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Complications after appendectomy in patients with treated appendicitis: results from a retrospective study
Tie Wu1, Yinxi Yang2, Yifeng Wu2
1Department of Emergency Surgery, Wuxi No. 9 People's Hospital Affiliated to Soochow University, Wuxi, China.
Background:
This study was designed to provide additional insights into the incidence of appendectomy complications in patients with appendicitis.
Methods:
A total of 619 patients who underwent appendectomy for appendicitis between 2014 and 2020 were recruited. Preoperative patient data and details of postoperative complications were collected. Comparisons between simple and complex appendicitis were obtained via univariate and multivariate analyses of the outcomes.
Results:
Simple and complex appendicitis was diagnosed in 192 and 427 patients, respectively. Twenty-eight patients with simple appendicitis developed complications, and 14 of these were infectious complications. In patients with complex appendicitis, 65 patients developed complications, and 55 of these were infectious complications. Infectious complications were identified as the largest proportion of complications. The significant risk factor for infectious complications in simple appendicitis was American Society of Anesthesiologists (ASA) grade [odds ratio (OR) =7.843, 95% confidence interval (CI): 1.987-30.955, P=0.003]. ASA grade (OR =1.992, P=0.032) and positive bacterial culture (OR =4.019, 95% CI: 1.809-8.933, P=0.001) were significantly related to infectious complication in complex appendicitis.
Conclusions:
This study showed that appendectomy is not always a routine operation with few complications. There was a relatively high rate of complications in patients with appendicitis, which were mostly infectious complications. A higher ASA grade correlated with infectious complication. In some cases of complex appendicitis, patients with positive bacterial culture may have had a greater risk of infectious complications.
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