Key result
An international consensus process identified 12 core items, including demographic, clinical effectiveness, and safety outcomes, to be included as a minimum dataset in all bariatric surgery registries.
Why the study?
Robust long-term data comparing bariatric and metabolic operations are lacking, and agreement on standard data for registries is needed to facilitate comparisons.
A Core Registry Set of 12 items was developed through international consensus to standardize data collection in bariatric surgery registries globally.
Answers are grounded in this paper and cite their sources.
Supports minimum dataset standardization in bariatric registries; leaves open effects on data comparability and research synthesis.
PURPOSE: Bariatric and metabolic surgery is an effective treatment for severe and complex obesity; however, robust long-term data comparing operations is lacking. Clinical registries complement clinical trials in contributing to this evidence base. Agreement on standard data for bariatric registries is needed to facilitate comparisons. This study developed a Core Registry Set (CRS) - core data to include in bariatric surgery registries globally. MATERIALS AND METHODS: Relevant items were identified from a bariatric surgery research core outcome set, a registry data dictionary project, systematic literature searches, and a patient advisory group. This comprehensive list informed a questionnaire for a two-round Delphi survey with international health professionals. Participants rated each item's importance and received anonymized feedback in round 2. Using pre-defined criteria, items were then categorized for voting at a consensus meeting to agree the CRS. RESULTS: Items identified from all sources were grouped into 97 questionnaire items. Professionals (n = 272) from 56 countries participated in the round 1 survey of which 45% responded to round 2. Twenty-four professionals from 13 countries participated in the consensus meeting. Twelve items were voted into the CRS including demographic and bariatric procedure information, effectiveness, and safety outcomes. CONCLUSION: This CRS is the first step towards unifying bariatric surgery registries internationally. We recommend the CRS is included as a minimum dataset in all bariatric registries worldwide. Adoption of the CRS will enable meaningful international comparisons of bariatric operations. Future work will agree definitions and measures for the CRS including incorporating quality-of-life measures defined in a parallel project.
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Coulman et al. (2023) studied Bariatric surgery (n=272). Delphi survey and consensus meeting was evaluated on Agreement on a Core Registry Set (CRS) for bariatric surgery. An international consensus process identified 12 core items, including demographic, clinical effectiveness, and safety outcomes, to be included as a minimum dataset in all bariatric surgery registries.
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