Outpatient management of acute uncomplicated appendicitis after laparoscopic appendectomy: a randomized controlled trial

Jordi Elvira López, Ricard Sales Mallafré, Erlinda Padilla Zegarra, Luis Carrillo Luna, Joan Ferreres Serafini, Roisin Tully, Robert Memba Ikuga, Rosa Jorba Martin, Jordi Elvira López, Ricard Sales Mallafré, Erlinda Padilla Zegarra, Luis Carrillo Luna, Joan Ferreres Serafini, Roisin Tully, Robert Memba Ikuga, Rosa Jorba Martin

Abstract

Objective: To confirm the safety and efficacy of outpatient management of laparoscopic appendectomy, with an enhanced recovery after surgery (ERAS) protocol, in adult patients with uncomplicated acute appendicitis. Outpatient laparoscopic appendectomy is feasible and secure in selected patients in observational studies. The benefits include reduced length of stay (LOS) and postoperative complications. This is the first randomized controlled trial of outpatient management following ERAS protocol.

Methods: Patients admitted from the emergency department with acute appendicitis were randomized into one of two groups: standard care within the hospital (HG) or the outpatient group (OG). An ERAS protocol was followed for both groups. Patients in the HG were admitted to the surgical ward. Patients in the OG were referred to the day-surgery unit. The primary endpoint was the length of stay.

Results: Ninety-seven patients were included: 49 in the OG and 48 in the HG. LOS was significantly shorter in the OG (mean 8.82 h) than in the HG (mean 43.53 h), p < 0.001. There was no difference in readmission rates (p = 0.320); we observed only one readmission in the OG. No further emergency consultations or complications were observed. The cost saving was $516.52/patient as a result of the intervention.

Conclusion: Outpatient management of appendectomy is safe and feasible procedure in selected patients. This approach could become the standard of care for patients with uncomplicated appendicitis, showing fewer complications, lower LOS and cost.

Trial registration: Registration: www.

Clinicaltrials: gov (NCT05401188) Clinical Trial ID: NCT05401188.

Keywords: Acute appendicitis; Appendicitis; ERAS protocol; Laparoscopic appendectomy; Outpatient management; Uncomplicated acute appendicitis.

Conflict of interest statement

The authors declare no competing interests.

© 2022. The Author(s).

Figures

Fig. 1
Fig. 1
Consort flow diagram—ASI trial. Initial numbers assessed, randomized, followed up, and analyzed with the reason for inclusion

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