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Valenza G, Kallmann B, Berend A, Mlynski R, Nöckler K, Kurzai O, Frosch M, Abele-Horn M. Isolation of Brucella melitensis from a patient with hearing loss. Eur J Clin Microbiol Infect Dis 2006; 25:67-8. [PMID: 16418830 DOI: 10.1007/s10096-006-0084-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- G Valenza
- Institute of Hygiene and Microbiology, University of Würzburg, Josef-Schneider-Strasse 2, 97080 Würzburg, Germany.
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102
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Abstract
PURPOSE To report a rare case of Brucella meningitis with papilledema in a child and to discuss the findings of neurobrucellosis in children. METHODS A 6-year-old girl was admitted with headache, fever, and vomiting for 1 week. Her family reported intake of raw unpasteurized goat's milk in the past. Meningeal signs were strongly positive. Bilateral moderate optic disc edema with flame-shaped hemorrhages was observed. RESULTS The diagnosis of Brucella infection was established by positive blood culture for Brucella species, serum agglutination titer of antibodies to Brucella >1:160, and positive CSF culture. After treatment consisting of trimethoprim-sulfamethoxazole, rifampin, and doxycycline, the patient's condition gradually improved. One month later, the papilledema disappeared. One year after presentation, the patient remains free of symptoms. CONCLUSIONS Brucella meningitis must be ruled out in symptomatic patients reporting ingestion of raw unpasteurized goat's milk. Papilledema is a frequent clinical feature, but irreversible visual impairment is extremely rare.
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Affiliation(s)
- J Levy
- Department of Ophthalmology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
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103
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Akcam FZ, Yayli G, Uskun E, Kaya O, Demir C. Evaluation of the Bactec microbial detection system for culturing miscellaneous sterile body fluids. Res Microbiol 2005; 157:433-6. [PMID: 16364602 DOI: 10.1016/j.resmic.2005.10.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2005] [Accepted: 10/10/2005] [Indexed: 11/18/2022]
Abstract
This study sought to evaluate the efficacy of the Bactec blood culture system for culturing sterile body fluids, in comparison with traditional culture methods. A total of 906 specimens were cultured using both conventional media and the Bactec detection system. Differences in numbers of isolates determined by each system were compared. Clinically significant microorganisms were isolated from 15.3% (139) of 906 specimens by both the Bactec system and conventional culture, whereas for 8.8% (80) of the specimens a positive culture was obtained by Bactec only. Of the 80 specimens in which growth was detected only in the Bactec blood culture system, 11.0% were comprised of cerebrospinal fluid, 9.9% peritoneal fluid, 4.9% pleural fluid, 4.5% synovial fluid and 9.1% bone marrow materials. Strains of Brucella melitensis, Neisseria meningitidis, Pseudomonas fluorescens and Rothia dentocariosa were cultured only by the Bactec system. In conclusion, the Bactec blood culture system might be advantageous for isolation of fastidious microorganisms such as Brucella, especially from cerebrospinal and peritoneal fluid specimens.
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Affiliation(s)
- Fusun Zeynep Akcam
- Department of Clinical Microbiology and Infectious Diseases, Medical School of Suleyman Demirel University, Isparta, Turkey.
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104
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Banarer M, Cost K, Rychwalski P, Bryant KA. Chronic lymphocytic meningitis in an adolescent. J Pediatr 2005; 147:686-90. [PMID: 16291364 DOI: 10.1016/j.jpeds.2005.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2005] [Revised: 06/07/2005] [Accepted: 07/13/2005] [Indexed: 11/24/2022]
Affiliation(s)
- Miriam Banarer
- Department of Pediatrics , University of Louisville, Louisville, KY 40202, USA
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105
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Abstract
Chronic meningitis is a syndrome commonly defined by the presence of continuously persistent meningeal inflammation for at least 4 weeks. Presenting neurologic features are often nonspecific, and the list of differential diagnoses is broad. Despite the development of modern molecular diagnostic methods, establishing a specific cause may challenge the acumen of the treating neurologist with clues to the diagnosis residing outside the nervous system and requiring focused investigation. This review discusses selected etiologies illustrating issues in diagnosis and etiologic categories to be considered in the evaluation of this challenging syndrome.
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Affiliation(s)
- Bruce A Cohen
- Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, 710 North Lake Shore Drive, Abbott Hall 1121, Chicago, IL 60611, USA.
