SEATTLE—Percutaneous transluminal angioplasty (PTA) safely treats infragenicular arterial disease and helps to preserve limbs, according to a study presented here at the Society of Interventional Radiology annual meeting.
The renin-angiotensin-aldosterone system (RAAS) is a well-known regulator of BP, and angiotensin II (AII) plays the primary role in constricting the postglomerular arterioles. This increases both the glomerular hydraulic pressure and the ultrafiltration of plasma proteinseffects that may con- tribute to chronic renal damage. AII may stimulate renal cell growth, inflammation, and fibrosis.
Data from a Moroccan study implicate calcium and phosphate metabolism abnormalities in the pathogenesis of heart valve calcifications in patients on hemodialysis.
CHICAGO—Elevated troponin levels are associated with renal insufficiency in patients with heart failure, a new study found.