flu-like symptoms following a recent visit to tick-infested areas. Feasible microbiological diagnostic tests are widely unavailable, at least outside areas of endemicity where many infected travellers present. Empiric treatment with doxycycline should be considered in suspected cases of tick-borne bacterial diseases. Since ecotourism and adventure travel are increasingly popular worldwide, the incidence of travel-associated tick-borne diseases is likely to increase in the future.
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Affiliation(s)
- Mogens Jensenius
- Department of Internal Medicine, Aker University Hospital, Oslo, Norway.
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José Lavilla M, Rezusta A, José Revillo M, Ramos C, Lomba E, Andac P. Hallazgo infrecuente en sangre periférica. Enferm Infecc Microbiol Clin 2003. [DOI: 10.1016/s0213-005x(03)72875-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bottieau E, Clerinx J, Colebunders R, Van Gompel A. Fever after a stay in the tropics. Part 1: Diagnostic approach. Acta Clin Belg 2002; 57:295-300. [PMID: 12723246 DOI: 10.1179/acb.2002.056] [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: 10/31/2022]
Affiliation(s)
- E Bottieau
- Instituut voor Tropische Geneeskunde, Departement Klinische Weternschappen, Nationalestraat 155, 2000 Antwerpen, België.
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Nordstrand A, Shamaei-Tousi A, Ny A, Bergström S. Delayed invasion of the kidney and brain by Borrelia crocidurae in plasminogen-deficient mice. Infect Immun 2001; 69:5832-9. [PMID: 11500461 PMCID: PMC98701 DOI: 10.1128/iai.69.9.5832-5839.2001] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2001] [Accepted: 05/29/2001] [Indexed: 11/20/2022] Open
Abstract
Borrelia crocidurae is an etiologic agent of relapsing fever in Africa and is transmitted to humans by the bite of soft ticks of the genus Ornithodoros. The role of the plasminogen (Plg) activation system for the pathogenicity of B. crocidurae was investigated by infection of Plg-deficient (plg(-/-)) and Plg wild-type (plg(+/+)) mice. No differences in spirochetemia were observed between the plg(-/-) and plg(+/+) mice. However, signs indicative of brain invasion, such as neurological symptoms and/or histopathological changes, were more common in plg(+/+) mice. Quantitative immunohistochemical analysis demonstrated infection of spirochetes in kidney interstitium and brain as soon as 2 days postinoculation. Lower numbers of extravascular spirochetes in plg(-/-) mice during the first days of infection suggested a less efficient invasion mechanism in these mice than in the plg(+/+) mice. The invasion of the kidneys in plg(-/-) mice produced no significant inflammation, as seen by quantitative immunohistochemistry of the CD45 common leukocyte marker. However, significant kidney inflammation was observed with infection in the plg(+/+) mice. In brain, inflammation was more severe in plg(+/+) mice than in plg(-/-) mice, and the numbers of CD45(+) cells increased significantly with duration of infection in the plg(+/+) mice. The results show that invasion of brain and kidney occurs as early as 2 days after inoculation. Also, Plg is not required for establishment of spirochetemia by the organism, whereas it is involved in the invasion of organs.
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Affiliation(s)
- A Nordstrand
- Department of Molecular Biology, Department of Medical Biosciences, Umeå University, S-90187 Umeå, Sweden.
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Shamaei-Tousi A, Burns MJ, Benach JL, Furie MB, Gergel EI, Bergström S. The relapsing fever spirochaete, Borrelia crocidurae, activates human endothelial cells and promotes the transendothelial migration of neutrophils. Cell Microbiol 2000; 2:591-9. [PMID: 11207611 DOI: 10.1046/j.1462-5822.2000.00083.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The blood-borne, erythrocyte-aggregating Borrelia crocidurae, the causative agent of African relapsing fever, have been shown to induce severe cellular lesions in mice. In this paper, we present the first report of how the endothelium is stimulated during an African relapsing fever B. crocidurae infection. B. crocidurae co-incubated with cultured human umbilical vein endothelial cells (HUVECs) activated endothelium in such way that E-selectin and intercellular adhesion molecule 1 (ICAM-1) became upregulated in a dose- and time-dependent fashion, as determined by a whole-cell enzyme-linked immunosorbent assay (ELISA). The upregulation was reduced by treatment that killed the bacteria, suggesting that viability is important for the stimulation of HUVECs by B. crocidurae. Furthermore, conditioned medium from HUVECs stimulated with B. crocidurae contained interleukin (IL)-8, which is a chemotactic agent for neutrophils. Activation of HUVECs by B. crocidurae resulted in migration of subsequently added neutrophils across the endothelial monolayers, and this migration was inhibited by antibodies to IL-8. The activation of endothelium by B. crocidurae may constitute a key pathophysiological mechanism in B. crocidurae-induced vascular damage.
