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Heterogeneity in the Definition and Clinical Characteristics of Dumping Syndrome: a Review of the Literature

  • Ben GysEmail author
  • Philip Plaeke
  • Bas Lamme
  • Thierry Lafullarde
  • Niels Komen
  • Anthony Beunis
  • Guy Hubens
Brief Communication
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Abstract

Background

No real consensus regarding the definition of dumping syndrome (DS) seems to exist and few subtyping is used in clinical practice. Knowledge is needed for correct design of trials and establishment of uniform treatment strategies. The aim of this study is to explore the distribution of clinical characteristics related to the subtypes of DS.

Methods

A comprehensive search was performed in Cochrane, Google Scholar, PubMed, and ResearchGate. Data were collected on the definition and diagnostics of DS used in each study.

Results

Twenty-seven clinical trials were included. Seventeen articles clearly provided a definition of DS and ten of these differentiated between early and late DS. Diagnose of DS was based on clinical symptoms (24 articles), hemodynamic parameters (e.g., tachycardia, hypotension; 9 articles), and biochemical analysis (e.g., blood sugar level; 12 articles). Questionnaires were used in 13 articles. A total of 67 different symptoms were correlated with dumping syndrome. Two symptoms were exclusively correlated with early and nine with late DS. Nine articles differentiated between early and late dumping based on timing since the last meal. Hypoglycemia was correlated with late DS in ten articles.

Conclusions

This study reveals a vast heterogeneity in the definition and clinical characteristics of DS after RYGB. We feel that a standardized definition is required to provide a firm parameter in the evaluation and setup of clinical trials. A better understanding and description of the definition and diagnostic criteria of DS after RYGB is crucial to improve scientific reporting.

Keywords

RYGB Dumping Syndrome Definition Heterogeneity Review 

Notes

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval Statement

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed Consent Statement

Does not apply.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Abdominal SurgeryUniversity Hospital AntwerpEdegemBelgium
  2. 2.Department of SurgerySint-Dimpna HospitalGeelBelgium
  3. 3.Laboratory of Experimental Medicine and PediatricsUniversity of AntwerpAntwerpBelgium
  4. 4.Department of SurgeryAlbert Schweitzer HospitalDordrechtThe Netherlands

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