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- W4382502600 abstract "Abstract Objective To evaluate the effect of the individualized positive end-expiratory pressure (PEEP) lung protection ventilation strategy by combining driving pressure (ΔP) and pulmonary ultrasound (LUS)-based titration on lung function and postoperative cognitive function in patients with chronic obstructive pulmonary disease (COPD) during laparoscopic surgery. Methods A total of 108 patients with COPD undergoing laparoscopic gastrointestinal surgery under general anesthesia were included in this study. They were randomly divided into three groups (n = 36): traditional volume ventilation group (Group C), fixed PEEP 5 cmH 2 O group (Group P), and ΔP combined with LUS-based PEEP titration in the resuscitation room group (Group T). All three groups were given volume ventilation mode, I:E = 1:2; In group C, VT was 10 mL/kg and PEEP was 0 cmH 2 O; In groups P and T, VT was 6 mL/kg and PEEP was 5 cmH 2 O; After mechanical ventilation for 15 min in Group T, ΔP in combination with LUS was used to titrate PEEP. The oxygenation index (PaO2/FiO2), airway platform pressure (Pplat), dynamic lung compliance (Cdyn), Montreal Cognitive Assessment (MoCA), and venous interleukin-6(IL-6) were recorded at the corresponding time points, and the final PEEP value in Group T was recorded. Results The final PEEP value of Group T was (6.4 ± 1.2) cmH 2 O; Compared with groups C and P: PaO 2 /FiO 2 and Cdyn in Group T were significantly increased ( P < 0.05) and value of IL-6 was significantly decreased ( P < 0.05) at the corresponding time points. Compared with group C, the MoCA score on day 7 after surgery in Group T was significantly higher ( P < 0.05). Conclusion Compared with the traditional ventilation strategy, the individualized ΔP combined with LUS-based PEEP titration in patients with COPD during the perioperative period of laparoscopic surgery can play a better role in lung protection and can improve postoperative cognitive function." @default.
- W4382502600 created "2023-06-30" @default.
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- W4382502600 date "2023-06-28" @default.
- W4382502600 modified "2023-10-09" @default.
- W4382502600 title "Effect of individualized PEEP titration by ultrasonography on perioperative pulmonary protection and postoperative cognitive function in patients with chronic obstructive pulmonary disease" @default.
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- W4382502600 doi "https://doi.org/10.1186/s12890-023-02471-y" @default.
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