Clinical Significance of Uptake Difference on DMSA Scintigraphy in Pediatric Urinary Tract InfectionClinical Significance of Uptake Difference on DMSA Scintigraphy in Pediatric Urinary Tract Infection
- Other Titles
- Clinical Significance of Uptake Difference on DMSA Scintigraphy in Pediatric Urinary Tract Infection
- Authors
- 김병관; 최원지; 임형은; 유기환
- Issue Date
- 2016
- Publisher
- 대한소아신장학회
- Keywords
- Small kidney; Acute pyelonephritis; Vesico-ureteral reflux; Plasma NGAL; DMSA scintigraphy
- Citation
- Childhood Kidney Diseases, v.20, no.2, pp.63 - 68
- Indexed
- KCI
- Journal Title
- Childhood Kidney Diseases
- Volume
- 20
- Number
- 2
- Start Page
- 63
- End Page
- 68
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/90604
- ISSN
- 2384-0242
- Abstract
- Purpose: Disruption of normal renal development can lead to congenital ano malies of the kidney and urinary tract, including renal hypodysplasia. We aimed to clarify whether small kidney size affects clinical manifestations in children with urinary tract infection (UTI).
Methods: One hundred fifty-four patients who had their first symptomatic UTI between January 2014 and June 2015 were enrolled in this study. Differences in kidney size were estimated based on percent uptake of 99m Tc-dimercaptosuccinic acid (DMSA) in scintigraphy. The patients who showed more than 10% difference in kidney size on DMSA scintigraphy with none or minimal cortical defects were included in group A. (group A, n=17). Laboratory, clinical, and imaging results were compared with those of the other patients (group B, n=137).
Results: Group A had a relatively higher incidence of vesicoureteral reflux than group B (44% vs 20%, P<0.05). The levels of plasma neutrophil gelatinase-associ ated lipocalin (NGAL) and serum C-reactive protein were significantly higher in group A (193 [64-337] vs 91 [59-211] ng/mL and 4.1 [0.5-11.9] vs 2.1 [0.7-5.3] ng/ mL, respectively; all P<0.05). Linear regression analysis revealed that plasma NGAL level strongly correlated with the difference in renal uptake in DMSA scinti graphy in group A (R 2 =0.505).
Conclusion: The difference in kidney size could influence the clinical course and severity of pediatric UTI.
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