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Previous Volume 329:1891-1893 December 16, 1993 Number 25 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Two important randomized studies comparing directional atherectomy with balloon angioplasty were recently published in the Journal (July 22 issue), and both suggested that there was little or no difference in the rate of restenosis^1,2. Although I agree with the author of the accompanying editorial that these two studies exemplify solid clinical investigation,³ both have important limitations.

There is a clear relation between the luminal diameter immediately after the procedure and the subsequent rate of restenosis, independent of the device used to produce that diameter⁴. Balloon angioplasty results in residual stenoses of 25 to 35 percent, . . . [Full Text of this Article]

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