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Meningitis - Gram Negative
Alternate Names : Gram-Negative Meningitis
DefinitionGram-negative meningitis is an infection of the membranes covering the brain and spinal cord (meninges) caused by gram-negative bacteria (bacteria that turn pink when exposed to a special stain).
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Overview, Causes, & Risk Factors
The most common causes of meningitis are bacterial infections that start in other parts of the body and spread to the brain or spinal cord via the bloodstream. Meningitis can also also caused by viruses, chemical irritation, or tumors.
Acute
bacterial meningitis, which can be caused by gram-negative bacteria, is very serious and should be treated immediately to prevent permanent damage. Bacteria causing gram negative meningitis include Pseudomonas aeruginosa, Escherichia coli, Enterobacter aerogenes, Proteus morganii, and Klebsiella pneumoniae.
Risk factors include recent brain surgery and recent trauma or injury to the head. The infection is sometimes associated with spinal fluid shunt placement after brain surgery. Spinal abnormalities, urinary tract abnormalities, a local infection, or urinary tract infection may be predispose children to this type of meningitis.
Gram-negative meningitis is much more common in infants than adults.
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• Definition
• Overview, Causes, & Risk Factors
• Symptoms & Signs
• Prevention
• Diagnosis & Tests
• Treatment
• Prognosis
• Complications
• Calling Your Health Care Provider
• Pictures & Images
Topics that might be of interest to you Diseases & Conditions
• Brain Abscess
• Meningitis
• Urinary Tract Infection
Tests & Exams
• Blood Culture
• CSF Culture
Surgery & Procedures
• Ventriculoperitoneal Shunt
Other Topics
• Acute
• Confusion
• Fever
• Head Injury
• Headache
• Joint Pain
• Nausea and Vomiting
• Shock
• Vision - Light Sensitive
Review Date : 7/31/2002
Reviewed By : Christopher Parsons, M.D., Department of Internal Medicine, Division of Infectious Diseases, University of Virginia, Charlottesville, VA. Review provided by VeriMed Healthcare Network.
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