The effects of adaptive support ventilation on respiratory mechanics in elderly patients
10.3760/cma.j.issn.1671-0282.2015.12.026
- VernacularTitle:适应性支持通气对老年机械通气患者呼吸力学的影响
- Author:
Yeping BIAN
;
Yonghui GU
;
Xiaojing DENG
;
Hui CHENG
;
Jian XU
- Publication Type:Journal Article
- Keywords:
Elderly;
Mechanical ventilation;
Adaptive support ventilation;
Synchronized intermittent mandatory ventilation;
Respiratory mechanics;
Hemodynamics;
Oxygen dynamics;
Comfort degree
- From:
Chinese Journal of Emergency Medicine
2015;24(12):1445-1448
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the clinical application of adaptive support ventilation (ASV) in elderly patients with acute respiratory failure.Methods A total of 46 mechanically ventilated patients aged over 65 years with acute respiratory failure admitted from January 2013 to June 2015 were enrolled.Comparison between the ASV mode and synchronized intermittent mandatory ventilation (SIMV) mode was carried out in respects of the impacts of both modes on respiratory mechanics, hemodynamics, oxygen availability and comfort rate.Results Difference between ASV and SIMV in respiratory rate was [(20.84 ±4.04) vs.(24.50 ±4.60) cycles/min, t =4.04, P ＜0.05], in inspiratory resistance was [(13.24 ±4.76) vs.(16.54±5.25) cmH2O/ (L·s), t=3.16, P＜0.05], in mean airway pressure was [(13.58±2.58) vs.(16.63 ±1.57) mmHg, t =6.84, P＜0.05], in peak airway pressure was [(25.96 ± 3.69) vs.(27.87 ± 2.45) mmHg, t =2.92, P ＜ 0.05], and tidal volume was [(378.41 ± 85.61) vs.(341.52 ± 86.84) mL, t =2.05, P ＜ 0.05], and comfort rate of patients was increased in ASV mode.There were no statistically significant differences in arterial oxygen partial pressure, carbon dioxide partial pressure, lactate, heart rate, mean arterial pressure and central venous pressure between the two modes (PP ＞ 0.05).Conclusions Compared with the synchronized intermittent mandatory ventilation mode, the adaptive support ventilation mode can improve the respiratory mechanics and can increase the comfort rate in the elderly patients with mechanical ventilation.
