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1.
J Pediatr Gastroenterol Nutr ; 78(5): 1082-1090, 2024 May.
Article in English | MEDLINE | ID: mdl-38385686

ABSTRACT

OBJECTIVES: Diagnosis of rumination syndrome (RS) relies on Rome IV criteria. Oesophageal high-resolution impedance manometry (HRIM) can objectively demonstrate the episodes of rumination, but its role in the diagnostic pathway is not yet established. We aimed to demonstrate the clinical contribution of this tool for the timely diagnosis of RS and diagnostic work-up of children with unexplained foregut symptoms deemed to be due to other conditions. METHODS: HRIMs performed between 2012 and 2021 were searched to retrieve all diagnoses of RS. Medical records were reviewed for clinical data. RESULTS: Out of 461 HRIMs performed, 76 children had manometric diagnosis of RS (35 male, median age: 13 years). Of them, 47% were not clinically suspected as the symptoms did not fulfil clinical criteria for RS. The indications for HRIM in these cases were investigation of unexplained foregut symptoms (37%), suspected refractory gastroesophageal reflux disease (8%) and dysphagia (2%). Among all HRIMs performed for investigations of unexplained foregut symptoms (n = 80), 35% demonstrated rumination episodes. CONCLUSION: Identification of characteristic patterns of rumination on HRIM in children with unexplained foregut symptoms enables the immediate diagnosis of RS. Thus, in situations of diagnostic uncertainty, the use of HRIM at early stages of the diagnostic pathway would reduce unnecessary investigations and treatments.


Subject(s)
Electric Impedance , Manometry , Rumination Syndrome , Humans , Manometry/methods , Male , Female , Adolescent , Rumination Syndrome/diagnosis , Rumination Syndrome/physiopathology , Child , Retrospective Studies , Esophagus/physiopathology , Gastroesophageal Reflux/diagnosis , Gastroesophageal Reflux/physiopathology , Medically Unexplained Symptoms
2.
Gastroenterol Hepatol ; 45(2): 155-163, 2022 Feb.
Article in English, Spanish | MEDLINE | ID: mdl-34023479

ABSTRACT

Rumination syndrome is a functional disorder characterized by the involuntary regurgitation of recently swallowed food from the stomach into the mouth, from where it can be re-chewed or expelled. Clinically, it is characterized by repeated episodes of effortless food regurgitation. The most usual complaint is frequent vomiting. The physical mechanism that generates regurgitation events is dependent on an involuntary process that alters abdominal and thoracic pressures accompanied by a permissive oesophageal-gastric junction. The diagnosis of rumination syndrome is clinical, highlighting the importance of performing an exhaustive anamnesis on the characteristics of the symptoms. Complementary tests are used to corroborate the diagnosis or rule out organic pathology. Treatment is focused on behavioural therapies as the first line, reserving pharmacological and surgical therapies for refractory cases.


Subject(s)
Rumination Syndrome , Baclofen/therapeutic use , Behavior Therapy , Chewing Gum , Esophageal pH Monitoring , Esophagogastric Junction/physiopathology , Gastrointestinal Agents/therapeutic use , Humans , Manometry , Neurotransmitter Agents/therapeutic use , Postprandial Period , Psychotherapy , Rumination Syndrome/complications , Rumination Syndrome/diagnosis , Rumination Syndrome/physiopathology , Rumination Syndrome/therapy , Vomiting/etiology
3.
Sci Rep ; 11(1): 11490, 2021 06 01.
Article in English | MEDLINE | ID: mdl-34075112

ABSTRACT

Inhibitory control underlies one's ability to maintain goal-directed behavior by inhibiting prepotent responses or ignoring irrelevant information. Recent models suggest that impaired inhibition of negative information may contribute to depressive symptoms, and that this association is mediated by rumination. However, the exact nature of this association, particularly in non-clinical samples, is unclear. The current study assessed the relationship between inhibitory control over emotional vs. non-emotional information, rumination and depressive symptoms. A non-clinical sample of 119 participants (mean age: 36.44 ± 11.74) with various levels of depressive symptoms completed three variations of a Go/No-Go task online; two of the task variations required either explicit or implicit processing of emotional expressions, and a third variation contained no emotional expressions (i.e., neutral condition). We found reductions in inhibitory control for participants reporting elevated symptoms of depression on all three task variations, relative to less depressed participants. However, for the task variation that required implicit emotion processing, depressive symptoms were associated with inhibitory deficits for sad and neutral, but not for happy expressions. An exploratory analysis showed that the relationship between inhibition and depressive symptoms occurs in part through trait rumination for all three tasks, regardless of emotional content. Collectively, these results indicate that elevated depressive symptoms are associated with both a general inhibitory control deficit, as well as affective interference from negative emotions, with implications for the assessment and treatment of mood disorders.


