Evidence map›Paper›PMID 39673155›Full record

ArticleNeurogastroenterology and motility2025

A Software Framework for the Functional Lumen Imaging Probe-Mechanics (MechView).

Sourav Halder, Wenjun Kou, Eric Goudie, Peter J Kahrilas, Neelesh A Patankar, Dustin A Carlson, John E Pandolfino

Abstract read
In one paragraph

Article in Neurogastroenterology and motility, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Sourav HalderDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.
Wenjun KouDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.
Eric GoudieDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.
Peter J KahrilasDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.ORCID https://orcid.org/0000-0002-8260-1250
Neelesh A PatankarDepartment of Mechanical Engineering, McCormick School of Engineering, Northwestern University, Evanston, Illinois, USA.
Dustin A CarlsonDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.ORCID https://orcid.org/0000-0002-1702-7758
John E PandolfinoDivision of Gastroenterology and Hepatology, Department of Medicine, Feinberg School of Medicine, Kenneth C. Griffin Esophageal Center, Northwestern Medicine, Northwestern University, Chicago, Illinois, USA.

Funding

Role of altered response to volumetric distension in esophageal diseaseP01DK117824 · NIDDK · NORTHWESTERN UNIVERSITY AT CHICAGO · PI PANDOLFINO, JOHN E · 2018 to 2022
$7.3M
The mechanics of symptom generation in dysphagiaR01DK079902 · NIDDK · NORTHWESTERN UNIVERSITY AT CHICAGO · PI PANDOLFINO, JOHN E · 2009 to 2017
$2.9M
Evolution of the Chicago Classification: Bridging Physiology and MechanicsR01DK137775 · NIDDK · NORTHWESTERN UNIVERSITY AT CHICAGO · PI Dustin Allan Carlson, JOHN E PANDOLFINO · 2024 to 2026
$1.3M
NIDDK NIH HHS P01 DK117824NIDDK NIH HHS R01 DK079902NIDDK NIH HHS R01 DK137775
6 · The paper itself

Abstract

backgroundThe functional lumen imaging probe (FLIP) has proven to be a versatile device for diagnosing esophageal motility disorders and estimating esophageal wall compliance, but there is a lack of viable software for quantitative assessment of FLIP measurements.

methodsA Python-based web framework was developed for a unified assessment of FLIP measurements including clinical metrics such as esophagogastric junction (EGJ) distensibility index (DI), maximum EGJ opening diameter, mechanics-based metrics for estimating strength, and effectiveness of contractions, such as contraction power and displaced volume, and machine learning-based clustering and predictive algorithms such as the virtual disease landscape (VDL) and EGJ obstruction probability. The clinical and VDL probability metrics were then validated using FLIP data from 121 subjects constituting different categories of EGJ opening which were diagnosed by expert clinicians.

resultsThe clinical metrics estimated by the framework matched the manual diagnosis of the clinicians. Misclassifications were minimal and were mostly between neighboring groups, that is, normal and borderline normal or borderline normal and borderline reduced EGJ opening. Similar results were also obtained for the VDL probability metrics. The misclassifications were further analyzed by clinicians and approved.

conclusionThe FLIP web framework was developed and validated to reliably estimate various clinical, mechanical, and machine learning-based metrics for diagnosing esophageal motility disorders.

Indexed as

Esophageal Motility DisordersEsophagogastric JunctionSoftwareHumansMachine LearningManometryachalasiadysphagiaesophageal biomechanicsesophageal motility disordersfunctional lumen imaging probe

Identifiers

PMID39673155
PMCPMC11748822

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.