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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ABSTRACT |
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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