Subject(s)
Depression/psychology , Facial Expression , Inhibition, Psychological , Rumination Syndrome/psychology , Adolescent , Adult , Aged , Depression/pathology , Depression/physiopathology , Female , Humans , Male , Middle Aged , Rumination Syndrome/pathology , Rumination Syndrome/physiopathology
4.
Neurogastroenterol Motil ; 33(8): e14103, 2021 08.
Article in English | MEDLINE | ID: mdl-33729638

ABSTRACT

BACKGROUND: Rumination syndrome involves effortless, repeated regurgitation, and can overlap with other upper gastrointestinal disorders, including gastroparesis. To inform better diagnostic detection of rumination, we aimed to (1) identify frequency and characteristics of rumination in patients presenting for gastric symptom evaluation; and (2) assess demographic and clinical characteristics that could differentiate those with versus those without rumination. METHODS: Consecutively referred patients to two tertiary academic centers for gastric symptom specialty evaluation were included (N = 242). We obtained demographic information, gastric emptying scintigraphy, upper gastrointestinal symptoms using the Patient Assessment of Upper Gastrointestinal Symptoms (PAGI-SYM), and Rome IV-based rumination questionnaire. KEY RESULTS: Thirty-one of the 242 (12.8%) patients met criteria for rumination syndrome, of which 48% reported associated psychosocial impairment. Comparing those with rumination and those without, there were no differences in race, gender, frequency of diabetes, or frequency of gastroparesis. The median PAGI-SYM score for rumination patients was higher than for those without (3.03 vs. 2.55; unadjusted p = 0.043, adjusted p = 0.30). This was largely driven by increased heartburn/regurgitation subscale scores (2.71 vs. 1.57, unadjusted p = 0.0067, adjusted p = 0.046), itself influenced by elevated daytime regurgitation/reflux (3.0 vs. 2.0; unadjusted p = 0.007, adjusted p = 0.048). There were no significant differences on the remaining PAGI-SYM subscales. CONCLUSIONS AND INFERENCES: Rumination syndrome determined by Rome IV criteria was present in 12.8% of patients presenting for gastric symptom evaluation. Higher self-report PAGI-SYM heartburn/regurgitation subscale scores, particularly daytime regurgitation/reflux symptoms, were the only parameters that distinguished rumination. The PAGI-SYM heartburn/regurgitation subscale could be used to screen for rumination, in addition to GERDAQ6.


Subject(s)
Gastric Emptying/physiology , Gastroesophageal Reflux/diagnosis , Heartburn/diagnosis , Rumination Syndrome/diagnosis , Adult , Female , Gastroesophageal Reflux/physiopathology , Heartburn/physiopathology , Humans , Male , Middle Aged , Quality of Life , Rumination Syndrome/physiopathology , Severity of Illness Index , Surveys and Questionnaires , Symptom Assessment
5.
PLoS One ; 15(7): e0235378, 2020.
Article in English | MEDLINE | ID: mdl-32673334

ABSTRACT

Reminiscing, or thinking and talking about our past experiences, can have mood enhancing effects. Rumination is implicated in reminiscence and yet has been shown to have negative effects on mood, with important differences between age groups. However, age differences in the effects of reminiscing on mood, and particularly the effects of rumination within reminiscence, are less explored. Two different age groups completed self-report measures of the positive directive (planning for present and future behaviors) and social (communication) uses of autobiographical memory, as well as maladaptive rumination and depression symptom severity. Young participants (Mean age: 21.82) ruminated more and reported greater frequency of using the directive and social functions of thinking and talking about past experiences than older adults (Mean age: 71.82). These reminiscence processes were also differentially associated with depression symptoms between age groups when tested in structural equation models. In older participants, but not young participants, the directive function was negatively associated with depression severity; in young participants, but not old participants, the social function was negatively associated with depression severity. Furthermore, although depressive and abstract rumination was directly positively related to depression scores in both samples, this association was inverted when the effect of rumination on depression was calculated through functions of reminiscence. The implications of these results for intervention development in older versus young adults, is discussed.


Subject(s)
Affect/physiology , Depression/psychology , Memory, Episodic , Rumination Syndrome/psychology , Adult , Age Factors , Aged , Depression/physiopathology , Female , Humans , Male , Middle Aged , Rumination Syndrome/physiopathology , Self Report , Thinking/physiology , Young Adult
6.
Neurogastroenterol Motil ; 32(11): e13873, 2020 11.
Article in English | MEDLINE | ID: mdl-32383546

