Morphologic observations after percutaneous transluminal balloon angioplasty of early and late aortocoronary saphenous vein bypass grafts

B. F. Waller, Thomas Ulbright, H. J. Gorfinkel, T. M. Ulbright, T. J. Linnemeier, S. M. Berger

Research output: Contribution to journalArticle

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Abstract

Clinical and morphologic observations from two patients undergoing percutaneous transluminal angioplasty of stenotic aortocoronary saphenous vein bypass grafts early (3 months) and late (56 months) after graft insertion are described. Each patient had one or more clinically successful graft dilations resulting in an angiographic increase in luminal diameter and a decrease in mean transstenotic gradient, and each had restenosis of the graft at the site of previous angioplasty within 2 months of dilation. Both operatively excised grafts had diffuse but variable amounts of intimal fibrous thickening and severe narrowing at the previous angioplasty site. The early graft had no evidence of dilation injury, and the intimal thickening consisted solely of fibrocollagenous tissue free of calcific deposits. In contrast, the late graft had a healing intimal dissection at the angioplasty site, and the intimal thickening consisted of atherosclerotic plaque with calcific deposits. Angiographic and morphologic correlations suggest that the mechanism of saphenous vein angioplasty early (≤ 1 year) after insertion is by graft 'stretching', while late (> 1 year) after insertion it is by atherosclerotic plaque 'fracture' similar to that observed in atherosclerotic coronary arteries subjected to angioplasty procedures.

Original languageEnglish (US)
Pages (from-to)784-792
Number of pages9
JournalJournal of the American College of Cardiology
Volume4
Issue number4
DOIs
StatePublished - 1984
Externally publishedYes

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Balloon Angioplasty
Saphenous Vein
Angioplasty
Tunica Intima
Transplants
Dilatation
Atherosclerotic Plaques
Dissection
Coronary Vessels
Wounds and Injuries

ASJC Scopus subject areas

  • Nursing(all)

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Morphologic observations after percutaneous transluminal balloon angioplasty of early and late aortocoronary saphenous vein bypass grafts. / Waller, B. F.; Ulbright, Thomas; Gorfinkel, H. J.; Ulbright, T. M.; Linnemeier, T. J.; Berger, S. M.

In: Journal of the American College of Cardiology, Vol. 4, No. 4, 1984, p. 784-792.

Research output: Contribution to journalArticle

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abstract = "Clinical and morphologic observations from two patients undergoing percutaneous transluminal angioplasty of stenotic aortocoronary saphenous vein bypass grafts early (3 months) and late (56 months) after graft insertion are described. Each patient had one or more clinically successful graft dilations resulting in an angiographic increase in luminal diameter and a decrease in mean transstenotic gradient, and each had restenosis of the graft at the site of previous angioplasty within 2 months of dilation. Both operatively excised grafts had diffuse but variable amounts of intimal fibrous thickening and severe narrowing at the previous angioplasty site. The early graft had no evidence of dilation injury, and the intimal thickening consisted solely of fibrocollagenous tissue free of calcific deposits. In contrast, the late graft had a healing intimal dissection at the angioplasty site, and the intimal thickening consisted of atherosclerotic plaque with calcific deposits. Angiographic and morphologic correlations suggest that the mechanism of saphenous vein angioplasty early (≤ 1 year) after insertion is by graft 'stretching', while late (> 1 year) after insertion it is by atherosclerotic plaque 'fracture' similar to that observed in atherosclerotic coronary arteries subjected to angioplasty procedures.",
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AU - Waller, B. F.

AU - Ulbright, Thomas

AU - Gorfinkel, H. J.

AU - Ulbright, T. M.

AU - Linnemeier, T. J.

AU - Berger, S. M.

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N2 - Clinical and morphologic observations from two patients undergoing percutaneous transluminal angioplasty of stenotic aortocoronary saphenous vein bypass grafts early (3 months) and late (56 months) after graft insertion are described. Each patient had one or more clinically successful graft dilations resulting in an angiographic increase in luminal diameter and a decrease in mean transstenotic gradient, and each had restenosis of the graft at the site of previous angioplasty within 2 months of dilation. Both operatively excised grafts had diffuse but variable amounts of intimal fibrous thickening and severe narrowing at the previous angioplasty site. The early graft had no evidence of dilation injury, and the intimal thickening consisted solely of fibrocollagenous tissue free of calcific deposits. In contrast, the late graft had a healing intimal dissection at the angioplasty site, and the intimal thickening consisted of atherosclerotic plaque with calcific deposits. Angiographic and morphologic correlations suggest that the mechanism of saphenous vein angioplasty early (≤ 1 year) after insertion is by graft 'stretching', while late (> 1 year) after insertion it is by atherosclerotic plaque 'fracture' similar to that observed in atherosclerotic coronary arteries subjected to angioplasty procedures.

AB - Clinical and morphologic observations from two patients undergoing percutaneous transluminal angioplasty of stenotic aortocoronary saphenous vein bypass grafts early (3 months) and late (56 months) after graft insertion are described. Each patient had one or more clinically successful graft dilations resulting in an angiographic increase in luminal diameter and a decrease in mean transstenotic gradient, and each had restenosis of the graft at the site of previous angioplasty within 2 months of dilation. Both operatively excised grafts had diffuse but variable amounts of intimal fibrous thickening and severe narrowing at the previous angioplasty site. The early graft had no evidence of dilation injury, and the intimal thickening consisted solely of fibrocollagenous tissue free of calcific deposits. In contrast, the late graft had a healing intimal dissection at the angioplasty site, and the intimal thickening consisted of atherosclerotic plaque with calcific deposits. Angiographic and morphologic correlations suggest that the mechanism of saphenous vein angioplasty early (≤ 1 year) after insertion is by graft 'stretching', while late (> 1 year) after insertion it is by atherosclerotic plaque 'fracture' similar to that observed in atherosclerotic coronary arteries subjected to angioplasty procedures.

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