Table 1 The characteristics of included RCTs
RCT | Sample size | Age | Interventions | Outcomes | |||||
|---|---|---|---|---|---|---|---|---|---|
Milrinone group | Control group | Milrinone group | Control group | Milrinone group | Control group | ||||
Chen 2015 | 25 | 25 | 1.7 ± 0.5 | 1.5 ± 0.3 | Routine treatment + milrinone injection intravenous drip at 0.5 pg/µg/(kg-min). | Routine treatment | ①⑤ | ||
Huang 2017 | 55 | 55 | 1.78 ± 0.41 | 1.74 ± 0.42 | Routine treatment + milrinone injection intravenous drip at 0.5 pg/µg/(kg-min). | Routine treatment | ①②③⑤ | ||
Lin 2021 | 48 | 46 | 4.5 ± 0.7 | 4.7 ± 0.8 | Routine treatment + milrinone injection intravenous drip at 0.25 ~ 1 µg/(kg-min). | Routine treatment | ①⑤ | ||
Ma 2020 | 39 | 39 | 2.84 ± 0.43 | 2.91 ± 0.46 | Routine treatment + milrinone injection intravenous drip at 0.05 µg/(kg-min). | Routine treatment | ①②③⑤ | ||
Tang 2018 | 43 | 43 | 1.4 ± 0.3 | 1.3 ± 0.2 | Routine treatment + milrinone injection intravenous drip at 0.25 ~ 0.75 µg/(kg-min). | Routine treatment | ①②③④⑤ | ||
Wang 2020 | 31 | 31 | 0.41 ± 0.02 | 0.40 ± 0.02 | Routine treatment + milrinone injection intravenous drip at 0.5 pg/µg/(kg-min). | Routine treatment | ①⑤ | ||
Wu 2016 | 50 | 50 | 7.28 ± 1.39 | 7.2 ± 1.3 | Routine treatment + milrinone injection intravenous drip at 0.25 ~ 0.75 µg/(kg-min). | Routine treatment | ①④⑤ | ||
Wu 2017 | 50 | 50 | 7.28 ± 1.39 | 7. 2 ± 1. 3 | Routine treatment + milrinone injection intravenous drip at 0.25 ~ 0.75 µg/(kg-min). | Routine treatment | ①⑤ | ||