“…Insufficient studies were free of these issues to allow meta-analysis. Extracorporeal life support (ECLS) was the most common theme (21 articles) [ 20 , 21 , 23 – 27 , 31 , 34 , 35 , 37 , 43 – 51 ] followed by ventilatory strategies (14 articles) [ 9 , 10 , 15 , 17 , 19 , 28 , 29 , 32 , 38 – 41 , 53 , 54 ], the use of prophylactic antibiotics to prevent aspiration or early onset post-drowning pneumonia (14 articles) [ 9 , 10 , 16 – 18 , 30 , 33 , 36 , 38 – 41 ], the use of corticosteroids (7 articles) [ 16 , 18 , 33 , 36 , 40 , 41 , 52 ] and the use of diuretics (5 articles) [ 9 , 18 , 40 , 41 , 52 ]. A summary of the aims, the population studied, the study setting, treatment strategies, methodology, results and GRADE level of the selected studies is included in Additional file 3 .…”