Document Detail

Is screening ultrasound of the urinary tract indicated in infants with hypertrophic pyloric stenosis?
MedLine Citation:
PMID:  15858955     Owner:  NLM     Status:  MEDLINE    
AIM: Few retrospective studies have evaluated infants with hypertrophic pyloric stenosis (HPS) for associated urological anomalies. They have led to contradictory conclusions. The aim of this study was to evaluate the incidence of urinary tract anomalies in infants with HPS and to establish the clinical significance of this association. METHODS: One hundred and twenty-two infants (100 boys) who underwent pyloromyotomy between 1992 and 2002 were prospectively evaluated. Screening ultrasound (Us) of the urinary tract was performed in 107 infants, while 15 did not attend their ultrasound appointment. RESULTS: Renal ultrasound was abnormal in 4 (4%) of 107 screened patients with HPS. Three patients were found to have mild hydronephrosis and, in one patient, a small, normal kidney was detected. Two patients with hydronephrosis had Us follow-up and the third patient underwent Tc-99 mercaptoacetyl triglycine (MAG 3) scan. In all three patients, the hydronephrosis resolved completely on follow-up scan. CONCLUSION: The incidence of abnormal renal ultrasound in children with HPS is similar to the reported incidence of 3-6% determined with routine ultrasound screening of healthy newborns. The abnormalities detected were not clinically relevant and did not require surgical intervention. We do not recommend screening of the urinary tract in infants with HPS.
S Cascio; M M F Siddiqui; A M Barrett
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  94     ISSN:  0803-5253     ISO Abbreviation:  Acta Paediatr.     Publication Date:  2005 Jan 
Date Detail:
Created Date:  2005-04-29     Completed Date:  2005-06-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  23-5     Citation Subset:  IM    
Department of Paediatric Surgery, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
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MeSH Terms
Follow-Up Studies
Hydronephrosis / etiology,  ultrasonography
Infant, Newborn
Neonatal Screening
Prospective Studies
Pyloric Stenosis, Hypertrophic / complications,  ultrasonography*
Radiopharmaceuticals / diagnostic use
Technetium Tc 99m Mertiatide / diagnostic use
Urinary Tract / abnormalities*,  ultrasonography*
Reg. No./Substance:
0/Radiopharmaceuticals; 125224-05-7/Technetium Tc 99m Mertiatide

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