Document Detail

Infantile hypertrophic pyloric stenosis: evaluation of sonographic criteria.
MedLine Citation:
PMID:  2700584     Owner:  NLM     Status:  MEDLINE    
Sonography has become an important diagnostic adjunct in the evaluation of vomiting infants who are suspected to have infantile hypertrophic pyloric stenosis (IHPS). Two commonly used sonographic criteria, viz. pyloric diameter (D) and pyloric muscle wall thickness (T) were evaluated in 14 consecutive vomiting infants. The D and T were significantly larger in the IHPS group compared to the non IHPS group (1.40 +/- 0.34 cm vs 0.95 +/- 0.19 cm, p = 0.04; 4.4 +/- 1.1 mm vs 2.5 +/- 0.6 mm, p less than 0.01). By a combination of sonographic criteria (D greater than or equal to 1.2 cm & T greater than or equal to 3 mm), all the 4 non IHPS patients and 9 out of 10 IHPS patients were correctly diagnosed. The positive and negative predictive values were 1.00 and 0.80, respectively. However, using reported diagnostic criteria of D greater than or equal to 1.5 cm or T greater than or equal to 4 mm would have missed 60% and 20% of the IHPS cases, respectively. With proper choice of diagnostic criteria, sonography is a useful diagnostic tool in the evaluation of vomiting infants for IHPS patients.
W C Yip; M L Wong; J S Tay; K Prabhakaran; H B Wong
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Singapore Paediatric Society     Volume:  31     ISSN:  0037-5683     ISO Abbreviation:  J Singapore Paediatr Soc     Publication Date:  1989  
Date Detail:
Created Date:  1990-08-06     Completed Date:  1990-08-06     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7507223     Medline TA:  J Singapore Paediatr Soc     Country:  SINGAPORE    
Other Details:
Languages:  eng     Pagination:  111-5     Citation Subset:  IM    
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MeSH Terms
Infant, Newborn
Pyloric Stenosis / diagnosis*
Pylorus / anatomy & histology
Ultrasonography / methods*
Vomiting / diagnosis

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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