Rapid diagnostic tests for neurological infections in central Africa

Summary Infections are a leading cause of life-threatening neuropathology worldwide. In central African countries affected by endemic diseases such as human African trypanosomiasis, tuberculosis, HIV/AIDS, and schistosomiasis, delayed diagnosis and treatment often lead to avoidable death or severe s...

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Veröffentlicht in:The Lancet infectious diseases 2013-06, Vol.13 (6), p.546-558
Hauptverfasser: Yansouni, Cedric P, Dr, Bottieau, Emmanuel, Prof, Lutumba, Pascal, Prof, Winkler, Andrea S, MD, Lynen, Lut, Prof, Büscher, Philippe, Prof, Jacobs, Jan, Prof, Gillet, Philippe, PhD, Lejon, Veerle, PhD, Alirol, Emilie, PhD, Polman, Katja, PhD, Utzinger, Jürg, Prof, Miles, Michael A, Prof, Peeling, Rosanna W, Prof, Muyembe, Jean-Jacques, Prof, Chappuis, François, MD, Boelaert, Marleen, Prof
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container_end_page 558
container_issue 6
container_start_page 546
container_title The Lancet infectious diseases
container_volume 13
creator Yansouni, Cedric P, Dr
Bottieau, Emmanuel, Prof
Lutumba, Pascal, Prof
Winkler, Andrea S, MD
Lynen, Lut, Prof
Büscher, Philippe, Prof
Jacobs, Jan, Prof
Gillet, Philippe, PhD
Lejon, Veerle, PhD
Alirol, Emilie, PhD
Polman, Katja, PhD
Utzinger, Jürg, Prof
Miles, Michael A, Prof
Peeling, Rosanna W, Prof
Muyembe, Jean-Jacques, Prof
Chappuis, François, MD
Boelaert, Marleen, Prof
description Summary Infections are a leading cause of life-threatening neuropathology worldwide. In central African countries affected by endemic diseases such as human African trypanosomiasis, tuberculosis, HIV/AIDS, and schistosomiasis, delayed diagnosis and treatment often lead to avoidable death or severe sequelae. Confirmatory microbiological and parasitological tests are essential because clinical features of most neurological infections are not specific, brain imaging is seldom feasible, and treatment regimens are often prolonged or toxic. Recognition of this diagnostic bottleneck has yielded major investment in application of advances in biotechnology to clinical microbiology in the past decade. We review the neurological pathogens for which rapid diagnostic tests are most urgently needed in central Africa, detail the state of development of putative rapid diagnostic tests for each, and describe key technical and operational challenges to their development and implementation. Promising field-suitable rapid diagnostic tests exist for the diagnosis of human African trypanosomiasis and cryptococcal meningoencephalitis. For other infections—eg, syphilis and schistosomiasis—highly accurate field-validated rapid diagnostic tests are available, but their role in diagnosis of disease with neurological involvement is still unclear. For others—eg, tuberculosis—advances in research have not yet yielded validated tests for diagnosis of neurological disease.
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In central African countries affected by endemic diseases such as human African trypanosomiasis, tuberculosis, HIV/AIDS, and schistosomiasis, delayed diagnosis and treatment often lead to avoidable death or severe sequelae. Confirmatory microbiological and parasitological tests are essential because clinical features of most neurological infections are not specific, brain imaging is seldom feasible, and treatment regimens are often prolonged or toxic. Recognition of this diagnostic bottleneck has yielded major investment in application of advances in biotechnology to clinical microbiology in the past decade. We review the neurological pathogens for which rapid diagnostic tests are most urgently needed in central Africa, detail the state of development of putative rapid diagnostic tests for each, and describe key technical and operational challenges to their development and implementation. Promising field-suitable rapid diagnostic tests exist for the diagnosis of human African trypanosomiasis and cryptococcal meningoencephalitis. For other infections—eg, syphilis and schistosomiasis—highly accurate field-validated rapid diagnostic tests are available, but their role in diagnosis of disease with neurological involvement is still unclear. 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In central African countries affected by endemic diseases such as human African trypanosomiasis, tuberculosis, HIV/AIDS, and schistosomiasis, delayed diagnosis and treatment often lead to avoidable death or severe sequelae. Confirmatory microbiological and parasitological tests are essential because clinical features of most neurological infections are not specific, brain imaging is seldom feasible, and treatment regimens are often prolonged or toxic. Recognition of this diagnostic bottleneck has yielded major investment in application of advances in biotechnology to clinical microbiology in the past decade. We review the neurological pathogens for which rapid diagnostic tests are most urgently needed in central Africa, detail the state of development of putative rapid diagnostic tests for each, and describe key technical and operational challenges to their development and implementation. Promising field-suitable rapid diagnostic tests exist for the diagnosis of human African trypanosomiasis and cryptococcal meningoencephalitis. For other infections—eg, syphilis and schistosomiasis—highly accurate field-validated rapid diagnostic tests are available, but their role in diagnosis of disease with neurological involvement is still unclear. 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In central African countries affected by endemic diseases such as human African trypanosomiasis, tuberculosis, HIV/AIDS, and schistosomiasis, delayed diagnosis and treatment often lead to avoidable death or severe sequelae. Confirmatory microbiological and parasitological tests are essential because clinical features of most neurological infections are not specific, brain imaging is seldom feasible, and treatment regimens are often prolonged or toxic. Recognition of this diagnostic bottleneck has yielded major investment in application of advances in biotechnology to clinical microbiology in the past decade. We review the neurological pathogens for which rapid diagnostic tests are most urgently needed in central Africa, detail the state of development of putative rapid diagnostic tests for each, and describe key technical and operational challenges to their development and implementation. 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subjects Africa, Central
Biological and medical sciences
Biotechnology
Diagnostic Techniques, Neurological
Human mycoses
Human protozoal diseases
Humans
Infection - diagnosis
Infectious Disease
Infectious diseases
Medical sciences
Meningitis, Cryptococcal - diagnosis
Microbiology
Miscellaneous mycoses
Mycoses
Nervous System Diseases - diagnosis
Nervous System Diseases - microbiology
Nervous System Diseases - parasitology
Parasitic diseases
Preventable deaths
Protozoal diseases
Schistosomiasis
Sexually transmitted diseases
STD
Syphilis
Trypanosomiasis
Trypanosomiasis, African - diagnosis
Tuberculosis
Vector-borne diseases
title Rapid diagnostic tests for neurological infections in central Africa
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