Dexmedetomidine for tracheal extubation in deeply anesthetized adult patients after otologic surgery: a comparison with remifentanil

Table 3 Respiratory profiles at extubation

Study group	Group SR	Group SD5	Group SD7	P value
Study group	(n = 25)	(n = 24)	(n = 25)	P value
Respiratory rate (breaths /min)	6.9 ± 1.8	12.3 ± 5.2 ^{^^}	12.2 ± 3.5**	<0.0001
Tidal volume (ml)	397.2 ± 136.9	275.7 ± 76.4^{^^}	266.2 ± 70.3**	<0.0001
ETCO₂ (mm Hg)	55.6 ± 10.3	52.3 ± 9.3	51.4 ± 8.6	0.26

Data are expressed as mean ± standard deviation
SR sevoflurane-remifentanil group, SD5 sevoflurane-dexmedetomidine group (0.5 μg/kg), SD7 sevoflurane-dexmedetomidine group (0.7 μg /kg)
**P < 0.001 (One-way ANOVA test), Group SD7 compared to Group SR ^{^^}P < 0.001 (One-way ANOVA test), Group SD5 compared to Group SR

ISSN: 1471-2253