Research Article

Large Artery Remodeling and Dynamics following Simulated Microgravity by Prolonged Head-Down Tilt Bed Rest in Humans

Table 1

Main anthropometric and hemodynamic characteristics and hematocrit in 10 healthy volunteers before and after HDTBR.

ā€‰Before After

Weight (kg)<0.01
BMI (kg/m2)<0.05
Fat-free mass (kg)<0.0001
Hematocrit (%)0.001
Systolic BP (mmHg)0.51
Diastolic BP (mmHg)0.33
Pulse pressure (mmHg)0.19
Heart rate (bpm)<0.005
Stroke volume (mL)<0.01
FVI ascending aorta (cm)0.01

BMI: body mass index; FFM: fat-free mass; BP: blood pressure; FVI: flow-velocity integral.