Two-minute disconnection technique with a double-lumen tube to speed the collapse of the non-ventilated lung for one-lung ventilation in thoracoscopic surgery

Table 2 Clinical outcomes

Variable	Group N (n = 20)	Group C (n = 20)	P
Time required for lung collapse (min)	15 ± 3.7	22 ± 3.6	<0.001
Time required for pleural opening (s)	85 ± 6.7	88 ± 6.6	=0.176
Overall satisfaction of the surgeon	9 ± 0.6	7 ± 1.2	<0.001
Intraoperative hypoxaemia (n)	2	1	=1.000
Intraoperative use of CPAP during OLV (n)	2	1	=1.000
Duration of anaesthesia (min)	124 ± 27.9	125 ± 28.9	=0.847
Duration of awakening (min)	18 ± 3.2	19 ± 5.3	=0.616

The data are expressed as the mean ± SD values or the number of patients. CPAP, continuous positive airway pressure; OLV, one-lung ventilation. P < 0.05 was statistically significant compared with group C

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