Proteinuria

원인

transient proteinuria (2ndary to fever or heavy exercise), orthostatic proteinuria, CHF/renovascular HTN, glomerular disorder (DM), tubulointerstitial disease

검사

urine dipstick+proteinuria → quantify 24hr excretion, or spot morning protein/Cr ratio (mg/g)

(1) 30-300mg/d or 30-350mg/g (microalbuminuria): Early HTN, DM GN

(2) 300-3,500mg/d or 300-3,500mg/g: HTN, DM, GN, intermittent proteinuria, postural proteinuria, CHF, fever, exercise

(3) >3,500mg/d or 3,500mg/g: Nephrotic syndrome (diabetes, amyloidosis, minimal change disease, FSGS, MG, MPGN)