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相关概念视频

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

532
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.
532
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

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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...
734
Other Disorders of Digestive System01:30

Other Disorders of Digestive System

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
1.4K
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

681
Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
681
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

1.1K
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.
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Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

1.1K
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...
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相关实验视频

Updated: Jan 13, 2026

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management
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功能性消化不良症 功能性消化不良症

Pankaj J Pasricha1, Nicholas J Talley2

  • 1Mayo Clinic, Scottsdale, AZ.

The New England journal of medicine
|January 7, 2026
PubMed
概括
此摘要是机器生成的。

功能性消化不良是一种严重的疾病,导致体重减轻和食物厌恶. 识别子组,如Th2炎症的子组,是更好的治疗策略的关键.

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科学领域:

  • 胃肠病学 胃肠病学
  • 免疫学 免疫学 免疫学

背景情况:

  • 功能性消化不良 (FD) 是一种普遍存在的胃肠道疾病,具有显著的发病率,包括体重减轻和对食物的厌恶.
  • 长期疾病可能包括异质的疾病,使诊断和治疗复杂化.
  • 一部分FD患者可能会表现出局部粘膜小炎症,与T-辅助剂2 (Th2) 免疫反应有关.

研究的目的:

  • 探索异常Th2反应在功能性消化不良患者小组中的潜在作用.
  • 为了研究功能性消化不良,刺激性肠综合征和胃食道逆流性疾病之间的重叠.
  • 突出目前对功能性消化不良的实证治疗方法.

主要方法:

  • 对功能性消化不良的病理生理学和临床表现现现有的文献的审查.
  • 基于免疫反应和重叠的胃肠综合征的患者子组分析.
  • 检查当前的治疗策略,包括药理和非药理干预措施.

主要成果:

  • 功能性消化不良患者可能代表一个独特的亚组,其特点是局部粘膜微炎症和Th2免疫反应.
  • 功能性消化不良,易怒肠综合征和胃食道逆流症之间存在显著的症状重叠,这些综合性疾病导致严重程度增加.
  • 目前没有批准用于功能性消化不良的特定药物,因此需要经验性症状导向管理.

结论:

  • 异常的Th2反应可以识别功能性消化不良患者的重要亚组.
  • 了解与其他功能性胃肠道疾病的重叠对于管理严重病例至关重要.
  • 目前对功能性消化不良的治疗是经验性的,重点是通过酸抑制剂,神经调节剂,营养和心理支持缓解症状.