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Angiology, Vol. 57, No. 5, 643-646 (2006)
DOI: 10.1177/0003319706293153

Mobile Stenosis in a Left Internal Mammary Artery Graft: A Case Report

Takeshi Nakamura, MD

Department of Cardiovascular Medicine, Kyoto Prefectural Yosanoumi Hospital, Kyoto, Japan, ttt01-nakamura{at}mub.biglobe.ne.jp

Akihiro Azuma, MD

Departments of Cardiology and Vascular Regenerative Medicine, Kyoto, Japan

Takahisa Sawada, MD

Departments of Cardiology and Vascular Regenerative Medicine, Kyoto, Japan

Kenzo Sakamoto, MD

Departments of Cardiology and Vascular Regenerative Medicine, Kyoto, Japan

Tetsuhiro Yamano, MD

Departments of Cardiology and Vascular Regenerative Medicine, Kyoto, Japan

Hitoshi Yaku, MD

Departments of Cardiovascular Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan

Hiroaki Matsubara, MD

Departments of Cardiology and Vascular Regenerative Medicine, Kyoto, Japan

The authors report a case of percutaneous transluminal angioplasty (PTA) with coronary stent for stenosis in a left internal mammary artery (IMA) graft, which led to newly developed stenosis at both sides of the stent in the IMA graft. The intravascular ultrasound (IVUS) revealed that the stenotic lesion consisted of intramural hematoma, which had shifted owing to the stent deployment. They suggest that the cause of stenotic lesions in IMA grafts at the early postoperative period is luminal compression by intramural hematoma, which can be visualized by use of IVUS. The strategy of PTA for IMA grafts performed at the early postoperative period should include consideration for hematoma shift.

References

  • Loop FD, Lytle BW, Cosgrove DM, et al: Influence of the internal-mammary-artery graft on 10-year survival and other cardiac events. N Engl J Med 314: 1-6, 1986.[Abstract]
  • Acinapura AJ, Rose DM, Jacobowitz IJ, et al: Internal mammary artery bypass grafting: Influence on recurrent angina and survival in 2,100 patients. Ann Thorac Surg 48: 186-191, 1989.[Abstract]
  • Hearne SE, Davidson CJ, Zidar JP, et al: Internal mammary artery graft angioplasty: Acute and long-term outcome. Cathet Cardiovasc Diagn 44: 153-156, 1998.[CrossRef][ISI][Medline] [Order article via Infotrieve]
  • Gruberg L, Dangas G, Mehran R, et al: Percutaneous revascularization of the internal mammary artery graft: Short- and long-term outcomes. J Am Coll Cardiol 35: 944-948, 2000.[Abstract/Free Full Text]
  • Tantibhedhyangkul W, Laskey WK: An unusual case of left internal mammary artery ostial disease: clarifying role of intravascular ultrasound. Cathet Cardiovasc Intervent 55: 369-372, 2002.[CrossRef][ISI][Medline] [Order article via Infotrieve]
  • Ishizaka N, Ishizaka Y, Ikari Y, et al: Prolonged luminal narrowing of internal mammary artery graft after percutaneous transluminal angioplasty: A case report. Angiology 47: 735-738, 1996.[ISI][Medline] [Order article via Infotrieve]

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This Article
Right arrow Abstract Freely available
Right arrow Free Full Text (Free PDF) Free
Right arrow Alert me when this article is cited
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Citing Articles
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Google Scholar
Right arrow Articles by Nakamura, T.
Right arrow Articles by Matsubara, H.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Nakamura, T.
Right arrow Articles by Matsubara, H.
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What's this?