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Improved Neurological Outcome in a Patient With Complicated Mitral Valve Endocarditis Treated With

Syed S Fatmi1, Rafaela Basso1, Ravitej Goteti1

  • 1Internal Medicine, Southeast Health Medical Center, Dothan, USA.

Cureus
|May 2, 2022
PubMed

Insights

A complicated case of Methicillin-resistant Staphylococcus aureus (MRSA) endocarditis with neurological symptoms showed poor response to vancomycin. A daptomycin-rifampin regimen led to significant clinical improvement, suggesting a potential alternative treatment strategy.

Area of Science:

  • Infectious Diseases
  • Neurology
  • Pharmacology

Background:

  • Infective endocarditis (IE) caused by Methicillin-resistant Staphylococcus aureus (MRSA) with neurological involvement presents a significant treatment challenge.
  • Vancomycin is typically the first-line antibiotic for MRSA IE due to generally low resistance rates and good tolerability.

Observation:

  • This case report details a patient with severely complicated MRSA endocarditis and severe encephalopathy with multiple septic infarctions.
  • Initial treatment with vancomycin was unsuccessful, failing to resolve the patient's severe symptoms and neurological complications.

Findings:

  • Transitioning to a daptomycin-rifampin regimen resulted in marked clinical improvement in the patient's condition.
  • This suggests that a daptomycin-rifampin combination may be effective in managing complex MRSA IE cases refractory to vancomycin.

Implications:

  • Further studies are needed to determine if the efficacy of the daptomycin-rifampin regimen is independent of prior vancomycin treatment.
  • This case highlights the potential for alternative antibiotic strategies in vancomycin-refractory MRSA IE, particularly when neurological complications are present.
Keywords:
cvadaptomycinendocarditisinfectious endocarditisrifampin

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