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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

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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.
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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...
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Other Disorders of Digestive System01:30

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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...
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Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

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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...
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Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

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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

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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: Dec 6, 2025

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

Alexander C Ford1, Sanjiv Mahadeva2, M Florencia Carbone3

  • 1Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK; Leeds Gastroenterology Institute, St James's University Hospital, Leeds, UK.

Lancet (London, England)
|October 13, 2020
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概括
此摘要是机器生成的。

功能性消化不良,影响16%的健康人群,涉及腹部上部症状没有明确的结构原因. 由于了解不完整,治疗是具有挑战性的,但Helicobacter pylori根除和其他疗法是有前途的.

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科学领域:

  • 胃肠病学
  • 功能性胃肠道疾病

背景情况:

  • 消化不良包括腹部上部的症状,如疼痛,灼热,腹和早期腹.
  • 功能性消化不良 (FD) 影响高达16%的普通人群,80%的病例缺乏结构性解释.
  • 风险因素包括心理问题,H. pylori感染,NSAID使用,吸烟和女性性别.

研究的目的:

  • 审查目前对功能性消化不良的理解,包括其病理生理学,诊断和治疗.
  • 突出FD因其复杂和不完全理解的机制而面临的挑战.

主要方法:

  • 功能性消化不良病理学,危险因素,诊断方法和治疗选择的文献综述.
  • 对各种治疗方法的现有证据的分析,包括根除疗法,酸抑制剂,原动力学和神经调节剂.

主要成果:

  • FD的病理生理学可能是多因素的,涉及肠-大脑轴功能障碍,导致运动问题,内脏过敏和改变的微生物群.
  • 内镜在FD的实用性有限,主要推给老年患者 (>55) 或具有警报特征的患者.
  • 一些疗法显示出有效性,包括H. pylori根除,PPI,H2RA,原动力学和中央神经调节剂,尽管心理疗法的作用尚不确定.

结论:

  • 功能性消化不良是一种具有波动性症状的慢性疾病,由于对病理生理学的理解不完全,通常难以治疗.
  • 建议对阳性患者进行H. pylori根除. 未来的研究可能会产生改变疾病的疗法.