An interesting question! The physiology of parathyroid hormone is to reabsorb urinary calcium; that is why most patients with primary hyperparathyroidism are hypercalcemic! The better question is why are they hypercalciuric? I think the best answer has to do with the filtered load of calcium exceedi...

I am not aware of any case studies pertinent to this question, and I have only seen a few patients that have required this surgery. Based on my experience with partial parathyroidectomy patients from the CKD/ESRD populations, I would wait at least 6 months to be well outside of the most severe probl...