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Summary: Background: Rumination syndrome is a functional gastroduodenal disorder characterised by effortless regurgitation of recently ingested food. Emerging evidence reports duodenal eosinophilic inflammation in a subset, suggesting a shared pathophysiology with functional dyspepsia (FD). Aim: To assess the clinical features of rumination syndrome and FD in a community‐based study. Methods: We mailed a survey assessing gastrointestinal symptoms, diet and psychological symptoms to 9835 residents of Olmsted County, MN, USA in 2017‐2018; diagnostic codes were obtained from linked clinical records. The two disorders were assessed as mutually exclusive in 'pure' forms with a separate overlap group, all compared to a control group not meeting criteria for either. Prevalence of associations, and univariate and independent associations with predictors were assessed by logistic regression. Results: Prevalence of rumination syndrome and FD were 5.8% and 7.1%, respectively; the overlap was 3.83‐times more likely than expected by chance. Independent predictors for rumination (odds ratio (OR), 95% confidence interval (CI)) were female gender (1.79, 1.21‐2.63), smoking (1.89, 1.28‐2.78), gluten‐free diet (1.58, 1.14‐2.19), allergic rhinitis (1.45, 1.01‐2.08) and depression (1.10, 1.05‐1.16). FD was independently associated with female gender, depression, non‐coeliac wheat sensitivity, migraine, irritable bowel syndrome and somatic symptoms. A similar reported efficacy (≥54%) of low fat or dairy‐free diets was found with both disorders (P = 0.53 and P = 1.00, respectively). The strongest independent associations with overlapping FD and rumination syndrome were a history of rheumatoid arthritis (3.93, 1.28‐12.06) and asthma (3.02, 1.44‐6.34). Conclusion: Rumination syndrome overlaps with FD with a shared risk factor profile, suggesting a common pathophysiology. [ABSTRACT FROM AUTHOR]

Background & Aims: Functional dyspepsia (FD) is a common morbid condition but data are limited on the direct and indirect costs for employees with FD or on its impact on productivity. Few data on absenteeism and no objective information are available. This study aimed to assess the impact of FD on costs and effects on absenteeism and work output (productivity). Methods: We performed a retrospective analysis of payroll data and adjudicated health insurance medical and prescription claims collected over a 4-year study period (January 1, 2001 to December 31, 2004) from more than 300,000 employees. Data from employees with and without (controls) FD were compared using 2-part regression techniques. Outcome measures included medical (total and by place of service) and prescription costs, absenteeism, and objectively measured productivity output. Results: Employees with FD (N = 1669) had greater average annual medical and prescription drug costs and indirect costs (owing to sick leave and short- and long-term disability absences) than controls (N = 274,206). Compared with controls, the FD employees incurred costs that were $5138 greater and had greater costs for each place of service (all P < .0001). The employees with FD had an additional 0.83 absence days per year and produced 12% fewer units per hour than controls (both P < .05). Conclusions: Employees with FD have greater costs at all places of service and lower productivity than employees without FD. [Copyright &y& Elsevier]

BACKGROUND: The heterogeneity of the dyspepsia symptom complex is well known. Several attempts to classify dyspepsia into subgroups have been proposed as a basis for diagnosis and therapy, but data are conflicting. We postulated that dyspepsia comprises three distinct subsets, characterized by pain, early satiety, or nausea/vomiting. We aimed to identify these subsets of dyspepsia: “frequent upper abdominal pain (UAP),”“early satiety (ES),” and “nausea/vomiting (NV).” METHODS: A population-based, cross-sectional survey study was conducted by mailing a valid questionnaire to an age- and gender-stratified random sample of residents of Olmsted County, MN, aged 20–94 yr (response rate 55%). Dyspepsia and irritable bowel syndrome (IBS) prevalence were estimated by Rome II criteria; gastroesophageal reflux (GERD) by weekly or more frequent heartburn or acid regurgitation. Dyspepsia subgroups were categorized based on a priori defined symptoms. RESULTS: The prevalence (95% CI) of dyspepsia was 15% (14, 17). Of 351 dyspeptic subjects, 51% (46, 56) reported UAP, 21% (16, 25) NV, and 47% (42, 52) ES. The overlap of the subgroups was significantly less than expected by chance. Among the three groups, the subjects were similar in age, educational level, IBS status, and overall symptom severity. A high somatic symptom checklist score and those with GERD were associated with greater odds for reporting combination symptoms compared with the upper abdominal pain subgroup of dyspepsia or the early satiety subgroup of dyspepsia, respectively. CONCLUSION: Distinct subgroups of uninvestigated dyspepsia do exist in the general population, suggesting that separate evaluation and treatment strategies are needed. [ABSTRACT FROM AUTHOR]