Abstract
The answer to the question is yes. Phosphate treatment is necessary when hypophosphatemia is part of a true phosphate depletion syndrome (PDS). However, hypophosphatemia, even as low as 1.0–2.0 mg/dl in adults or 2.0–3.0 mg/dl in preadolescent children, does not necessarily mean or cause PDS. There are many examples in adult and child medicine of chronic hypophosphatemia caused by a high renal clearance of phosphorus (P) (low TmP/GFR) i.e. liberal amounts of P in the urine with low serum P. These do not develop a PDS unless there is superimposed a true lack of available P for the metabolic and growth needs of the patient. In the latter setting P excretion decreases markedly or disappears completely from the urine. This intense tubular reabsorption of P is an invariable feature of true phosphate depletion.
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© 1982 Plenum Press, New York
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Kleeman, C.R. (1982). Should Hypophosphatemia be Treated?. In: Massry, S.G., Letteri, J.M., Ritz, E. (eds) Regulation of Phosphate and Mineral Metabolism. Advances in Experimental Medicine and Biology, vol 151. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-4259-5_37
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DOI: https://doi.org/10.1007/978-1-4684-4259-5_37
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