Table 1

Patient characteristics

POBA PTRA Stent
Number of patients101012
Age (years) (mean (SD)) 59.0 (10.3)59.3 (7.3)54.6 (10.6)
Male/female10/08/29/3
Body mass index (kg/m2)24.0 (1.2)24.5 (0.7)26.5 (1.1)
Hypertension7710
Hyperlipidaemia5110
Diabetes mellitus554
Current smoker866
Family history of IHD314
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 stenosis80.7 (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 stenosis6.6 (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.