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Published on: May 21, 2019
Hemodynamic management and surgical site infection: Network meta-analysis of randomized controlled trials
Xu Zhao1, Lina Zhang2, Alexandria Brackett3
1Department of Anesthesiology, Yale University School of Medicine, New Haven, CT, United States of America; Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China.
Study Objective:
To investigate which hemodynamic management strategy is most effective in reducing surgical site infection (SSI).
Design:
Network meta-analysis of randomized controlled trials.
Setting:
Perioperative setting.
Patients:
Surgical patients.
Interventions:
Usual care vs. optimized hemodynamic management, including goal-directed hemodynamic therapy (GDHT) and liberal/restrictive fluid therapy.
Measurements:
The primary outcome was SSI arising within postoperative 30 days. The secondary outcomes included postoperative respiratory and urinary system infectious complications and sepsis/septic shock. The effect and ranking were assessed using network meta-analysis and the surface under the cumulative ranking curve (SUCRA) scores, respectively.
Main Results:
We systematically searched Ovid MEDLINE, Ovid Embase, and Web of Science for eligible randomized controlled trials from inception to October 11, 2019. Fifty-three eligible studies reported SSI and comprised of 56 GDHT groups (patients, n = 4205) and 51 usual care groups (patients, n = 3895). Comparing with usual care, GDHTs aimed at intravascular volume and stroke volume optimization (odds ratio (OR), 0.28 [95% credible interval (CrI), 0.13 to 0.56]; moderate quality), stroke volume and cardiac output optimization (OR, 0.34 [95% CrI, 0.16 to 0.70]; moderate quality), and intravascular volume and cardiac output optimization (OR, 0.51 [95% CrI, 0.24 to 0.99]; low quality) significantly reduced SSI. GDHT strategy aimed at intravascular volume and stroke volume optimization was likely most effective (SUCRA = 80%). Certain GDHTs significantly reduced respiratory infectious complications; however, no GDHT significantly reduced urinary infectious complications and sepsis/septic shock. GDHT strategy aimed at intravascular volume, stroke volume, and cardiac output optimization was likely most effective for reducing respiratory infectious complications (SUCRA = 88%).
Conclusions:
Different hemodynamic managements exert different effectiveness for SSI reduction. GDHTs aimed at intravascular volume, stroke volume, and cardiac output optimization are likely most effective based on the overall evidence.
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