| Six months later, his serum creatinine level began to rise, and a kidney biopsy showed chronic rejection and recurrence of lupus nephritis. |
| Within a week, his blood urea and creatinine, the two parameters that reflected the kidney functioning were found to be abnormal. |
| Because creatine is excreted as creatinine by the kidneys, it is prudent to take it with plenty of water. |
| Both creatinine and cystatin-C are proteins found in the blood and filtered through the kidneys. |
| In some patients with cardiac toxicity, rise in liver enzymes and serum creatinine also occurred. |
| An alternative method is measurement of the ratio of protein or albumin to creatinine in an untimed urine specimen. |
