Resumo
Definição
História e exame físico
Principais fatores diagnósticos
- presencia de factores de riesgo
- diarrea
Outros fatores diagnósticos
- dolor abdominal generalizado
- dolor abdominal del cuadrante superior derecho
- pérdida de peso
- tos
- fiebre
- alteración del estado mental o debilidad en las extremidades
- disnea
- dolor a la palpación abdominal con rigidez y rebote
- ictericia
- disminución de la entrada de aire en el pulmón derecho y matidez a la percusión
Fatores de risco
- exposición en zonas endémicas
- institucionalización (particularmente de personas con discapacidad intelectual)
- hombres que tienen relaciones sexuales con hombres
- contacto sexual oral-anal
- Infección por VIH, infección por sífilis pasada o actual
- sexo masculino
Investigações diagnósticas
Primeiras investigações a serem solicitadas
- análisis microscópico de las heces
- PCR o qPCR de las heces o de la pus del absceso hepático para la detección de ADN de Entamoeba histolytica
- detección de antígenos en las heces
- prueba de anticuerpos séricos
Investigações a serem consideradas
- colonoscopia
- ecografía hepática
- radiografía del tórax (RT)
- tomografía computarizada (TC) hepática/tórax/cabeza
- imagen por resonancia magnética (IRM) cerebral
Algoritmo de tratamento
amebiasis sintomática
amebiasis asintomática
Colaboradores
Autores
Koji Watanabe, MD, PhD
Attending physician
AIDS Clinical Center
National Center for Global Health and Medicine
Tokyo
Japan
利益声明
KW is the author or co-author of several references cited in this topic.
鸣谢
Dr Koji Watanabe would like to gratefully acknowledge Dr William A. Petri, a previous contributor to this topic. WAP is a consultant for TechLab, Inc. which manufactures diagnostic tests for amoebiasis and is also the author of a number of references cited in this topic.
同行评议者
Ran Nir-Paz, MD
Senior Lecturer in Microbiology and Medicine
Department of Clinical Microbiology and Infectious Diseases
Hadassah-Hebrew University Medical Center
Jerusalem
Israel
利益声明
RNP declares that he has no competing interests.
Christopher Huston, MD
Assistant Professor of Medicine
Division of Infectious Diseases
University of Vermont College of Medicine
Burlington
VT
利益声明
CH declares that he has no competing interests.
Debbie-Ann Shirley, MBBS, MPH
Clinical Associate Professor
Department of Pediatrics Division Chief
Pediatric Infectious Disease
University of Florida College of Medicine
利益声明
DAS is the co-author of one of the references cited in this topic.
Peer reviewer acknowledgements
BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.
Disclosures
Peer reviewer affiliations and disclosures pertain to the time of the review.
参考文献
关键文献
Shirley DT, Farr L, Watanabe K, et al. A review of the global burden, new diagnostics, and current therapeutics for amebiasis. Open Forum Infect Dis. 2018 Jul;5(7):ofy161.全文 摘要
Centers for Disease Control and Prevention. CDC Yellow Book 2026: health information for international travel. Section 5: travel-associated infections & diseases - post-travel diarrhea. Apr 2025 [internet publication].全文
Public Health England. Interim public health operational guidelines for amoebiasis (Entamoeba histolytica). Oct 2017 [internet publication].全文
Gonzales MLM, Dans LF, Sio-Aguilar J. Antiamoebic drugs for treating amoebic colitis. Cochrane Database Syst Rev. 2019 Jan 9;1:CD006085.全文 摘要
参考文献
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
鉴别诊断
- Diarrea infecciosa
- Colitis ulcerosa
- Absceso hepático piógeno
更多 鉴别诊断指南
- CDC Yellow Book 2026: health information for international travel. Post-travel diarrhea
- Interim public health operational guidelines for amoebiasis (Entamoeba histolytica)
更多 指南患者教育信息
Disentería amebiana: Prevención
Disentería amebiana
更多 患者教育信息
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