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Background <p>Dumping syndrome (DS) is a recognised complication after bariatric surgery but reported prevalence and associated risk factors vary widely. This study aimed to determine the prevalence of DS and to identify predisposing factors in post-operative bariatric patients.</p> Methods <p>A prospective observational cohort study was conducted at a high-volume bariatric unit in the UK. Consecutive patients reviewed between January 2024, and June 2025 were assessed using the Sigstad questionnaire. Data collected included type of surgery, pre- and post-operative weight, body mass index (BMI), percentage total body weight loss (%TBWL), and presence of diabetes mellitus (DM). Statistical significance was set at <i>p</i> &lt; 0.05.</p> Results <p>A total of 358 patients were reviewed (median age 45 years, 88% women). Thirty-six patients (10%) scored ≥ 7, meeting criteria for DS. The majority (91.7%) developed symptoms within one year. Revisional surgery was associated with a significantly higher risk of DS (22% vs. 8.7%, <i>p</i> &lt; 0.01). No association was found with pre-existing DM (19% vs. 27%, <i>p</i> = 0.327). Patients with DS had lower post-operative BMI (33.2 vs. 40.5&#xa0;kg/m²) and greater %TBWL (17.9% vs. 12%), though differences in absolute weight and BMI did not reach significance. An additional 11 patients (3.4%) developed transient, diet-related symptoms that resolved spontaneously.</p> Conclusions <p>DS was present in 10% of patients, with a further 3.4% experiencing transient symptoms. Revisional surgery emerged as an independent risk factor, whereas no relationship with diabetes was observed. Early multidisciplinary input is recommended for high-risk patients, and multicentre studies are needed to standardise diagnostic and reporting methods.</p>

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Factors Predisposing to Development of Dumping Syndrome in Post Operative Bariatric Patients: Experience from a Tertiary Unit

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月14日

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  • Arkeliana Tase,
  • Alan Askari,
  • Mariam Abed,
  • Debbie Mussendeki,
  • Omer Al-Taan,
  • Aruna Munasinghe,
  • Farhan Rashid,
  • Tanveer Adil,
  • Periyathambi Jambulingam,
  • Douglas Whitelaw

摘要

Background

Dumping syndrome (DS) is a recognised complication after bariatric surgery but reported prevalence and associated risk factors vary widely. This study aimed to determine the prevalence of DS and to identify predisposing factors in post-operative bariatric patients.

Methods

A prospective observational cohort study was conducted at a high-volume bariatric unit in the UK. Consecutive patients reviewed between January 2024, and June 2025 were assessed using the Sigstad questionnaire. Data collected included type of surgery, pre- and post-operative weight, body mass index (BMI), percentage total body weight loss (%TBWL), and presence of diabetes mellitus (DM). Statistical significance was set at p < 0.05.

Results

A total of 358 patients were reviewed (median age 45 years, 88% women). Thirty-six patients (10%) scored ≥ 7, meeting criteria for DS. The majority (91.7%) developed symptoms within one year. Revisional surgery was associated with a significantly higher risk of DS (22% vs. 8.7%, p < 0.01). No association was found with pre-existing DM (19% vs. 27%, p = 0.327). Patients with DS had lower post-operative BMI (33.2 vs. 40.5 kg/m²) and greater %TBWL (17.9% vs. 12%), though differences in absolute weight and BMI did not reach significance. An additional 11 patients (3.4%) developed transient, diet-related symptoms that resolved spontaneously.

Conclusions

DS was present in 10% of patients, with a further 3.4% experiencing transient symptoms. Revisional surgery emerged as an independent risk factor, whereas no relationship with diabetes was observed. Early multidisciplinary input is recommended for high-risk patients, and multicentre studies are needed to standardise diagnostic and reporting methods.