Control and Surveillance of Human African Trypanosomiasis PDF Download
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Author:
Publisher: World Health Organization
ISBN: 9241209844
Category : Medical
Languages : en
Pages : 249
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Book Description
This report provides information about new diagnostic approaches, new therapeutic regimens and better understanding of the distribution of the disease with high-quality mapping. The roles of human and animal reservoirs and the tsetse fly vectors that transmit the parasites are emphasized. The new information has formed the basis for an integrated strategy with which it is hoped that elimination of HAT will be achieved. The report also contains recommendations on the approaches that will lead to elimination of the disease. Human African Tryponosomiasis (HAT) is a disease that afflicts populations in rural Africa, where the tsetse fly vector that transmits the causative trypanosome parasites thrives. There are two forms of HAT: one, known as gambiense HAT, is endemic in West and Central Africa and causes over 95% of current cases; the other, known as rhodesiense HAT, is endemic in East and southern Africa and accounts for the remainder of cases. The presence of parasites in the brain leads to progressive neurological breakdown. Changes to sleep-wake patterns are among the symptoms that characterize the disease, also known as "sleeping sickness". Eventually, patients fall into a coma and die if not treated. Different treatments are available against parasites present in the haemolymphatic system (first stage) and those that have entered the brain (second stage). Currently, lumbar puncture is required to select the appropriate drug.
Author:
Publisher: World Health Organization
ISBN: 9241209844
Category : Medical
Languages : en
Pages : 249
Get Book Here
Book Description
This report provides information about new diagnostic approaches, new therapeutic regimens and better understanding of the distribution of the disease with high-quality mapping. The roles of human and animal reservoirs and the tsetse fly vectors that transmit the parasites are emphasized. The new information has formed the basis for an integrated strategy with which it is hoped that elimination of HAT will be achieved. The report also contains recommendations on the approaches that will lead to elimination of the disease. Human African Tryponosomiasis (HAT) is a disease that afflicts populations in rural Africa, where the tsetse fly vector that transmits the causative trypanosome parasites thrives. There are two forms of HAT: one, known as gambiense HAT, is endemic in West and Central Africa and causes over 95% of current cases; the other, known as rhodesiense HAT, is endemic in East and southern Africa and accounts for the remainder of cases. The presence of parasites in the brain leads to progressive neurological breakdown. Changes to sleep-wake patterns are among the symptoms that characterize the disease, also known as "sleeping sickness". Eventually, patients fall into a coma and die if not treated. Different treatments are available against parasites present in the haemolymphatic system (first stage) and those that have entered the brain (second stage). Currently, lumbar puncture is required to select the appropriate drug.
Author: WHO Expert Committee on the Epidemiology and Control of African Trypanosomiasis
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 132
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Book Description
Author: Ian Maudlin
Publisher: CABI
ISBN: 9780851990347
Category : Medical
Languages : en
Pages : 644
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Book Description
This state-of-the-art reference book includes comprehensive coverage of the biology and control of African, Asian and South American trypanosomiasis ("sleeping sickness") in man and animals. It describes recent research developments in the biology and molecular biology of trypanosomes (the protozoan parasite) and their vectors, and methods in diagnosis and control, such as trapping tsetse fly vectors. Different sections of the book are devoted to biology of trypanosomes, vector biology, epidemiology and diagnosis, pathogenesis, disease impact, chemotherapy and disease control, and vector control. The book contains contributions from leading experts from Europe, North and South America, and Africa.
Author: Gerald T. Hughes
Publisher: Nova Science Publishers
ISBN: 9781634847124
Category : African trypanosomiasis
Languages : en
Pages : 0
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Book Description
Human African trypanosomiasis or sleeping sickness is caused by infection with the morphologically indistinguishable subspecies Trypanosoma brucei rhodesiense (in East and Southern Africa) and Trypanosoma brucei gambiense (in West and Central Africa). The disease is presently almost under control and less than 4000 cases are currently reported. In both, T. b. rhodesiense and T. b. gambiense infection, after the injection of infective metacyclic trypanosomes with tsetse fly vector saliva, the parasites establish in the skin, differentiate to the bloodstream stage and spread via the local draining lymph node into the vascular system. In this book, Chapter One presents an overview of the current epidemiology, clinical features, diagnosis and treatment options. Chapter Two provides an in-depth review of diagnostic methods for African trypanosomiasis. Chapter Three discusses the use of aminoadamantane derivatives against Trypanosoma brucei.
