Skip to main content
. 2012 Aug 23;3:338. doi: 10.3389/fphys.2012.00338

Table 3.

Coronary flow velocity response to cold pressor test (CPT).

Pravastatin p Placebo p p Healthy controls
Pre-intervention Post-intervention Pre vs. post Pre-intervention Post-intervention Pre vs. post Pravastatin vs Placebo post Control vs. pre-intervention T1DM
Baseline flow velocity (m/s) 0.23 ± 0.06 0.25 ± 0.07 0.29 0.22 ± 0.08 0.21 ± 0.06 0.31 0.08 0.22 ± 0.05 0.78
CPT flow velocity (m/s) 0.33 ± 0.08 0.37 ± 0.14 0.22 0.31 ± 0.10 0.30 ± 0.10 0.61 0.11 0.41 ± 0.13 0.002*
CPT flow/baseline flow (% increase) 46 ± 24 51 ± 39 0.19 45 ± 46 49 ± 51 0.94 0.93 86 ± 45 <0.001*
Acceleration slope to the peak (1 /s) 0.0074 ± 0.008 0.0147 ± 0.016 0.02* 0.0069 ± 0.011 0.0047 ± 0.005 0.15 0.05* 0.0084 ± 0.0054 0.06
Time to peak flow (s) 58 ± 22 50 ± 21 0.18 55 ± 18 69 ± 25 0.16 0.02* 39 ± 21 0.002*

Baseline flow, maximal flow during CPT, the percent increase of flow during CPT, acceleration slope to peak flow velocity during CPT and the time to the peak mean diastolic velocity during CPT. The average acceleration (slope) to the peak = hyperemia to baseline value/time to attain the peak

*

p ≤ 0.05.