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Mycobacterium kansasii infections in patients positive for human immunodeficiency virus
1Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas 75235-8889.
Abstract:
The experience with Mycobacterium kansasii infections in patients who are infected with human immunodeficiency virus (HIV) at Parkland Memorial Hospital in Dallas is presented, and the literature on such infections is reviewed. The absolute and relative paucity of reports of M. kansasii infections in HIV-positive patients is emphasized. M. kansasii infections in HIV-positive patients are classified as either pulmonary or disseminated. Evidence of the lack of therapeutic response in patients with disseminated infections and of the potential for therapeutic response in patients with infections limited to the lung is reviewed and documented. Other unresolved diagnostic and therapeutic issues concerning M. kansasii infections in HIV-positive patients are reviewed.
Insights
Mycobacterium kansasii infections are rare in human immunodeficiency virus (HIV)-positive patients. While disseminated infections show poor treatment response, pulmonary cases may benefit from therapy.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Immunology
Background:
- Review of Mycobacterium kansasii infections in human immunodeficiency virus (HIV)-positive patients.
- Emphasis on the rarity of M. kansasii infections in this population.
Observation:
- M. kansasii infections in HIV-positive patients present as either pulmonary or disseminated disease.
- Limited therapeutic response is observed in disseminated M. kansasii infections.
Findings:
- Patients with pulmonary M. kansasii infections show potential for therapeutic response.
- Disseminated M. kansasii infections in HIV-positive individuals often lack a significant therapeutic response.
Implications:
- Highlights the need for further research into diagnostic and therapeutic strategies for M. kansasii in HIV-positive patients.
- Suggests differential treatment approaches based on infection classification (pulmonary vs. disseminated).
- Underscores the importance of considering M. kansasii in the differential diagnosis of pulmonary infections in HIV-positive individuals.