Journal
EUROPEAN JOURNAL OF MEDICAL RESEARCH
Volume 26, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s40001-021-00620-9
Keywords
HHV-8; Kaposi sarcoma; COVID-19; Latent infection; Reactivation
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The reactivation of latent infections, including HHV-8 and Kaposi sarcoma, may occur in patients with COVID-19 and its treatment, possibly influenced by factors such as Interleukin-6 activity and steroid-induced immunodeficiency. Despite the high incidence of COVID-19 in areas with medium-high prevalence of HHV-8 infection, no published case of disseminated KS following COVID-19 in otherwise healthy individuals was found through systematic literature review, suggesting a potential role of individual genetic susceptibility factors.
Background COVID-19 and its related anti-inflammatory treatment (steroids, immunomodulators) may induce the reactivation of latent bacterial, parasitic, and viral infections. According to our knowledge, no case of disseminated HHV-8-related Kaposi sarcoma (KS) after COVID-19 and its treatment has been described so far. Only one case of cutaneous KS concurrently with COVID-19 has been previously reported. Case presentation We describe a case of disseminated KS in a 61-year-old immunocompetent Albanian man after hospitalization for COVID-19. Methods for literature research We used PubMed as biomedical database for the literature research. We selected keyword combinations including Kaposi sarcoma, HHV-8, immunocompetent, COVID-19, SARS-CoV-2, and steroids. No time or language limitation was set. Titles and abstracts of selected articles were systematically screened. Articles were included in the examination if they were published under free access through the digital library of the University of Brescia (Italy), and provided full text. Articles were excluded if the topic was beyond the aim of our study. Finally, we selected 15 articles. Results We describe a case of KS in COVID-19 patient and postulate that Interleukin-6 (IL-6) activity and steroid-induced immunodeficiency may play a major role in KS emergence. No published case of disseminated KS following COVID-19 in otherwise healthy individuals was found through the systematic literature review, despite the high incidence of COVID-19 in areas with medium-high prevalence of HHV-8 infection. This observation might be explained by the role of individual genetic susceptibility factors. Conclusions SARS-CoV-2 infection and its treatment may lead to reactivation of several latent infections, including HHV-8 and its related clinical syndrome, Kaposi sarcoma.
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