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106
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Al Dahouk S, Nöckler K, Hensel A, Tomaso H, Scholz HC, Hagen RM, Neubauer H. Human brucellosis in a nonendemic country: a report from Germany, 2002 and 2003. Eur J Clin Microbiol Infect Dis 2005; 24:450-6. [PMID: 15959815 DOI: 10.1007/s10096-005-1349-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Human brucellosis has become a rare disease in Germany since the eradication of bovine and ovine/caprine brucellosis in this country. Therefore, most physicians are unfamiliar with the illnesses clinical presentation, diagnostic tools, and therapeutic strategies. This retrospective study was carried out to evaluate the epidemiological, clinical, and laboratory features of human brucellosis in Germany in the years 2002 and 2003. Thirty-one bacterial isolates from 30 patients sent to the German national reference laboratory were characterized using the genus-specific bcsp31 real-time PCR, the species-specific AMOS-PCR, and standard microbiological methods for the detection and identification of Brucella spp. The medical records of all patients with bacteriologically confirmed brucellosis were evaluated. All 31 isolates proved to be Brucella (30 Brucella melitensis and 1 Brucella suis). Most of the brucellosis patients were infected in endemic countries while visiting friends and relatives during their summer holidays. One case of laboratory-acquired infection was identified. Brucellosis was transmitted mainly by the consumption of contaminated unpasteurized milk or cheese from goats and sheep. The patients presented primarily with flu-like symptoms, i.e. fever, chills, sweating, headaches, arthralgia, and myalgia. In most cases, however, symptoms and signs of focal complications, e.g. spondylitis, endocarditis, and meningoencephalitis, predominated. The rate of complications was much higher than that in endemic countries, presumably as a result of diagnostic delay due to a low index of suspicion. In summary, physicians in nonendemic countries such as Germany must be aware of brucellosis being a possible cause of fever of unknown origin in immigrants and tourists travelling from endemic countries.
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Affiliation(s)
- S Al Dahouk
- Department of Bacteriology, Bundeswehr Institute of Microbiology, Neuherbergstrasse 11, 80937, Munich, Germany.
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107
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Muñoz-Carreño P, Andreu-Sánchez JL, Fernández-Castro M, Silva-Fernández L, Sanz-Sanz J, Mulero-Mendoza J. [Not Available]. REUMATOLOGIA CLINICA 2005; 1:129-130. [PMID: 21794248 DOI: 10.1016/s1699-258x(05)72726-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2004] [Accepted: 04/04/2005] [Indexed: 05/31/2023]
Affiliation(s)
- P Muñoz-Carreño
- Servicio de Reumatología. Hospital Universitario Puerta de Hierro. Madrid. España
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108
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Kaygusuz TO, Kaygusuz I, Kilic SS, Yalcin S, Felek S. Investigation of hearing loss in patients with acute brucellosis by standard and high-frequency audiometry. Clin Microbiol Infect 2005; 11:559-63. [PMID: 15966974 DOI: 10.1111/j.1469-0691.2005.01167.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This study aimed to determine the effect of acute brucellosis on the auditory system. Forty-two patients with acute brucellosis were evaluated clinically, and with serological and audiological tests, before and after treatment. Hearing threshold averages were calculated at 11 different frequencies (250-8000 Hz) of the auditory airway, and statistical analysis was performed. The average hearing thresholds were > 20 dB, with standard audiometry at 6000-8000 Hz, and < 20 dB at all other frequencies. After treatment, the average auditory threshold decreased to < 20 dB at 6000-8000 Hz (p < 0.0001). Pure-tone hearing thresholds were improved at all frequencies after treatment, with statistically significant differences at all frequencies except 12,000, 14,000 and 16 000 Hz (p < 0.05). There was no permanent hearing loss caused by acute brucellosis, and hearing thresholds were restored after treatment. It was concluded that acute brucellosis affects the auditory system, especially at high frequencies, and that patients with all forms of brucellosis should be evaluated for hearing loss.
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Affiliation(s)
- T Ozturk Kaygusuz
- Department of Infectious Diseases and Clinical Microbiology, Government Hospital, Elazig, Turkey.
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109
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Affiliation(s)
- Georgios Pappas
- Brucellosis Unit, University Hospital of Ioannina, Ioannina, Greece.
