1404 NELA Risk Mortality Scores from Admission to Theatre in Emergency Gastrointestinal Perforation – A Retrospective Cohort Study

Abstract Background Patients with acute abdominal pathology requiring emergency laparotomy who experience a delay to theatre have an increased risk of morbidity, mortality and complications. The aim this study was assess delay, from symptom onset in patients gastrointestinal perforation its effect on perioperative risk. Method A single-centre retrospective performed the Leeds Trust Hospitals, UK investigating NELA database for perforated viscus presented surgical unit or department between 1st February 2018 31st January 2020. Results 101 met inclusion criteria (47% F 53% M), mean age 59 [21-91]. 37% patients’ scores worsened admission pre-op (median change + 5.9% IQR 1.3-11.5]), 14% stayed same 49% improved -4.4%[IQR 0.4-9.1]) 3% had their score documented at time consent. 18% did not wait CT report went straight theatre. Mean scan 9.3 hours (0.9-22.0). Median presentation (2 days [IQR 1-13]) greater Index Multiple Deprivation Decile 1-5, (n = 64, median 2 1-6]) compared those deciles 6-10, 37, 1 day[IQR 1-3]), p 0.097. Conclusions changes surgery laparotomy. There is suggestion that may correlate Decile.