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Endoscopic Procedures I: Esophagogastroduodenoscopy

Endoscopic Procedures I: Esophagogastroduodenoscopy

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.
During an EGD, the endoscope can be used to:

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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...

Endoscopic Procedures III: Video Capsule Endoscopy

Endoscopic Procedures III: Video Capsule Endoscopy

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,...

Endoscopic Procedures V: ERCP

Endoscopic Procedures V: ERCP

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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Related Experiment Video

Updated: Apr 12, 2026

Techniques of Sleeve Gastrectomy and Modified Roux-en-Y Gastric Bypass in Mice

Techniques of Sleeve Gastrectomy and Modified Roux-en-Y Gastric Bypass in Mice

Published on: March 20, 2017

Endoscopic Sleeve Gastroplasty: How I Do It?

G Lopez-Nava¹, M P Galvão, I Bautista-Castaño

¹Bariatric Endoscopy Unit, Madrid Sanchinarro University Hospital, C/ Oña n° 10, 28050, Madrid, Spain, gontrandlopeznava@gmail.com.

Obesity Surgery

|May 25, 2015

Summary

Endoscopic sleeve gastroplasty offers a safe and effective primary weight loss solution. This minimally invasive procedure reshapes the stomach, leading to significant, sustained weight reduction in patients.

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Last Updated: Apr 12, 2026

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Published on: March 20, 2017

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Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors

Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors

Published on: February 19, 2022

Area of Science:

Gastroenterology
Bariatric Endoscopy
Minimally Invasive Surgery

Background:

Primary endoscopic weight loss therapies are gaining traction due to accessibility, simplicity, and cost-effectiveness.
This manuscript details the application of endoscopic sleeve gastroplasty in a cohort of 50 patients.

Purpose of the Study:

To describe the technique and outcomes of endoscopic sleeve gastroplasty as a primary weight loss intervention.
To evaluate the safety and efficacy of this endoscopic procedure.

Main Methods:

The procedure involves creating a tubular gastric configuration using full-thickness running sutures from antrum to fundus via a double-channel endoscope under general anesthesia.
Patients undergo a 24-hour observation period post-procedure, followed by outpatient care including dietary guidance and multidisciplinary follow-up.
Oral contrast and endoscopy assess gastroplasty at 3, 6, and 12 months.

Main Results:

The technique was successfully applied to 50 patients (13 men) with an average BMI of 37.7 kg/m², with 13 patients followed for 1 year.
Average procedure time was 66 minutes, with no major adverse events reported. Patients were discharged within 24 hours.
Significant weight loss was observed, with mean BMI decreasing from 37.7 to 30.9 kg/m² at 1 year (%TBWL of 19.0 ± 10.8).

Conclusions:

Endoscopic sleeve gastroplasty is a safe and effective primary weight loss technique.
The procedure is reproducible and demonstrates sustained efficacy up to 1 year.
This endoscopic approach offers a viable alternative for weight management.