ABSTRACT

BACKGROUND: Pathophysiology of rumination syndrome (RS) is not well understood. Treatment with diaphragmatic breathing improves rumination syndrome. The aim of the study was to characterize vagal tone in patients with rumination syndrome during and after meals and during diaphragmatic breathing. METHODS: We prospectively recruited 10 healthy volunteers (HV) and 10 patients with RS. Subjects underwent measurement of vagal tone using heart rate variability. Vagal tone was measured during baseline, test meal and intervention (diaphragmatic (DiaB), slow deep (SlowDB), and normal breathing). Vagal tone was assessed using mean values of root mean square of successive differences (RMSSD), and area under curves (AUC) were calculated for each period. We compared baseline RMSSD, the AUC and meal-induced discomfort scores between HV and RS. Furthermore, we assessed the effect of respiratory exercises on symptom scores, and number of rumination episodes. KEY RESULTS: There was no significant difference in baseline vagal tone between HV and RS. During the postprandial period, there was a trend to higher vagal tone in RS, but not significantly (P > .2 for all). RS had the higher total symptom scores than HV (P < .011). In RS, only DiaB decreased the number of rumination episodes during the intervention period (P = .028), while both DiaB and SlowDB increased vagal tone (P < .05 for both). The symptom scores with the 3 breathing exercises showed very similar trends. CONCLUSIONS AND INFERENCES: Patients with RS do not have decreased vagal tone related to meals. DiaB reduced number of rumination events by a mechanism not related to changes in vagal tone.


Subject(s)
Breathing Exercises/methods , Rumination Syndrome/physiopathology , Rumination Syndrome/therapy , Vagus Nerve/physiopathology , Adult , Case-Control Studies , Female , Heart Rate/physiology , Humans , Male , Young Adult
7.
Neurogastroenterol Motil ; 32(10): e13861, 2020 10.
Article in English | MEDLINE | ID: mdl-32391594

ABSTRACT

High-resolution manometry revolutionized the assessment of esophageal motility disorders and upgraded the classification through the Chicago Classification. A known disadvantage of standard HRM, however, is the inability to record esophageal motility function for an extended time interval; therefore, it represents only a more snapshot view of esophageal motor function. In contrast, ambulatory esophageal manometry measures esophageal motility over a prolonged period and detects motor activity during the entire circadian cycle. Furthermore, ambulatory manometry has the ability to measure temporal correlations between symptoms and motor events. This article aimed to review the clinical implications of ambulatory esophageal manometry for various symptoms, covering literature on the manometry catheter, interpretation of findings, and relevance in clinical practice specific to the evaluation of non-cardiac chest pain, chronic cough, and rumination syndrome.


Subject(s)
Chest Pain/diagnosis , Cough/diagnosis , Esophagus/physiology , Manometry/methods , Monitoring, Ambulatory/methods , Rumination Syndrome/diagnosis , Chest Pain/physiopathology , Cough/physiopathology , Esophageal Motility Disorders/diagnosis , Esophageal Motility Disorders/physiopathology , Gastroesophageal Reflux/diagnosis , Gastroesophageal Reflux/physiopathology , Humans , Rumination Syndrome/physiopathology
8.
J Clin Gastroenterol ; 54(1): 28-34, 2020 01.
Article in English | MEDLINE | ID: mdl-30575633

ABSTRACT

GOALS AND BACKGROUND: Baseline impedance measured during high-resolution impedance manometry (HRIM) can distinguish patients with gastroesophageal reflux disease (GERD) from controls, presumably due to differences in esophageal acid exposure. The characteristics of regurgitation and reflux in rumination syndrome and GERD are very different, and thus we investigated whether baseline esophageal impedance would differ in these 2 patient groups compared with controls. STUDY: We compared 20 patients with rumination syndrome with 20 patients who had GERD and 40 controls. Baseline impedance was measured over 15 seconds during the landmark period of HRIM in all 18 impedance sensors on a HRIM catheter. RESULTS: The mean distal baseline impedance measured in ohms during HRIM was 1336 Ω [95% confidence interval (CI)=799, 1873) in patients with GERD, 1536 Ω in rumination syndrome (95% CI=1012, 2061), and 3379 Ω in controls (95% CI=2999, 3759) (P<0.0001). Proximal impedance was significantly lower in the GERD and rumination groups compared with controls; rumination syndrome (2026; 95% CI=1493, 2559 Ω), GERD (2572; 95% CI=2027, 3118 Ω), and controls (3412; 95% CI=3026, 3798 Ω) (P<0.001). CONCLUSIONS: Baseline impedance measured during HRIM in patients with rumination syndrome is significantly lower than controls and appears similar to patients with GERD both in the proximal and distal esophagus. These findings suggest that the postprandial regurgitation in rumination syndrome alters both the distal and proximal esophageal mucosal barrier.


Subject(s)
Electric Impedance , Gastroesophageal Reflux/physiopathology , Manometry/statistics & numerical data , Rumination Syndrome/physiopathology , Adult , Esophagus/physiopathology , Female , Humans , Male , Manometry/methods , Middle Aged , Postprandial Period , Reference Values , Young Adult
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