04 October 2020>: Clinical Research
The Potential Role of Lung-Protective Ventilation in Preventing Postoperative Delirium in Elderly Patients Undergoing Prone Spinal Surgery: A Preliminary Study
Jing Wang 1ABCEF* , Lian Zhu 2ABCEF* , Yanan Li 1BCE , Chunping Yin 1BCE , Zhiyong Hou 2CEF , Qiujun Wang 1ADEG*DOI: 10.12659/MSM.926526
Med Sci Monit 2020; 26:e926526
Table 2 Blood gas parameters over time in patients who received LPV or conventional MV (n=32 each).
Group | T0 | T1 | T2 | T3 | T4 | |
---|---|---|---|---|---|---|
pH | MV | 7.43±0.04 | 7.41±0.05 | 7.41±0.04 | 7.38±0.05 | 7.33±0.06 |
LPV | 7.43±0.05 | 7.40±0.07 | 7.38±0.05* | 7.37±0.05 | 7.33±0.08 | |
PaO (mmHg) | MV | 95 (16) | 344 (131) | 371 (128) | 372 (164) | 112 (48) |
LPV | 92 (15) | 406 (103)* | 417 (95) | 407 (118) | 162 (138)* | |
PaCO (mmHg) | MV | 36±4 | 36±6 | 36±5 | 39±6 | 45±8 |
LPV | 36±4 | 38±7 | 40±6* | 40±5 | 45±10 | |
SaO (%) | MV | 97.1 (1.7) | 99.6 (0.3) | 99.6 (0.5) | 99.6 (0.5) | 97.6 (2.5) |
LPV | 97.0 (2.0) | 99.7 (0.4)* | 99.7 (0.4) | 99.7 (0.3) | 98.8 (1.9)* | |
PaO/FiO (mmHg) | MV | 95 (16) | 344 (131) | 371 (128) | 372 (164) | 112 (48) |
LPV | 92 (15) | 406 (103)* | 417 (95) | 407 (118) | 162 (138)* | |
Values expressed as mean±standard deviation or as median (interquartile range). * T – immediately before anesthesia induction; T – 10 min after turning over; T – 60 min after turning over; T – immediately after the operation; T – 15 min after extubation; MV – conventional mechanical ventilation; LPV – lung-protective ventilation. |