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Stent longitudinal distortion: strut separation (pseudo-fracture) and strut compression (“concertina” effect)

EuroIntervention 2012;8:290-291. DOI: 10.4244/EIJV8I2A44

1. Centro Cardiologico Monzino, IRCCS, Milan, Italy; 2. Department of Cardiovascular Sciences, University of Milan, Milan, Italy; 3. Mercy Angiography, Auckland, New Zealand
A 36-year-old dyslipidaemic, cigarette-smoking woman with a family history of CAD presenting with exertional angina had non-invasive evidence of inferior ischaemia. A severe proximal lesion of the RCA was treated as outlined in detail in Figure 1 and Figure 2 and their legends. A 4.0×20 mm Promus™ Element™ stent (Boston Scientific, Natick, MA, USA) was shortened due to the delivery balloon catching on the distal stent on withdrawal associated with deep guide catheter intubation. Stent shortening uncovered part of the lesion that was treated with an additional 4.0×8 mm stent of the same design. The post dilation non-compliant balloon pushed struts apart which appeared ...

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