Endocarditis Flashcards
what is infective endocarditis?
microbial colonisation of thrombi on endocardial surface abnormalities (infection of the endocardium)
how does infective endocarditis occur from oral implications/
- bacteria enters the circulation from the mouth
- the bacteria adheres to previously damaged areas of heart tissue
- vegetation occurs
what occurs in the heart due to surface abnormalities?
- haemodynamic changes
- turbulent blood flow
- platelet/fibrin deposition (thrombus)
- vegetation
- microbial attatchment & multiplication
- enlargement of vegetation
which cardiac patients are not at risk of developing infective endocarditis?
- coronary artery bypass grafting
- angioplasty & stent
- implanted pacemaker
- implanted defibrillator
which dental procedures may pose as a risk of causing a cardiac patient to develop infective endocarditis?
procedures involving manipulation of the dento-gingival junction and causing a bacteraemia:
- extractions
- periodontal therapy
- gingival surgery
- implants
- some restorations
what is the most important thing a dentist can recommend to a high risk endocarditis patient?
maintain good oral hygiene!!
if giving the patient antibiotic prophylaxis, what could a dentist prescribe?
3g of amoxicillin 1 hour before dental procedure
what social activity may make a susceptible person more high risk to developing infective endocarditis?
piercings!
