Skip to main content

Table 4 Evaluation of Potential Risk Factors for eSVS® mesh supported saphenous vein grafts

From: One-year patency control and risk analysis of eSVS®-mesh-supported coronary saphenous vein grafts

Risk Factor Patent Occluded P-Value
Gender (n; %; male) 11 (68.8) 5 (31.3) 1.00
Age (years; mean ± std) 72.4 ± 8.2 65 ± 11.8 0.14
CAD in 1° relative (n; %) 13 (76.5) 4 (23.5) 0.47
Arterial hypertension (n; %) 14 (77.8) 4 (22.2) 0.26
Diabetes (n; %) 7 (87.5) 1 (12.5) 0.34
Dyslipidemia (n; %) 12 (75) 4 (25) 0.62
Smoking (n; %; current/former/never) 2(100)/10(76.9)/2 (50) 0 / 3 (23.1)/2 (50) 0.56
Previous myocardial infarction (n;%) 9 (69.2) 4 (30.8) 1.00
LVEF (%; mean ± std) 50.8 ± 12.9 44.8 ± 5 0.13
SVG Harvest technique: endoscopic 13 (76.5) 4 (23.5) 0.47
(n; %)
SVG Harvest site : magna (n; %) 13 (76.5) 4 (23.5) 0.47
SVG Varicosis (n; %) 9 (75) 3 (25) 1.00
SVG Quality 1 (25)/10 (83.3)/3 (100) 3 (75)/2 (16.7)/0 0.06
(n; %; poor/moderate/good)
Mesh size (n; %; 3.5 mm/4.0 mm/4.5 mm)1) 3 (75)/9 (75)/2 (66.7) 1 (25) / 3 (25)/1 (33.3) 1.00
Perfusion (n; %; OPCAB/ECC/MECC) 9 (81.8)/3 (60)/2 (66.7) 2 (18.2)/2 (40)/1 (33.3) 0.79
Aorta (n; %; Clamping/Heartstring) 4 (50)/9 (90) 4 (50)/1 (10) 0.16
Coronary system (n; %; left/right) 7 (87.5)/7 (63.6) 1 (12.5)/4 (36.4) 0.34
Coronary run-off (n; %; poor/moderate/good)2) 1(33.3)/9 (75)/4 (100) 2 (66.7)/3 (25)/0 0.12
Jumping graft (n; %) 8 (88.9) 1 (11.1) 0.30
TTFM: Flow (ml/min; mean ± std) 57.8 ± 28.9 64.4 ± 83.9 0.30
TTFM: Pulsatility index (mean ± std) 1.7 ± 0.6 1.0 ± 0.2 0.03
  1. CAD: Coronary arterial disease, LVEF: Left ventricular ejection fraction, SVG: Saphenous vein graft, OPCAB: Off-pump coronary artery bypass, ECC: Extracorporeal circulation, MECC: Minimal extracorporeal circulation, 1) Diameter, 2) For definition of run-off see “methods” section, TTFM: Transit time flow measurement