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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

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.
Patient...
Bile01:19

Bile

Bile is a crucial bodily fluid, characterized by its yellow-green color and alkaline nature. Produced in the liver, it is transported through the common hepatic duct into either the cystic duct, leading to the gallbladder, or directly into the common bile duct. The flow of bile is regulated by the sphincter of Oddi located at the entrance of the duodenum. When this sphincter is closed, bile is redirected to the gallbladder for storage and concentration.
Bile is released when dietary fats enter...
Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Hepatic Portal System01:21

Hepatic Portal System

The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is responsible...
Hepatic Drug Excretion: Influencing Factors01:16

Hepatic Drug Excretion: Influencing Factors

The biliary system of the liver, crucial for bile secretion and drug excretion, comprises intrahepatic bile ducts that merge to form the common hepatic duct. This duct, carrying hepatic bile, combines with the cystic duct, draining the gallbladder and forming the common bile duct, which empties into the duodenum. Bile, produced by hepatic cells lining the bile canaliculi, is composed primarily of water, bile salts, pigments, electrolytes, and lesser amounts of cholesterol and fatty acids. Bile...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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Related Experiment Video

Updated: May 8, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
07:44

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

EUS access to the biliary tree.

Manuel Perez-Miranda1, Carlos De la Serna-Higuera

  • 1Gastroenterology Department, Hospital Universitario Rio Hortega, Av. Dulzaina,2, 47012 Valladolid, Spain. mperezmiranda@saludcastillayleon.es

Current Gastroenterology Reports
|September 10, 2013
PubMed
Summary
This summary is machine-generated.

Endoscopic ultrasound (EUS)-guided gallbladder drainage provides an alternative for high-risk patients with acute cholecystitis. Endosono-cholangiopancreatography (ESCP) offers a hybrid approach for bile duct drainage when ERCP is not feasible.

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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

Published on: February 10, 2023

Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Biliary Interventions

Background:

  • Endoscopic ultrasound (EUS)-guided biliary access is an emerging technique for gallbladder and bile duct drainage.
  • EUS-guided gallbladder drainage shows promise for high-surgical risk patients with acute cholecystitis.
  • Current EUS biliary access methods are evolving, with novel stents potentially improving long-term outcomes.

Purpose of the Study:

  • To review the current applications and outcomes of EUS-guided biliary access procedures.
  • To describe the hybrid procedure of endosono-cholangiopancreatography (ESCP) for bile duct drainage.
  • To highlight the role of ESCP as an alternative to percutaneous biliary drainage.

Main Methods:

  • Review of EUS-guided gallbladder drainage for acute cholecystitis.
  • Description of the ESCP procedure, including its six variant approaches.
  • Analysis of reported outcomes from approximately 1000 ESCP cases.

Main Results:

  • EUS-guided gallbladder drainage is comparable to percutaneous cholecystostomy in specific patient groups.
  • ESCP offers multiple access and drainage routes for complex biliary interventions.
  • ESCP demonstrates good outcomes and is increasingly used when ERCP is not feasible, particularly in palliative care.

Conclusions:

  • EUS-guided biliary access, including gallbladder and bile duct interventions, is a valuable tool in selected cases.
  • ESCP represents a significant advancement in managing complex biliary obstruction, offering a viable alternative to percutaneous drainage.
  • Wider availability and further development of EUS-guided techniques are anticipated to improve patient management in biliary interventions.