Interventions
J-CTO Score
Five angiographic variables predict whether a guidewire will cross a chronic total occlusion within 30 minutes. This helps plan strategy, case selection and operator experience.
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Criteria
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Total score
0
Easy
Wire crossing < 30 min ≈ 88%
Decision guide
Antegrade wiring; suitable for developing CTO operators.
Ranges: 0 Easy1 Intermediate2 Difficult3–5 Very difficult
References
- Morino Y, et al. Predicting successful guidewire crossing through chronic total occlusion of native coronary lesions within 30 minutes: the J-CTO score. JACC Cardiovasc Interv 2011;4:213-221.
- Brilakis ES, et al. Guiding principles for chronic total occlusion PCI (Global CTO crossing algorithm). Circulation 2019;140:420-433.
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