(A) Dependent variable gain of cardiopulmonary reflex: | ||
---|---|---|
Gain in FVR reflex (U/cm/H2O) | ||
r | p Value | |
E/A ratio | −0.48* | 0.01 |
LVEF (%) | −0.37 | 0.01 |
FS (%) | 0.02 | – |
ESS (kdyne/cm2) | 0.18 | – |
Vcf (s−1) | −0.13 | – |
Left atrium (mm) | −0.20 | – |
Posterior wall (mm) | 0.10 | – |
LVM (g) | 0.10 | – |
Septum (mm) | 0.04 | – |
LVSD (mm) | 0.03 | – |
LVDD (mm) | 0.05 | – |
RWT | −0.03 | – |
(B) Dependent variable walk corridor test: | ||
---|---|---|
Walk corridor test (m) | ||
r | p Value | |
*Independent variables at stepwise regression analysis. | ||
E/A ratio, ratio of early maximum (E) to atrial (A) left ventricular filling inflow velocity; ESS, end systolic stress; FBF, forearm blood flow; FS, fractional shortening; FVR, forearm vascular resistance; LVDD, left ventricular diastolic diameter; LVEF, left ventricular ejection fraction; LVM, left ventricular mass; LVSD, left ventricular systolic diameter; RWT, relative wall thickness; Vcf, mean velocity of circumferential fibre shortening. | ||
Gain in FVR reflex (U/mm Hg) | −0.57* | 0.01 |
LVEF (%) | 0.47 | 0.01 |
Posterior wall (mm) | −0.39* | 0.01 |
Left atrium (mm) | −0.33* | 0.05 |
LVM (g) | −0.30 | – |
Vcf (s−1) | 0.29 | – |
FS (%) | 0.26 | – |
ESS (kdyne/cm2) | −0.26 | – |
LVSD (mm) | −0.24 | – |
LVDD (mm) | −0.16 | – |
E/A ratio | 0.13 | – |
Septum (mm) | −0.02 | – |
RWT | −0.01 | – |