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Table 2 Procedural and angiographical characteristics

From: Impact of Chocolate percutaneous transluminal angioplasty balloon on vessel preparation in drug-coated balloon angioplasty for femoropopliteal lesion

  Chocolate
n = 48
Conventional
n = 63
P
Procedural characteristics
Pre-balloon dilatation
  Balloon diameter, mm 4.8 ± 0.8 4.6 ± 0.8 0.156
  Balloon length, mm 90 ± 37 148 ± 95 0.004
  Inflation pressure, atm 11 ± 3 16 ± 7  < 0.001
  Inflation time, sec 154 ± 42 132 ± 77 0.225
Final device
  Drug-coated balloon, n (%) 47 (98) 53 (84) 0.016
  Bailout stent, n (%) 1 (2.1) 10 (15.9) 0.016
Angiographical results
  Post pre-dilatation
   Dissection grade
   Grade none, n (%) 29 (60) 18 (29) 0.006
   Grade A, n (%) 14 (29) 19 (30)  
   Grade B, n (%) 3 (6) 10 (16)  
   Grade C, n (%) 1 (2) 8 (13)  
   Grade D, n (%) 1 (2) 7 (11)  
   Grade E or F, n (%) 0 1(2)  
   Severe dissection, n (%) 2 (4.2) 16 (25.4) 0.003
   %Diameter stenosis, % 18 ± 15 20 ± 17 0.409
Final angiogram
  Severe dissection, n (%) 1 (2.1) 7 (11.1) 0.070
  %diameter stenosis, % 13 ± 11 13 ± 12 0.990