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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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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.
Patient...
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Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

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Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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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.
During an EGD, the endoscope can be used to:
335
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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...
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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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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...
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Related Experiment Video

Updated: Aug 25, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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How to perform EUS-guided biliary drainage.

Christoph F Dietrich1, Barbara Braden2, Sean Burmeister3

  • 1Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Department of Allgemeine Innere Medizin der Kliniken (DAIM) Hirslanden Beau Site, Salem und Permanence, Bern, Switzerland.

Endoscopic Ultrasound
|October 18, 2022
PubMed
Summary
This summary is machine-generated.

Endoscopic retrograde cholangiopancreatography (ERCP) may fail, leading to complications. EUS-guided biliary drainage (EUS-BD) offers a minimally invasive alternative to percutaneous transhepatic biliary drainage (PTBD) for complex cases.

Keywords:
ERCPEUSEUS-guided biliary drainageEUS-guided gallbladder drainageacute cholecystitisobstructive jaundice

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Area of Science:

  • Gastroenterology
  • Interventional Endoscopy

Background:

  • Endoscopic retrograde cholangiopancreatography (ERCP) has limitations, including failure in 5-10% of cases due to anatomical challenges or obstruction.
  • Percutaneous transhepatic biliary drainage (PTBD) is an alternative but is invasive, carries risks of serious adverse events, and impacts quality of life.

Purpose of the Study:

  • To review the current status of EUS-guided biliary drainage (EUS-BD) as a minimally invasive alternative for biliary drainage.
  • To discuss the tools and techniques for EUS-BD in various clinical scenarios.

Main Methods:

  • Review of current literature and clinical reports on EUS-guided biliary drainage (EUS-BD).
  • Discussion of techniques and tools used in EUS-BD for different patient presentations.

Main Results:

  • EUS-guided biliary drainage (EUS-BD) is emerging as a safe and effective minimally invasive option, particularly when ERCP fails.
  • While EUS-BD has reported serious adverse events, it may overcome limitations associated with PTBD, such as external catheters and prolonged recovery.

Conclusions:

  • EUS-guided biliary drainage (EUS-BD) presents a promising alternative to PTBD for patients with biliary obstruction, especially after failed ERCP.
  • Further high-quality comparative studies are needed to fully establish the efficacy and safety profile of EUS-BD.