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Journal of the Korean Society of Pediatric Nephrology 1998;2(2): 178-182.
소아 Whitaker 검사시에 적절한 관류속도는?
정기현, 이경익
1경상대학교 의과대학 비뇨기과학교실
2경상대학교 의과대학 비뇨기과학교실
What is the Appropriate Infusion Rate during Whitaker Test in Children?
Ky-Hyun Chung, Gyeong-Ik Lee
1Department of Urology, Gyeongsang National University, College of Medicine
2Department of Urology, Gyeongsang National University, College of Medicine
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Purpose : The conventional Whitaker test assesses the renal pelvic pressure response to a constant infusion rate of 10 mL/min in adult and 5 mL/min in children. We evaluated whether the infusion rate,5 mL/min is appropriate during Whitaker test in children.
Materials and Methods : The study included 3 children with unilateral hydronephrosis, whose diuretic renography results were equivocal to define the presence of urinary obstruction. The kidneys were perfused at increasing flow rates from lmL/min.
Results : There were intrapelvic pressure increases $26;cmH_2O$ at 3 mL/min, $50;cmH_2O$ at 2 mL/min and $80;cmH_2O$ at 3 mL/min infusion rate, respectively. There was no need to increase the infusion rate over 4 mL/min to get a positive Whitaker test.
Conclusion : Our experience with Whitaker test at variable low flow rates (1-5 mL/min) confirmed its usefulness in differentiating obstructive from nonobstructive uropathy. We recommend the increasing infusion rate from 1 mL/min during Whitaker test in children.
Key words: Whitaker test | Infusion rate
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