Ann Surg Treat Res.  2019 Aug;97(2):103-111. 10.4174/astr.2019.97.2.103.

Early versus late surgical management for complicated appendicitis in adults: a multicenter propensity score matching study

Affiliations
  • 1Department of Surgery, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea.
  • 2Department of Surgery, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
  • 3Department of Surgery, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. snyoon@hallym.or.kr

Abstract

PURPOSE
Surgeons may be uncertain about the optimal timing of appendectomy to decrease complications, especially for complicated appendicitis. The aim of the study was to compare clinical outcomes between early and late surgery for complicated appendicitis.
METHODS
A prospectively maintained database of complicated appendicitis was queried. Elective interval surgery (EIS) group and early surgery (ES) were matched with propensity score and marked with a prefix "˜p.' Patient characteristics and surgical outcomes were compared.
RESULTS
The propensity score-matched EIS group had a lower chance to underwent ileo-cecectomy or right hemicolectomy (1.5% vs. 6.9%, P = 0.031), a tendency of lower rate of postoperative complication (6.9% vs. 13.7%, P = 0.067), a lower rate of wound infection (1.5% vs. 8.4%, P = 0.010), and shorter postoperative hospital stay (3.72 days vs. 5.82 days, P < 0.001) than the propensity score-matched ES group. Multivariate analysis showed that delayed surgery for more than 48 hours or urgent surgery due to failure of EIS and open conversion were independent risk factors for postoperative complications (P = 0.001 and P = 0.025, respectively). In subgroup analysis, high American Society of Anesthesiologists physical status classification and distant abscess or generalized ascites in initial CT increased the risk of failure of EIS.
CONCLUSION
EIS can be a useful option for selected adult patients with complicated appendicitis.

Keyword

Appendectomy; Appendicitis; Postoperative complications; Propensity score

MeSH Terms

Abscess
Adult*
Appendectomy
Appendicitis*
Ascites
Classification
Humans
Length of Stay
Multivariate Analysis
Postoperative Complications
Propensity Score*
Prospective Studies
Risk Factors
Surgeons
Wound Infection
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