2.

两组患者的血流动力学变化比较(x±s, n=20)

Comparative changes in hemodynamics between the two groups (x±s, n=20)

Variables	Baseline	Post-induction	After intubation						Maximal values
			0 min	1 min	2 min	3 min	4 min	5 min
SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; HR, heart rate; BIS, bispectral index; RPP, rate pressure product. 1 mmHg=0.133 kPa. *P<0.05, compared to baseline values; # P<0.05, compared to post-induction values; ☆P<0.05, compared to Group T.
SBP/mmHg
Group T	146.3±13.3	98.4±19.5*	160.6±41.4#	165.4±39.7*#	139.8±36.6#	128.4±31.4*#	122.9±25.3*#	118.0±26.0*#	187.6±40.4*#
Group E	139.3.±13.8	86.7±13.${6^{\mathrm{*}}}^{☆}$	112.9±20.${0^{\mathrm{*\#}}}^{☆}$	112.2±15.${7^{\mathrm{*\#}}}^{☆}$	101.8±12.${7^{\mathrm{*\#}}}^{☆}$	93.6±12.${3^{\mathrm{*}}}^{☆}$	89.8±12.${5^{\mathrm{*}}}^{☆}$	86.4±13.${1^{\mathrm{*}}}^{☆}$	131.4±19.${4^{\mathrm{\#}}}^{☆}$
DBP/mmHg
Group T	75.4±8.5	56.5±10.6*	94.8±25.3*#	93.2±21.6*#	83.0±21.1#	77.7±20.1#	74.0±19.6#	72.5±18.7#	112.3±17.9*#
Group E	71.9±8.6	48.0±7.${0^{\mathrm{*}}}^{☆}$	67.3±14.${2^{\mathrm{\#}}}^{☆}$	63.7±8.${4^{\mathrm{*\#}}}^{☆}$	58.4±8.${5^{\mathrm{*\#}}}^{☆}$	54.2±8.${2^{\mathrm{*\#}}}^{☆}$	52.0±8.${3^{\mathrm{*}}}^{☆}$	49.5±8.${8^{\mathrm{*}}}^{☆}$	76.3±12.${6^{\mathrm{\#}}}^{☆}$
MAP/mmHg
Group T	99.0±8.7	70.4±11.9*	116.7±30.1*#	117.3±23.8*#	101.9±22.6#	94.6±19.4#	90.3±16.9*#	87.6±16.2*#	137.4±22.9*#
Group E	94.3±9.0	60.9±8.${8^{\mathrm{*}}}^{☆}$	82.5±15.${9^{\mathrm{*\#}}}^{☆}$	79.8±10.${3^{\mathrm{*\#}}}^{☆}$	72.9±9.${6^{\mathrm{*\#}}}^{☆}$	67.3±9.${3^{\mathrm{*\#}}}^{☆}$	64.6±9.${4^{\mathrm{*}}}^{☆}$	61.8±10.${0^{\mathrm{*}}}^{☆}$	94.7±14.${1^{\mathrm{\#}}}^{☆}$
HR/(beats/min)
Group T	83.0±13.1	77.8±15.4	103.9±16.3*#	100.8±15.1*#	96.3±15.9*#	94.8±16.6*#	92.7±16.7*#	90.2±16.3#	114.8±16.5*#
Group E	78.7±9.8	72.0±10.8	82.0±14.${3^{\mathrm{*\#}}}^{☆}$	82.9±13.${3^{\mathrm{*\#}}}^{☆}$	80.6±12.${4^{\mathrm{\#}}}^{☆}$	79.0±12.${4^{\mathrm{\#}}}^{☆}$	77.6±12.${5^{\mathrm{\#}}}^{☆}$	76.2±13.1☆	92.8±11.9*#☆
BIS
Group T	96.5±1.5	23.5±6.1*	27.6±6.3*#	30.1±8.6*#	32.2±10.1*#	36.8±10.5*#	40.4±12.1*#	45.0±13.4*#	46.3±12.4*#
Group E	97.1±0.9	23.4±6.4*	26.3±2.8*	27.5±5.9*#	31.6±9.6*#	35.1±11.9*#	37.1±12.9*#	39.0±11.9*#	42.4±9.8*#
RPP
Group T	121 00.0± 1 884.9	7 601.4± 1 909.2*	16 804.0± 5 469.7*#	16 603.2± 4 452.3*#	13 434.7± 4 190.6#	12 123.5± 3 590.4#	11 317.5± 2 921.3#	10 595.8± 2 762.0#	21 544.7± 5 522.9*#
GroupE	11 260.7± 1 610.1	6 929.1± 1 557.8*	9 428.5± 3 085.${5^{\mathrm{\#}}}^{☆}$	9 319.4± 2 149.${7^{\mathrm{\#}}}^{☆}$	8 259.5± 1 996.${2^{\mathrm{*\#}}}^{☆}$	7 449.2± 1 896.${1^{\mathrm{*\#}}}^{☆}$	7 013.5± 1 812.${5^{\mathrm{*}}}^{☆}$	6 631.4± 1 825.8*☆	12 245.1± 2 611.9*#☆