From: Differences in brachial and femoral artery responses to prolonged sitting
Brachial artery (BA) | Superficial femoral artery (SFA) | |||||||
---|---|---|---|---|---|---|---|---|
0 hr | 1 hr | 2 hr | 3 hr | 0 hr | 1 hr | 2 hr | 3 hr | |
Baseline diameters | 4.0 ± 0.6 | 3.9 ± 0.6 | 4 ± 0.7 | 3.9 ± 0.4 | 6.3 ± 0.6 | 6.3 ± 0.7 | 6.5 ± 0.6 | 6.3 ± 0.7 |
Antegrade SR | 23.6 ± 8.7 | 18.3 ± 8.3 | 19 ± 9.1 | 16.7 ± 5.4* | 7.1 ± 2.1 | 5.4 ± 2.5* | 5.5 ± 2.3* | 6.1 ± 2 |
Mean SR | 16.7 ± 10.4 | 11.3 ± 7.3 | 11 ± 9.1 | 12.9 ± 14.8 | 4.6 ± 2.1 | 2.5 ± 3* | 2.8 ± 1.5* | 3.4 ± 1.5 |
Retrograde SR | 6.7 ± 4.6 | 6.9 ± 3.4 | 7.9 ± 3.7 | 8.1 ± 3.9 | 2.5 ± 1.1 | 2.8 ± 1.7 | 2.7 ± 1.4 | 2.7 ± 1.2 |
OSI (a.u) | 0.22 ± 0.15 | 0.28 ± 0.12 | 0.31 ± 0.09 | 0.31 ± 0.07* | 0.27 ± 0.1 | 0.36 ± 0.16 | 0.32 ± 0.08 | 0.30 ± 0.08 |
Peak SR | 110.4 ± 44.5 | 107.6 ± 46.6 | 115.6 ± 58.5 | 102.9 ± 47.2 | 50.2 ± 67.3 | 19.7 ± 13.6 | 26.8 ± 14 | 22.2 ± 10.2 |
SR auc (a.u) | 3083.7 ± 1505 | 3036 ± 1542.9 | 3039.2 ± 1755.9 | 2744.8 ± 1603.2 | 832.7 ± 232.9 | 449.5 ± 309.9 | 356.4 ± 221.1 | 525.3 ± 226.2 |
FMD:SR auc | 0.002 ± 0.001 | 0.002 ± 0.001 | 0.002 ± 0.001 | 0.004 ± 0.004 | 0.005 ± 0.005 | 0.128 ± 0.0341 | 0.003 ± 0.002 | 0.003 ± 0.002 |