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van Dam AP, van Gool T, Wetsteyn JC, Dankert J. Tick-borne relapsing fever imported from West Africa: diagnosis by quantitative buffy coat analysis and in vitro culture of Borrelia crocidurae. J Clin Microbiol 1999; 37:2027-30. [PMID: 10325370 PMCID: PMC85019 DOI: 10.1128/jcm.37.6.2027-2030.1999] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/1998] [Accepted: 03/17/1999] [Indexed: 11/20/2022] Open
Abstract
West African tick-borne relapsing fever (TBRF) is difficult to diagnose due to the low number of spirochetes in the bloodstream of patients. Previously, the causative microorganism, Borrelia crocidurae, had never been cultured in vitro. TBRF was rapidly diagnosed for two patients returning from western Africa with fever of unknown origin by quantitative buffy coat (QBC) analysis. Diagnosis was confirmed by intraperitoneal inoculation of blood specimens from patients into laboratory mice. In vitro experiments showed that QBC analysis may be as much as 100-fold more sensitive than thick smear. Spirochetes were also cultured from blood samples from both patients in modified Kelly's medium and were identified as B. crocidurae by partial sequencing of the PCR-amplified rrs gene.
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Affiliation(s)
- A P van Dam
- Departments of Medical Microbiology, Tropical Medicine and AIDS, Academic Medical Centre, 1105 AZ Amsterdam, The Netherlands.
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Abstract
A 31-year-old woman diagnosed with Lyme disease was treated with amoxicillin. One hour after the first antibiotic dose, the patient became acutely ill. She developed hypertension, fever, and rigors. Shortly afterward, she became hypotensive and required fluid resuscitation. This systemic illness, the Jarisch-Herxheimer reaction, was first noted in association with antibiotic therapy for neurosyphilis. Thus, the institution of antibiotic therapy may be complicated by the Jarisch-Herxheimer reaction.
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Affiliation(s)
- A L Maloy
- The Department of Emergency Medicine, Hospital of Saint Raphael, New Haven, Connecticut 06511, USA
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Burman N, Shamaei-Tousi A, Bergström S. The spirochete Borrelia crocidurae causes erythrocyte rosetting during relapsing fever. Infect Immun 1998; 66:815-9. [PMID: 9453646 PMCID: PMC107974 DOI: 10.1128/iai.66.2.815-819.1998] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Several species of the genus Borrelia exhibit antigenic variation of variable major proteins on their surface during relapsing fever. We have investigated the African relapsing fever species Borrelia crocidurae during infections in mice and compared it with the thoroughly studied North American species Borrelia hermsii. A major difference between the two species is that B. crocidurae can bind and become completely covered with erythrocytes. In addition, B. crocidurae causes a prolonged spirochetemia which coincides with a delayed appearance of antiborrelial antibodies. We show that the antibody response against an unrelated antigen is not delayed and that antibiotic treatment, which dissociates rosettes and inhibits the spirochetes, also leads to an early antibody response. Taken together, the erythrocyte aggregation and prolonged spirochetemia hint at a new mode of immune evasion where erythrocyte-covered spirochetes may avoid contact with the phagocytic cells and B cells of the immune system, thereby delaying the onset of a specific immune response.
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Affiliation(s)
- N Burman
- Department of Microbiology, Umeå University, Sweden
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Poulsen LW, Iversen G. Relapsing fever: a differential diagnosis to malaria. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 1996; 28:419-20. [PMID: 8893411 DOI: 10.3109/00365549609037932] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A 20-year-old man who had spent several weeks in Asia suffered several attacks of fever, each lasting 1 day in a cyclic pattern. Initially he was suspected to have malaria, but no parasites were found in a blood smear. When he was readmitted to the hospital with high fever and shivering. Borrelia spirochaetes were detected in a blood smear, leading to a diagnosis of relapsing fever. He recovered immediately when treated with tetracyclin.
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Affiliation(s)
- L W Poulsen
- Department of Infectious Diseases, Marselisborg Hospital, Aurhus, Denmark
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