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Alternative Names Return to topStaphylococcal meningitis
Definition Return to top
Staphylococcal meningitis is a bacterial infection of the membranes covering the brain and spinal cord (meninges).
Causes Return to top
Meningitis is caused by Staphylococcus bacteria. When it is caused by Staphylococcus aureus or Staphylococcus epidermidis bacteria, it usually develops as a complication of a surgical procedure, or as an infection spread by the blood from another site.
Risk factors include:
Symptoms Return to top
Exams and Tests Return to top
A physical exam may show:
For any patient with meningitis, it is important to perform a lumbar puncture ("spinal tap"), in which a sample of spinal fluid (known as cerebrospinal fluid, or CSF) is taken and sent to the lab for testing.
Tests may include:
Treatment Return to top
Antibiotic therapy should be started as soon as possible to decrease the chances of serious illness or death. Often, treatment will include a search for, and removal of, possible sources of bacteria in the body. These include shunts or artificial heart valves.
Outlook (Prognosis) Return to top
This form of infection can be very serious in people with suppressed immune systems. It often leads to death. Recognizing the symptoms of meningitis is very important to prevent serious illness.
Staphylococcal meningitis often improves more quickly, with better results, if the source of the infection is removed. The source may include shunts, hardware in joints, or artificial heart valves.
Possible Complications Return to top
Patients may develop a brain infection or staph infections at other parts of the body. Serious bleeding and shock may develop.
When to Contact a Medical Professional Return to top
Go to the emergency room or call the local emergency number (such as 911) if you have symptoms of meningitis. This disease can be life-threatening.
Prevention Return to top
In high-risk people, taking preventive antibiotics before diagnostic or surgical procedures may help reduce the risk. Discuss this with your doctor.
References Return to top
Swartz MN. Meningitis: bacterial, viral, and other. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 437.Update Date: 9/28/2008 Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, PhD, MD, Instructor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.