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Value of Intravascular Ultrasound in the Assessment of Coronary Pseudostenosis During Coronary Interventions by Fernando Alfonso; Andrés Delgado; Domingos Magalhaes; Javier Goicolea; Rosana Hernández; Antonio Fernández-Ortíz; Javier Escaned; Camino Bañuelos; Jorge Cortés; Alex Flores; Carlos Macaya is a Medicine article available to read on EtoBox.

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## Coronary pseudostenosis (PS) are increasingly visualized during coronary interventions. In many patients PS are readily recognized by a characteristic angiographic pattern, but in other cases the diagnosis remains difficult. The value of intravascular ultrasound (IVUS) in the study of PS remains unknown. In this study, IVUS was used to assess the morphologic appearance of the vessel wall in 10 consecutive patients showing images of PS during coronary interventions. Mean age of the group was 60 ؎ 12 years and two patients were female. IVUS was performed with a motorized pullback system to assess lumen, plaque, and total vessel cross-sectional areas. Measurements were performed both at the site of PS and at the distal reference segment. PS were always located on angled coronary segments. In one patient no lumen narrowing was detected with IVUS at the site of PS. In the remaining nine patients, however, a very localized elliptic-shaped lumen narrowing was demonstrated. As compared with the distal reference segment, coronary lumen (6.3 ؎ 2.2 vs. 12.7 ؎ 4.8 mm 2 , P F 0.001) and total vessel area (11.9 ؎ 3.3 vs. 16.1 ؎ 6.1 mm 2 , P F 0.05) were smaller at the site of PS. Severe lumen

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Author

Fernando Alfonso; Andrés Delgado; Domingos Magalhaes; Javier Goicolea; Rosana Hernández; Antonio Fernández-Ortíz; Javier Escaned; Camino Bañuelos; Jorge Cortés; Alex Flores; Carlos Macaya

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1522-1946)

Published

1999

Language

EN

Field

Medicine (Health Sciences)