Characterization of gastric dysfunction after fundoplication using body surface gastric mapping

Xu, William; Wang, Tim; Foong, Daphne; Schamberg, Gabe; Evennett, Nicholas; Beban, Grant; Gharibans, Armen; Calder, Stefan; Daker, Charlotte; Ho, Vincent; O’Grady, Greg

doi:10.1016/j.gassur.2023.12.023

Journal of Gastrointestinal Surgery

2024

DOI: 10.1016/j.gassur.2023.12.023

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Characterization of gastric dysfunction after fundoplication using body surface gastric mapping

William Xu,

Tim Wang,

Daphne Foong

et al.

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Cited by 2 publications

References 57 publications

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A Standardized Classification Scheme for Gastroduodenal Disorder Evaluation Using the Gastric Alimetry System: Prospective Cohort Study

Varghese,

Schamberg,

Uren

et al. 2025

Gastro Hep Advances

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A Standardized Classification Scheme for Gastroduodenal Disorder Evaluation Using the Gastric Alimetry System: Prospective Cohort Study

Varghese,

Schamberg,

Uren

et al. 2025

Gastro Hep Advances

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Short‐ and long‐term reproducibility of body surface gastric mapping using the Gastric Alimetry® system

Law,

Schamberg,

Gharibans

et al. 2024

Neurogastroenterology Motil

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BackgroundMany diagnostic tests for gastroduodenal symptoms, such as gastric emptying scintigraphy (GES), gastric emptying breath tests (GEBT), and electrogastrography (EGG) show variable intra‐individual reproducibility over time. This study investigated the short‐ and long‐term reproducibility of body surface gastric mapping (BSGM), a non‐invasive test for assessing gastric function, in controls and patients with chronic gastroduodenal disorders.MethodsParticipants completed three standardized BSGM tests using Gastric Alimetry® (Alimetry, New Zealand). The test encompassed a fasting baseline (30 min), a 482 kCal standard meal, and a 4 h postprandial recording. The first two tests were >6 months apart and the last occurred ~1 week after the second test, to evaluate long and short‐term reproducibility.ResultsFourteen patients with upper gastrointestinal symptoms and 14 healthy controls were recruited. There were no significant differences in any BSGM metrics between the tests at short and long term (all p > 0.180). Lin's concordance correlation coefficients (CCC) for the primary metrics were high, ranging from 0.58 to 0.96, with intra‐individual coefficients of variance (CVintra) ranging from 0.2% to 1.9%. Reproducibility was higher, and intra‐individual variation lower, than in previous studies of GES (CCC = 0.54–0.83, CVintra = 3%–77%), GEBT (CVintra = 8%–11%), and EGG (CVintra = 3%–78%).ConclusionsBSGM spectral metrics demonstrate high reproducibility and low intra‐individual variation at both short and long term, with superior results to comparable tests. The high reproducibility of Gastric Alimetry supports its role as a diagnostic aid for gastric dysfunction and a reliable tool for evaluating treatment outcomes and disease progression over time.

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Characterization of gastric dysfunction after fundoplication using body surface gastric mapping

Cited by 2 publications

References 57 publications

A Standardized Classification Scheme for Gastroduodenal Disorder Evaluation Using the Gastric Alimetry System: Prospective Cohort Study

A Standardized Classification Scheme for Gastroduodenal Disorder Evaluation Using the Gastric Alimetry System: Prospective Cohort Study

Short‐ and long‐term reproducibility of body surface gastric mapping using the Gastric Alimetry® system

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