Quality of follow-up: Systematic review of the research in bariatric surgery

Noah J. Switzer, Shaheed Merani, Daniel Skubleny, Jean Sébastien Pelletier, Raisa Kanji, Xinzhe Shi, Daniel W. Birch, Christopher De Gara, Arya M. Sharma, Richdeep S. Gill, Shahzeer Karmali

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Objective: We aim to systematically review the bariatric surgery literature with regards to adequacy of patient follow-up, meeting the McMaster criteria of ≥80% follow-up. Background: Loss to follow-up is a major concern and can potentially bias the outcome and interpretation of a study. The quality of follow-up in bariatric surgery is quite variable with recent systematic reviews criticizing the field for its lack of overall follow-up. Methods: A complete search of PubMed was performed. Literature was restricted to a range of 5 years (2007-2012), English language, and publications listed in PubMed. The McMaster Evidence-based Criteria for High Quality Studies was used to assess the follow-up data adequacy and a logistic meta-regression was performed to identify factors associated with high quality follow-up studies. Results: Ninety-nine published manuscripts were included. For follow-up at study end, only 40/99 (40.4%) of papers had adequate patient follow-up, 42/99 (42.4%) failed to meet the McMaster criteria and 17/99 (17.2%) failed to report any follow-up results. On average, 31% were lost to follow-up at the study's end. Only shorter study duration, and if the study was performed in the US, were associated with studies meeting the McMaster criteria. Conclusions: Only 40% of studies in the bariatric surgery literature meet criteria for adequate follow-up. On average, studies have 30% of patients lost to follow-up at the stated end-point. Identified study characteristics associated with high quality follow-up included shorter study duration and studies performed in the US.

Original languageEnglish (US)
Pages (from-to)875-880
Number of pages6
JournalAnnals of surgery
Volume263
Issue number5
DOIs
StatePublished - 2016
Externally publishedYes

Keywords

  • Bariatric surgery
  • Follow-up
  • Loss to follow-up

ASJC Scopus subject areas

  • Surgery

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