Safety of geriatric patients undergoing endobronchial ultrasound-guided transbronchial needle aspiration with deep sedation: a retrospective study

Table 4 The differences of the values of the hemodynamic parameters and SpO₂ according to the time periods

Parameters	Group 1 ≥ 65 Age (n:156)	Group 2 ≤ 45 Age (n:124)	p-value
MPB (mmHg)
T2- T1	0.41 ± 8.62	1.19 ± 7.11	0.163
T3- T1	1.28 ± 12.29	2.70 ± 10.19	0.139
T4- T1	1.28 ± 13.38	2.73 ± 9.42	0.285
T5- T1	0.90 ± 13.65	2.99 ± 11.47	0.354
HR (beat/min)
T2- T1	0.96 ± 8.33	2.71 ± 8.30	0.198
T3- T1	1.10 ± 8.36	3.77 ± 9.28	0.056
T4- T1	1.15 ± 8.72	4.18 ± 1.14	0.012
T5- T1	1.56 ± 9.77	4.83 ± 11.22	0.017
SpO₂(%)
T2- T1	-0.29 ± 4.28	0.04 ± 1.86	0.856
T3- T1	-0.41 ± 3.44	-0.40 ± 1.92	0.535
T4- T1	-0.35 ± 2.63	-0.39 ± 2.01	0.870
T5- T1	-0.09 ± 2.42	-0.66 ± 3.43	0.575

MBP: Mean blood pressure. HR: Hearth rate. SpO₂: Peripheral oxygen saturation
T1: Before sedation, T2: After induction, T3: After the ultrasonic bronchoscope passed the vocal cords, T4, T5: Every 3 min during the procedure
Data are expressed as mean ± SD. p < 0.05: Significant statistically difference among group

ISSN: 1471-2253