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相关概念视频

Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

197
Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
197
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

465
Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI)  tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
465
Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

639
Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
639
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

155
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
155
Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

518
Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
518
Peptic Ulcer Disease IV: Management01:26

Peptic Ulcer Disease IV: Management

110
Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
110

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功能性消化不良:当前的理解和未来的前景.

Tadayuki Oshima1

  • 1Department of Gastroenterology, Okazaki City Medical Association Public Health Center, Okazaki, Japan.

Digestion
|August 20, 2023
PubMed
概括

功能性消化不良 (FD) 涉及复杂的肠-大脑相互作用和多种原因,如延迟胃排空和内脏过敏. 有效的管理需要个性化治疗策略,根据个体患者的症状和治疗反应量身定制.

科学领域:

  • 胃肠病学 胃肠病学
  • 肠-大脑相互作用研究研究

背景情况:

  • 功能性消化不良 (FD) 是一种普遍的胃肠道疾病,导致慢性上腹部疼痛或不适.
  • 在症状呈现的基础上,FD被分为食后应急综合征 (PDS) 和上胃疼痛综合征.

研究的目的:

  • 阐明功能性消化不良症的多因素病理生理学.
  • 概述FD管理的当前和潜在的治疗方法.

主要方法:

  • 审查关于FD病理生理学和治疗的现有文献.
  • 分析包括胃排空,住宿,内脏敏感性和十二指肠粘膜变化的机制.

主要成果:

  • 大约30%的FD患者表现出延迟的胃排空,尽管不总是与症状相关.
  • 胃适应障碍和内脏过敏是FD症状的关键因素,特别是在PDS中.
  • 十二指甲膜粘膜变化,微生物失生症和心理因素也在FD病变发生过程中发挥着重要作用.

结论:

  • FD是一种肠-大脑相互作用的障碍,具有多种潜在机制.
  • 个性化治疗计划对于有效的FD管理至关重要.
  • 进一步的研究是必要的,以提高对FD的理解和开发新疗法.
关键词:
延迟排空时间.过敏症是一种过敏症.微炎症是一种微炎症.

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