Relationship of posture and age to urinary protein excretion.


The influence of posture and age on urinary protein excretion was studied in 120 normal men volunteers. The supine excretion rate was less than 140 mug/min in all but two people (median value 38 mug/min) and tended to increase with age. The excretion rate decreased on quiet standing in 80% of people, which corresponded to a fall in creatinine-clearance. In the remaining 20% protein excretion increased on standing but generally remained within normal limits and was dissociated from changes in creatinine clearances. This increase was more prevalent in younger people and may represent a phenomenon analogous to orthostatic proteinuria, differing only quantitatively.


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@article{Mahurkar1975RelationshipOP, title={Relationship of posture and age to urinary protein excretion.}, author={Swapna Mahurkar and George Dunea and Vashini Pillay and Hagai Levine and V. C. Sathish Gandhi}, journal={British medical journal}, year={1975}, volume={1 5960}, pages={712-4} }