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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Am+Soc+Hypertens
2016 ; 10
(4
): 325-35
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Early atherosclerosis aggravates renal microvascular loss and fibrosis in swine
renal artery stenosis
#MMPMID26879682
Sun D
; Eirin A
; Ebrahimi B
; Textor SC
; Lerman A
; Lerman LO
J Am Soc Hypertens
2016[Apr]; 10
(4
): 325-35
PMID26879682
show ga
Renal function in patients with atherosclerosis and renal artery stenosis (ARAS)
deteriorates more frequently than in nonatherosclerotic RAS. We hypothesized that
ARAS aggravates stenotic-kidney micro vascular loss compared to RAS. Domestic
pigs were randomized to normal, RAS, and ARAS (RAS fed a high-cholesterol diet)
groups (n = 7 each). Ten weeks later stenotic-kidney oxygenation, renal blood
flow, and glomerular filtration rate (GFR) were evaluated in vivo, and micro
vascular density by micro-computed tomography. Blood pressure in both RAS and
ARAS was elevated; and stenotic-kidney renal blood flow and GFR similarly
decreased. RAS decreased the density of small-size cortical microvessels
(<200 ?m), whereas ARAS extended the decrease to medium-sized microvessels
(200-300 ?m). Cortical hypoxia and interstitial fibrosis increased in both RAS
and ARAS but correlated inversely with micro vascular density only in RAS.
Atherosclerosis aggravates loss of stenotic-kidney microvessels, yet additional
determinants likely contribute to cortical hypoxia and fibrosis in swine ARAS.