Document Detail

Screening ultrasound in follow-up after pediatric pyeloplasty.
MedLine Citation:
PMID:  20223509     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To investigate whether an initial ultrasound (US) adequately identifies those patients who need further investigation and possibly intervention while decreasing instrumentation and radiation exposure. The recommended imaging after pediatric pyeloplasty has included intravenous pyelography, radionucleotide renography, and ultrasound US. METHODS: We retrospectively reviewed pediatric open pyeloplasty cases performed between 1999 and 2007. Of 116 patients reviewed, 49 met the inclusion criteria of unilateral pyeloplasty with pre- and postoperative US and mercaptoacetyltriglycine (MAG-3). Hydronephrosis was judged by anterior posterior pelvic diameter and caliectasis. Change in renal function on MAG-3 was defined as increase or decrease in function >5%. RESULTS: Of 49 patients, 42 (85.7%) showed improved or stable hydronephrosis postoperatively and 7 (14.3%) showed increased hydronephrosis. Forty-six (93.8%) patients had either improved or stable renal function. Of 42 patients with stable or improved hydronephrosis, 41 (97.6%) also had stable or improved function. Comparatively, of 7 patients with increasing hydronephrosis, 2 (28.6%) showed deteriorated renal function, P = .05. CONCLUSIONS: Postpediatric pyeloplasty imaging should aim to identify those who require further intervention. Our data demonstrate that at-risk patients can be identified with a sentinel US and selectively determine who needs further MAG-3 investigation. This should increase compliance while decreasing costs, instrumentation, and radiation exposure.
Nicholas G Cost; Juan C Prieto; Duncan T Wilcox
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Publication Detail:
Type:  Journal Article     Date:  2010-03-12
Journal Detail:
Title:  Urology     Volume:  76     ISSN:  1527-9995     ISO Abbreviation:  Urology     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-05     Completed Date:  2010-08-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0366151     Medline TA:  Urology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  175-9     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier Inc. All rights reserved.
Department of Urology, University of Texas, Southwestern Medical Center and Children's Medical Center, Dallas, Texas, USA.
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MeSH Terms
Child, Preschool
Follow-Up Studies
Hydronephrosis / surgery*
Kidney / ultrasonography*
Kidney Pelvis / surgery*
Retrospective Studies
Comment In:
Urology. 2010 Jul;76(1):179-80; author reply 180   [PMID:  20599114 ]

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