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Whipple disease
1Neurological Institute, Columbia University College of Physicians & Surgeons, 710 West 168th Street, Unit 198, New York, NY 10032, USA. EDL2@columbia.edu
Abstract:
Whipple disease is a rare disease caused by infection with the bacterium Tropheryma whippelii. Humans are the only known host for the infection. The signs of systemic infection include gastrointestinal problems, weight loss, and arthritis. Signs of central nervous system infection include cognitive changes, supranuclear gaze palsy, altered level of consciousness, and movement disorders. The diagnosis is based on clinical findings as well as microscopic examination of biopsy specimens and, more recently, polymerase chain reaction (PCR) analysis, which has high sensitivity and specificity. Although the organism historically has been difficult to culture, several recent attempts have been successful. Antibiotic treatment is recommended for 1 year while monitoring the clinical signs and cerebrospinal fluid PCR results.
Insights
Whipple disease, a rare bacterial infection, presents with systemic and neurological symptoms. Diagnosis utilizes clinical findings, biopsy, and sensitive polymerase chain reaction (PCR) testing, guiding a year-long antibiotic treatment.
Area of Science:
- Infectious Diseases
- Microbiology
- Neurology
Background:
- Whipple disease is a rare systemic infection caused by the bacterium Tropheryma whippelii.
- Humans are the only known host, with manifestations including gastrointestinal issues, weight loss, arthritis, and central nervous system disorders.
- Neurological signs encompass cognitive changes, gaze palsy, altered consciousness, and movement disorders.
Purpose of the Study:
- To summarize the key aspects of Whipple disease, including its causative agent, clinical presentation, diagnostic methods, and treatment protocols.
Main Methods:
- Diagnosis relies on clinical evaluation, microscopic examination of biopsy specimens, and polymerase chain reaction (PCR) analysis.
- PCR offers high sensitivity and specificity for detecting Tropheryma whippelii.
- Recent advancements include successful culturing of the organism, though historically challenging.
Main Results:
- Tropheryma whippelii infection leads to a spectrum of systemic and neurological symptoms.
- Polymerase chain reaction (PCR) analysis is a highly sensitive and specific diagnostic tool.
- Successful culturing of the bacterium has been achieved recently.
Conclusions:
- Whipple disease requires a comprehensive diagnostic approach combining clinical, histological, and molecular methods.
- A 1-year antibiotic regimen is recommended for treatment.
- Monitoring clinical signs and cerebrospinal fluid PCR results is crucial during treatment.
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