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Do hibernating bears urinate?

And now for a discussion of a burning nephrology question: what happens to a bear’s renal function when it goes into hibernation? (Thank my brother for raising the question while he was a medical student.) The simple answer…

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Secondary forms of hypertension

Lisa Cohen recently summarized rare “genetic” forms of hypertension including Liddle’s syndrome and PHA type II (Gordon’s syndrome). I want to summarize other causes of “secondary” hypertension which are not inherited (at least not typically in a Mendelian…

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Genetic causes of hypertension

And now for some board review tidbits! Below are some genetic causes of hypertension attributable to specific gene mutations. Glucocorticoid-remediable hyperaldosteronism (GRE)- Autosomal dominant condition caused by uneven crossing over on chromosome 8. A chimeric protein is created…

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Are all thiazides created equal?

At the Brigham Renal Board Review course (review of board prep options) a few weeks ago, Dr Burton Rose argued that for all of us who use thiazide diuretics (review of thiazides) to treat mild hypertension, chlorthalidone should…

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Tubulointerstitial disease

ANATOMYThe tubulointerstial tissue is composed of cortex and medulla. The cortex has type 1 cells resembling fibroblasts and produces Epo. Type 2 cells in the cortex resemble dendritic cells capable of Ag presentation. Furthermore the cortex contains types…

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