Renal disorderimpairs glomerularfiltration thatresulted to fluidoverload. With fluidvolume excess,hydrostatic pressureis higher than theusual pushing excessfluids into theinterstitial spaces.Since fluids are notreabsorbed at thevenous end, fluidvolume overloads thelymph system andstays in theinterstitial spacesleading the patient tohave edema, weightgain, pulmonarycongestion and HPNat the same time dueto decrease GFR,nephronhyperthrophizedleading to decreaseability of the kidneyto concentrate urineand impairedexcretion of fluidthus leading to