Nephrocalcinosis
- Risk factors: prematurity, lasix exposure, nephrotoxins (antibiotics), calcium intake), vitamin D intake, fat malabsorption in colon (oxate stones), high vitamin D intake, family history of kidney stones
- Diagnostic work-up: PTH, I cal, vitamin 1,25-OH D, urinalysis (blood, pH, specific gravity), urine calcium/creatinine, urine magnesium, urine sodium, urine citrate (goal >300)
- Urine calcium/creatinine normal:
o 2
o 0.6-0.8 for age
- Check renal ultrasound every 6-12 months
- Blood pressure checked annually
- Lithotest
- Treatments: increase PN acetate, thiazide, citrus juices
-
Renal consult