• Department of Intensive Medicine, The First Hospital of Lanzhou University, Lanzhou, Gansu 730000, P. R. China;
ZHANG Zhigang, Email: zzg3444@163.com
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Objectives To investigate the effect of prone position ventilation (PPV) on patients with acute respiratory distress syndrome (ARDS).Methods Patients with ARDS who received PPV treatment in the this hospital were enrolled from January 1, 2017 to December 31, 2017. The changes in heart rate, respiratory mechanics and blood gas index before and after PPV in patients, the inhaled oxygen concentration (FiO2), oxygenation index (PaO2/FiO2), pressure sore and other related complications were observed and compared in patients before and after PPV.Results A total of 28 patients with ARDS were registered, including 21 males and 7 females. Fourteen patients were complicated with chronic obstructive pulmonary disease (COPD) and 20 were dead in 28 days. After PPV, the peak pressure and plateau pressure decreased significantly, PaO2 and SaO2 increased significantly, system compliance improved considerably but PaCO2 did not change. There was no significant difference in the changes of heart reat, respiratory rate, minute volume, tidal volume and positive end-expiratory pressure between before and after PPV. FiO2 decreased significantly, PaO2/FiO2 increased significantly, and pressure sore increased significantly on day 1 post-PPV in comparison to pre-PPV and on day 7 post-PPV in comparison to day 1 post-PPV. A total of 13 unplanned extubation occurred during the entire PPV procedure, 9 of them were gastric tube slipping, 2 were urethral catheter slipping, 1 was tracheal tube slipping, and 1 was deep venous catheter slipping. There were 17 cases of artificial airway obstruction, 7 cases of hypotension, 3 cases of arrhythmia, and 4 cases of keratitis. In the subgroup analysis, the age of the patients complicated with COPD was significantly higher, but there was no difference in additional baseline data and the survival rate.Conclusion PPV can significantly improve the patient's respiratory status, especially oxygenation and respiratory mechanics, but PPV can increase the incidence of complications such as pressure sore, and PPV does not improve the prognosis.

Citation: YUE Weigang, ZHANG Yin, JIANG Youfei, YUAN Peng, YIN Ruiyuan, FENG Xin, ZHU Lei, GUO Hong, YIN Chao, ZHANG Lei, LI Bin, ZHANG Zhigang. Effect of prone position ventilation on patients with acute respiratory distress syndrome. Chinese Journal of Respiratory and Critical Care Medicine, 2019, 18(6): 532-536. doi: 10.7507/1671-6205.201807029 Copy

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