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110
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Troy SB, Rickman LS, Davis CE. Brucellosis in San Diego: epidemiology and species-related differences in acute clinical presentations. Medicine (Baltimore) 2005; 84:174-187. [PMID: 15879907 DOI: 10.1097/01.md.0000165659.20988.25] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Although aggressive public health measures have greatly reduced the number of brucellosis cases in the United States, there is a resurgence of interest in this worldwide zoonosis because of its potential as a bioweapon and its 8-fold higher incidence in California, Texas, and the other borderlands between the United States and Mexico compared with the national rate. Accordingly, we reviewed the clinical records of 28 patients diagnosed at a university hospital in San Diego, CA, between 1979 and 2002 to look for new epidemiologic trends and to test the hypothesis that there are species-specific differences in clinical presentations. In contrast to the latest California-wide study completed in 1992, Brucella abortus infections were more common (73%) than Brucella melitensis after 1992, and women were more commonly infected (77% compared with 39%) than men. Major risk factors remained Hispanic ethnicity, travel to Mexico, and ingestion of nonpasteurized dairy products. Analysis of diagnostic procedures suggested that the traditional practice of prolonged incubation of blood cultures increased their sensitivity for Brucella, even in automated radiometric systems. Direct comparison of the clinical manifestations of infections with B. abortus and B. melitensis strongly supported differences in acute presentations. B. melitensis presented more acutely as fevers of unknown origin with statistically significant higher rates of abdominal tenderness, hepatomegaly, splenomegaly, thrombocytopenia, pancytopenia, and hepatic dysfunction. These results suggest that the epidemiology of brucellosis in California may be evolving, and they show, to our knowledge for the first time in a single series, that species-specific differences in presentations may account for some of the protean manifestations of brucellosis. Familiarity with manifestations of brucellosis and the optimal laboratory techniques for its diagnosis could help physicians protect the public against this reemerging, under-recognized zoonosis.
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Affiliation(s)
- Stephanie B Troy
- From Departments of Pathology (CED) and Medicine (SBT, LSR, CED), School of Medicine, University of California, San Diego and UCSD Medical Center, San Diego, CA
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111
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Gündeş S, Meriç M, Willke A, Erdenliğ S, Koç K. A case of intracranial abscess due to Brucella melitensis. Int J Infect Dis 2004; 8:379-81. [PMID: 15494262 DOI: 10.1016/j.ijid.2004.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2004] [Indexed: 11/27/2022] Open
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112
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Abstract
Spinal infections are rare, occurring most often in elderly patients with urinary tract infections or diabetes. With the increasing number of patients with immune suppression, and also the increasing number of immigrants in the population, spinal infections are seen more frequently, especially in young adults. Typically spinal infections are monomicrobial, Staphylococcus aureus being the most common organism. Hematogenous spread of bacteria through the arterial paravertebral collateral vessels into the subchondral bone marrow of the vertebral bodies is the most common source of infection. Clinical presentation is often nonspecific. Important diagnostic measurements are laboratory studies, radiological evaluation including MR image scans, and CT-guided percutaneous biopsy of the lesion for microbiological studies. The management of spinal infections consists of antimicrobial therapy over 6-8 weeks. Surgical intervention is indicated in neurologically compromised patients for spinal instability and abscesses.
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Affiliation(s)
- E J Müller
- Chirurgische Klinik und Poliklinik der BG-Kliniken Bergmannsheil, Ruhruniversität Bochum.
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113
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Drevets DA, Leenen PJM, Greenfield RA. Invasion of the central nervous system by intracellular bacteria. Clin Microbiol Rev 2004; 17:323-47. [PMID: 15084504 PMCID: PMC387409 DOI: 10.1128/cmr.17.2.323-347.2004] [Citation(s) in RCA: 144] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Infection of the central nervous system (CNS) is a severe and frequently fatal event during the course of many diseases caused by microbes with predominantly intracellular life cycles. Examples of these include the facultative intracellular bacteria Listeria monocytogenes, Mycobacterium tuberculosis, and Brucella and Salmonella spp. and obligate intracellular microbes of the Rickettsiaceae family and Tropheryma whipplei. Unfortunately, the mechanisms used by intracellular bacterial pathogens to enter the CNS are less well known than those used by bacterial pathogens with an extracellular life cycle. The goal of this review is to elaborate on the means by which intracellular bacterial pathogens establish infection within the CNS. This review encompasses the clinical and pathological findings that pertain to the CNS infection in humans and includes experimental data from animal models that illuminate how these microbes enter the CNS. Recent experimental data showing that L. monocytogenes can invade the CNS by more than one mechanism make it a useful model for discussing the various routes for neuroinvasion used by intracellular bacterial pathogens.
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Affiliation(s)
- Douglas A Drevets
- Department of Medicine, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma 73104, USA.
