Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A pause before connecting insufflation tubing to decrease the risk of air embolism.

Surgical endoscopy·2026

Same author

Gastric-type Histology Independently Predicts Poor Survival in Surgically-treated Cervical Adenocarcinoma.

Anticancer research·2026

Same author

Transfascial temporary fixation is associated with an increased rate of return to the operating room after gastrostomy tube dislodgement when compared to the subcutaneous stay suture technique: A single-institution retrospective analysis.

Journal of pediatric surgery·2026

Same author

A novel gastrostomy tube anchor dressing designed to stabilize and prevent tube dislodgements.

Journal of pediatric surgery·2026

Same author

Autonomous OCT-Guided Robotic System for Vertical Needle Insertion and Big-Bubble Dissection in Corneal Transplantation.

IEEE transactions on bio-medical engineering·2026

Same author

Sprayable Polymer Blends With Short-Chain Surface Segregation for Preventing Postoperative Abdominal Adhesions.

Advanced healthcare materials·2026

Search research articles

Related Experiment Video

Updated: Aug 19, 2025

Multimodality Diagnosis of Mesenteric Ischemia

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Unsupervised and quantitative intestinal ischemia detection using conditional adversarial network in multimodal

Yaning Wang¹, Laura Tiusaba², Shimon Jacobs²

¹Johns Hopkins University, Department of Electrical and Computer Engineering, Baltimore, Maryland, United States.

Journal of Medical Imaging (Bellingham, Wash.)

|December 5, 2022

Summary

A new deep learning model using laser speckle contrast imaging (LSCI) and a visible-light camera can objectively assess bowel perfusion during surgery. This method accurately identifies ischemic regions, improving diagnostic accuracy for gastrointestinal surgeries.

Keywords:

deep learning dye-free tissue perfusion assessment generative adversarial network laser speckle contrast imaging multimodal optical imaging unsupervised anomaly detection

More Related Videos

Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing

Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing

Published on: September 13, 2016

In Vivo Multimodal Imaging and Analysis of Mouse Laser-Induced Choroidal Neovascularization Model

In Vivo Multimodal Imaging and Analysis of Mouse Laser-Induced Choroidal Neovascularization Model

Published on: January 21, 2018

Related Experiment Videos

Last Updated: Aug 19, 2025

Multimodality Diagnosis of Mesenteric Ischemia

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing

Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing

Published on: September 13, 2016

In Vivo Multimodal Imaging and Analysis of Mouse Laser-Induced Choroidal Neovascularization Model

In Vivo Multimodal Imaging and Analysis of Mouse Laser-Induced Choroidal Neovascularization Model

Published on: January 21, 2018

Area of Science:

Medical Imaging
Artificial Intelligence
Gastroenterology

Background:

Intraoperative assessment of bowel perfusion relies on subjective evaluation.
Objective and quantitative methods for assessing intestinal viability are limited.
Accurate assessment of bowel perfusion is critical for successful intestinal anastomosis.

Purpose of the Study:

To develop an objective, quantitative method for evaluating bowel perfusion.
To identify abnormal tissue perfusion regions during surgery.
To address the clinical need for improved bowel viability assessment.

Main Methods:

A dual-modality imaging system combining red-green-blue (RGB) and dye-free laser speckle contrast imaging (LSCI) was used.
A conditional generative adversarial network (cGAN) deep learning model was trained on swine model data.
The cGAN model performed image alignment and learned normal perfusion patterns for unsupervised detection of abnormalities.

Main Results:

The cGAN model accurately segmented ischemic intestine images with a Dice coefficient of 90.77% and accuracy of 93.06%.
The model processed images rapidly (0.05 seconds per image).
The unsupervised approach eliminated the need for subjective manual annotations.

Conclusions:

The proposed cGAN offers pixel-wise, dye-free quantitative analysis of intestinal perfusion.
This method supplements traditional LSCI techniques, enhancing diagnostic capabilities.
It has the potential to improve intraoperative diagnosis and clinical outcomes in gastrointestinal surgeries.