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New concept in chemoprophylaxis of bacterial endocarditis resulting from dental treatment.

Abstract
Bacteremia following dental procedures may lead to bacterial endocarditis in susceptible patients. Traditional methods of chemoprophylaxis with a parenteral loading dose of penicillin followed by oral penicillin have proved impractical outside the hospital. In 1978, it was suggested in England that amoxicillin be substituted as the drug of choice in the prophylaxis of bacterial endocarditis. The recommended mode of treatment was a single oral dose of 3 g amoxicillin administered 1 hour before onset of the dental procedure. Amoxicillin is absorbed to a greater extent and more rapidly than penicillin V. It maintains its effectiveness throughout the critical postoperative period at concentrations well over the minimum necessary to combat Streptococcus viridans. Amoxicillin has two mechanisms of protection: bactericidal and inhibition of bacterial adherence to the thrombotic vegetation on injured heart valves. Data obtained from 206 susceptible patients undergoing dental treatment under chemoprophylaxis with amoxicillin showed that in no case did infective endocarditis occur. Only in 13.1% of the patients could very mild side effects of this drug be observed. With this new method, there is a higher incidence of patient compliance and administration is easier to supervise.
AuthorsM M Littner, I Kaffe, A Tamse, A Buchner
JournalOral surgery, oral medicine, and oral pathology (Oral Surg Oral Med Oral Pathol) Vol. 61 Issue 4 Pg. 338-42 (Apr 1986) ISSN: 0030-4220 [Print] United States
PMID3458144 (Publication Type: Journal Article)
Chemical References
  • Amoxicillin
Topics
  • Adult
  • Amoxicillin (administration & dosage, adverse effects, therapeutic use)
  • Child
  • Child, Preschool
  • Consumer Behavior
  • Dental Care
  • Drug Administration Schedule
  • Endocarditis, Bacterial (etiology, prevention & control)
  • Humans
  • Premedication
  • Risk
  • Sepsis (prevention & control)
  • Streptococcal Infections (etiology, prevention & control)

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