Kidney and urinary tract disorders

Question 1

What is normal GFR?

Answer 1

15-20ml/min per 1.73 m2

Question 2

What is the corrected GFR of a 1-2 year old ?

Answer 2

80-120 ml/min per 1.73 m2

Question 3

Obstruction to urine flow occurs at:

Answer 3

vesicouretral junctionpelvi uretric junction bladder neck or posterior urethral valve. this may lead to potter syndrome or dysplastic kidney

Question 4

Management for infants with antenatally diagnosed urinary tract anomallies

Answer 4

Prophylactic Abx, usg in 48 hrs if dilated urinary tract in male or bilateral hydronephrosis. 4-6 weeks in unilateral dilation and any anomaly in female

Question 5

Management of bilateral hydronephros

Answer 5

micturating cystourethrogram, to exclude psoterior urethral valves requiring cystoscopic ablation.