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2017 ; 171
(5
): 426-434
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Comparison of Antibiotic Therapy and Appendectomy for Acute Uncomplicated
Appendicitis in Children: A Meta-analysis
#MMPMID28346589
Huang L
; Yin Y
; Yang L
; Wang C
; Li Y
; Zhou Z
JAMA Pediatr
2017[May]; 171
(5
): 426-434
PMID28346589
show ga
IMPORTANCE: Antibiotic therapy for acute uncomplicated appendicitis is effective
in adult patients, but its application in pediatric patients remains
controversial. OBJECTIVE: To compare the safety and efficacy of antibiotic
treatment vs appendectomy as the primary therapy for acute uncomplicated
appendicitis in pediatric patients. DATA SOURCES: The PubMed, MEDLINE, EMBASE,
and Cochrane Library databases and the Cochrane Controlled Trials Register for
randomized clinical trials were searched through April 17, 2016. The search was
limited to studies published in English. Search terms included appendicitis,
antibiotics, appendectomy, randomized controlled trial, controlled clinical
trial, randomized, placebo, drug therapy, randomly, and trial. STUDY SELECTION:
Randomized clinical trials and prospective clinical controlled trials comparing
antibiotic therapy with appendectomy for acute uncomplicated appendicitis in
pediatric patients (aged 5-18 years) were included in the meta-analysis. The
outcomes included at least 2 of the following terms: success rate of antibiotic
treatment and appendectomy, complications, readmissions, length of stay, total
cost, and disability days. DATA EXTRACTION AND SYNTHESIS: Data were independently
extracted by 2 reviewers. The quality of the included studies was examined in
accordance with the Cochrane guidelines and the Newcastle-Ottawa criteria. Data
were pooled using a logistic fixed-effects model, and the subgroup pooled risk
ratio with or without appendicolith was estimated. MAIN OUTCOMES AND MEASURES:
The primary outcome was the success rate of treatment. The hypothesis was
formulated before data collection. RESULTS: A total of 527 articles were
screened. In 5 unique studies, 404 unique patients with uncomplicated
appendicitis (aged 5-15 years) were enrolled. Nonoperative treatment was
successful in 152 of 168 patients (90.5%), with a Mantel-Haenszel fixed-effects
risk ratio of 8.92 (95% CI, 2.67-29.79; heterogeneity, P?=?.99; I2?=?0%).
Subgroup analysis showed that the risk for treatment failure in patients with
appendicolith increased, with a Mantel-Haenszel fixed-effects risk ratio of 10.43
(95% CI, 1.46-74.26; heterogeneity, P?=?.91; I2?=?0%). CONCLUSIONS AND RELEVANCE:
This meta-analysis shows that antibiotics as the initial treatment for pediatric
patients with uncomplicated appendicitis may be feasible and effective without
increasing the risk for complications. However, the failure rate, mainly caused
by the presence of appendicolith, is higher than for appendectomy. Surgery is
preferably suggested for uncomplicated appendicitis with appendicolith.
|Acute Disease
[MESH]
|Adolescent
[MESH]
|Anti-Bacterial Agents/adverse effects/*therapeutic use
[MESH]