Specific for | Measurable | Acceptable?1 | Realistic/time-related?2 |
---|---|---|---|
GFR | PAH | No | No |
Creatinine | Yes | Yes | |
Creatinine clearance | 2-hour: yes | Yes | |
24-hour: yes | No | ||
BUN | Yes | Yes | |
Inulin clearance | Yes | No | |
Iohexol/iopromide | Yes | Yes | |
Iothalmate | Yes | Yes | |
I131-MAG | Yes | No | |
Cr52-EDTA | Yes | No | |
Renal blood flow | Angiography | Yes | No |
Indicator dilution (thermal or PAH) | Yes | No | |
BOLD MRI | Yes | No | |
Ultrasound | Yes | Yes | |
Tubular function | Urine output | Yes | Yes |
Input-output balance | Yes | Yes | |
Urinalysis | Yes | Yes | |
FeNa | Yes | Yes | |
Osmolality | Yes | Yes | |
Creatinine (U/P) | Yes | Yes | |
Tubular proteins | No | No |