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114
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Abstract
Recent events of war, terrorist attacks, and mail-borne anthrax exposure have produced increasing awareness of potential bioterrorism attacks in the United States and other parts of the world. Physicians and healthcare personnel play a key role in identifying potential bioterrorist attacks. Early recognition and preparedness for bioterrorism-associated illnesses is especially important for neurologists because most bioterrorism agents can directly or indirectly affect the nervous system. This article reviews the neurologic manifestations, diagnosis, and treatments of syndromes caused by potential bioterrorism agents, as well as the potential side effects of vaccines against some of these agents.
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Affiliation(s)
- M H Han
- Department of Neurology, Harborview Medical Center, Box 359775, 325 Ninth Avenue South, Seattle, WA 98104, USA
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115
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Solaroglu I, Kaptanoglu E, Okutan O, Beskonakli E. Solitary extra-axial posterior fossa abscess due to neurobrucellosis. J Clin Neurosci 2003; 10:710-2. [PMID: 14592629 DOI: 10.1016/s0967-5868(03)00152-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Neurobrucellosis is a rare manifestation of systemic brucellosis. The incidence of nervous system involvement in chronic Brucellosis is approximately 5%. In this case report a solitary, extra-axial posterior fossa abscess due to neurobrucellosis is presented. The clinical manifestations, diagnosis, and treatment of this unusual condition are discussed.
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Affiliation(s)
- Ihsan Solaroglu
- Department of Neurosurgery, Ankara Numune Education and Research Hospital, Ankara, Turkey
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116
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117
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Bodur H, Erbay A, Akinci E, Colpan A, Cevik MA, Balaban N. Neurobrucellosis in an endemic area of brucellosis. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 2003; 35:94-7. [PMID: 12693557 DOI: 10.1080/0036554021000027000] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Central nervous system involvement occurs less than 5% of patients with brucellosis. A prospective analysis of 73 patients with brucellosis identified 13 (17.8%) neurobrucellosis cases from February 2001 to May 2002. 10 patients had chronic meningitis and 3 acute meningitis. Two patients had only psychiatric disorders. Cranial nerve involvement was observed in 3 patients (6th, 7th and 8th nerves). Three patients had positive blood cultures and 3 others had positive cerebrospinal fluid (CSF) cultures. 12 patients had positive agglutination titres in CSF. All patients received antibiotic therapy with ceftriaxone, rifampicin and doxycycline initially, and after 1 month they were continued with rifampicin and doxycycline up to 4 months. All patients were completely cured. Hearing loss developed in 1 patient as a sequela.
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Affiliation(s)
- Hürrem Bodur
- Department of Infectious Diseases and Clinical Microbiology, Ankara Numune Education and Research Hospital, Ankara, Turkey
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118
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Abstract
Chronic meningitis is a clinical syndrome that is characterized by persistent or progressive signs and symptoms of meningitis associated with cerebrospinal fluid pleocytosis and elevated protein concentrations, lasting for a duration of at least 4 weeks without improvement. A large number of infectious and noninfectious diseases, many of which are difficult to diagnose, can cause chronic meningitis. Careful attention to exposure and travel history, physical examination findings, and certain patterns of CSF parameters, coupled with other specific laboratory evaluations, all play important roles in trying to identify the etiologic agent causing the chronic meningitis.
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Affiliation(s)
- Tina Q Tan
- Feinberg School of Medicine, Northwestern University, Division of Infectious Diseases, Children's Memocrial Hospital, Chicago, IL 60614, USA.
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119
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Sohn AH, Probert WS, Glaser CA, Gupta N, Bollen AW, Wong JD, Grace EM, McDonald WC. Human neurobrucellosis with intracerebral granuloma caused by a marine mammal Brucella spp. Emerg Infect Dis 2003; 9:485-8. [PMID: 12702232 PMCID: PMC2957978 DOI: 10.3201/eid0904.020576] [Citation(s) in RCA: 194] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
We present the first report of community-acquired human infections with marine mammal-associated Brucella spp. and describe the identification of these strains in two patients with neurobrucellosis and intracerebral granulomas. The identification of these isolates as marine mammal strains was based on omp2a sequence and amplification of the region flanking bp26.
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Affiliation(s)
- Annette H Sohn
- University of California, San Francisco, San Francisco, California, USA.
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120
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Abstract
We reviewed the literature on camel brucellosis. The seroprevalence of brucellosis in camels appears to follow two distinct patterns: a low (2-5%) prevalence in nomadic or extensively kept camels and a high (8-15%) prevalence in camels kept intensively or semi-intensively. The infection is caused by different biotypes of Brucella abortus and Brucella melitensis. Many gaps exist in the literature on the epidemiology of camel brucellosis. There is no clear policy in any of the camel-keeping countries regarding the control of brucellosis in camels. We suggest whole-herd vaccination in low-prevalence countries and test-and-slaughter followed by vaccination in high-prevalence countries.
