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Figure 1 Representative planar intravascular ultrasound images of Palmaz-Schatz stent at follow-up are shown. Each is duplicated, and the duplicate is labeled. In patient without glucose intolerance (left), the stent area measured 6.4 mm2, and the lumen area measured 4.6 mm2. Thus, there was 1.8 mm2 of neointimal tissue proliferation and the neointimal index was 28%. In patient with impaired glucose tolerance (right), the stent area measured 6.3 mm2, and the lumen area measured 2.2 mm2. Thus, there was 4.1 mm2 of neointimal tissue proliferation and the neointimal index was 65%.
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