Morphology after Transluminal Angioplasty

Ronald Krone, Peter C. Block

Research output: Contribution to journalLetterpeer-review


To the Editor: Microscopic sections of the coronary vessels after transluminal angioplasty, discussed in the article by Block et al. (August 13 issue),* have striking implications for angiographic assessment of the efficacy of this new procedure. In both cases the enlargement of the lumen occurred through the development of a slit along the internal-circumference vessel: in the first patient the slit was an almost circumferential, thin one, and in the second it was a more limited, very narrow one along the vessel wall. The angiographic evaluation of these lesions presumably would overestimate the luminal size. For example, in Case 1.

Original languageEnglish
Number of pages1
JournalNew England Journal of Medicine
Issue number27
StatePublished - Dec 31 1981


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