20 June 2021>: Clinical Research
Alveolar Recruitment Maneuver Reduces Cerebral Oxygen Saturation and Cerebral Blood Flow Velocity in Patients During Carotid Endarterectomy
Lixia Li ABCDEF , Lei Zhao AEG* , Tianlong Wang AG , Na Xu BE , Ping Wang BC , Yi An BC , Zhongjia Li EF , Liqun Jiao A , Bin Yang AB , Yang Hua AEDOI: 10.12659/MSM.930617
Med Sci Monit 2021; 27:e930617
Table 2 Comparison of pre- and post-RM and pre- and post-SM.
Variable | Pre-RM | Post-RM | Pre-SM | Post-SM |
---|---|---|---|---|
HR (beat/min) | 54±8 | 53±8* | 56±8 | 56±8 |
MAP (mmHg) | 97±9 | 71±14* | 97±9 | 100±9 |
IrSO (%) | 69±4 | 64±5* | 68±4 | 69±4 |
CrSO (%) | 68±5 | 65±5* | 68±5 | 69±4 |
IV-MCA (cm/s) | 39±11 | 29±12* | 39±11 | 45±14** |
CV-MCA (cm/s) | 47±15 | 38±15* | 47±15 | 57±19** |
PaCO (mmHg) | 38±4 | 31±8* | 37±4 | 40±6** |
* ** CrSO – the rSO value of the contralateral side; CV-MCA – the V-MCA value of the contralateral side; HR – heart rate; IrSO – the rSO value of the surgical side (ipsilateral rSO); IV-MCA – the V-MCA value of the surgical side (ipsilateral V-MCA); MAP – mean arterial pressure; PaCO – arterial partial pressure of carbon dioxide; RM –recruitment maneuver; SM – sham maneuver. |