Assessment of fluid responsiveness using pulse pressure variation, stroke volume variation, plethysmographic variability index, central venous pressure, and inferior vena cava variation in patients undergoing mechanical ventilation: a systematic review and meta-analysis. - Chaves RCF; Barbas CSV; Queiroz VNF; Serpa Neto A; Deliberato RO; Pereira AJ; Timenetsky KT; Silva Júnior JM; Takaoka F; de Backer D; Celi LA; Corrêa TD (Critical care (London, England), 2024)