Table 3.

FMD, PORH, and arterial stiffness measures in HT and CON

Group	Pre	Mid	Post
Pre-IR FMD, %
HT	7.6 ± 2.8	9.5 ± 1.7	9.2 ± 2.2
CON	8.7 ± 1.7	8.6 ± 2.8	8.1 ± 2.9
Post-IR FMD, %
HT	5.6 ± 2.7#	8.7 ± 2.4*	9.5 ± 1.8*†
CON	7.7 ± 3.6#	6.7 ± 1.7#	6.3 ± 2.8#
Brachial artery diameter, cm
HT	0.315 ± 0.075	0.326 ± 0.072*	0.337 ± 0.066*†
CON	0.302 ± 0.081	0.304 ± 0.084	0.306 ± 0.073
Pre-IR FMD, shear-corrected
HT	3.7 ± 0.9	6.3 ± 2.1*	6.5 ± 2.5*†
CON	4.7 ± 1.5	4.2 ± 1.1	4.0 ± 0.8
Post-IR FMD, shear-corrected
HT	3.4 ± 0.9	5.2 ± 1.3*	5.7 ± 2.6*†
CON	3.9 ± 2.5	3.2 ± 1.1	3.0 ± 1.2
Pre-IR peak PORH, fold ∆
HT	1.0 ± 0	1.0 ± 0.1	1.2 ± 0.2
CON	1.0 ± 0	1.0 ± 0.1	1.0 ± 0.2
Post-IR peak PORH, fold ∆
HT	0.6 ± 0.2#	0.9 ± 0.3*	1.1 ± 0.4*†
CON	0.7 ± 0.2#	0.6 ± 0.2#	0.7 ± 0.2#
Pre-IR AUC PORH (fold ∆)
HT	1.0 ± 0	1.3 ± 0.4*	1.3 ± 0.2*
CON	1.0 ± 0	1.0 ± 0.2	1.0 ± 0.2
Post-IR AUC PORH, fold ∆
HT	0.7 ± 0.2#	0.9 ± 0.4	1.2 ± 0.4*†
CON	0.8 ± 0.3#	0.7 ± 0.3#	0.7 ± 0.3#
Carotid-femoral PWV, cm/s
HT	698 ± 69	711 ± 79	689 ± 45
CON	697 ± 59	690 ± 72	680 ± 68
Brachial-ankle PWV, cm/s
HT	870 ± 81	844 ± 95	798 ± 72*
CON	869 ± 86	841 ± 84	845 ± 82

Values are means ± SD. AUC, area under the curve; CON, control; FMD, flow-mediated dilation; HT, heat therapy; IR, ischemia-reperfusion; PORH, postocclusive reactive hyperemia; PWV, pulse-wave velocity.

^*Significant (P < 0.05) difference from Pre within group;

^#Significant difference (P < 0.05) from Pre-IR;

^†Significant difference (P < 0.05) from CON in Post.