Chronic Gastritis (H pylori)

Chronic Gastritis (H pylori) is a long-lasting inflammation of the stomach lining caused by an infection with the bacterium Helicobacter pylori. This condition affects the digestive system, specifically the stomach, and can lead to symptoms like abdominal pain, nausea, and indigestion. The infection causes damage to the stomach's protective lining, which may result in ulcers or increase the risk of stomach cancer over time. Many people with this condition may not have symptoms initially, but the ongoing inflammation can affect digestion and overall stomach health. Detecting and understanding this condition is important for managing symptoms and preventing complications.

Chronic Gastritis (H pylori) is defined as persistent inflammation of the gastric mucosa primarily caused by infection with the gram-negative bacterium Helicobacter pylori. The infection leads to a chronic immune response characterized by infiltration of neutrophils, lymphocytes, and plasma cells in the gastric mucosa, resulting in mucosal damage and atrophy. This condition disrupts the normal gastric environment, impairing acid secretion and mucosal defense mechanisms. It is a major cause of peptic ulcer disease and is strongly associated with the development of gastric adenocarcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma. The pathogenesis involves bacterial virulence factors such as CagA and VacA proteins, which promote inflammation and epithelial injury. Diagnosis and management are critical to prevent progression to more severe gastric pathology.