The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

Coronary interventions - Mini focus on optical coherence tomography

A novel technique of low molecular weight dextran infusion followed by catheter push (D-PUSH) for optical coherence tomography

EuroIntervention 2021;17:e149-e151. DOI: 10.4244/EIJ-D-20-00996

1. Department of Cardiology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan; 2. Division of Intensive Care Unit, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan; 3. Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
Introduction

Despite the established usefulness of optical coherence tomography (OCT) guidance in percutaneous coronary intervention (PCI), the quality of the OCT images obtained is sometimes poor due to inadequate clearance of blood flow in cases involving extremely tight stenotic lesions. Increasing the volume of contrast media, generally used for blood flow clearance, is also a problem. A novel OCT procedure, the “low molecular weight dextran (LMWD) infusion followed by catheter push (D-PUSH)” procedure, in which an OCT catheter is advanced from the proximal to distal target lesion segment after initiating LMWD infusion from a guiding catheter, may ...

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