The 24-hour urine protein quantification of 1.9g suggests proteinuria, which can be divided into physiologic and pathologic, physiologic is usually not very serious; pathologic is more serious, need to clarify the cause and timely treatment.
Under normal circumstances, the molecular weight of 40,000 or less plasma protein can freely pass through the glomerular filtration membrane, most of which is reabsorbed by the renal tubules, so there is only a small amount of protein in the urine of normal people. When the urine protein content >150mg/24h or urine protein concentration >100mg/L, the routine chemical characterization test is positive, called proteinuria.
A 24-hour urine protein quantification of 1.9g suggests proteinuria, which is divided into physiologic and pathologic. Physiological include strenuous exercise, high temperature environment, fever, cold environment, mental stress, etc., this kind of situation is generally not very serious, after removing the relevant factors will usually return to normal.
Pathological cases include diabetic nephropathy, IgA nephropathy, membranous nephropathy, etc., which are more serious and require further improvement of urine routine, renal ultrasound, and renal puncture biopsy if necessary, in order to make a clear diagnosis and guide the treatment.
Patients with 24-hour urine protein quantification of 1.9g should consult a doctor in time to clarify the cause under the guidance of a professional physician for timely treatment.