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Matthew Hoscheit,Scott Gabbard 대한소화기 기능성질환∙운동학회 2019 Journal of Neurogastroenterology and Motility (JNM Vol.25 No.4
Background/Aims Timed barium esophagram (TBE) is used the classification of esophageal motility disorders and assessing esophageal function. Currently, there are no published studies examining the relationship between high-resolution manometry and TBE in patients with esophagogastric junction outflow obstruction (EGJOO). This study seeks to evaluate this relationship and identify manometric variables that may indicate further evaluation using TBE. Methods Retrospective review of medical records identified patients with a diagnosis of EGJOO per the Chicago classification version 3.0. TBE was performed using standard protocol. Patients were divided into 2 groups based on complete emptying or persistence of standing barium column at 5 minutes. Results Eleven patients were identified with EGJOO who underwent both high-resolution manometry and TBE within 3 months. Five patients had no standing barium column at 5 minutes, while 6 patients had a persistent barium column. Mean age of each group was 54.0 years and 57.8 years, respectively. Patients with abnormal TBE were found to have significantly elevated intrabolus pressure (IBP) compared with patients who had a normal TBE. Conclusions In our study, we found significant differences in IBP between these patient groups. These findings suggest that patients with EGJOO and elevated IBP may prompt further clinical evaluation with TBE in order to clarify clinical diagnosis and guide therapeutic intervention.
Afrin N Kamal,Kevin B Harris,Shashank Sarvapalli,Gregory S Sayuk,C Prakash Gyawali,Scott Gabbard 대한소화기 기능성질환∙운동학회 2023 Journal of Neurogastroenterology and Motility (JNM Vol.29 No.1
Background/AimsCyclic vomiting syndrome (CVS) is characterized by episodes of nausea and vomiting, separated by symptom-free intervals. The pathogenesis of CVS is poorly understood. Limited data exist on evaluating impaired gastric accommodation as a mechanistic means for symptoms. We aim to determine if CVS patients demonstrate impaired gastric accommodation applying a nutrient drink test (NDT) protocol. MethodsThrough this single-blinded pilot clinical trial, patients with CVS per Rome IV critera and healthy controls were assessed for presence of impaired gastric accommodation by administering an established NDT protocol. Statistical analysis was performed, with data presented as medians and interquartile range. ResultsEleven CVS patients and 15 healthy controls participated in the study between January 2018 and October 2018. Median age was 42.0 years and 37.0 years; majority of subjects were female, 72.7% and 73.3%, respectively. Demographics were similar between CVS and healthy controls. Almost all healthy controls (93.3%) ingested the complete 500 mL protocol, whereas a smaller proportion (72.7%) were able to complete all 4 doses in the CVS group (P = 0.188). Post-prandial visual analogue scale scores of nausea and abdominal pain were found to be significantly higher in CVS patients compared to healthy controls. ConclusionsTo our knowledge, this is the first NDT protocol in CVS evaluating the role of impaired gastric accommodation and hypersensitivity as a possible pathophysiologic mechanism. Findings from this study suggest the presence of gastric hypersensitivity in a subset of CVS patients. These results provide the foundational data necessary for future larger testing of NDT and diagnostic accuracy in CVS.