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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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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:
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Assessment of the Rectum and Anus01:25

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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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.
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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Assessment of the Gastrointestinal System I: Subjective Data01:17

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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.
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Serum Laboratory Studies, Stool Test, Breath Test01:30

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Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
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Related Experiment Video

Updated: Mar 24, 2026

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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Patient-Reported Attributions for Missed Colonoscopy Appointments in Two Large Healthcare Systems.

Viraj Bhise1,2,3, Varsha Modi1,2, Anisha Kalavar4

  • 1Houston Veterans Affairs Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA.

Digestive Diseases and Sciences
|March 14, 2016
PubMed
Summary
This summary is machine-generated.

Missed colonoscopy appointments are often due to preventable travel and scheduling issues. Public health systems should create tailored interventions to reduce no-shows and improve colorectal cancer screening access.

Keywords:
Colonoscopy no-showColorectal cancerDiagnostic delaysPatient adherence

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Area of Science:

  • Public Health
  • Gastroenterology
  • Health Services Research

Background:

  • Missed colonoscopy appointments contribute to delayed colorectal cancer diagnosis.
  • This is a significant concern in public health systems serving vulnerable populations.
  • Understanding reasons for no-shows is crucial for improving screening rates.

Purpose of the Study:

  • To identify patient and health service barriers leading to missed colonoscopy appointments.
  • To compare reasons for missed appointments across two large public health systems in Houston, TX.

Main Methods:

  • A telephone survey was conducted with patients who missed colonoscopy appointments.
  • The survey collected data on patient-specific (procedural, cognitive-emotional, health status) and health services (logistical, scheduling) barriers.
  • Differences in barrier attributions between the two study sites were examined.

Main Results:

  • Over 95% of patients cited at least one barrier for missing their colonoscopy appointment.
  • Travel-related issues (e.g., lack of transportation) and scheduling problems were the most common reasons, reported by 78.1% of respondents.
  • Significant differences in reported barriers were observed between the two study sites.

Conclusions:

  • Most missed colonoscopies stem from preventable travel and scheduling challenges.
  • Health systems must develop site-specific interventions to address unique barriers and reduce appointment no-shows.
  • Reducing missed appointments can improve colorectal cancer screening and diagnosis rates.