The present study shows that, under proper medical supervision, early EN is possible and safe in patients with severe hemodynamic failure receiving VA ECMO. No serious adverse events were attributable to EN. More studies are warranted to confirm these findings.

Our findings indicate that early EN is feasible in this type of patients and not associated with serious complications. However, it is difficult to attain an appropriate energy target by EN alone. These observations point to a need for monitoring of daily energy delivery and balance, as well as careful monitoring of warning signs of intestinal ischemia.

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PurposeTo describe data on epidemiology, microbiology, clinical characteristics and outcome of adult ICU patients with secondary peritonitis, with special emphasis on antimicrobial therapy and source control. Methods Post hoc analysis of a multicenter observational study (Abdominal Sepsis Study, AbSeS ) including 2621 adult ICU patients with intra-abdominal infection in 306 ICUs from 42 countries. Time-till-source control intervention was calculated as from time of diagnosis and classified into 'emergency' (<2 hours), 'urgent' (2-6 hours), and 'delayed' (>6 hours). Relationships were assessed by logistic regression analysis and reported as odds ratios (OR) and [95% confidence interval]. ResultsThe cohort included 1077 cases of microbiologically confirmed secondary peritonitis. Mortality was 29.7%. The rate of appropriate empiric therapy showed no difference between survivors and non-survivors (66.4% vs . 61.3%, p=0.102). A stepwise increase in mortality was observed with increasing SOFA scores (19.6% for a value £4 to 55.4% for a value >12, p<0.001). The highest odds of death were associated with septic shock .00]), late-onset hospital-acquired peritonitis ) and failed source control evidenced by persistent inflammation at Day 7 ). Compared with 'emergency' source control intervention (<2 hours of diagnosis), 'urgent' source control was the only modifiable covariate associated with lower odds of mortality ). Conclusions 'Urgent' and successful source control were associated with improved odds of survival. Appropriateness of empirical antimicrobial treatment did not significantly affect survival suggesting that source control is more determinative for outcome.