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is a Gram-positive bacterium, also known as Group A (GAS), that has become a significant threat to the healthcare system, infecting more than 18 million people and resulting in more than 500,000 deaths annually worldwide. GAS infection rates decreased gradually during the 20th century in Western countries, largely due to improved living conditions and access to antibiotics. However, post-COVID-19, the situation has led to a steep increase in GAS infection rates in Europe, the United States, Australia, and New Zealand, which triggers a global concern.

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Background: Rheumatic heart disease (RHD), which is caused mainly by Group A Streptococcus, leads to fibrotic damage to heart valves. Recently, endothelial‒mesenchymal transition (EndMT), in which activin plays an important role, has been shown to be an important factor in RHD valvular injury. However, the mechanism of activin activity and EndMT in RHD valvular injury is not clear.

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Clinical characteristics and outcomes of patients with nonrheumatic streptococcal pharyngitis associated myocarditis.

Am J Med

January 2025

Division of Cardiology, Sheba Medical Center, Ramat Gan, Israel; The Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

Background: Reports of nonrheumatic streptococcal pharyngitis associated myocarditis (SPAM) are rare, and its incidence, pathophysiology, and clinical features remain unclear. We evaluated the clinical course and outcome of patients diagnosed with nonrheumatic SPAM, with a particular focus on differentiating it from other etiologies of myocarditis.

Methods: Seventy-nine consecutive individuals (age 32±9 years, 71 men) with clinically diagnosed SPAM were evaluated.

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We present the case of a 60-year-old man admitted to the hospital presenting with high FUO (fever of unknown origin), strong headache, face erythematous-desquamative cutaneous lesions, long history of abdominal pain, and diffuse myalgia. He was also previously treated with immunosuppressants and currently managed with corticosteroids for a seronegative rheumatic disease. Given the immunocompromised state, an infective etiology was suspected.

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