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Affiliation(s)
- B Abbas
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, King Saud University, P.O. Box 1482, Buraydah, Saudi Arabia.
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121
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Aygen B, Doğanay M, Sümerkan B, Yildiz O, Kayabaş Ü. Clinical manifestations, complications and treatment of brucellosis: a retrospective evaluation of 480 patients. Med Mal Infect 2002. [DOI: 10.1016/s0399-077x(02)00403-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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122
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Affiliation(s)
- Mehmet Helvaci
- Department of Pediatrics, Social Security Tepecik Teaching Hospital, Izmir, Turkey.
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123
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Bayazit YA, Namiduru M, Bayazit N, Ozer E, Kanlikama M. Hearing status in brucellosis. Otolaryngol Head Neck Surg 2002; 127:97-100. [PMID: 12161737 DOI: 10.1067/mhn.2002.125761] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although brucellosis can lead to multisystem complications, involvement of the ear in brucellosis is rarely reported in the literature. The purpose of this study was to assess the hearing status of patients with brucellosis. STUDY DESIGN Thirty-two patients with brucellosis were included in the study. Pure tone and speech audiometry and tympanometry were performed in the patients. RESULTS The mean pure tone averages of the patients were within normal limits and were similar in both ears (P > 0.05). The pure tone averages of the patients with or without anti-Brucella treatment were not significantly different (P > 0.05) and were within the normal limits. When the hearing levels of these patients were compared at the frequencies of 250, 500, 1000, 2000, 4000, and 8000 Hz, there was no significant difference as well (P > 0.05). CONCLUSIONS Peripheral brucellosis does not appear to be associated with hearing loss.
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Affiliation(s)
- Yildirim A Bayazit
- Departments of Otolaryngology and of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Gaziantep University, Kolejtepe, Turkey.
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124
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Novati R, Viganò MG, de Bona A, Nocita B, Finazzi R, Lazzarin A. Neurobrucellosis with spinal cord abscess of the dorsal tract: a case report. Int J Infect Dis 2002; 6:149-50. [PMID: 12146501 DOI: 10.1016/s1201-9712(02)90079-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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125
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Tsolia M, Drakonaki S, Messaritaki A, Farmakakis T, Kostaki M, Tsapra H, Karpathios T. Clinical features, complications and treatment outcome of childhood brucellosis in central Greece. J Infect 2002; 44:257-62. [PMID: 12099734 DOI: 10.1053/jinf.2002.1000] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES To examine the epidemiology, clinical and hematological characteristics, complications and treatment outcome of childhood brucellosis in central Greece. METHODS Retrospective record review of all patients 0-14 years of age with brucellosis admitted during a 16-year period between 1984 and 1999. RESULTS A total of 39 cases (23 males, median age 132 months) were recorded in which the diagnosis was confirmed by a positive culture (n=30) or detection of IgM antibodies with ELISA (n=9). About 38% of these patients came from families of farmers or shepherds who owned a few domestic animals or small herds of goats or sheep and another 43% had consumed dairy products bought from shepherds. In 41% of the cases another family member developed symptomatic infection. Most of the patients presented with fever (61%) and musculoskeletal symptoms (69%). Splenomegaly was recorded in 38% and hepatomegaly in 28% of the cases. Anemia (39%) and monocytosis (31%) were the most common hematological manifestations, followed by lymphopenia (18%). Unusual complications were detected in two patients who developed thrombocytopenic purpura and acute facial nerve palsy, respectively, but recovered without long-term sequelae. None of the 22 patients who received a combination of two or three antibiotics for > or =6 weeks and had adequate follow-up had a relapse. CONCLUSION Childhood brucellosis remains an important public health problem in central Greece. It usually occurs in families that raise small ruminants and the development of symptomatic infection in more than one family member is common. It may cause serious complications in children and treatment with at least two antibiotics for not less than six weeks appears to be effective.
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Affiliation(s)
- M Tsolia
- Second Department of Pediatrics, University of Athens, Greece.
