Cited by 387Gastrointestinal motility and disordersBariatric Surgery and OutcomesEnhanced Recovery After Surgery

Pathophysiology, diagnosis and management of postoperative dumping syndrome

Tack, Jan, Arts, Joris, Caenepeel, Philip, De Wulf, Dominiek, Bisschops, Raf·2009·Nature Reviews Gastroenterology & Hepatology

Abstract

Dumping syndrome is a frequent complication of esophageal, gastric or bariatric surgery. Rapid gastric emptying, with the delivery to the small intestine of a significant proportion of solid food as large particles that are difficult to digest, is a key event in the pathogenesis of this syndrome. This occurrence causes a shift of fluid from the intravascular component to the intestinal lumen, which results in cardiovascular symptoms, release of several gastrointestinal and pancreatic hormones and late postprandial hypoglycemia. Early dumping symptoms comprise both gastrointestinal and vasomotor symptoms. Late dumping symptoms are the result of reactive hypoglycemia. Besides the assessment of clinical alertness and endoscopic or radiological imaging, a modified oral glucose tolerance test might help to establish a diagnosis. The first step in treating dumping syndrome is the introduction of dietary measures. Acarbose can be added to these measures for patients with hypoglycemia, whereas several studies advocate guar gum or pectin to slow gastric emptying. Somatostatin analogs are the most effective medical therapy for dumping syndrome, and a slow-release preparation is the treatment of choice. In patients with treatment-refractory dumping syndrome, surgical reintervention or continuous enteral feeding can be considered, but the outcomes of such approaches are variable.

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Crossref · 10.1038/nrgastro.2009.148

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  • Late dumping occurs 1-3 h after carbohydrate ingestion, caused by an incretin-driven hyperinsulinemic response resulting in hypoglycemia.

    “Late dumping occurs 1-3 h after carbohydrate ingestion, caused by an incretin-driven hyperinsulinemic response resulting in hypoglycemia.”
  • Early dumping occurs within 1 h after eating, when rapid emptying of food into the small intestine triggers rapid fluid shifts into the intestinal lumen and release of gastrointestinal hormones, resulting in gastrointestinal and vasomotor symptoms.

    “Early dumping occurs within 1 h after eating, when rapid emptying of food into the small intestine triggers rapid fluid shifts into the intestinal lumen and release of gastrointestinal hormones, resulting in gastrointestinal and vasomotor symptoms.”
  • Alterations in gastric anatomy or interference with its intrinsic innervation disturb gastric emptying mechanisms and allow a substantial amount of undigested food to reach the small intestine too rapidly.

    “Alterations in gastric anatomy or interference with its intrinsic innervation disturb gastric emptying mechanisms and allow a substantial amount of undigested food to reach the small intestine too rapidly (1,2).”
  • Hypoglycemia-related symptoms are related to neuroglycopenia (fatigue, weakness, confusion, hunger and syncope) and autonomic/adrenergic reactivity (perspiration, palpitations, tremor and irritability).

    “Hypoglycemia-related symptoms are related to neuroglycopenia (fatigue, weakness, confusion, hunger and syncope) and autonomic/adrenergic reactivity (perspiration, palpitations, tremor and irritability) (1,2).”
  • Gastric surgery reduces gastric volume or removes the barrier function of the pylorus, resulting in the rapid delivery of a substantial amount of undigested solid food to the small intestine, thereby bypassing the larger part of the stomach.

    “Gastric surgery reduces gastric volume or removes the barrier function of the pylorus, resulting in the rapid delivery of a substantial amount of undigested solid food to the small intestine, thereby bypassing the larger part of the stomach (Fig. 1) (1).”

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Authors
Tack, J., Arts, J., Caenepeel, P., De Wulf, D., & Bisschops, R.
Affiliations
Universitair Ziekenhuis Leuven (BE)
Corresponding author
Tack, Jan
Venue
Nature Reviews Gastroenterology & Hepatology
Published
2009-09-01
Volume
6
Issue
10
Pages
583-590
ISSN
  • 1759-5045 (ISSN-L)
  • 1759-5053
OpenAlex
W1997676087
Cited by
387
References
79
Citations by year
2026: 14 · 2025: 14 · 2024: 17 · 2023: 25 · 2022: 24 · 2021: 29 · 2020: 31 · 2019: 33 · 2018: 24 · 2017: 28 · 2016: 33 · 2015: 23 · 2014: 23 · 2013: 15 · 2012: 21
FWCI
2.72
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Reviews Gastroenterology & Hepatology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
  • Health Sciences › Medicine › Surgery › Enhanced Recovery After Surgery
Keywords
rapid gastric emptying, esophageal surgery complications, gastric surgery complications, bariatric surgery complications, postprandial hypoglycemia, acarbose, guar gum, pectin, somatostatin analogues, dietary management, reoperation, continuous enteral feeding
MeSH terms
Dumping Syndrome, Gastric Emptying, Humans, Hypoglycemia, Somatostatin, Digestive System Surgical Procedures, Vasomotor System, Acarbose

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