We report a case of endocarditis in a homeless man with congenital bicuspid aortic valve and significant cat exposure living in downtown San Diego, California.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249454 | PMC |
| http://dx.doi.org/10.1089/vbz.2019.2556 | DOI Listing |
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Infection in Canada: A Retrospective Laboratory Study and Systematic Review of the Literature.
Pathogens
December 2024
Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
is a body-louse-borne bacterium. Canadian disease has been reported primarily in populations experiencing homelessness and in Indigenous communities with limited access to water. We sought to understand the epidemiology of in Canada.
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- - Bartonella quintana can lead to serious health issues, including endocarditis and chronic infections, and is mainly spread by body lice, particularly in homeless populations.
- - A case study in the U.S. highlighted two kidney transplant recipients who contracted the infection from an organ donor who was homeless; one case was atypical while the other showed mild symptoms.
- - Timely detection and treatment allowed both recipients to recover, emphasizing the importance of assessing organ donors' living conditions, specifically those with a history of homelessness or lice infestations, for potential B. quintana infections in transplant recipients.
Article Synopsis
- Bartonella quintana infection can cause serious health issues like bacillary angiomatosis and culture-negative endocarditis, mainly affecting individuals who are homeless.
- In a study conducted in New York City between January 2020 and November 2023, five cases of left-sided, culture-negative endocarditis were identified in unsheltered homeless persons using molecular methods.
- Most patients had serious complications and a history of body louse exposure, highlighting the need for clinicians to consider housing status and potential lice infestation when diagnosing and treating suspected cases.
Human endocarditis on prosthetic valves due to Bartonella vinsonii subsp. berkhoffii.
Int J Infect Dis
December 2024
Department of Clinical Microbiology, University Hospital of Navarre, Pamplona, Spain; Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.
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- Bartonella spp. infections are gaining attention as a cause of serious zoonotic diseases, particularly affecting individuals with existing health issues like heart disease and immunosuppression.
- Diagnosing endocarditis linked to these infections is tough due to the tricky nature of Bartonella bacteria, necessitating specialized tests alongside standard blood cultures, which are often negative.
- A 74-year-old shepherd became the first documented case of infective endocarditis from Bartonella vinsonii subsp. berkhoffii, highlighting the importance of recognizing this pathogen in people with risk factors such as exposure to canids and underlying health conditions.
Donor-Derived Infection in Solid Organ Transplantation: An Emerging Public Health Issue With Diagnostic Challenges.
Open Forum Infect Dis
August 2024
Department of Infectious Disease, Faculty of Medicine and Dentistry Medicine, University of Alberta, Edmonton, Alberta, Canada.
Article Synopsis
- A louse-borne bacterium is highlighted as a neglected cause of serious infections, particularly affecting impoverished individuals and can lead to conditions like bacteremia and infective endocarditis.
- In October 2023, Health Canada reported an outbreak of donor-derived infections linked to three deceased homeless donors in Alberta, Canada, adding to similar cases in the U.S.
- The article emphasizes the need for better screening of organ donors and monitoring of transplant recipients, discussing both epidemiological strategies and the limitations of current diagnostic tests in the transplant setting.
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