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J Invasive Cardiol. 2019 May;31(5):133-139. Epub 2019 Jan 15.

Frequency and Outcomes of Ad Hoc Versus Planned Chronic Total Occlusion Percutaneous Coronary Intervention: Multicenter Experience.

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1
Minneapolis Heart Institute, 920 E. 28th Street #300, Minneapolis, MN 55407 USA. esbrilakis@gmail.com.

Abstract

BACKGROUND:

For patients needing coronary chronic total occlusion (CTO) percutaneous coronary intervention (PCI), a planned, staged intervention has been recommended by experts. Ad hoc CTO-PCI, however, occurs in practice.

METHODS:

Observational, contemporary, multicenter, international registry. Our goals were to determine the frequency, characteristics, procedural techniques, and outcomes of patients who underwent ad hoc vs planned CTO-PCI.

RESULTS:

Among 2282 patients who underwent CTO-PCI between 2012 and 2017, 318 (14%) were ad hoc. Patients undergoing ad hoc CTO-PCI had lower J-CTO, PROGRESS CTO, and PROGRESS Complications scores. Antegrade-wire escalation was used more often in ad hoc PCI (96% vs 81%; P<.001), whereas antegrade-dissection re-entry (22% vs 32%) and retrograde approaches (14% vs 38%) were more common in planned PCI (P<.001). There was no difference in ad hoc vs planned PCI in technical (85% vs 86%) and procedural success (84% vs 84%). In-hospital major adverse cardiac events (MACE) were more common in patients who underwent planned procedures (0.6% vs 2.9%; P=.02). Multivariable analyses showed that ad hoc CTO-PCI was not associated with technical success or MACE.

CONCLUSIONS:

Ad hoc CTO-PCI occurs more commonly in less complex lesions and is associated with similarly high success rates as planned CTO-PCI in lower J-CTO score lesions, suggesting that ad hoc CTO-PCI may be an acceptable option for experienced hybrid operators in carefully selected cases. Complex cases, as quantified by the J-CTO score, have a higher in-hospital MACE rate and should preferably be performed following proper planning and preparation.

KEYWORDS:

calcification; chronic total occlusion; high-risk PCI

PMID:
30643040
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