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Table 2 Arterial access characteristics/technique

From: Are complication rates lower with 4-Fr versus 6-Fr transfemoral arterial access – prospective audit at a single interventional radiology centre

  4-French (168 procedures) 6-French (152 procedures) Access Site Characteristic for BOTH 4Fr and 6Fr procedures
    Difference in complication rates (Cx = complication) p - value
Patient side of puncture
 Left 72 69 Left (n = 141, Cx in 5.7%) vs right groin (n = 178, Cx in 6.7%) p = 0.696
 Right 95 83
 Unrecorded 1    
Seniority of operator
 Junior radiology trainee 16 16 Junior (n = 32, Cx in 0.0%) vs senior operator (n = 287, Cx in 7.0%) (fellow or consultant) p = 0.240
 Interventional radiology fellow 132 116
 Consultant 20 19
 Unrecorded 0 1   
Direction of puncture
 Retrograde 118 124 Retrograde (n = 242, Cx in 4.6%) vs antegrade (n = 78, Cx in 11.5%) puncture p = 0.027
 Antegrade 50 28
Artery punctured
 External Iliac Artery 1 1   
 CFA 161 144 CFA (n = 305, Cx in 6.2%) vs SFA (n = 13, Cx in 7.1%) p = 0.604
 SFA 6 7
Number of passes
 1 142 130 Single (n = 272, Cx in 5.5%) vs multiple (n = 48, Cx in 10.4%) passes p = 0.200
  > 1 26 22
Vessel calcification: Nil 43:125 72:80 Calcified (n = 115, Cx in 8.7%) vs non-calcified (n = 205, Cx in 4.9%) p = 0.176
Scarred groin: Nil 14:154 39:113 Scarred (n = 53, Cx in 5.7%) vs non scarred (n = 267, Cx in 6.4%) p > 0.999
Habitus
 Raised BMI: normal/low 57:111 37:114 Raised (n = 94, Cx in 5.3%) vs normal BMI (n = 225, Cx in 6.7%) p = 0.651
 Unrecorded   1   
Puncture technique
 Manual palpation 45 6 Manual palpation (n = 51, Cx in 2.0%) vs image guided (n = 269, Cx in 7.1%) p = 0.219
 Fluoroscopic guidance 9 7
 Ultrasound 62 81
 Combination 52 58
Anticoagulation during procedure 2 unavailable 4 unavailable   
 Nil 104 46 Anticoagulation (n = 164, Cx in 7.9%) vs none (n = 150, Cx in 3.3%) p = 0.093
 Intra-arterial heparin (3–5000 Units) 62 102
Closure method
 Manual compression 163 87 Manual compression (n = 250, Cx in 6.4%) vs closure / compression device (n = 68, Cx in 5.8%) p = > 0.999
 Angioseal 4 54
 Exoseal 1 5
 Additional femstop 0 3
 Other (unrecorded) vascular closure device 0 1
 Vascular sheath left in-situ 0 1   
 Unrecorded   1