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    The American Heart Association (AHA) for prevention of Infective Endocarditis (IE) was updated in 2007. The guidelines were approved by Council on Scientific Affairs of the American Dental Association (AFDA) as it relates to dentistry.

    Major changes in updated AHA include

    1. Only in extremely small cases might IE be prevented by antibiotic prophylaxis for dental procedures, even if such prophylactic therapy were 100% effective.
    2. IE prophylaxis for dental procedures should be recommended only for patients with underlying cardiac conditions associated with the highest risk of adverse outcome from IE. For these patients. the prophylaxis is recommended for all dental procedures that involve manipulation of gingival tissue (or) periapical region of teeth or preparation of oral mucosa.
    3. Prophylaxis is not recommended on basis of increased lifetime risk of acquisition of IE.

    High risk cardiac conditions where antibiotic prophylactic regimen recommended by AHA.

    1. Prosthetic cardiac valve
    2. H/O IE
    3. CHD except for conditions listed below, antibiotic prophylaxis is no longer recommended for any other form of CHD.
      • Unrepaired cyanotic CHD including palliative shunts and conduits.
      • Completely prepared heart defect with prosthetic material (or) device whether placed by surgery or by catheter intervention, during the first six months after the procedure
      • Repaired CHD with residual defects at the site (or) adjacent site of prosthetic patch (or) prosthetic device.
      • Cardiac transplantation recipients with cardiac vascular disease.

    The following Dental procedures do not require Endocarditis Prophylaxis

    1. Routine anesthetic injection through non-infected tissue
    2. Taking dental radiograph
    3. Placement of removable prosthodontic (or) orthodontic appliances and their adjustments
    4. Shedding of deciduous teeth
    5. Bleeding from trauma to lips (or) oral mucosa.

    Antibiotic Prophylaxis

    The most common cause of Endocarditis for dental, oral, respiratory tract or esophageal procedures is viridans streptococci (VSG) hence an antibiotic regimen for endocarditis prophylaxis is directed towards VSG.

    All doses shown are administered once as a single dose 30-60 minutes before a procedure

    Standard general prophylaxis

    Amoxicillin

    Adult dose:         2 g PO
    Pediatric dose:  50 mg/kg PO
    Not to exceed:   2 g/dose

    Unable to take oral medication

    Ampicillin

    Adult dose:          2 g IV/IM
    Pediatric dose:   50 mg/kg/IV/IM
    Not to exceed:    2 g/dose

    Allergic Penicillin

     Clindamycin

    Adult dose:         600 mg PO
    Pediatric dose:  20 mg/kg PO
    Not to exceed:   600 mg/dose

    Cephalexin

    Adult dose:          2 g PO
    Pediatric dose:   50 mg/kg PO

    Azithromycin (or) Clarithromycin

    Adult dose:        500 mg PO
    Pediatric dose:  15 mg/kg PO
    Not to exceed:  500 mg/dose

    Unable to take oral medication

    Adult dose:         600 mg IV
    Pediatric dose:   20 mg/kg/IV
    Not to exceed:   600 mg/dose

    Cefazolin (or) Ceftriaxone

    Adult dose:        1 g IV/IM
    Pediatric dose:  500 mg/kg IV/IM
    Not to exceed:  1 g/dose

    Professor Dr. Prasad MGS

    Clinical Director
    Specialists Dental Clinic,
    K.R Puram, Bangalore

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    DISCLAIMER : “Views expressed above are the author’s own.”

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    Dr. Prasad MGS
    Dr. M.G.S Prasad (Specialist’s Dental Clinic) in K.R Puram is one of the most preferred dentists in the Bangalore. Over a decade has defined us as one of the best dental clinic in K.R Puram, Bangalore and to treat all dental problems with efficiency, dedication and precision.

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