Intravascular Lithotripsy for Calcium Modification in Chronic Total Occlusion Percutaneous Coronary Intervention

Table 2

Procedural data.

	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%)

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.