I would be grateful for any advice regarding the use of urine samples in
the diagnosis of this condition. We check up on the serum calcium of family
members in addition to checking the urine calcium of the patient.
Should a 24hr urine collection be used for this in the patient or is a
random urine OK for use in the calculations (should the patient fast /
second void?)
I check using two calculations
Ann Clin Biochem 1992;29:52-58
Ca[E] = Urine Ca x Serum creatinine / Urine creatinine(in mmol/l)
and
Ann Int Med 1980;92:351-356
Ca: Creatinine Clearance = Urine Ca x Serum creatinine / Urine creatinine x
Serum calcium
How do others approach this in the patients who need to be checked for FHH
prior to any parathyroid surgery?
Many thanks
Rob
Dr Robert Lord
Department of Clinical Biochemistry
Rotherham District General Hospital
Moorgate Road
Oakwood
Rotherham
S60 2UD
Tel 01709 820000
E mail [log in to unmask]
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