Atrophic gastritis

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Obesity, Sleep & Internal medicine
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Atrophic gastritis
File:Атрофический гастрит.jpg Atrophic gastritis
Synonyms	Chronic atrophic gastritis
Pronounce	N/A
Specialty	N/A
Symptoms	Abdominal pain, nausea, vomiting, weight loss, anemia
Complications	Gastric cancer, pernicious anemia
Onset	Gradual
Duration	Long-term
Types	N/A
Causes	Helicobacter pylori infection, autoimmune disease
Risks	Family history, smoking, alcohol consumption
Diagnosis	Endoscopy, biopsy, blood test
Differential diagnosis	Peptic ulcer disease, gastritis, gastric cancer
Prevention	N/A
Treatment	Antibiotics, vitamin B12 supplementation, proton pump inhibitors
Medication	Antibiotics, proton pump inhibitors
Prognosis	N/A
Frequency	Common in older adults
Deaths	Rare, but can lead to complications

Atrophic Gastritis

File:Autoimmune atrophic gastritis (H&E), high mag.jpg

Endoscopic view of atrophic gastritis.

Atrophic Gastritis

Atrophic gastritis is a chronic condition characterized by inflammation and progressive wasting away of the stomach lining, leading to the loss of glands that produce stomach acid.

Introduction

Atrophic gastritis involves gradual damage and thinning of the gastric mucosa, which is responsible for the production of stomach acid and digestive enzymes. This condition can lead to various digestive problems and nutritional deficiencies.

Pathophysiology

The process of atrophy in the stomach lining involves:

• Inflammation of the gastric mucosa
• Thinning and loss of the protective layer of the stomach
• Reduction or absence of acid-producing gastric glands

Causes

Atrophic gastritis can be caused by several factors, including:

• Helicobacter pylori infection, a common cause of chronic gastritis
• Autoimmune reactions, where the body's immune system mistakenly attacks stomach cells
• Long-term use of certain medications, such as proton pump inhibitors

Symptoms

Symptoms of atrophic gastritis can include:

• Abdominal discomfort or pain
• Nausea and vomiting
• Bloating and indigestion
• Loss of appetite
• Weight loss

Diagnosis

Diagnosis of atrophic gastritis typically involves:

• Endoscopic examination of the stomach
• Biopsy of stomach tissue
• Blood tests to detect Helicobacter pylori infection or autoimmune markers

Treatment

Treatment options depend on the underlying cause but may include:

• Antibiotics to treat Helicobacter pylori infection
• Medications to reduce stomach acid
• Dietary changes and supplements to address nutritional deficiencies

Complications

If left untreated, atrophic gastritis can lead to complications like:

• Pernicious anemia due to vitamin B12 deficiency
• Increased risk of gastric cancer