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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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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.
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...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Endoscopic Procedures V: ERCP01:26

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Timing of Oral Intake After Colorectal Endoscopic Submucosal Dissection: A Propensity Score-Matched Study.

Yasuyuki Tanaka1, Yumi Tokubayashi2, Kentaro Aoki2

  • 1Department of Gastroenterology and Hepatology, Kyoto Katsura Hospital, 17 Yamada-Hirao, Nishikyo-Ku, Kyoto, 615-8256, Japan. yasutnk5526@yahoo.co.jp.

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Resuming oral intake on postoperative day 1 after colorectal endoscopic submucosal dissection (ESD) is safe and feasible. Early feeding did not increase adverse events and resulted in less weight loss compared to delayed intake.

Keywords:
Colorectal ESDEarly oral intakePostoperative complicationsPropensity score matchingWeight loss

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Area of Science:

  • Gastroenterology
  • Endoscopic Surgery
  • Clinical Nutrition

Background:

  • Optimal timing for oral intake resumption post-colorectal endoscopic submucosal dissection (ESD) is not well-established.
  • Current practices vary, impacting patient recovery and outcomes.

Purpose of the Study:

  • To evaluate the safety and feasibility of initiating oral intake on postoperative day (POD) 1 versus POD 2 after colorectal ESD.
  • To compare adverse event rates and postoperative symptoms between early and late oral intake groups.

Main Methods:

  • Retrospective review of 220 patients undergoing colorectal ESD (2017-2024).
  • Propensity score matching (1:1) of 58 patients per group (POD 1 vs. POD 2 intake).
  • Primary outcome: procedure-related adverse events within 30 days; secondary outcomes: symptoms and weight change.

Main Results:

  • Adverse event rates were comparable between groups (e.g., bleeding, perforation).
  • No significant differences in postoperative fever or abdominal pain.
  • Early oral intake was associated with significantly less weight loss on POD 3.

Conclusions:

  • Early oral intake (POD 1) after colorectal ESD is a safe and feasible option for selected patients.
  • Further prospective studies are needed to confirm routine adoption of early feeding protocols.