Chronic Total Occlusion Registry

Chronic Total Coronary Occlusions

The aim of this CTO registry is to gather data including patient demographic date, cardiac risk factors, procedural technical data and procedural success/outcome rates. Furthermore, we aim to evaluate the safety and performance of various CTO specific guidewires, devices (such as the CrossBoss/Stingray dissection re-entry device) and other recognised and approved techniques (retrograde wire escalation, retrograde dissection re-entry techniques). The incidence of recognized complications (dissections, perforations, cardiac tamponade, vascular complications, radiation injury, acute kidney injury) will also evaluated. The investigator will assess clinical outcome at 1 year after successful CTO procedures.

This objectives of this single-center CTO registry are to: 1. Gather prospective clinical data on all consecutive patients undergoing complex difficult CTO PCI procedures including patient demographic date, cardiac risk factors, procedural technical data (contrast volume, radiation exposure, procedure time and procedural success/outcome rates. 2. Evaluate the safety and performance of various CTO dedicated guidewires, devices (such as the CrossBoss/Stingray anterior dissection re-entry device) and other recognised and approved techniques (retrograde wire escalation, retrograde dissection re-entry techniques). 3. Evaluate the incidence and severity of recognized complications such as coronary dissections, coronary perforations (+/- need for emergency pericardiocentesis), acute kidney injury, radiation injury, access site vascular complications. 4. Evaluate the medium-term outcome (recurrence of symptoms, major cardiovascular events (cardiac death, myocardial infarction, target lesion revascularization, target vessel revascularization) during a routine out-patient consultation (planned as part of normal standard care) at 1 year post successful CTO PCI. After this consultation, the patient may choose to have cardiology follow-up at the UZ Leuven or with his/her referring cardiologist.

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