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126
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Garthoff LH, Sobotka TJ. From farm to table to brain: foodborne pathogen infection and the potential role of the neuro-immune-endocrine system in neurotoxic sequelae. Nutr Neurosci 2002; 4:333-74. [PMID: 11845817 DOI: 10.1080/1028415x.2001.11747373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The American diet is among the safest in the world; however, diseases transmitted by foodborne pathogens (FBPs) still pose a public health hazard. FBPs are the second most frequent cause of all infectious illnesses in the United States. Numerous anecdotal and clinical reports have demonstrated that central nervous system inflammation, infection, and adverse neurological effects occur as complications of foodborne gastroenteritis. Only a few well-controlled clinical or experimental studies, however, have investigated the neuropathogenesis. The full nature and extent of neurological involvement in foodborne illness is therefore unclear. To our knowledge, this review and commentary is the first effort to comprehensively discuss the issue of FBP induced neurotoxicity. We suggest that much of this information supports the role of a theoretical model, the neuro-immune-endocrine system, in organizing and helping to explain the complex pathogenesis of FBP neurotoxicity.
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Affiliation(s)
- L H Garthoff
- United States FDA, Center for Food Safety & Applied Nutrition, Office of Applied Research and Safety Assessment, Division of Toxicology and Nutrition Product Studies, Neurotoxicology Branch, Laurel, MD 20708, USA.
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127
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Morata P, Queipo-Ortuño MI, Reguera JM, Miralles F, Lopez-Gonzalez JJ, Colmenero JD. Diagnostic yield of a PCR assay in focal complications of brucellosis. J Clin Microbiol 2001; 39:3743-6. [PMID: 11574607 PMCID: PMC88423 DOI: 10.1128/jcm.39.10.3743-3746.2001] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2001] [Accepted: 07/23/2001] [Indexed: 11/20/2022] Open
Abstract
In order to evaluate the diagnostic yield of a PCR assay for patients with focal complications of brucellosis, we studied by PCR and by conventional microbiological techniques 34 nonblood samples from 32 patients with different focal forms of brucellosis. The samples from patients with brucellosis were paired to an equal number of control samples from the same locations of patients whose illnesses had different etiologies. Thirty-three of the 34 nonblood samples (97%) from the brucellosis patients were positive by PCR, whereas Brucella spp. were isolated from only 29.4% of the conventional cultures. For 11.4% of the patients, the confirmatory serological tests were either negative or showed titers below the diagnostic range. Two patients (6.2%) from the control group, both with tuberculous vertebral osteomyelitis, had a positive PCR result. The brucella PCR of blood from these two patients was also positive, and the two strains of Mycobacterium tuberculosis isolated were analyzed by the brucella PCR, with no evidence of amplification. These results show that the PCR assay is far more sensitive than conventional cultures, and this, coupled with its speed and reduction in risk to laboratory workers, makes this technique a very useful tool for the diagnosis of focal complications of brucellosis.
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Affiliation(s)
- P Morata
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Málaga University, Spain
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128
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Mooty M, Kanj S, Araj G, Khalifeh R. Clinical microbiological case: a previously healthy woman presenting with headache and diplopia. Clin Microbiol Infect 2001. [DOI: 10.1046/j.1198-743x.2001.00293.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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129
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Affiliation(s)
- J M Mòdol
- Servicio de Medicina Interna, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona
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130
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Habeeb YK, Al-Najdi AK, Sadek SA, Al-Onaizi E. Paediatric neurobrucellosis: case report and literature review. J Infect 1998; 37:59-62. [PMID: 9733381 DOI: 10.1016/s0163-4453(98)90647-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Neurological complications are rare in childhood brucellosis: there are only 33 reported cases. In children, neurobrucellosis is usually of acute presentation involving the central nervous system. We report our experience with an 8-year-old boy with brucella meningitis who demonstrated a Jarisch-Herxheimer-like reaction, i.e. initial clinical deterioration following the commencement of antibrucella treatment, associated with increased pleocytosis and shift from lymphocytic to polymorphic predominance and an already increased CSF lactate. These CSF findings have not been previously described. The patient recovered completely after 3 months' therapy consisting of rifampicin, doxycycline and gentamicin. Paediatric neurobrucellosis therapy should be a combination of three antibrucella antibiotic that include an aminoglycoside; for a period of 8-12 weeks, steroids may be added to treat complications. The prognosis of neurobrucellosis in children is usually good.
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Affiliation(s)
- Y K Habeeb
- Department of Paediatrics, Adan Hospital, Kuwait
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131
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Abstract
Epidemiologic trends causing infections of the nervous system remain a significant source of morbidity and mortality one half-century after the introduction of penicillin. This article outlines common causes of bacterial meningitis, aseptic meningitis syndrome, encephalitis, abscess, spinal cord syndromes, and cranial and peripheral nerve problems. Recommendations for diagnostic evaluation and both empiric and definitive antimicrobial therapy are offered; controversial management issues are also discussed. The protean manifestations of varicella-zoster virus and Lyme diseases are outlined. In addition, special considerations in the immunocompromised host, including organ transplant recipients, cancer patients, and HIV-positive persons are explained, and antimicrobial therapy is discussed.
