POBA | PTRA | Stent | |
Number of patients | 10 | 10 | 12 |
Age (years) (mean (SD)) | 59.0 (10.3) | 59.3 (7.3) | 54.6 (10.6) |
Male/female | 10/0 | 8/2 | 9/3 |
Body mass index (kg/m2) | 24.0 (1.2) | 24.5 (0.7) | 26.5 (1.1) |
Hypertension | 7 | 7 | 10 |
Hyperlipidaemia | 5 | 1 | 10 |
Diabetes mellitus | 5 | 5 | 4 |
Current smoker | 8 | 6 | 6 |
Family history of IHD | 3 | 1 | 4 |
AHA lesion (LAD/LCX) | (7/3) | (9/1) | (12/0) |
ACC/AHA lesion type (type A/B/C) | (1/8/1) | (1/3/6) | (0/9/3) |
Final balloon size (mm) | 3.15 (0.13) | 3.00 (0.12) | 3.23 (0.10) |
Maximum inflation pressure (atm) | 10.7 (0.9) | 2.2 (0.9)1-150 | 12.8 (0.5) |
Duration of inflation (s) | 244 (26)1-151 | 140 (19) | 211 (19) |
Before angioplasty | |||
MLD (mm) | 0.55 (0.21) | 0.34 (0.13) | 0.35 (0.13) |
Per cent stenosis | 80.7 (6.0) | 87.8 (4.0) | 88.8 (4.1) |
After angioplasty | |||
MLD (mm) | 2.51 (0.16)1-152 | 2.44 (0.16)1-152 | 3.05 (0.14)1-152 1-153 |
Per cent stenosis | 6.6 (1.1)1-152 | 7.8 (2.3)1-152 | −1.0 (1.2)1-152 1-154 |
Maximum CK value after PTCA (IU/l) | 26 (3) | 25 (4) | 22 (5) |
Data are mean (SEM) or n unless otherwise specified.
↵1-150 p < 0.001 v patients with POBA and stent implantation;
↵1-151 p < 0.05 v patients with PTRA;
↵1-152 p < 0.001 v MLD and % stenosis before angioplasty;
↵1-153 p < 0.05,
↵1-154 p < 0.001v MLD and % stenosis in patients with POBA and PTRA.
ACC/AHA, American College of Cardiology/American Heart Association; CK, creatine kinase; IHD, ischaemic heart disease; LAD, left anterior descending coronary artery; LCX, left circumflex coronary artery; MLD, maximum lumen diameter; POBA, plain old balloon angioplasty; PTCA, percutaneous transluminal coronary angioplasty; PTRA, percutaneous transluminal rotational coronary atherectomy.