Summary
Definition
History and exam
Key diagnostic factors
- presença de fatores de risco
Other diagnostic factors
- assintomático
- coinfecção com outros parasitas
- atraso do desenvolvimento
- desnutrição
- febre
- tosse
- sibilância
- dispneia
- hemoptise
- hipóxia
- taquipneia
- roncos, estertores
- retrações
- urticárias
- dor abdominal
- anorexia
- dispepsia
- náuseas
- vômitos
- diarreia
- constipação
- distensão abdominal
- redução ou ausência de ruídos hidroaéreos
- hipotensão
- sensibilidade no quadrante superior direito
- hepatomegalia
- icterícia
- sinais/sintomas de anemia ferropriva ou kwashiorkor
Risk factors
- história de viagem ou residência em áreas endêmicas
- crianças <14 anos
- pobreza
- saneamento precário
- higiene precária
- clima quente
- contato com porcos
Diagnostic investigations
1st investigations to order
- microscopia das fezes
- radiografia torácica
- radiografia abdominal
Investigations to consider
- microscopia de expectoração/aspirado gástrico
- Hemograma completo
- estudo de contraste
- exame contrastado com bário
- ultrassonografia abdominal
- tomografia computadorizada (TC) abdominal
- colangiopancreatografia retrógrada endoscópica (CPRE)
Emerging tests
- anticorpos contra o Ascaris lumbricoides
- imunoglobulina E (IgE) sérica
- interleucina (IL)-4, IL-5 e IL-13
- cromatografia líquido-gasosa na urina
Treatment algorithm
assintomático
pneumonite
sintomas gastrointestinais
Contributors
Authors
Michael Cappello, MD
Professor of Pediatrics, Microbial Pathogenesis, and Public Health
Yale School of Medicine
New Haven
CT
Disclosures
MC declares that he has no competing interests.
Acknowledgements
Dr Michael Cappello would like to gratefully acknowledge Dr Samantha H. Johnston and Dr Claire Panosian, previous contributors to this topic.
Disclosures
SHJ owns a share in a company (Merck & Co., Inc.) that produces ivermectin, an alternative therapy for ascariasis. CP declares that she has no competing interests.
Peer reviewers
Yann Meunier, MD
Director
Stanford Health Promotion Network
Stanford School of Medicine
Palo Alto
CA
Disclosures
YM declares that he has no competing interests.
Mohammad Bagher Rokni, PhD
Associate Professor
Department of Medical Parasitology and Mycology
School of Public Health
Tehran University of Medical Sciences
Iran
Disclosures
MBR declares that he has no competing interests.
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.
References
Key articles
World Health Organization. Soil-transmitted helminthiasis. Jan 2023 [internet publication].Full text
Centers for Disease Control and Prevention. Parasites - ascariasis: resources for health professionals. May 2020 [internet publication].Full text
World Health Organization. Preventive chemotherapy to control soil-transmitted helminth infections in at-risk population groups. September 2017 [internet publication].Full text
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Asma
- Gastroenterite viral
- Amebíase
More DifferentialsGuidelines
- CDC Yellow Book: health information for international travel - helminths, soil-transmitted
- Preventive chemotherapy to control soil-transmitted helminth infections in at-risk population groups
More Guidelines
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