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August 1, 1991Circulation

Hypercholesterolemia enhances macrophage recruitment and dysfunction of regenerated endothelium after balloon injury of the rabbit iliac artery.

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Why the study?

Does balloon injury combined with hypercholesterolemia enhance macrophage recruitment and endothelial dysfunction in rabbit iliac arteries?

Population

New Zealand White rabbits fed a 1% cholesterol diet or a standard diet for 14 weeks

Comparison

Balloon denudation of the left iliac artery 4… vs Control iliac arteries and standard diet

Design

Preclinical

Follow-up

4 weeks post-injury

Key result

Balloon injury combined with hypercholesterolemia caused intense macrophage infiltration, severe impairment of endothelial vasodilator function, and atypical endothelial morphology.

Authors

FWFranz WeidingerJMJames M. McLenachanMCMyron I. Cybulsky

Discussion

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Overview

Supports hypothesis that hypercholesterolemia impairs post-injury endothelial healing; leaves open human translation and should not yet change practice.

Structured PICO

Does balloon injury combined with hypercholesterolemia enhance macrophage recruitment and endothelial dysfunction in rabbit iliac arteries?

P
Population
New Zealand White rabbits fed a 1% cholesterol diet or a standard diet for 14 weeks, undergoing balloon denudation of the left iliac artery 4 weeks before death.
I
Intervention
Balloon denudation of the left iliac artery 4 weeks before death
C
Comparator
Control iliac arteries (uninjured) and standard diet
O
Outcome
Vascular reactivity, immunohistochemical staining for smooth muscle cells and macrophages, and scanning electron microscopysurrogate

Balloon injury combined with hypercholesterolemia produces a diffuse inflammatory response, sustained impairment of endothelial function, and marked proliferative response in rabbit iliac arteries.

Cite This Study

Weidinger et al. (1991) studied Arterial injury and hypercholesterolemia. Balloon denudation and 1% cholesterol diet vs. Standard diet and uninjured control arteries was evaluated on Vascular reactivity and structure. Balloon injury combined with hypercholesterolemia caused intense macrophage infiltration, severe impairment of endothelial vasodilator function, and atypical endothelial morphology.

synapsesocial.com/papers/6a23757bdc03c18469d316b6https://doi.org/10.1161/01.cir.84.2.755
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of Hypercholesterolemia on Macrophage Infiltration After Balloon Injury to Rabbit Iliac Artery2001 · 3 citations
  2. 2Hypercholesterolemia impairs vascular remodelling after porcine coronary angioplasty2002 · 27 citations
  3. 3Persistence of Balloon-induced Arterial Injury with Hyperlipidemia Despite Gemfibrozil.1996 · 2 citations
  4. 4The Biologic Behavior of Balloon Hyperinflation–Induced Arterial Lesions in Hypercholesterolemic Pigs Depends on the Presence of Foam Cells1995 · 21 citations
  5. 5The Effects of Macrophage on Neointimal Formation after Balloon or Stent Injury in Hypercholesterolemic Rabbits2005 · 1 citations