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Affiliation(s)
- A A Pruitt
- Department of Neurology, University of Pennsylvania Medical Center, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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132
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Akdeniz H, Irmak H, Anlar O, Demiröz AP. Central nervous system brucellosis: presentation, diagnosis and treatment. J Infect 1998; 36:297-301. [PMID: 9661940 DOI: 10.1016/s0163-4453(98)94279-7] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although neurological symptoms in brucellosis are frequent, central nervous system (CNS) involvement is uncommon. Five patients with neurobrucellosis are presented. Three patients presented with meningoencephalitis, one with polyradiculoneuritis and one with myelitis and an eighth nerve palsy. All patients had lymphocytic pleocytosis, low glucose and elevated levels of protein in the cerebrospinal fluid (CSF). Gamma-globulin and IgG values in the CSF were also increased. Results of agglutination tests for Brucella in serum and CSF were positive for all patients, although titres were less in the CSF. Brucella melitensis was cultured from two patients. Treatment included concurrent administration of three of the following drugs: doxycycline, rifampicin, streptomycin, co-trimoxazole, ceftriaxone or ciprofloxacin. The three patients with meningoencephalitis fully recovered; the other two patients were left with minor disability.
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Affiliation(s)
- H Akdeniz
- Department of Infectious Diseases, Medical School of Yüzüncü Yil University, Van, Turkey
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133
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Abstract
Infections are a recognized cause of secondary vasculitis. A variety of pathogens have a propensity to involve blood vessels. Vasculitis, non-vasculitic vasculopathy, and mycotic aneurysms lead to infarction and hemorrhage of nervous system tissue. Treatment of infection-related vasculitis should include appropriate antimicrobial therapy directed against the offending pathogen, and appropriate management of cerebrovascular complications.
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Affiliation(s)
- O Gerber
- Department of Neurology, School of Medicine, State University of New York at Stony Brook, Stony Brook, New York 11794-8121, USA
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134
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Abstract
Neurobrucellosis accounts for <1% of cases of brucellosis in children. Six new cases of neurobrucellosis are presented and data from 39 previously published cases are analysed. The incidence is equal in males and females, and the source of infection is likely to be unpasteurised milk. Clinical presentation varies from severe meningoencephalitis or peripheral neuropathy/radiculopathy to behavioural disturbance. Diagnostic certainty requires isolation of the organism from the CSF, but as this is rarely possible serological diagnosis can be performed with the Coombs test on the CSF. Treatment requires combination antibiotic therapy and should continue for at least 8 weeks.
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Affiliation(s)
- F Z Omar
- Children's and Maternity Hospital, Riyadh, Saudi Arabia
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135
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Abstract
The organisms that produce bacterial infections of the nervous system in tropical regions are similar to those existing in the rest of the world. However, because of poor socio-economic conditions in the former areas, preventing the implementation of appropriate prophylactic and therapeutic measures, the incidence and course of these diseases may vary. In this paper the neuropathological appearances of the main bacterial diseases are reviewed and the main differences between those occurring in developed and developing countries emphasized. Despite great efforts by governments and communities, tuberculosis still remains a scourge in many countries and leprosy has not been eradicated from earth. Earlier optimism that antibiotics could finally put an end to syphilis have been dashed and the disease still persists. Moreover, the explosion of AIDS not only has produced a recrudescence of many of these diseases, but has also changed their clinical and pathological presentation.
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Affiliation(s)
- F Gray
- Laboratoire de Neuropathologie, Hôpital Raymond Poincaré-Faculté de Médecine Paris-Quest, Garches, France.
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136
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Awada A, Russell N, al Rajeh S, Omojola M. Non-traumatic cerebral hemorrhage in Saudi Arabs: a hospital-based study of 243 cases. J Neurol Sci 1996; 144:198-203. [PMID: 8994124 DOI: 10.1016/s0022-510x(96)00232-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This is a retrospective study involving 243 Saudi Arabs with non-traumatic cerebral hemorrhages confirmed by CT scan. Intracerebral hemorrhages accounted for about 20% of all strokes in this population. THe male to female ratio was 2.74 which is slightly higher than those reported from elsewhere. Peak frequency was around 60 years. Hypertension was the most common cause accounting for 64% of the cases, hemopathies/coagulopathies for 10% and arteriovenous malformations (AVMs) for 6%. THe cause was undetermined in 21% of patients. Amyloid angiopathy was probably underrepresented due to lack of autopsy correlation. The etiologies were, however, age-related with a clear predominance of AVMs and coagulation disorders before the age of 40 years. Hypertensive hemorrhages were located in the putamen in 46% of cases compared to 20% in non-hypertensive patients while 52% of non-hypertensive hemorrhages were lobar in location compared to 20.5% in hypertensives. Early mortality (19%) in our series was relatively low compared to reports from the industrialized world.
