SynthesisWorld journal of surgery2022
Efficacy and Safety of Non-Operative Management of Uncomplicated Acute Appendicitis Compared to Appendectomy: An Umbrella Review of Systematic Reviews and Meta-Analyses.
Synthesis in World journal of surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
14 citing papers in PubMed, 2 syntheses or guidelines pooled it, 23 citations in OpenAlex.
- SAGES guideline for the diagnosis and treatment of appendicitis.Surgical endoscopy · 2024Guideline
- Comparison of the efficacy and safety of antibiotic treatment and appendectomy for acute uncomplicated appendicitis: a systematic review and meta-analysis.BMC surgery · 2023Pooled it
- Non-operative versus operative management of uncomplicated acute appendicitis: a randomized controlled study in Sierra Leone.BMC surgery · 2026Trial
- Article
- Leaving no stone unturned: Impact of appendicolith and characteristics on long-term recurrence after non-operative appendicitis.World journal of clinical cases · 2025Article
- Cholangioscope-Assisted Endoscopic Retrograde Appendicitis Therapy in the Management of Chronic Abdominal Pain Related to the Appendix: A Single-Center Retrospective Study.Digestive diseases and sciences · 2025Article
- Is non-operative treatment of acute appendicitis possible: A narrative review.African journal of emergency medicine : Revue africaine de la medecine d'urgence · 2024Review
- Appendiceal Endometriosis: A Comprehensive Review of the Literature.Diagnostics (Basel, Switzerland) · 2023Review
- Techniques for mesoappendix transection and appendix resection: insights from the ESTES SnapAppy study.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2023Article
- Evolving Trends in the Management of Acute Appendicitis During COVID-19 Waves: The ACIE Appy II Study.World journal of surgery · 2022Article
- Letter to the Editor: Efficacy and Safety of Non-operative Management of Uncomplicated Acute Appendicitis Compared to Appendectomy: An Umbrella Review of Systematic Reviews and Meta-analyses.World journal of surgery · 2022Article
- Authors' Reply: Efficacy and Safety of Non-operative Management of Uncomplicated Acute Appendicitis Compared to Appendectomy: An Umbrella Review of Systematic Reviews and Meta-analyses.World journal of surgery · 2022Article
- Heart Rate Variability May Predict the Severity of Appendicitis: A Cross-Sectional Study.Bulletin of emergency and trauma · 2022Article
- Needs assessment of parents for a patient decision aid in pediatric interval appendectomy via the qualitative interview method.World journal of pediatric surgery · 2022Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundNon-operative management (NOM) of uncomplicated acute appendicitis (AA) has been introduced as an alternative to appendectomy. This umbrella review aimed to provide an overview of the efficacy and safety of NOM of uncomplicated AA in the published systematic reviews.
methodsThis umbrella review has been reported in line with the PRISMA guidelines and umbrella review approach. Systematic reviews with and without meta-analyses on the efficacy of NOM of AA were analyzed. The quality of the reviews was assessed with the AMSTAR 2 tool. The main outcomes measures were the treatment failure and complication rates of NOM and hospital stay as compared to appendectomy.
resultsEighteen systematic reviews were included to this umbrella review. Eight reviews documented higher odds of failure with NOM, whereas two reviews revealed similar odds of failure. Six reviews reported lower odds of complications with NOM, six reported similar odds, and one reported lower odds of complications with surgery. Eight reviews reported similar hospital stay between NOM and appendectomy, one reported longer stay with NOM and another reported shorter stay with NOM. Pooled analyses showed that NOM was associated with higher treatment failure overall, in children-only, adults only, and RCTs-only meta-analyses. NOM was associated with lower complications overall, yet children-only and RCTs-only analyses revealed similar complications to surgery. NOM was associated with shorter stay in the overall and adult-only analysis, but not in the children-only analysis.
conclusionsNOM of AA is associated with higher treatment failure, marginally lower rate of complications and shorter stay than appendectomy.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.