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相关概念视频

Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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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...
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Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Histology of the Small Intestine01:27

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The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
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Inflammatory Bowel Disease V: Surgical Management01:21

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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在性结肠炎中,大脑结构和功能发生变化

Jennifer Kornelsen1,2, Kelcie Witges2, Jennifer Labus3

  • 1University of Manitoba, Department of Radiology, Winnipeg, Manitoba, Canada.

Neuroimage. Reports
|June 26, 2025
PubMed
概括

在性结肠炎 (UC) 中,研究大脑-肠轴揭示了与健康个体相比,患者的大脑结构和功能连接 (FC) 的改变. 这些大脑变化凸显了UC发育和进展中大脑和肠道之间的潜在联系.

关键词:
功能连接 (FC) 功能连接功能性磁共振成像 (fMRI) 是一种功能性磁共振成像.灰色物质的体积,灰色物质的体积.炎症性肠病 (IBD) 是一种炎症性肠病.静止状态网络 (RSN) 是一个静止状态网络.性结肠炎 (UC) 是一种

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科学领域:

  • 神经科学是一个神经科学.
  • 胃肠病学 胃肠病学
  • 医疗成像医学成像

背景情况:

  • 大脑-肠轴在炎症性肠病 (IBD) 病理生物学中起着至关重要的作用.
  • 了解性结肠炎 (UC) 中的大脑结构和功能连接 (FC) 对于推进治疗策略至关重要.

研究的目的:

  • 与健康对照组 (HC) 相比,研究UC患者的结构性大脑差异和FC变化.
  • 探索大脑结构,FC和UC中大脑-肠轴之间的关系.

主要方法:

  • 使用磁共振成像 (MRI) 研究了76名患有UC和74名HC的参与者.
  • 基于voxel的形态测量被用来分析灰色物质体积.
  • 在各种大脑网络中评估了功能连接 (FC).

主要成果:

  • 与HC相比,UC患者在几个大脑区域的灰质体积更大.
  • 在小脑,默认模式,视觉和背部注意力网络中观察到FC的显著差异.
  • 在视觉和背部注意力网络中,观察到FC的性别特异性差异.

结论:

  • 这些发现提供了UC中大脑肠轴改变的证据.
  • 这些大脑变化需要进一步调查,以确定它们在UC的进化或对疾病的反应中的作用.