Albumine-gecorrigeerd calcium
Blaas- en niergezondheidHoudt rekening met calcium dat gebonden is aan albumine, wat een nauwkeurigere meting geeft van biologisch actief calcium.
Nodig voor botgezondheid, zenuwgeleiding en spiercontractie.
Waarom dit belangrijk is
Abnormal albumin-corrected calcium can signal early calcium imbalances due to kidney dysfunction, parathyroid disorders, or malnutrition. Early signs may include muscle cramps, tingling, or weakness. Blood calcium levels are primarily regulated by the kidneys and parathyroid glands, with the liver and intestines supporting calcium balance through Vitamin D metabolism. While lifestyle factors like a diet rich in calcium and vitamin D support long-term bone health, they have less direct effect on the blood calcium level itself.
Hoe dit samenhangt met andere biomarkers
- Albumin-corrected Calcium is the preferred measure when Albumin is abnormal, because total Calcium overestimates the true active calcium when albumin is high and underestimates it when albumin is low.
- Elevated corrected Calcium with positive Immunofixation / Immunotyping raises concern for myeloma-related high calcium (one of the four "CRAB" features used to diagnose multiple myeloma).
- Low corrected Calcium with low Vitamin D points to true biological deficiency rather than an albumin artifact.
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