Summary
Definition
History and exam
Key diagnostic factors
- menino primogênito
- vômitos não biliosos em jato
- 2 a 12 semanas de idade
- massa abdominal superior
- ondas peristálticas
Other diagnostic factors
- história familiar de estenose pilórica
- várias alterações de fórmula
- taquicardia
- menor número de fraldas molhadas
- membranas mucosas ressecadas
- fontanelas planas ou deprimidas
- constipação
- baixo ganho de peso
- irritabilidade
Risk factors
- prematuridade
- exposição precoce à eritromicina
- exposição a prostaglandinas
- exposição materna a macrolídeos
- localização geográfica/origem étnica
- menino primogênito
- história familiar de estenose pilórica
Diagnostic investigations
1st investigations to order
- perfil bioquímico
- ultrassonografia do abdome
Treatment algorithm
todos os pacientes
Contributors
Authors
Catherine J. Hunter, MD
Professor of Surgery and Division Chief of Pediatric Surgery
Oklahoma Children’s Hospital
The University of Oklahoma College of Medicine
Oklahoma City
OK
Disclosures
CJH declares that she has no competing interests.
Acknowledgements
Dr Catherine Hunter would like to gratefully acknowledge Dr Samuel C. Klonoski, Dr Jeffrey S. Upperman, Dr Yigit S. Guner, and Dr Arturo Aranda, previous contributors to this topic. SCK, JSU, YSG, and AA declare that they have no competing interests.
Peer reviewers
Evan Nadler, MD
Assistant Professor of Surgery
Department of Surgery
Division of Pediatric Surgery
NYU Medical Center
New York
NY
Disclosures
EN declares that he has no competing interests.
Lewis Spitz, PhD FRCS MD (Hon), FRCPCH FAAP (Hon), FCS (SA) (Hon)
Emeritus Nuffield Professor of Paediatric Surgery
Institute of Child Health
University College
London
UK
Disclosures
LS declares that he has no competing interests.
Ruth Hallows, BSc, MB BS, FRCS, FRCS III (Paediatric Surgery)
Consultant in Paediatric and Neonatal Surgery
Royal Alexandra Children's Hospital
Brighton
UK
Disclosures
RH declares that she 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
Aspelund G, Langer JC. Current management of hypertrophic pyloric stenosis. Semin Pediatr Surg. 2007 Feb;16(1):27-33. Abstract
Expert Panel on Pediatric Imaging., Alazraki AL, Rigsby CK, et al. ACR Appropriateness Criteria® Vomiting in infants. J Am Coll Radiol. 2020 Nov;17(11s):S505-S515.Full text Abstract
Staerkle RF, Lunger F, Fink L, et al. Open versus laparoscopic pyloromyotomy for pyloric stenosis. Cochrane Database Syst Rev. 2021 Mar 9;3:CD012827.Full text Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Refluxo gastroesofágico
- Superalimentação
- Má rotação
More DifferentialsGuidelines
- ACR appropriateness criteria: vomiting in infants
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