Coronary interventions

Calcified plaque ablated by rotational atherectomy visualised by optical coherence tomography

EuroIntervention 2015;11:e1 published online e-article July 2015. DOI: 10.4244/EIJV11I3A62

Terumasa Koyama
Terumasa Koyama*, MD; Hiroyuki Okura, MD; Teruyoshi Kume, MD; Kenzo Fukuhara, MD; Yoji Neishi, MD; Akihiro Hayashida, MD; Takahiro Kawamoto, MD; Kiyoshi Yoshida, MD
Department of Cardiology, Kawasaki Medical School, Kurashiki, Japan
Calcification is visualised by optical coherence tomography (OCT) as a well-delineated, signal-poor region with sharp borders.

A 63-year-old female patient with stable angina underwent percutaneous coronary intervention. OCT (C7 Dragonfly™, ILUMIEN™ OCT system; St. Jude Medical, St. Paul, MN, USA) showed lumen narrowing with heavily calcified plaque (Figure 1A). Rotational atherectomy (RA) was performed using a 2 mm burr (Rotablator™ Rotational Atherectomy System; Boston Scientific, Marlborough, MA, USA). After RA, OCT clearly visualised the calcified segment ablated by the 2 mm burr as a circular hole (Figure 1B and Figure 1C, dotted line indicates the size of the 2 mm Rotablator burr, ...

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