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Table 2: Doppler characteristics, vitals, and laboratory values
Baseline Maximum Change Relative Change (%)
Infusion Side No Infusion Side Infusion Side No Infusion Side Infusion Side No Infusion Side
TCD (n = 6) 
    Systolic velocity 101 ± 27 cm/s 83 ± 24 cm/s 73 ± 18 cm/s 78 ± 21 cm/s −26 ± 8^a −4 ± 27^a
    Diastolic velocity 47 ± 23 cm/s 42 ± 18 cm/s 29 ± 16 cm/s 38 ± 17 cm/s −38 ± 16^b −6 ± 38^b
    PI 0.849 ± 0.354 0.738 ± 0.209 1.091 ± 0.373 0.908 ± 0.288 21 ± 2 14 ± 23
Vitals (n = 18) Absolute change^c
    Heart rate (beats/minute) 71 ± 9 75 ± 24 10 ± 25
    Blood pressure (mm Hg) Systemic 113 ± 16 Systemic 120 ± 11 Systemic 7 ± 12
Diastolic 65 ± 10 Diastolic 72 ± 13 Diastolic 11 ± 21
Laboratory values (n = 9) 
    ΔA-V oxygen content (mL O₂/100 mL) 5.1 ± 2.1 5.3 ± 1.4 0.2 ± 1.0
    Hematocrit, local (%) 35.8 ± 4.7 34.4 ± 5.1 −1.3 ± 0.9
    Hematocrit, systemic (%) 37.9 ± 6.0 36.0 ± 5.4 −1.2 ± 1.1
    Catecholamines (n = 5) 
        Epinephrine (pg/mL) 0 3 ± 6^c 
        Norepinephrine (pg/mL) 167 ± 30 166 ± 45^c 
a Note:— P = .009;
b  not significant, P = .065;
c  not significant.