The Korean Journal of Sports Medicine

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Table. 3.

Table. 3.

Effects of postexercise cigarette smoking on conduit vessel function during recovery from exercise

Variable Trial Baseline Post 30 min p-value

Time Trial Interaction
Resting diameter (mm) Cigarette 3.98±0.46 4.02±0.49 0.717 0.695 0.256
Sham 4.00±0.43 3.98±0.44
Resting shear rate (sec−1) Cigarette 378±142 331±84 0.242 0.122 0.740
Sham 319±126 286±115
Peak diameter (mm) Cigarette 4.22±0.49 4.24±0.54 0.030 0.583 0.185
Sham 4.21±0.46 4.30±0.49*
Absolute FMD (mm) Cigarette 0.24±0.15 0.23±0.11 0.021 0.297 0.031
Sham 0.21±0.09 0.33±0.17*
Percent FMD (%) Cigarette 6.00±3.77 5.67±2.54 0.042 0.257 0.029
Sham 5.47±2.80 8.16±4.37*
Shear rate AUC Cigarette 16,073±8,315 20,715±10,698 0.840 0.518 0.005
Sham 22,516±10,374 17,009±7,393*
Time to peak vasodilation (sec) Cigarette 64±17 66±17 0.862 0.230 0.833
Sham 60±22 59±15
Percent FMD (%)/shear rate AUC ratio (10−3 AU) Cigarette 0.46±0.33 0.36±0.29 0.668 0.362 0.959
Sham 0.72±1.76 0.59±0.44
ANCOVA-corrected percent FMD (%) Cigarette 6.00±3.77 5.67±2.54 0.734 0.643 0.053
Sham 5.47±2.80 8.16±4.37*

Values are presented as mean±standard deviation.

FMD: flow-mediated dilation, AUC: area-under-the-curve, AU: axillary unit, ANCOVA: analysis of covariance.

*p<0.05: different from baseline, p<0.05: different from the sham trial.

Korean J Sports Med 2021;39:160-9 https://doi.org/10.5763/kjsm.2021.39.4.160
© 2021 Korean J Sports Med