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Related Concept Videos

Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

84
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
84
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

414
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
414
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

111
Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
111
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
77
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

349
Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
349
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

488
Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not...
488

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Related Experiment Video

Updated: Jun 14, 2025

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb
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Primary biliary cholangitis.

Atsushi Tanaka1, Xiong Ma2, Atsushi Takahashi3

  • 1Department of Medicine, Teikyo University School of Medicine, Tokyo, Japan.

Lancet (London, England)
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Summary

Primary biliary cholangitis (PBC) is a chronic autoimmune liver disease affecting women, with increasing incidence and environmental triggers like gut microbiome changes. New treatments aim for normal liver enzyme levels and improved quality of life.

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Area of Science:

  • Hepatology
  • Immunology
  • Gastroenterology

Background:

  • Primary biliary cholangitis (PBC) is a chronic, autoimmune, cholestatic liver disease predominantly affecting middle-aged women.
  • Epidemiological trends show increasing global incidence, with evolving geographical patterns and a decreasing female-to-male ratio.
  • PBC pathogenesis involves genetic predisposition interacting with environmental factors such as xenobiotics, smoking, and gut microbiome alterations, leading to diminished microbial diversity.

Purpose of the Study:

  • To review the current understanding of primary biliary cholangitis pathogenesis, epidemiology, and treatment landscape.
  • To highlight recent advancements in therapeutic strategies, including second-line treatments and potential future drug combinations.
  • To emphasize the importance of early diagnosis, risk stratification, and management of patient-reported outcomes like fatigue and pruritus.

Main Methods:

  • Comprehensive literature review of epidemiological studies, pathogenetic mechanisms, and clinical trial data for primary biliary cholangitis.
  • Analysis of the role of immune cell interactions, cytokines, chemokines, and biliary epithelial cells in disease progression.
  • Evaluation of current and emerging therapeutic agents, including obeticholic acid and peroxisome proliferator activator receptor agonists.

Main Results:

  • Primary biliary cholangitis incidence is rising globally, influenced by genetic and environmental factors, with significant gut microbiome dysbiosis observed.
  • Obeticholic acid is approved as a second-line therapy, and peroxisome proliferator activator receptor agonists show promise.
  • Future treatment regimens may involve dual or triple drug combinations aiming for normalization of alkaline phosphatase and improved quality of life.

Conclusions:

  • Understanding the complex interplay of genetic and environmental factors is crucial for primary biliary cholangitis management.
  • Advancements in treatment offer hope for better long-term outcomes, including normalization of liver enzymes and symptom relief.
  • Early diagnosis and tailored treatment strategies, including addressing quality of life issues, are essential for optimal patient care in primary biliary cholangitis.