相关实验视频

Updated: Sep 18, 2025

Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer
06:21

Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer

Published on: May 10, 2024

860

质子抑制剂和上部胃肠道癌症:一项匹配的病例对照研究,根据指示解决混问题

Ibrahim O Sawaid, Zohar Din, Efrat Golan

    medRxiv : the preprint server for health sciences
    |June 26, 2025
    PubMed
    概括

    质子抑制剂 (PPI) 的使用与上部胃肠道癌症无关. 最初的关联是由于根据指示混,用PPI处方治疗可能表明癌症的早期症状.

    更多相关视频

    Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors03:05

    Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors

    Published on: February 16, 2024

    1.2K
    Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care05:50

    Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care

    Published on: September 22, 2023

    3.3K

    相关概念视频

    Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors01:13

    Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors

    Peptic ulcers, often induced by H. pylori infections or NSAID usage, arise from disruptions in the delicate balance of gastric acid production. Peptic ulcers stem from heightened gastric acid levels due to H. pylori infections or NSAID use. The protective mucus layer diminishes in the presence of these factors, allowing gastric acid to erode the stomach lining and form ulcers.
    Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
    532
    Peptic Ulcer Disease IV: Management01:26

    Peptic Ulcer Disease IV: Management

    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...
    149
    Peptic Ulcer Disease I: Introduction01:30

    Peptic Ulcer Disease I: Introduction

    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...
    301
    Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

    Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

    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.
    599
    Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents01:20

    Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents

    The gastric mucosa produces prostaglandins E2 (PGE2) and prostacyclin (PGI2), crucial in maintaining gastric health. They exert cytoprotective effects, including increasing bicarbonate secretion, releasing protective mucin, reducing gastric acid output, and preventing harmful vasoconstriction. These effects are mediated through various receptors, such as EP1, EP2, EP3, and EP4.
    Non-steroidal anti-inflammatory drugs (NSAIDs) can induce peptic ulcers by inhibiting cyclooxygenase, decreasing...
    600
    Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists01:28

    Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists

    Histamine H2 receptors, which are intricately located on the basolateral membrane of parietal cells, play a crucial role in modulating gastric acid secretion. When released from enterochromaffin-like cells, histamine engages H2 receptors, initiating the cyclic AMP (cAMP) pathway. In this pathway, adenylyl cyclase converts ATP into cAMP, elevating intracellular cAMP levels. The activation of protein kinase A follows, stimulating the proton pump. This stimulation prompts the secretion of hydrogen...
    574