Yuan-Bin Chen1,2,3, Qiao Liu4, Han Xie2,3, Shuo-Miao Yin1, Lei Wu2,3, Xu-Hua Yu2,3, Long Fan2,3, Lin Lin5,6,7. 1. Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, 510403, China. 2. Department of Respiratory Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China. 3. Department of Respiratory Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China. 4. Department of Internal Medicine, Heyuan Hospital of Traditional Chinese Medicine, Heyuan, 517000, Guangdong Province, China. 5. Department of Respiratory Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China. drlinlin620@163.com. 6. Department of Respiratory Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China. drlinlin620@163.com. 7. ZHOU Zhong-ying Famous Doctors' Workshop of Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China. drlinlin620@163.com.
Abstract
OBJECTIVE: To assess the efficacy and safety of Chinese medicine injection (CMI) for treating acute lung injury/acute respiratory distress syndrome (ALI/ARDS). METHODS: Randomized controlled trials (RCTs) were identified by searching 3 English databases and 4 Chinese databases from their inceptions until February 2019. The Cochrane Handbook was used to evaluate risk of bias in the included studies. Data analysis was conducted using RevMan 5.3.3 software. RESULTS: A total of 19 eligible RCTs involving 1,334 participants was included in this systematic review and meta-analysis. The main meta-analysis showed that CMI combined with conventional therapy (CT) was more effective than CT alone in reducing the acute physiology and chronic health evaluation (APACHE) H score [mean difference (MD): -1.74 points, 95% confidence interval (CI): -2.77 to -0.71, I2=0] and increasing the total effective rate [relative risk (RR): 1.35, 95% CI: 1.17 to 1.56, I2=37%]. Compared with CT, CMI combined with CT showed improvements in the arterial partial pressure of oxygen (PaO2, MD: 9.25 mm Hg, 95% CI: 0.87 to 17.63, I2=98%) and oxygenation index [arterial partial pressure of oxygen (PaO2)/fraction of inspired oxygen (FiO2), MD: 50.75 mm Hg, 95% CI: 35.18 to 66.31, I2=94%]. CMI plus CT was superior to CT in reducing the systemic inflammatory response syndrome (SIRS) score (MD: -0.84 points, 95% CI: -1.26 to -0.42, I2=65%), length of hospital stay (MD: -4.22 days, 95% CI: -6.49 to -1.95, I2=92%), and duration of mechanical ventilation (MD: -2.94 days, 95% CI: -4.68 to -1.21, I2=89%). Only 1 study reported adverse events. CONCLUSIONS: CMI as an adjuvant therapy showed great potential benefits for the treatment of ALI/ARDS. However, we could not make a definite conclusion due to low quality of included studies and uncertain security. Future studies should focus on improving research design, especially in blindness and placebo. The reporting of adverse events was also needed.
OBJECTIVE: To assess the efficacy and safety of Chinese medicine injection (CMI) for treating acute lung injury/acute respiratory distress syndrome (ALI/ARDS). METHODS: Randomized controlled trials (RCTs) were identified by searching 3 English databases and 4 Chinese databases from their inceptions until February 2019. The Cochrane Handbook was used to evaluate risk of bias in the included studies. Data analysis was conducted using RevMan 5.3.3 software. RESULTS: A total of 19 eligible RCTs involving 1,334 participants was included in this systematic review and meta-analysis. The main meta-analysis showed that CMI combined with conventional therapy (CT) was more effective than CT alone in reducing the acute physiology and chronic health evaluation (APACHE) H score [mean difference (MD): -1.74 points, 95% confidence interval (CI): -2.77 to -0.71, I2=0] and increasing the total effective rate [relative risk (RR): 1.35, 95% CI: 1.17 to 1.56, I2=37%]. Compared with CT, CMI combined with CT showed improvements in the arterial partial pressure of oxygen (PaO2, MD: 9.25 mm Hg, 95% CI: 0.87 to 17.63, I2=98%) and oxygenation index [arterial partial pressure of oxygen (PaO2)/fraction of inspired oxygen (FiO2), MD: 50.75 mm Hg, 95% CI: 35.18 to 66.31, I2=94%]. CMI plus CT was superior to CT in reducing the systemic inflammatory response syndrome (SIRS) score (MD: -0.84 points, 95% CI: -1.26 to -0.42, I2=65%), length of hospital stay (MD: -4.22 days, 95% CI: -6.49 to -1.95, I2=92%), and duration of mechanical ventilation (MD: -2.94 days, 95% CI: -4.68 to -1.21, I2=89%). Only 1 study reported adverse events. CONCLUSIONS: CMI as an adjuvant therapy showed great potential benefits for the treatment of ALI/ARDS. However, we could not make a definite conclusion due to low quality of included studies and uncertain security. Future studies should focus on improving research design, especially in blindness and placebo. The reporting of adverse events was also needed.
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Keywords:
Chinese medicine injection; acute lung injury; acute respiratory distress syndrome; systematic review