The impact of fluid resuscitation on clinical outcome of pediatric septic shock: a meta-analysis　LIU Jie^1,2, TAO Yexuan^2,3, CAI Wei^1,2,3 (1.Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine; 2.The Key Laboratory of Pediatric Gastroenterology and Nutrition of Shanghai; 3.Department of Nutrition, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200092, China)