The Morphological Concept of Percutaneous Transluminal Angioplasty

  • H. J. Leu


Since the introduction of percutaneous transluminal angioplasty (PTA), the question of the destiny of the obliterating arteriosclerotic material after the perforating or dilating procedure has been widely discussed. Several possibilities have been mentioned, such as compression of the intimai cushions, lysis of intimai appositions, dilatation of the vessel wall including the media, radial rupture of the intima, and loosening of intimai plaques with embolization into the periphery [1–8]. In reality the spectrum of morphological alterations is as complex as the morphological pattern of arteriosclerosis itself. Any of the mentioned possibilities may occur. Only by evaluating the type of arteriosclerotic lesion can we understand the chances of PTA and the possible reasons for failure and for certain complications. In spite of the latter, PTA has gained a definite position within the therapy spectrum of obliterating arterial disease.


Intimal Proliferation Dense Connective Tissue Cholesterin Granuloma Thrombotic Material Spontaneous Dissection 
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© Springer-Verlag Berlin Heidelberg 1983

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  • H. J. Leu

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