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Videos de Conceptos Relacionados

Gastritis-I: Introduction and Types01:27

Gastritis-I: Introduction and Types

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Gastritis, defined by the inflammation or irritation of the stomach lining or gastric mucosa, manifests in several distinct forms: acute, chronic, reactive, and a specific subtype known as autoimmune metaplastic atrophic gastritis.
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...
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Gastritis III: Clinical Manifestations and Management01:23

Gastritis III: Clinical Manifestations and Management

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The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
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Gastritis-II: Pathophysiology01:17

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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
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Barrett Esophagus-I: Introduction01:21

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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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Surgical management and nursing care are crucial in treating Peptic Ulcer Disease (PUD). Here is an organized and enhanced overview of the surgical interventions and the associated nursing care for PUD:
Surgical Interventions for Peptic Ulcer Disease
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Gastroesophageal Reflux Disease I: Meaning and Pathophysiology01:29

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Gastroesophageal Reflux Disease (GERD) involves the recurrent backflow of the stomach or duodenal contents into the esophagus, leading to troublesome symptoms and potential esophageal mucosal damage. Although GERD is often referred to as a disease, it is more accurately described as a syndrome, as it encompasses a range of symptoms and complications rather than a singular pathological entity, impacting a large number of individuals as the most prevalent upper gastrointestinal problem. Roughly...
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Updated: May 9, 2025

Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer
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Cáncer gástrico

Raghav Sundar1, Izuma Nakayama2, Sheraz R Markar3

  • 1Department of Medicine, Section of Medical Oncology, Yale School of Medicine, New Haven, CT, USA; Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Department of Haematology-Oncology, National University Cancer Institute, Singapore.

Lancet (London, England)
|May 4, 2025
PubMed
Resumen
Este resumen es generado por máquina.

El cáncer gástrico es un problema de salud mundial con un aumento de los casos de inicio temprano. Los avances en el tratamiento, incluida la cirugía, la inmunoterapia y la medicina de precisión, tienen como objetivo mejorar la supervivencia y la calidad de vida de los pacientes.

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Área de la Ciencia:

  • En el campo de la oncología
  • Gastroenterología
  • Salud pública

Sus antecedentes:

  • El cáncer gástrico representa una carga significativa para la salud mundial, con altas tasas de mortalidad y notables variaciones geográficas de incidencia.
  • La enfermedad afecta cada vez más a personas menores de 50 años, lo que pone de relieve una tendencia preocupante en los casos de aparición temprana.
  • Los factores de riesgo establecidos incluyen la infección por Helicobacter pylori, las opciones de estilo de vida (dieta, obesidad, tabaquismo) y la susceptibilidad genética.

Objetivo del estudio:

  • Proporcionar una visión global del panorama actual de la gestión del cáncer gástrico.
  • Destacar los avances recientes en las modalidades de tratamiento y las estrategias terapéuticas emergentes.
  • Esbozar las direcciones futuras para mejorar los resultados del cáncer gástrico a través de la medicina de precisión y la detección temprana.

Principales métodos:

  • Revisión de los datos epidemiológicos actuales sobre la incidencia y la mortalidad por cáncer gástrico.
  • Análisis de los protocolos de tratamiento estándar y emergentes para el cáncer gástrico local y avanzado.
  • Exploración de nuevos enfoques diagnósticos y terapéuticos, incluida la inmunoterapia y las terapias dirigidas.

Principales resultados:

  • La incidencia del cáncer gástrico varía geográficamente, con un aumento en los casos de inicio temprano.
  • Los tratamientos estándar incluyen cirugía (linfadenectomía D2), quimioterapia y radioterapia.
  • La cirugía mínimamente invasiva, los inhibidores del punto de control inmunológico y las terapias dirigidas se adoptan cada vez más para la enfermedad operable y avanzada.

Conclusiones:

  • La detección temprana y el diagnóstico integral son fundamentales para optimizar el tratamiento.
  • Las terapias emergentes, como los tratamientos dirigidos y las inmunoterapias de nueva generación, prometen mejorar la supervivencia.
  • Las futuras estrategias de manejo enfatizan la medicina de precisión, la inmunoterapia, la detección temprana y la atención multidisciplinaria para mejorar la efectividad general y el pronóstico.