Antonio Messina1,2, Chiara Robba3,4, Lorenzo Calabrò5, Daniel Zambelli5, Francesca Iannuzzi4, Edoardo Molinari4, Silvia Scarano4, Denise Battaglini4, Marta Baggiani6, Giacomo De Mattei7, Laura Saderi8, Giovanni Sotgiu8, Paolo Pelosi3,4, Maurizio Cecconi5,9. 1. Humanitas Clinical and Research Center - IRCCS, Rozzano, MI, Italy. antonio.messina@humanitas.it. 2. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy. antonio.messina@humanitas.it. 3. Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy. 4. Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy. 5. Humanitas Clinical and Research Center - IRCCS, Rozzano, MI, Italy. 6. Anesthesia and Intensive Care Medicine, Maggiore Della Carità University Hospital, Novara, Italy. 7. Anesthesia and Intensive Care Medicine, Azienda Sanitaria Universitaria Integrata Udine, Udine, Italy. 8. Clinical Epidemiology and Medical Statistics Unit, Department of Medical, Surgical and Experimental, University of Sassari, Sassari, Italy. 9. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy.
Abstract
BACKGROUND: Appropriate perioperative fluid management is of pivotal importance to reduce postoperative complications, which impact on early and long-term patient outcome. The so-called perioperative goal-directed therapy (GDT) approach aims at customizing perioperative fluid management on the individual patients' hemodynamic response. Whether or not the overall amount of perioperative volume infused in the context of GDT could influence postoperative surgical outcomes is unclear. METHODS: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) comparing the efficacy of GDT approach between study population and control group in reducing postoperative complications and perioperative mortality, using MEDLINE, EMBASE and the Cochrane Controlled Clinical trials register. The enrolled studies were grouped considering the amount infused intraoperatively and during the first 24 h after the admission in the critical care unit (perioperative fluid). RESULTS: The metanalysis included 21 RCTs enrolling 2729 patients with a median amount of perioperative fluid infusion of 4500 ml. In the studies reporting an overall amount below or above this threshold, the differences in postoperative complications were not statically significant between controls and GDT subgroup [43.4% vs. 34.2%, p value = 0.23 and 54.8% vs. 39.8%; p value = 0.09, respectively]. Overall, GDT reduced the overall rate of postoperative complications, as compared to controls [pooled risk difference (95% CI) = - 0.10 (- 0.14, - 0.07); Chi2 = 30.97; p value < 0.0001], but not to a reduction of perioperative mortality [pooled risk difference (95%CI) = - 0.016 (- 0.0334; 0.0014); p value = 0.07]. Considering the rate of organ-related postoperative events, GDT did not reduce neither renal (p value = 0.52) nor cardiovascular (p value = 0.86) or pulmonary (p value = 0.14) or neurological (p value = 0.44) or infective (p value = 0.12) complications. CONCLUSIONS: Irrespectively to the amount of perioperative fluid administered, GDT strategy reduces postoperative complications, but not perioperative mortality. TRIAL REGISTRATION: CRD42020168866; Registration: February 2020 https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=168866.
BACKGROUND: Appropriate perioperative fluid management is of pivotal importance to reduce postoperative complications, which impact on early and long-term patient outcome. The so-called perioperative goal-directed therapy (GDT) approach aims at customizing perioperative fluid management on the individual patients' hemodynamic response. Whether or not the overall amount of perioperative volume infused in the context of GDT could influence postoperative surgical outcomes is unclear. METHODS: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) comparing the efficacy of GDT approach between study population and control group in reducing postoperative complications and perioperative mortality, using MEDLINE, EMBASE and the Cochrane Controlled Clinical trials register. The enrolled studies were grouped considering the amount infused intraoperatively and during the first 24 h after the admission in the critical care unit (perioperative fluid). RESULTS: The metanalysis included 21 RCTs enrolling 2729 patients with a median amount of perioperative fluid infusion of 4500 ml. In the studies reporting an overall amount below or above this threshold, the differences in postoperative complications were not statically significant between controls and GDT subgroup [43.4% vs. 34.2%, p value = 0.23 and 54.8% vs. 39.8%; p value = 0.09, respectively]. Overall, GDT reduced the overall rate of postoperative complications, as compared to controls [pooled risk difference (95% CI) = - 0.10 (- 0.14, - 0.07); Chi2 = 30.97; p value < 0.0001], but not to a reduction of perioperative mortality [pooled risk difference (95%CI) = - 0.016 (- 0.0334; 0.0014); p value = 0.07]. Considering the rate of organ-related postoperative events, GDT did not reduce neither renal (p value = 0.52) nor cardiovascular (p value = 0.86) or pulmonary (p value = 0.14) or neurological (p value = 0.44) or infective (p value = 0.12) complications. CONCLUSIONS: Irrespectively to the amount of perioperative fluid administered, GDT strategy reduces postoperative complications, but not perioperative mortality. TRIAL REGISTRATION: CRD42020168866; Registration: February 2020 https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=168866.
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