Comparison of the Effectiveness of Transnasal Humidified Rapid Insufflation Ventilator Exchange (THRIVE) with Facemask Pre-Oxygenation in 40 Patients ≥65 Years of Age Undergoing General Anaesthesia During Gastrointestinal Surgery for Intestinal Obstruction

03 December 2022: Clinical Research

Wanling Wang ^AE , Wenwen Zhang ^ABCE , Yu Lu ^C , Yajie Xu ^BEF , Yong Zhang ^CF , Hongwei Shi ^BF , Xiaoliang Wang ^AE*

DOI: 10.12659/MSM.938168

Med Sci Monit 2022; 28:e938168

Table 3 Comparison of PaCO2 and PETCO2 after intubation between the facemask and THRIVE groups.

	Group M (n=20)	Group T (n=20)	P
T0	36.3±4.1	38.0±3.7	0.178
T1	35.3±4.8	37.7±3.9	0.083
T2	47.0±4.9^#	50.7±6.0,,^*	0.040
T3	55.4±5.9,^#	63.4±7.2,,^*	0.001
PETCO after intubation	48.1±3.9	57.0±5.6^*
T0, entering the operating room while breathing room air; T1, after 5 minutes of pre-oxygenation; T2, after successful endotracheal intubation; T3, safe apnea time up to 480 s or SpO down to 95%. Group M – pre-oxygenation with facemask; Group T – pre-oxygenation with THRIVE. Data are presented as mean±standard deviation. : Group M vs Group T; ^* ^# ^&