Urine routine protein has a plus sign, but the 24-hour quantification is normal, may be a transient proteinuria, can be regularly reviewed 24-hour urine protein quantification. In addition to this, renal vein ultrasound should be performed to detect Nutcracker syndrome.
Proteinuria is defined as positive qualitative urine protein test or quantitative urine protein test >100mg/L or >150mg/24h. Proteinuria can be categorized into physiological and pathological proteinuria.
1. Physiological proteinuria, such as when strenuous exercise, mental stress, cold conditions, urine routine test, urine protein may appear positive, generally urine protein degree is mild, transient, after lifting the trigger can return to normal. You can review the urine protein regularly.
2. Pathological proteinuria, such as glomerulonephritis, nephrotic syndrome, pyelonephritis, interstitial nephritis, multiple myeloma, and cystitis and other causes of proteinuria, most of them are persistent proteinuria.
Urine routine protein has a plus sign, but the 24-hour quantitative normal patients, need to regular hospitals, further improve the renal function, renal ultrasound, if necessary, renal puncture and other tests to further clarify the diagnosis, so as not to delay the condition.