characteristics of prolonged survivors were persistent reduction of serum creatinine below the predialysis concentration , tubulointerstitial diseases , i.e . polycystic kidneys , pyelonephritis or obstructive nephropathy , potentially reversibel complications such as urinary tract infection or extracellular volume depletion , and high urine volume , and low blood pressure .
C0027707
tubulointerstitial diseases
C0034186
pyelonephritis