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Affiliation(s)
- A Awada
- Section of Neurology, King Fahad National Guard Hospital, Riyadh, Saudi Arabia
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137
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Aygen B, Sümerkan B, Mirza M, Doganay M, Arman F. Treatment of neurobrucellosis with a combination of ceftriaxone, rifampicin and doxycycline (a study on ten cases). Med Mal Infect 1996. [DOI: 10.1016/s0399-077x(96)80124-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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138
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Abstract
Cutaneous and soft tissue lesions are uncommon manifestations of brucellosis. Though breast involvement in animal brucellosis is not uncommon, involvement of the breast in human brucellosis is extremely rare. We report a case of breast abscess in a 39-year-old female caused by Brucella melitensis. Treatment with combination of trimethoprim/sulphamethoxazole (TMP/ SMX; cotrimoxazole) and doxycycline for 3 months resulted in clinical cure.
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Affiliation(s)
- H M Al Abdely
- Department of Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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139
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Colmenero JD, Reguera JM, Martos F, Sánchez-De-Mora D, Delgado M, Causse M, Martín-Farfán A, Juárez C. Complications associated with Brucella melitensis infection: a study of 530 cases. Medicine (Baltimore) 1996; 75:195-211. [PMID: 8699960 DOI: 10.1097/00005792-199607000-00003] [Citation(s) in RCA: 333] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
We carried out a prospective study of 530 patients older than 14 years of age with brucellosis. We describe the incidence and clinical features of the focal forms of the disease, analyzing some of the possible factors associated with their appearance. One hundred sixty-nine patients (31.9%) had a focal form or complication. Osteoarticular complications were the most frequent, totaling 113 cases (66%), followed by genitourinary with 18 cases (5.1% of males), hepatic (2.5%), neurologic (1.7%), and heart (1.5%). Nine patients (1.7%) had more than 1 complication. In a multivariate analysis, diagnostic delay greater than 30 days (OR 2.0), ESR > 40 mm/hr (OR 1.9), and levels of alpha-2 globulin > 7.5 g/L (OR 6.8) were statistically significant independent variables associated with the presence of focal forms. Twenty-five patients with complications (14.8%) required surgical treatment. The relapse rate was 3.6% for those patients without complications and 4.1% for patients with focal forms (p > 0.05). However, when therapeutic failure, relapses, and mortality were considered together, the risk of an unfavorable evolution was significantly greater in patients with focal forms (10.6% versus 3.6% in patients without complications; OR 1.9, 95% CI 1.4-7.1, p < 0.005). Given the worse prognosis, knowledge and early diagnosis of the focal forms of B. melitensis infection is especially important.
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Affiliation(s)
- J D Colmenero
- Internal Medicine Department, Regional Hospital, Málaga, Spain
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140
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Wilson ML, Mirrett S. Recovery of Select Rare and Fastidious Microorganisms from Blood Cultures. Clin Lab Med 1994. [DOI: 10.1016/s0272-2712(18)30399-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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141
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Other Bacterial Infections. Neurocrit Care 1994. [DOI: 10.1007/978-3-642-87602-8_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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142
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Abstract
Brucellosis is a highly pleomorphic zoonotic infection caused by one of the following four species of gram-negative facultative intracellular coccobacilli: Brucella melitensis, B. abortus, B. suis, or B. canis. The disease is a worldwide public health problem and a significant cause of economic losses in domestic live-stock. Although largely eradicated in most industrialized countries, in the United States there has been an upsurge of B. melitensis cases associated with the ingestion of unpasteurized goat's milk or goat's milk cheese from Mexico. Brucellosis can be either insidious or abrupt in onset and can affect virtually every organ system; skeletal involvement (spondylitis, arthritis) is the most frequent metastatic complication. Cases are diagnosed either by isolation of the bacterium (usually from blood) or by serologic testing. Treatment of brucellosis requires the administration of two antimicrobial agents. Doxycycline plus streptomycin or rifampin or trimethoprim-sulfamethoxazole plus rifampin appear to be the most effective regimens.
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Affiliation(s)
- J D Radolf
- Division of Infectious Diseases, U.T. Southwestern Medical Center, Dallas, Texas 75235-9113
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