Umbrella systematic review of potential quality indicators for the detection of dysplasia and cancer at upper gastrointestinal endoscopy

Umair Kamran, Abdullah Abbasi, Nosheen Umar, Imran Tahir, Matthew Brookes, Matthew D. Rutter, Mimi McCord, Nicola Adderley*, Janine Dretzke, Nigel Trudgill

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Background and study aims Upper gastrointestinal (UGI) endoscopy lacks established quality indicators. We conducted an umbrella systematic review of potential quality indicators for the detection of UGI cancer and dysplasia.

Methods Bibliographic databases were searched up to December 2021 for systematic reviews and primary studies. Studies reporting diagnostic accuracy, detection rates or the association of endoscopy or endoscopist-related factors with UGI cancer or dysplasia detection were included. AMSTAR2 and JBI checklists were used to assess systematic review and primary study quality. Clinical heterogeneity precluded meta-analysis and findings are summarized narratively.

Results Eight systematic reviews and nine primary studies were included. Image enhancement, especially narrow band imaging, had high diagnostic accuracy for dysplasia and early gastric cancer (pooled sensitivity 0.87 (95% CI 0.84–0.89) and specificity 0.97 (0.97–0.98)). Higher detection rates with longer endoscopy examination times were reported in three studies, but no difference was observed in one study. Endoscopist biopsy rate was associated with increased gastric cancer detection (odds ratio 2.5; 95% confidence interval [CI] 2.1–2.9). Early esophageal cancer (0.17% vs 0.14%, P=0.04) and gastric cancer (0.16% vs 0.12%, P=0.02) detection rates were higher with propofol sedation compared to no sedation. Endoscopies performed by trained endoscopists on dedicated Barrett’s surveillance lists had higher detection rates (8% vs 3%, P
Conclusions Image enhancement use, longer examination times, biopsy rate and propofol sedation are potential quality indicators for UGI endoscopy. Neoplasia detection rate and dedicated endoscopy lists are additional potential quality indicators for Barrett’s esophagus
Original languageEnglish
Pages (from-to)E835-E848
Number of pages14
JournalEndoscopy International Open
Volume11
Issue number9
DOIs
Publication statusPublished - 15 Sept 2023

Bibliographical note

Funding:
National Institute for Health and Care Research (UK) NIHR 201571.

Keywords

  • Endoscopy Upper GI Tract
  • Barrett's and adenocarcinoma
  • Precancerous conditions & cancerous lesions (displasia and cancer) stomach
  • Diagnosis and imaging (inc chromoendoscopy, NBI, iSCAN, FICE, CLE)

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