Research Article

IVUS-Guided Zero-Contrast PCI in CKD Patients: Safety and Short-Term Outcome in Patients with Complex Demographics and/or Lesion Characteristics

Table 2

Angiographic and IVUS characteristics.

Angiographic and IVUS dataOverall group

Number of PCI vessels (n)27
Number of vessels involved per patient (mean ± SD)1.7 ± 0.7
SYNTAX I score (mean ± SD) (n = 15)20.6 ± 10.0
SYNTAX I score
 <238 (53.3%)
 23–326 (40%)
 >321 (6.7%)
SYNTAX II score (mean ± SD) (n = 15)45.4 ± 6.9
Calcium arc
 ≥180°6 (22.2%)
 <180°13 (48.1%)
No calcium8 (29.6%)

All data are presented as n (%) unless otherwise specified; n varied in a few cases and has been specified accordingly. IVUS : intravascular ultrasound; LMCA : left main coronary artery; MLA : minimal luminal area; POC : polygon of confluence; PCI : percutaneous coronary intervention; SYNTAX : Synergy between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery; SD : standard deviation.