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Appendices

The following text is from an archived Red Book® edition and may not reflect current recommendations or information. To view the current edition, click here.

Section 3. Summaries of Infectious Diseases

Helicobacter pylori Infections

Clinical Manifestations
Etiology
Epidemiology
Diagnostic Tests
Treatment
Isolation of the Hospitalized Patient
Control Measures

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CLINICAL MANIFESTATIONS:
Acute infection can manifest as epigastric pain, nausea, vomiting, hematemesis, and guaiac-positive stools. Symptoms usually resolve within a few days despite persistence of the organism for years or life. Helicobacter pylori causes chronic active gastritis and increases the risk of duodenal and gastric ulcers; persistence increases the risk of gastric cancer. Helicobacter pylori infection is not associated with autoimmune or chemical gastritis.


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ETIOLOGY:
Helicobacter pylori is a gram-negative and spiral, curved, or U-shaped microaerophilic bacillus that has 2 to 6 sheathed flagella at one end.


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EPIDEMIOLOGY:
Helicobacter pylori has been isolated from humans and other primates. . . . [Go to Full Text]


Related text in Red Book:

Summary of Major Changes in the 2003 Red Book

Red Book 2003: xxv. [Extract] [Full Version]  




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