Evidence map›Paper›PMID 25895670›Full record

SynthesisObesity facts2015

Aspects of Exercise before or after Bariatric Surgery: A Systematic Review.

Sjaak Pouwels, Marjon Wit, Joep A W Teijink, Simon W Nienhuijs

Registry-linked trialAbstract readSystematic Review
In one paragraph

Synthesis in Obesity facts, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03214471 (Evaluation of the Effect of a Lifestyle Intervention Compared to Usual Care on Weight Loss and Changes in Body Composition, Physical Activity Levels and Health-related Quality of Life in the First Year Following Bariatric Surgery), which is not on this map. Cited by 29 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

NCT03214471 nacompletednot on this mapstarted 2018, after this paper: background citation

Evaluation of the Effect of a Lifestyle Intervention Compared to Usual Care on Weight Loss and Changes in Body Composition, Physical Activity Levels and Health-related Quality of Life in the First Year Following Bariatric Surgery

TypeinterventionalSponsorUniversity College, LondonRan2018 to 2020Enrolled153ConditionsObesityArmsLifestyle intervention
3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
  2. Effect of exercise training before and after bariatric surgery: A systematic review and meta-analysis.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2021
    Pooled it
  3. Pooled it
  4. Pooled it
  5. Trial
  6. Article
  7. Review
  8. Exercise training in metabolic and bariatric surgery: An overview of systematic reviews.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2025
    Review
  9. Article
  10. Assessment and medical management of weight regain after adolescent metabolic and bariatric surgery: a narrative review.Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · 2025
    Review
  11. Article
  12. Review
  13. Review
  14. Review
  15. Review
  16. Article
  17. Review
  18. Review
  19. The usefulness of preoperative exercise therapy in patients scheduled for lung cancer surgery; a survey among Dutch pulmonologists and cardiothoracic surgeons.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2020
    Article
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Sjaak Pouwels
Marjon Wit
Joep A W Teijink
Simon W Nienhuijs

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBariatric surgery has a considerable effect on weight loss. A positive relation of exercise and weight loss has been described before. However, the mode of exercise and its timing pre- or postoperatively or a combination remains unclear.

methodsA multi-database search was conducted. Identified articles were reviewed on description of exercise, timing around a bariatric intervention, and outcome. Methodological quality of the included studies was rated using the Physiotherapy Evidence Database scale. A Cohen’s kappa score assessed the level of agreement. Outcome measurements were improvement of anthropometric and physical fitness variables, operation related complications, weight regain, and quality of life.

resultsA total of 8 prospective studies were included. Four focused on training before and 4 on training after a bariatric procedure. Details of exercises varied from 45 min treadmill up to full descriptive programs. Supervision was frequently included. Significant improvement was encountered for biometric results physical fitness variables.

conclusionIn the majority of reports on exercising in a (future) bariatric population, positive effects on anthropometrics, cardiovascular risk factors and physical fitness were described. However, the results were not unanimous, with a wide range of exercise programs and perioperative timing, therefore hampering adequate practical guidance.

Indexed as

Bariatric SurgeryPerioperative PeriodPhysical FitnessWeight LossCardiovascular DiseasesExerciseHumansObesity

Identifiers

PMID25895670
PMCPMC5644796

What OpenQuestion holds

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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.