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Related Concept Videos

Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

253
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:
253
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

54
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...
54
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

71
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...
71
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

163
Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
163
Acid Halides to Esters: Alcoholysis01:12

Acid Halides to Esters: Alcoholysis

2.7K
Alcoholysis is a nucleophilic acyl substitution reaction in which an alcohol functions as a nucleophile. Acid halides react with alcohol to produce esters. The mechanism proceeds in three steps:
2.7K
Aldehydes and Ketones with Alcohols: Hemiacetal Formation01:19

Aldehydes and Ketones with Alcohols: Hemiacetal Formation

5.5K
Similar to water, alcohols can add to the carbonyl carbon of the aldehydes and ketones. The addition of one molecule of alcohol to the carbonyl compound forms the hemiacetal or half acetal. As depicted below, in a hemiacetal, the carbon is directly linked to an OH and OR group.
5.5K

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Related Experiment Video

Updated: May 10, 2025

Establishment of a Mouse Severe Acute Pancreatitis Model using Retrograde Injection of Sodium Taurocholate into the Biliopancreatic Duct
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Establishment of a Mouse Severe Acute Pancreatitis Model using Retrograde Injection of Sodium Taurocholate into the Biliopancreatic Duct

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Understanding How Alcohol Induces Human Acute Alcoholic Pancreatitis.

Isto Nordback1, Hannu Paajanen2, Stephen Pandol3

  • 1Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland.

The American Journal of Pathology
|April 20, 2025
PubMed
Summary
This summary is machine-generated.

A minority of heavy alcohol drinkers develop acute pancreatitis. This review hypothesizes that alcohol-induced pancreatic dysfunction, combined with withdrawal-related hyperstimulation, triggers the condition.

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Area of Science:

  • Gastroenterology
  • Hepatology
  • Pancreatology

Background:

  • Acute alcoholic pancreatitis affects only a subset of heavy alcohol consumers.
  • The underlying mechanisms remain incompletely understood.

Purpose of the Study:

  • To review existing data and propose a hypothesis for the development of acute alcoholic pancreatitis.

Main Methods:

  • Review of sparse data from published studies.
  • Formulation of a hypothesis based on collected evidence.

Main Results:

  • Long-term alcohol use reduces pancreatic stimulation and acidifies pancreatic fluid, increasing protein secretion.
  • Pancreatic hyperstimulation during alcohol withdrawal, coupled with diet, can induce experimental pancreatitis.
  • Temporary duct obstruction potentiates pancreatitis development.
  • Alcohol-induced deficits in acinar cell defenses are critical factors.

Conclusions:

  • A combination of alcohol-induced pancreatic changes and withdrawal-related factors likely precipitates acute alcoholic pancreatitis in susceptible individuals.
  • Deficits in pancreatic acinar cell defense mechanisms play a crucial role in disease onset.