The estimation of calcium-47 in faeces

Bullamore, J.R.

doi:10.1016/0020-708x(70)90123-7

Cited by 1 publication

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“…the theoretical calcium threshold which we term Cao, assuming a plasma/urine slope of 3.0 as follows: Cao = Cap -3 Can [Nordin et at., 1972], The normal range of Cao is about 9-10 mg/100 ml. Radiocalcium absorption was measured in the fasting state by the method of Bullamore et al [1970] using 20 mg of calcium carrier as calcium chloride in 250 ml of water. Bone turnover was measured by the method of Bullamore et al [1971], The metacarpal cortical area/total area ratio (CA/TA) was calculated from caliper measure ments on the first metacarpal on a standard hand X-ray as described by N ordin and Smith [1965].…”

Section: Clinical Materials and Methodsmentioning

confidence: 99%

Hypocalcaemia and Bone Disease in Renal Failure

Cochran¹,

Bulusu²,

Horsman³

et al. 1973

Nephron

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Various aspects of calcium and bone metabolism were studied in 50 cases of chronic renal failure. It was found that elevation of plasma alkaline phosphatase was generally associated with reduced metacarpal cortical thickness and in a small number of biopsies reflected the osteomalacic rather than the resorptive component of renal bone disease. Patients with an elevated plasma alkaline phosphatase tended to have a lower plasma calcium, lower plasma bicarbonate and lower radiocalcium absorption than patients with a normal alkaline phosphatase. Hypocalcaemia was frequently associated with, and attributed by the authors to reduced tubular reabsorption of calcium, which in turn appeared to be related to the degree of metabolic acidosis. The authors conclude that metabolic acidosis predisposes to hypocalcaemia and, therefore, to renal osteomalacia.

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Section: Clinical Materials and Methodsmentioning

confidence: 99%