<s>[INST] Hi Doctor,I had my gallbladder removed in 2004. It had ruptured so I was in the hospitall 5 days following my surgery. I just received my blood test for GFR at 49 with Creatinine at 1.45. I ll be visiting my doctor soon.I don t have diabetes or high blood pressure. I don t smoke or drink and exercise daily for at lease 40 minutes on life cycle.Could there be a cause and effect based on my gallbladder removal?Thanks,Jon [/INST] HI, in cases of complicated surgical interventions(a ruptured gallbladder) we can have alterations of biochemical parameters before, during and after surgery. Acute renal failure is one of them but usually anesthetists tent to repair it before surgery. I'm not sure if this is your case, but you have to evaluate again at least once a week your creatinine value and if it would not turn to normal the nephrologist is worthy to see. </s>