Author: World Health Organization
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Human African trypanosomiasis (HAT), or sleeping sickness, is a parasitic infection that is almost invariably fatal unless treated. It is a neglected tropical disease that occurs in sub-Saharan Africa. The incidence of the disease is declining in response to intensive surveillance and control in endemic areas. As a result, HAT is among the neglected tropical diseases targeted by the World Health Organization (WHO) for elimination. WHO maintains exhaustive records of all declared cases; in 2018, a historically low number of cases (less than 1000) was reported. The remarkable progress in the control of gambiense HAT has relied on case-finding and curative treatment, a strategy that interrupts transmission by depleting the reservoir of parasites in humans. This has been combined occasionally with vector control activities. The subject of these guidelines, therefore, is of utmost importance for the continuation of progress to eliminate HAT. The recent approval of a new medicine (fexinidazole) for the treatment of gambiense HAT has opened new possibilities for the management of cases and thus warrants the new WHO recommendations contained herein. While studies of fexinidazole and other therapies are ongoing, these guidelines are considered interim guidelines until new information becomes available. This document focuses on the management of patients affected by gambiense HAT and constitutes an update to the WHO therapeutic guidance issued in 2013.
Author: Orenge, Caleb Oburu
Publisher: IGI Global
ISBN: 1799864359
Category : Science
Languages : en
Pages : 440
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Book Description
African animal trypanosomosis (AAT), also called nagana, is a trans-boundary disease that has had an immense impact on cattle and is ranked among the top global cattle diseases. This and tick-borne diseases have caused major obstacles to sustainable livestock-based agricultural production and food security and are important factors in underdevelopment. Due to decreasing efficacy of available drugs, widespread trypanosome resistance, and the difficulty of sustaining other control measures, there is a need for alternative sustainable strategies to reduce the impact these diseases have on livestock. Combating and Controlling Nagana and Tick-Borne Diseases in Livestock provides the latest empirical research findings on the effects of African animal trypanosomiasis (nagana) and tick-borne disease infection in livestock, their impact on farmer livelihoods, and the measures that can be undertaken to mitigate negative effects and reduce the number of infections. While highlighting topic areas such as disease history and transmission, treatments, and the economic impacts, this book is essential for farmers, animal health and animal production professionals and practitioners, non-government organizations, researchers, academicians, and students working in fields that include but are not limited to agriculture, livestock production, environmental science, veterinary medicine, veterinary pathology, and epidemiology.
Author: Michel Dumas
Publisher: Springer Science & Business Media
ISBN: 2817808576
Category : Medical
Languages : en
Pages : 347
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Book Description
Human African Trypaniosomiasis (HAT) or sleeping sickness is an old disease to be now considered as reemergent. HAT is endemic in 36 sub-Saharan African countries, in areas where tsetse flies are found. The public health importance of HAT is underestimated, but the disease causes severe social disruption in many rural areas. Along the past fifteen years, numerous studies were made, and now, the mechanisms involved in the disease pathogenesis and in the characteristics of sleep-wake disruption become to be better understood. But, since 50 years, when current drugs were introduced, problems regarding HAT chemotherapy have not been solved. Nevertheless, in-depth studies about trypanosome metabolism have permitted to discover new drug targets. Written by specialists who are very experienced in their respective fields, the contributions provide an indispensable tool for practitioners and scientists.
Author: Stefan Magez
Publisher: Springer
ISBN: 9783709148433
Category : Medical
Languages : en
Pages : 0
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Book Description
This new volume written by experts in the field of trypanosome research covers every aspect of trypanosome-vector-host biology. It is a must read for basic researchers working with trypanosomes and related organisms, infection and drug development as well as parasitology in a broader sense.
Author: Christian Burri
Publisher: MDPI
ISBN: 3039289632
Category : Medical
Languages : en
Pages : 280
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Book Description
As it is a goal to eliminate human African trypanosomiasis (HAT; sleeping sickness) as a public health problem by 2020 and interrupt transmission by 2030, this is a good moment to reflect on what we have achieved, what we want to achieve, and what could get in our way. HAT has a reputation for spectacular reappearances, and the latest peak of 40,000 reported and over 300,000 estimated cases only dates back to 1998. Efforts of the WHO and partners as well as the development of simpler and much better-tolerated treatments, improved diagnostics, and vector control tools made it possible to reduce this number by 95%. Case identification and confirmation remain complex and require specific skills, treatment remains error-prone and reports on long-term survivors have emerged, and the relevance of the animal reservoir for T. b. gambiense HAT needs clarification. In addition, to win the “end game” against this massively stigmatized disease, the human factor will play a key role. This Special Issue addresses many of the burning topics about disease elimination in its 12 research and 7 review articles and one case study. The papers critically reflect the approaches used, investigate the mentioned challenges, and propose novel approaches and interventions from various points of view.
Author: Donald Kruel
Publisher: Infobase Publishing
ISBN: 1438101740
Category : Medical
Languages : en
Pages : 135
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Book Description
Describes the two main types of trypanosomiasis, how and where it is spread, as well as its treatment.
