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

Assessment of the Gastrointestinal System I: Subjective Data

Assessment of the Gastrointestinal System I: Subjective Data

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems related to...

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.

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 solid...

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:

Qualitative Analysis

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...

You might also read

Related Articles

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

Sort by

Same author

An Analysis of the Psychometric Properties of the Pediatric Inventory for Parents: Short Form Among Caregivers of Children Diagnosed With Autism Spectrum Disorder.

Journal of autism and developmental disorders·2026

Same author

Validation of a parent-report version of the Emotional Eating Scale Adapted for Children and Adolescents Short-Form in American mothers.

Journal of child health care : for professionals working with children in the hospital and community·2026

Same author

Assessing the association of physical distancing to avoid COVID-19 with health-related quality of life in immunocompromised adolescents: results from the cross-sectional observational EAGLE study.

Frontiers in pediatrics·2026

Same author

Effects of interventions for siblings of children with physical and psychological chronic health conditions: A systematic review.

Families, systems & health : the journal of collaborative family healthcare·2026

Same author

Factors Associated With Pre-donation Health-related Quality-of-Life Among Pediatric Sibling Hematopoietic Cell Donors: A DonorKids QL Study.

Transplantation and cellular therapy·2026

Same author

Safety and efficacy of a novel ultrathin gastroscope for unsedated transnasal endoscopy in children and adults for evaluation of upper GI disorders.

iGIE : innovation, investigation and insights·2026

Search research articles

Related Experiment Video

Updated: May 28, 2026

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management

Published on: June 29, 2019

PedsQL gastrointestinal symptoms module item development: qualitative methods.

James W Varni¹, Marie T Kay, Christine A Limbers

¹Department of Pediatrics, College of Medicine, Texas A&M University, College Station, TX, USA. jvarni@arch.tamu.edu

Journal of Pediatric Gastroenterology and Nutrition

|October 20, 2011

Summary

This summary is machine-generated.

This study developed a new Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptoms Module for children with GI disorders. Patient and parent input ensured content validity for the module, which is now in field testing.

Related Experiment Videos

Last Updated: May 28, 2026

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management

Published on: June 29, 2019

Area of Science:

Pediatric Gastroenterology
Health Outcomes Research
Psychometrics

Background:

Functional gastrointestinal (GI) disorders and organic GI diseases significantly impact pediatric quality of life.
Existing assessment tools may not fully capture the multifaceted experiences of children with GI disorders.

Purpose of the Study:

To develop items and establish content validity for the Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptoms Module.
To create a comprehensive module for pediatric patients with diverse GI conditions.

Main Methods:

Qualitative study employing multiphase methods, including literature review and expert opinion from pediatric gastroenterologists.
Focus interviews and cognitive interviewing (think-aloud, cognitive debriefing) with 46 pediatric patients (ages 5-18) and 52 parents (ages 2-18) diagnosed with various GI disorders.
Inclusion of conditions such as chronic constipation, functional abdominal pain, irritable bowel syndrome, inflammatory bowel disease, and gastroesophageal reflux disease.

Main Results:

Eleven distinct domains were identified through qualitative methods and expert input, achieving content saturation.
A total of 76 items were generated, covering key areas like stomach pain, food/drink limitations, swallowing difficulties, reflux, gas/bloating, bowel function, and emotional impact (worry, communication).

Conclusions:

The use of qualitative methods, including direct input from pediatric patients and parents, successfully supported the content validity of the PedsQL Gastrointestinal Symptoms Module.
The module is currently undergoing national multisite field testing as the subsequent phase of development.