The relation between deresuscitative fluid management after the resuscitation phase and clinical outcome in patients with abdominal sepsis is not completely clear. The aim of this study was to assess the contribution of deresuscitative management to death and organ dysfunction in abdominal sepsis. Consecutive patients with abdominal sepsis requiring fluid resuscitation were included in this study. According to the fluid management given in the later stage of resuscitation, a conservative group and a deresuscitative fluid management group were compared. The primary outcome was in-hospital death, whereas secondary outcomes were categorized as organ dysfunction and other adverse events. A total of 138 patients were enrolled in this study. Conservative fluid management was given to 47.8% of patients, whereas deresuscitative fluid management occurred in 52.2%. The deresuscitative strategy was associated with a markedly lower prevalence of new-onset acute kidney injury and a decrease in the duration of continuous renal replacement therapy (CRRT). There was a greater risk of needing new-onset intubation and the mechanical ventilation duration in the conservative group than in the deresuscitative group. However, the deresuscitative group did not differ from the conservative group with respect to open abdomen and intra-abdominal hypertension or new-onset abdominal compartment syndrome. The conservative treatment was associated with prolonged stays as well as a higher in-hospital mortality rate. A multivariable logistic regression model showed that deresuscitative fluid management imparts a protective effect against in-hospital death (odds ratio 4.343; 95% confidence interva1 1.466-12.866; pā€‰=ā€‰0.008), whereas septic shock, source control failure, and CRRT duration were associated with a higher mortality rate. Fluid balance achieved using deresuscitative treatment is correlated with better outcomes in patients with abdominal sepsis, indicating that this treatment may be useful as a therapeutic strategy.

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