Key result
Stroke volume variation-guided goal-directed fluid therapy did not significantly reduce the incidence of early postoperative complications compared with conventional care in elderly patients undergoing minimally invasive esophagectomy (36.4% vs 37.5%, p=0.92).
Why the study?
This study aimed to investigate whether stroke volume variation-guided goal-directed therapy improves postoperative outcomes in elderly patients undergoing minimally invasive esophagectomy compared with conventional care.
Does SVV-guided goal-directed therapy reduce postoperative complications in elderly patients undergoing minimally invasive esophagectomy?
RCT (n=65)
Double-blind
Computer-generated random numbers
No
Does SVV-guided goal-directed therapy reduce postoperative complications in elderly patients undergoing minimally invasive esophagectomy?
Relative Risk: 1.03 (95% CI 0.55–1.94)
Absolute Event Rate: 36.4% vs 37.5%
p-value: p=0.92
Stroke volume variation-guided goal-directed fluid therapy did not significantly reduce early postoperative complications compared to conventional fluid management in elderly patients undergoing minimally invasive esophagectomy.
SVV-GDT showed no complication reduction; challenges routine use and leaves optimal fluid strategy open in elderly MIE.
Study Objective: This study aimed to investigate whether stroke volume variation (SVV)-guided goal-directed therapy (GDT) can improve postoperative outcomes in elderly patients undergoing minimally invasive esophagectomy (MIE) compared with conventional care. Design: A prospective, randomized, controlled study. Setting: A single tertiary care center with a study period from November 2017 to December 2018. Patients: Patients over 65 years old who were scheduled for elective MIE. Interventions: The GDT protocol included a baseline fluid supplement of 7 ml/kg/h Ringer's lactate solution and SVV optimization using colloid boluses assessed by pulse-contour analysis (PiCCO™). When SVV exceeded 11%, colloid was infused at a rate of 50 ml per minute; if SVV returned below 9% for at least 2 minutes, then colloid was stopped. Measurements: The primary outcome was the incidence of postoperative complications before discharge, as assessed using a predefined list, including postoperative anastomotic leakage, postoperative hoarseness, postoperative pulmonary complications, chylothorax, myocardial injury, and all-cause mortality. Main Results: Sixty-five patients were included in the analysis. The incidence of postoperative complications between groups was similar (GDT 36.4% vs. control 37.5%, P = 0.92). The total fluid volume was not significantly different between the two groups (2,192 ± 469 vs. 2,201 ± 337 ml, P = 0.92). Compared with those in the control group (n = 32), patients in the GDT group (n = 33) received more colloids intraoperatively (874 ± 369 vs. 270 ± 67 ml, P <0.05) and less crystalloid fluid (1,318 ± 386 vs. 1,937 ± 334 ml, P <0.05). Conclusion: The colloid-based SVV optimization during GDT did not significantly reduce the incidence of early postoperative complications after minimally invasive esophagectomy in elderly patients. Clinical Trial Number and Registry URL: ChiCTR-INR-17013352; http://www.chictr.org.cn/showproj.aspx?proj=22883
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Tang et al. (2021) conducted an RCT in Esophageal carcinoma (n=65). Stroke volume variation-guided goal-directed fluid therapy vs. Conventional fluid management was evaluated on Incidence of postoperative complications before discharge (RR 1.03, 95% CI 0.55-1.94, p=0.92). Stroke volume variation-guided goal-directed fluid therapy did not significantly reduce the incidence of early postoperative complications compared with conventional care in elderly patients undergoing minimally invasive esophagectomy (36.4% vs 37.5%, p=0.92).
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