Sandbox/002

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Pathogen-Based Therapy Adapted from Circulation 2008;118(15):e523-661.

Viridans Streptococci or Streptococcus bovis

▸ Click on the following categories to expand treatment regimens.

Native Valve Endocarditis   ▸  Penicillin-Susceptible, Adult   ▸  Penicillin-Susceptible, Pediatric   ▸  Penicillin-Resistant, Adult   ▸  Penicillin-Resistant, Pediatric Prosthetic Valve Endocarditis   ▸  Penicillin-Susceptible, Adult   ▸  Penicillin-Susceptible, Pediatric   ▸  Penicillin-Resistant, Adult   ▸  Penicillin-Resistant, Pediatric

Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen† ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1‡ ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks¶ Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks † Preferred in most patients greater than 65 y of age or patients with impairment of 8th cranial nerve function or renal function ‡ Two-week regimen not intended for patients with known cardiac or extracardiac abscess or for those with creatinine clearance of less than 20 ml per min, impaired 8th cranial nerve function, or Abiotrophia, Granulicatella, or Gemella infection ¶ Gentamicin dosage should be adjusted to achieve peak serum concentration of 3—4 μg/ml and trough serum concentration of less than 1 μg/ml when 3 divided doses are used; nomogram used for single daily dosing Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Pediatric Preferred Regimen ▸ Penicillin G sodium 0.2 MU/kg/day IV q4—6h x 4 weeks OR ▸ Ceftriaxone 100 mg/kg IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks Viridans Streptococci or S. bovis NVE, PCN-Susceptible, Adult Preferred Regimen ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 4 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 4 weeks Alternative Regimen 1 ▸ Penicillin G sodium 12—18 MU/day IV continuously/q4—6h x 2 weeks OR ▸ Ceftriaxone 2 g IV/IM q24h x 2 weeks PLUS ▸ Gentamicin 3 mg/kg IV q24h x 2 weeks Alternative Regimen 2 ▸ Vancomycin 15 mg/kg IV q12h x 4 weeks