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Cerebellar involvement in legionellosis.
Samuel A Shelburne1, Marcia A Kielhofner, Pinky S Tiwari
1Section of Infectious Diseases, Department of Medicine, Baylor College of Medicine, St. Luke's Episcopal Hospital, Houston, TX 77030, USA. samuels@bcm.tmc.edu
Southern Medical Journal
|January 30, 2004
Summary
Legionnaires disease can cause cerebellar dysfunction, even after pneumonia treatment. This review examines 29 cases, exploring potential causes like bacterial invasion or immune responses.
Area of Science:
- Neurology
- Infectious Diseases
- Microbiology
Background:
- Cerebellar involvement in Legionnaires' disease is infrequently reported.
- No comprehensive reviews on this neurological complication exist.
- Legionella pneumonia can present with diverse extrapulmonary manifestations.
Purpose of the Study:
- To review and synthesize existing literature on cerebellar dysfunction in Legionnaires' disease.
- To analyze clinical presentations, diagnostic findings, and outcomes.
- To explore potential pathogenic mechanisms underlying this neurological complication.
Main Methods:
- Systematic review of 29 case reports of Legionnaires' disease with cerebellar dysfunction.
- Analysis of patient demographics, clinical symptoms, and neurological signs.
- Review of microbiological data, cerebrospinal fluid analysis, and neuroimaging findings.
Main Results:
- Cerebellar dysfunction occurred in a previously healthy patient with Legionella pneumonia.
- Review identified 29 cases, detailing clinical courses, cultures, CSF, and imaging.
- Antibiotic treatment improved pneumonia but cerebellar symptoms often persisted.
Conclusions:
- Legionnaires' disease is associated with significant cerebellar dysfunction.
- Pathogenic mechanisms may involve direct bacterial invasion, toxins, or immune responses.
- Further research is needed to elucidate the precise mechanisms and optimize management.