Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

259
Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
259
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

153
Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
153
Measurements of Strain01:27

Measurements of Strain

2.0K
Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
2.0K
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

318
Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
318
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

175
The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
175
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

267
Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
267

You might also read

Related Articles

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

Sort by
Same author

Pediatric Esophageal Biomechanics and Remodeling: Integrating Distensibility and Compliance Beyond Luminal Diameter.

Journal of gastroenterology and hepatology·2026
Same author

Predictors of anastomotic leak and a risk-stratified approach to post-operative esophagograms in pediatric esophageal repair.

Pediatric surgery international·2026
Same author

In-hospital mortality among patients with congenital heart disease undergoing noncardiac procedures: machine learning analysis of a multicentre study.

BJA open·2026
Same author

Response to: Reliability of the Pediatric Specific ASA Physical Status Classification.

Paediatric anaesthesia·2026
Same author

South African Paediatric Surgical Outcomes Study-2 (SAPSOS-2): a prospective multi-centre pre-post study evaluating haemoglobin response to oral iron for iron-deficiency anaemia in children undergoing elective noncardiac surgery.

British journal of anaesthesia·2026
Same author

Anesthesia Care, Complications, and Airway Management for Patients With Spinal Muscular Atrophy: A Retrospective Chart Review From a Quaternary Children's Hospital.

Anesthesia and analgesia·2026

Related Experiment Video

Updated: Aug 28, 2025

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection
05:57

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection

Published on: February 10, 2017

8.6K

Measurement of Stricture Dimensions Using a Visual Comparative Estimation Method With Biopsy Forceps During

Jessica L Yasuda1, Steven J Staffa2, Gabriela Taslitksy1

  • 1From the Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, MA.

Journal of Pediatric Gastroenterology and Nutrition
|September 20, 2022
PubMed
Summary

Accurately estimating esophageal stricture diameter during endoscopy is now possible. Using biopsy forceps as a visual guide provides high accuracy, comparable to fluoroscopic measurements, aiding treatment decisions.

More Related Videos

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

31.9K
Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes
08:52

Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes

Published on: February 5, 2021

4.5K

Related Experiment Videos

Last Updated: Aug 28, 2025

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection
05:57

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection

Published on: February 10, 2017

8.6K
Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

31.9K
Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes
08:52

Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes

Published on: February 5, 2021

4.5K

Area of Science:

  • Pediatric Gastroenterology
  • Endoscopic Imaging
  • Medical Device Calibration

Background:

  • Accurate measurement of esophageal stricture diameter is crucial for effective endoscopic therapy and patient outcome prediction.
  • Current methods for estimating stricture dimensions during endoscopy are largely subjective.
  • Standardized, objective measurement techniques are needed to improve patient care.

Purpose of the Study:

  • To evaluate the accuracy of visually estimating esophageal stricture diameter using biopsy forceps during endoscopy.
  • To compare visual estimations with standard intraoperative esophageal fluoroscopy measurements.
  • To determine the reliability of a simple visual method for assessing stricture size in pediatric patients.

Main Methods:

  • Retrospective analysis of 191 endoscopic procedures in children with repaired esophageal atresia (August 2019 - August 2021).
  • Comparison of visual diameter estimates (using biopsy forceps as reference) with intraoperative esophageal fluoroscopy measurements.
  • Statistical analysis using Lin's concordance correlation coefficient to assess agreement between methods.

Main Results:

  • High concordance (Lin's CCC = 0.92) was observed between visual estimates and fluoroscopic measurements.
  • The correlation was strongest for smaller to mid-sized strictures.
  • The biopsy forceps proved to be a reliable visual reference for diameter estimation.

Conclusions:

  • Visual estimation of esophageal stricture diameter using biopsy forceps is an accurate and reliable method.
  • This technique offers high concordance with standard fluoroscopic measurements.
  • Commonly available endoscopic tools can be utilized for precise stricture dimension assessment, improving therapeutic planning.