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Drugs for Infection: Are You Choosing the Best Antibiotic?
You will receive 2 unit(s) of continuing education credit upon successful completion of this course. The registration fee is only $70.00

This course presents an in-depth discussion of the use and characteristics of current antibiotics for dental purposes.



Author:

Daniel Becker, DDS  Show/Hide Bio...



Learning Objectives:

Upon completion of this course, participants should be able to do the following

  1. Describe the principle features of beta lactam antibiotics and distinguish penicillins from cephalosporins in terms of antimicrobial spectrum.
  2. Offer advantages of penicillin V, ampicillin and oxacillin over penicillin G and explain the rationale for including clavulanic acid in amoxicillin preparations.
  3. Explain the principle indications and side effects of the following: macrolides, doxycycline, metronidazole, and clindamycin.
  4. Explain the pathogenesis and management of antibiotic-associated pseudomembranous colitis.
  5. Distinguish routine surgical from medical indications for antibiotic prophylaxis and explain why the cephalosporins and penicillins are popular selections.
  6. State the current AHA regimens for the prophylaxis of infective endocarditis and discuss current opinions regarding prophylaxis for surgical orthopedic prostheses.
  7. Explain significant drug interactions documented for antibiotics prescribed for dental-related infections.

Abstract:

Do you select antibiotics wisely? Or have you fallen into a habit of prescribing the same two or three products for all patients? Or worse yet, are you prescribing designer drugs merely on the recommendation of a colleague or sales representative? This course reviews and provides updates on the appropriate use of antibiotics for prophylaxis and for the treatment of odontogenic and periodontal infections. Contraindications and significant drug interactions are also addressed.




Outline:

COURSE OUTLINE

  1. Introduction

  2. Beta Lactam Antibiotics

    1. General considerations

    2. Penicillins: Spectrum, selection and dosages

    3. Cephalosporins: Spectrum, selection and dosages

  3. Macrolides

    1. General considerations

    2. Erythromycin: Spectrum, indications and dosages

    3. Newer derivatives

  4. Miscellaneous Agents

    1. General considerations

    2. Tetracyclines

      1. Doxycycline: : Spectrum, indications and dosages

    3. Clindamycin: Spectrum, indications and dosages

    4. Metronidazole: Spectrum, indications and dosages

    5. Nystatin

  5. Therapeutic Considerations

    1. Infection Treatment

      1. Step Approach

    2. Prophylaxis

      1. Routine

      2. Medical Indications

    3. Drug interactions

  6. Summary


 


References:
  1. Abramowicz M, ed. The choice of antibacterial drugs. The Medical Letter on Drugs and Therapeutics. 1999; 41: 1064.
  2. Abramowicz M, ed. Treatment of Clostridium difficile-associated disease (CDAD). The Medical Letter on Drugs and Therapeutics. November 6, 2006.
  3. Abramowicz M. (Editor) Antimicrobial Prophylaxis for Surgery. Treatment Guidelines from the Medical Letter. June 2009.
  4. ADA and AAOS Advisory Statement: Antibiotic prophylaxis for dental patients with total joint replacements. J Am Dent Assoc 2003; 134:895-98.
  5. American Academy of Orthopedic Surgeons. Information Statement: Antibiotic prophylaxis for bacteremia in patients with joint replacements. www.aaos.org/about/papers/advistmt/1033.asp (Accessed February 2010.)
  6. Bartlett JG. Clinical practice. Antibiotic-associated diarrhea. N Engl J Med 2002; 346(5):334-9.
  7. Becker DE. Drug interactions in dental practice: A summary of facts and controversies. Compendium. 1994; 15(10):1228-42.
  8. Bratzler DW, Houck PM. Antimicrobial prophylaxis for surgery: an advisory statement from the National Surgical Infection Prevention Project. Am J Surg 2005; 189(4):395-404.
  9. Chambers HF. General principles of antimicrobial therapy. In: Brunton LL, Lazo JS, Parker KL.  Eds. Goodman and Gilman's The Pharmacological Basis of Therapeutics. 11th edition. New York: McGraw-Hill, 2006
  10. Classen DC, Evans RS, Pestotnik SL, et al. The timing of prophylactic administration of antibiotics and the risk of surgical-wound infection. N Engl J Med. 1992; 326(5):281-286. Notes: Also Editorial: Wenzel RP. Preoperative antibiotic prophylaxis. N Engl J Med. 1992; 326(5):337-339.
  11. Gerding DN, Johnson S. Clostridium difficile-associated disease, including pseudomembranous colitis.. In: Kasper DL, Braunwald E, Fauci AS, et al Eds. Harrison's Principles of Internal Medicine. 16th edition. New York: McGraw Hill , 2005.
  12. Guillemot D, Carbon C, Balkau B et al. Low dosage and long treatment duration of beta-lactam: risk factors for carriage of penicillin-resistant Streptococcus pneumoniae [see comments]. JAMA. 1998; 279(5):365-70.
  13. Helms SE, Bredle DL, Zajic J et al. Oral contraceptive failure rates and oral antibiotics. J Am Acad Dermatol. 1997; 36(5 Pt 1):705-10.
  14. Kelly CP, Pothoulakis C, LaMont JT. Clostridium difficile colitis. N Engl J Med. 1994; 330(4):257-62
  15. Kelly CP. A 76-year-old man with recurrent Clostridium difficile-associated diarrhea: review of C. difficile infection. JAMA 2009; 301(9):954-62.
  16. Lockhart PB, Loven B, Brennan MT, Fox PC. The evidence base for the efficacy of antibiotic prophylaxis in dental practice. J Am Dent Assoc 2007; 138(4):458-74
  17. Mandell GL, Bennett JE, Dolin R. Principles and Practice of Infectious Diseases. 6th Edition. Philadelphia: W.B. Saunders Co, 2005.
  18. Miller DM, Helms SE, Brodell RT. A practical approach to antibiotic treatment in women taking oral contraceptives. J Am Acad Dermatol. 1994; 30(6):1008-11.
  19. Moenning JE, Nelson CL, Kohler RB. The microbiology and chemotherapy of odontogenic infections. J Oral Maxillofac Surg. 1989; 47:976-85.
  20. Olin BR, Hebel SK, eds. Drug Facts and Comparisons. 2009 edition. St Louis, MO: Facts and Comparisons; 2009.
  21. Salkind AR, Cuddy PG, Foxworth JW. The rational clinical examination. Is this patient allergic to penicillin? An evidence-based analysis of the likelihood of penicillin allergy. JAMA 2001;285(19):2498-505
  22. Shepherd GM. Allergy to beta-lactam antibiotics. Immunol Allergy Clin N Amer. 1991; 11(3):611-33.
  23. Slots J. Selection of antimicrobial agents in periodontal therapy. J Periodontal Res 2002; 37(5):389-98
  24. Sondheimer SJ. Update on oral contraceptive pills and postcoital contraception. Curr Opin Obstet Gynecol. 1992; 4:502-5.
  25. Wilson W, Taubert KA, Gewitz M et al. Prevention of infective endocarditis: guidelines from the American Heart Association: a guideline from the American Heart Association Rheumatic Fever, Endocarditis, and Kawasaki Disease Committee, Council on Cardiovascular Disease in the Young, and the Council on Clinical Cardiology, Council on Cardiovascular Surgery and Anesthesia, and the Quality of Care and Outcomes Research Interdisciplinary Working Group. Circulation 2007; 116(15):1736-54



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