What's new in nephrology and hypertension

35% of UpToDate topics are updated every four months. The editors select a small number of the most important updates and share them via "What's new" page. I selected the brief excerpts below from What's new in nephrology and hypertension:


In idiopathic membranous nephropathy, among patients with protein excretion less than 8 grams/day, treatment with an ACE inhibitor or ARB increased the probability of remission.


There was no difference in the rate of myocardial infarction, stroke or death from cardiovascular causes between the intensive versus standard hypertension therapy groups, nor in the all-cause mortality rate. ('ACCORD BP trial'). Intensive therapy included goal systolic blood pressure less than 120 mmHg, standard therapy included goal systolic blood pressure less than 140 mmHg.


Tolvaptan is a vasopressin receptor antagonists. The long-term administration of tolvaptan appears to be safe and effective among patients with chronic hyponatremia. Responses were similar in heart failure and SIADH, and more modest in cirrhosis.


An increased incidence of angioedema has been noted in patients administered angiotensin-converting enzyme (ACE) inhibitors plus either sirolimus or everolimus.

Autosomal dominant polycystic kidney disease (ADPKD)

Activation of the mammalian target of rapamycin (mTOR) protein may contribute to cyst growth in autosomal dominant polycystic kidney disease (ADPKD). The inhibition of mTOR with rapamycin preserved renal function and inhibits epithelial cell proliferation and fibrosis in a mouse model of ADPKD. In a human trial, cyst volume was stable on rapamycin.

The long-acting somatostatin octreotide decreased liver volume by 5% in patients with autosomal dominant polycystic liver disease.

What's new in nephrology and hypertension. UpToDate.

Twitter comments:

@kidney_boy (Joel Topf): UpToDate seems to be misrepresenting the ADPKD mTOR data. See my interpretation here: More ADPKD and sirolimus data: More definitive; less encouraging

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