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256 Sondore et al. | Journal of Clinical and Translational Research 2023; 9(4): 253-260
Table 2. Baseline characteristics of PCI group
Characteristic Stable angina (n=16) Asymptomatic (n=6) P‑value
Age, years 69.47±8.31 67.27±8.60 0.42
Body mass index, kg/m 2 27.59±3.83 28.13±3.95 0.50
Gender
Male, n (%) 8 (50.0) 1 (16.7) 0.21
Female, n (%) 8 (50.0) 5 (83.3) 0.21
Analyzed artery
Left internal carotid artery, n (%) 12 (75.0) 3 (50.0) 0.31
Right internal carotid artery, n (%) 3 (18.8) 3 (50.0) 0.35
Left anterior descending coronary artery, n (%) 5 (31.3) 2 (33.3) 0.40
Left circumflex coronary artery, n (%) 3 (18.8) 1 (16.7) 0.88
Right coronary artery, n (%) 7 (43.8) 3 (50.0) 0.64
Smoking
Active smoker, n (%) 3 (18.8) 0 (0.0) 0.25
Former smoker, n (%) 1 (6.3) 1 (16.7) 0.45
Non-smokers, n (%) 12 (75.0) 4 (66.7) 16
Diabetes mellitus, n (%) 2 (12.5) 2 (33.3) 0.26
Dyslipidemia, n (%) 16 (100) 6 (100) n/a
Arterial hypertension, n (%) 15 (93.8) 6 (100) 0.53
Acute cerebral event in history, n (%) 7 (43.8) 1 (16.7) 0.24
Myocardial infarction, n (%) 4 (25.0) 3 (50.0) 0.26
PCI in history, n (%) 3 (18.8) 3 (50.0) 0.14
Peripheral arterial disease, n (%) 7 (43.8) 2 (33.3) 0.66
Familial history of cardiovascular disease, n (%) 5 (31.3) 1 (16.7) 0.48
Atrial fibrillation
Permanent, (%) 2 (12.5) 0 (0.0) 0.36
None, (%) 14 (100) 6 (100) 0.36
PCI: Percutaneous coronary intervention

Table 3. Procedural and VH-IVUS characteristics of CAS group
Characteristic Carotid artery (n=78) Coronary artery (n=78) P‑value
CAS artery
Left internal carotid artery, n (%) 41 (52.6) - -
Right internal carotid artery, n (%) 37 (47.4) - -
Analyzed artery
Left anterior descending coronary artery, n (%) - 37 (47.4) -
Left circumflex coronary artery, n (%) - 16 (20.5) -
Right coronary artery, n (%) - 25 (32.1) -
Minimal lumen diameter, mm, mean±SD 2.5±0.6 2.1±0.4 <0.01
Mean lumen diameter, mm, mean±SD 4.3±0.8 3.0±0.5 <0.01
Minimal lumen area, mm, mean±SD 7.9±4.0 4.8±1.7 <0.01
Minimal vessel diameter, mm, mean±SD 5.8±0.7 3.8±0.7 <0.01
Mean vessel diameter, mm, mean±SD 7.2±0.7 4.6±0.7 0.36
Vessel volume, mm , mean±SD 715.2±476.6 258.8±159.4 <0.01
3
Plaque volume, mm , mean±SD 439.8±306.4 153.2±105.7 0.22
3
Plaque burden, %, mean±SD 61.8±10.4 56.4±8.5 <0.01
Segment length, mm, mean±SD 17.1±9.9 15.8±8.3 0.26
Necrotic tissue, %, mean±SD 20.2±9.4 22.7±6.8 0.02
Fibrotic tissue, %, mean±SD 52.5±7.7 51.7±10.3 0.37
Fibrolipids, %, mean±SD 19.6±9.9 12.2±8.1 <0.01
Calcium, %, mean±SD 8.24±5.9 13.7±6.8 <0.01
CAS: carotid artery stenting, VH-IVUS: Virtual histology intravascular ultrasound, SD: Standard deviation
DOI: http://dx.doi.org/10.18053/jctres.09.202304.23-00030