Arterial blood flow | Venous blood flow | CSF flow | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline ± SD | HDT ± SD | %Δ | p-value | Baseline ± SD | HDT ± SD | %Δ | p -value | Baseline ± SD | HDT ± SD | %Δ | p-value | ||
Average flow rate (mL/min) | 867 ± 172 | 819 ± 177 | −6 % | 0.040* | −551 ± 214 | −572 ± 157 | + 4 % | 0.30 | – | – | – | – | |
Systolic Peak flow rate (mL/min) | 570 ± 108 | 522 ± 102 | −8 % | 0.040* | −474 ± 384 | −576 ± 222 | + 22 % | 0.24 | −234 ± 84 | −186 ± 66 | −21 % | 0.0088* | |
Diastolic Peak flow rate (mL/min) | 444 ± 114 | 408 ± 90 | −8 % | 0.20 | −498 ± 240 | −492 ± 144 | −1 % | 0.93 | 138 ± 35 | 126 ± 52 | −9 % | 0.26 | |
PtPPA (mL/min) | 510 ± 126 | 450 ± 126 | −12 % | 0.020* | −456 ± 276 | −486 ± 264 | + 7 % | 0.24 | 372 ± 108 | 312 ± 102 | −16 % | 0.00098* | |
Flow volume/ cardiac cycle (mL/cardiac cycle) | 15 ± 2.8 | 14 ± 3.4 | −7 % | 0.43 | 10 ± 4.6 | 10 ± 2.4 | 0 % | 0.99 | 0.77 ± 0.20 | 0.68 ± 0.16 | −12 % | 0.10 | |
CSA (mm2) | 41 ± 7.6 | 43 ± 8.8 | + 5 % | 0.32 | 82 ± 31 | 94 ± 40 | + 15 % | 0.0050* | – | – | – | – |