Table 2

Hemodynamic variables before and during clonidine treatment. Median (range) values at supine rest (baseline) and the response (Δ) to 20 deg. head-up tilt-test
Baseline Δ (Tilt - Baseline)
Before clonidine During clonidine Before clonidine During clonidine
HR (beats/min) 69.5 65.4 1.7 1.4
(63.1-107.1) (59.5-88.0) (−0.1-4.4) (−1.0-6.7)
SBP (mm Hg) 101.8 101.2 0.9 −1.5
(91.0-104.9) (96.2-107.4) (−10.4-5.1) (−5.7-9.0)
MBP (mm Hg) 76.1 74.0 2.5 −2.0
(65.4-76.1) (68.9-80.8) (−9.5-5.6) (−3.7-2.0)
DBP (mm Hg) 62.1 59.1 4.0 −2.8
(53.5-70.6) (57.4-64.0) (−9.4-4.6) (−3.2-0.8)
SI (ml/m2) 50.4 42.7 −4.8 −3.4
(32.1-62.2) (34.6-78.2) (−6.0--2.8) (−8.2--1.3)
CI (l/min/m2) 3.4 3.0 −0.3 −0.1
(3.3-3.9) (2.5-4.7) (−0.3-0.0) (−0.4-0.0)
TPRI (mm Hg/l/min/m2) 9.0 9.0 0.8 0.3
(6.3-9.6) (5.2-13.2) (−0.3-1.6) (−0.1-1.1)
LF/HF 0.56 0.57 0.58 0.36
(0.30-0.93) (0.38-0.64) (−0.05-0.82) (−0.01-0.68)

HR=heart rate; SBP=systolic blood pressure; MBP=mean arterial blood pressure; DBP=diastolic blood pressure; SI=stroke index; CI=cardiac index; TPRI=total peripheral resistance index; LF/HF=low-frequency:high-frequency heart rate variability ratio.

Fagermoen et al.

Fagermoen et al. BMC Research Notes 2012 5:418   doi:10.1186/1756-0500-5-418

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