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Acute surgical unit improves outcomes in appendicectomy

2019; Wiley; Volume: 89; Issue: 9 Linguagem: Inglês

10.1111/ans.15141

1445-2197

Ned Kinnear, Eliza Bramwell, Alannah Frazzetto, Amy Noll, Prajay Patel, Derek Hennessey, Greg Otto, Christopher Dobbins, Tarik Sammour, James W. Moore,

Diverticular Disease and Complications

Background Few large Australian studies have explored the impact of acute surgical unit (ASU) model in appendicitis. Methods An ASU model commenced practice at our institution on 1 August 2012. In this retrospective cohort study, patients undergoing appendicectomy 2.5 years before (Traditional group) or after (ASU group) this date were compared. Primary outcomes were median length of stay, median time from emergency department referral to theatre start and proportion of cases performed in‐hours. Secondary outcomes were rates of complications, open appendicectomy, consultant scrubbed for procedure, intensive care unit admission and re‐presentation to emergency department within 30 days. Results After removing those with incomplete data, 1214 patients were enrolled; 465 in the Traditional group and 749 in the ASU group. There were no significant baseline differences between groups. Compared with the Traditional group, ASU patients had similar length of stay (1.81 versus 1.81 days; P = 0.54) and time to theatre (0.59 versus 0.56 days; P = 0.14), but a greater proportion of in‐hours operation (72% versus 79%; P = 0.014). The ASU group also experienced fewer complications (9% versus 6%; P = 0.031), fewer primary open (4% versus 1%; P < 0.0001) or conversion‐to‐open appendicectomies (6% versus 2%; P < 0.0005) and had superior rates of consultant scrubbed in theatre (21% versus 56%; P < 0.00001). Rates of intensive care unit admission (1% versus 1%; P = 0.72) and re‐presentation were unchanged (5% versus 5%; P = 0.46). Conclusion In our institution, the introduction of an ASU model was associated with more in‐hours operations and safer care for patients undergoing appendicectomy.