Research Article
Intravascular Lithotripsy for Calcium Modification in Chronic Total Occlusion Percutaneous Coronary Intervention
| | N = 55 |
| Access site | | Single radial | 9 (16.4%) | Biradial | 31 (56.4%) | Radial/femoral | 13 (23.6%) | Bifemoral | 2 (3.6%) | Dual injection angiography | 46 (83.6%) | Guide catheters 5/6/7/8 French | 1/8/87/5 | Final strategy | | AW | 32 (58.2%) | RDR | 13 (23.6%) | ADR | 6 (10.9%) | RW | 2 (3.6%) | Unsuccessful | 2 (3.6%) | IVUS | 48 (87.3%) | OCT | 1 (1.8%) | Pre-IVL | | NCB | 53 (96.4%) | SB | 11 (20%) | CB | 5 (9%) | OPN | 3 (5.5%) | RA | 7 (12.3%) | IVL therapy | | IVL balloons (mean number/case) | 1.2 | Number of pulses (mean) | 60 | Proximal cap | 51 (92.7%) | CTO body | 51 (92.7%) | Extraplaque | 19 (34.5%) | Guide extension delivery | 28 (50.1%) | Balloon burst | 7 (12.7%) | Non-CTO segment | 21 (38.2%) | Bifurcation | 11 (20%) | Post-IVL | | NCB | 53 (96.4%) | SB | 2 (3.6%) | CB | 1 (1.8%) | OPN | 7 (12.7%) | RA | 2 (3.6%) | Number of stents (mean) | 2.5 | Mean stent length (mm) | 83 | DEB | 10 (18%) |
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AW = antegrade wiring; RDR = retrograde dissection re-entry; ADR = antegrade dissection re-entry; RW = retrograde wiring; IVUS = intravascular ultrasound; OCT = optical coherence tomography; IVL = intravascular lithotripsy; NCB = noncompliant balloon; SB = scoring balloon; CB = cutting balloon; OPN = high-pressure balloon; RA = rotational atherectomy; DEB = drug eluting balloon.
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