Community-Associated MRSA—Not So Innocent Sibling per Se: A Case Report

Le résumé fourni par la source

Background: Methicillin-resistant S. aureus (MRSA) is a major healthcare burden and is classified as healthcare-associated (HA-MRSA) and community-associated (CA-MRSA). While HA-MRSA is clinically feared, CA-MRSA is often considered less pathogenic. This case report highlights the serious course of illness due to CA-MRSA infection and provides a treatment strategy for the management of such cases. Case description: A 41-year-old male presented with fever and breathlessness for five days. Upon admission, he was provided empirical treatment for atypical infections and vasopressor support for hypotension. His condition deteriorated, necessitating ventilator support. Although the initial tracheal Bio Fire test indicated MRSA, his clinical manifestations did not match MRSA pneumonia symptoms; however, CA-MRSA was confirmed within 12 h. Skin legions developed within 16 h and progressed gradually from ecchymosis, petechial, and palpable purpura to bullous lesions over 72 h. The antibiotic regimen was modified and optimized with the addition of Clindamycin, Vancomycin, and Meropenem–Colistin. Owing to high IL-6 levels, dual vasopressor support, and acute kidney failure, he was started on early (within 12 h) continuous renal replacement therapy (CRRT) with CytoSorb filter (for 3 days) for cytokine removal. IL-6 levels decreased after two days of CytoSorb use. Subsequently, the patient stabilized with reduced dependence on vasopressor and ventilator assistance. Discussion: Early diagnosis of CA-MRSA and management with CRRT using CytoSorb may help improve patient outcomes. To our knowledge, this is the first report of clinical management of CA-MRSA with CytoSorb therapy in India that resulted in positive outcomes.

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