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Delayed Operative Management in Complicated Acute Appendicitis-Is Avoiding Extended Resection Worth the Wait ?
Rodrigo Moisés de Almeida Leite1,2, Alexandre Venancio de Souza3, Camdem Phillip Bay4
1Harvard Medical School, Boston, MA, USA.
Background:
The optimal management of complicated acute appendicitis remains undefined. According to current guidelines, a trial of non-operative management with delayed appendectomy may be associated with better outcomes for patients, including a reduced rate of extended resection appendectomy.
Methods:
We conducted an analysis of the American College of Surgeons National Surgical Quality Improvement program to analyze the outcomes of hemodynamically stable patients presenting with complicated (abscess, perforation, or both) appendicitis submitted to early (less than 24 h) or delayed (24 h or more) operative management.
Results:
Delayed operative management was associated with a significant reduction of the rate of extended resection appendectomy (RR: 2.15, 95% CI: 1.59 - 2.81, p < 0.001). Delayed operative management was associated with a non-significant trend towards reduced mortality (RR: 2.17; 95% CI: 0.98-2.85, p = 0.05). Delayed operative management was also associated with a significant decrease in total operative time and a significant reduction in the rate of postoperative abscess. There was no association between delayed intervention and medical related morbidity (RR: 1.01; 95% CI 0.91-1.11, p 0.811). However, delayed operative management was associated with a significant increase in total length of stay (coefficient 1.10; 95% CI: 1.02 to 1.18, p < 0.001).
Conclusion:
Delayed operative management may be associated with a reduction in the need of extended resection appendectomy, shorter operative time, and a trend towards reduced mortality. On the other hand, it may also be associated with an increased length of in-hospital stay and short-term morbidity.
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