cardiovasc+ pneumo Flashcards
if considering early change to oral antibiotic therapy for tx of stable IE, what should be done ?
baseline TEE before switching to Oral and repeat TEE 1-3 days before completing antibiotic regimen should be performed
major microbio criteria ( >1 ) for IE
- ≥2 BCx with typical organisms:
- S. aureus/lugdunensis, Streptococci (except GAS or pneumo), E. faecalis, HACEK, Granulicatella, Abiotrophia, Gemella in Native Valve
- ≥3 BCx with occasional/rare organisms
- Blood PCR for Coxiella, Bartonella, T. whipplei
- Coxiella burnetii in 1 BCx or IgG > 1:800
- Bartonella henselae or quintana IgG > 1:800
majhor imaging criteria for IE
Echo or Cardiac CT: vegetation, valve/leaflet perforation or aneurysm, abscess, pseudoaneurysm, fistula, prosthetic valve dehiscence or New significant valvular regurgitation
- PET: Abnormal activity of valve, aortic graft, or intracardiac leads
major surgical criteria for IE
C) Surgical Criteria
- Evidence of IE by direct inspection during surgery
minor predispo for IE
Predisposition: Prior IE, Prosthetic Valve, Prior Valve Repair, Congenital heart disease, Regurgitation/Stenosis, Pacemaker/ICD, HOCM, PWID
minor vasc phenomena
Arterial emboli, septic pulmonary infarcts, cerebral or splenic abscess, mycotic aneurysm, ICH, conjunctival hemorrhage, Janeway lesion, purulent purpura
immunological phenomena IE
Rheumatoid Factor, Osler Nodes, Roth Spots, immune-complex GN
micro evidence but minor IE
Cx for organism consistent with IE not meeting major criteria, BCx/PCR with organism consistent with IE from sterile body site, PCR for skin bacteria on valve/wire
imaging criteria minor IE
Abnormal activity on PET within 3m of implant of prosthetic valve, aortic graft, intracardiac leads, prosthetic material
IE MSSA tx :
native vs prosthetic
clox/cefazoln
prost : clox/cefazolin + rifampin + genta
IE MRSA ( or CNST) tx :
native vs prosthetic
vanco
prost : vanco +gent + rifampn
IE viridans, strep galloliticus/bovis tx :
native vs prosthetic
pen G / CTX ( both)
IE e faecalim tx :
native vs prosthetic
amp+genta
amp + ctx
IF e facieux tx
native vs prosthetic
vanco + genta
IE HACEK tx :
native vs prosthetic
ceftriaxone
class 1 surgical indicatiobn ( early indications)
Valve dysfunction with signs or symptoms of heart failure (persistent despite OMM)
Left-sided IE caused by S. aureus, fungi or highly resistant organisms
Heart block, annular/aortic root abscess, destructive penetrating lesions
Persistent bacteremia or fever > 5d after starting appropriate antibiotics
Complete removal of implantable electronic cardiac device (PPM/CRT/ICD) systems in patients with definite endocarditis
how long should you delay IE surgery after a major ishcemic or hmrg stroke ?
4 weeks
procedures requiring IE prophylaxis >?
- dental
- resp
- skin
patient populationb requiring ppx IE
previous IE
prosthetic valvce
cong heart disease
cardiac transplant
post influenza pneumonia, which organism is the culprit ?
staph aureus/mrsa
if no comorbidities, which antibiotics ?
amoxicillin 1g TID»_space; doxycycline»_space; azithro
which antibiotics in healthy ouptaitnet is not appropriat efor majority of canada ?
Azithro
outpatient comorbidities CAP options
amoxclav + macrolide>/doxy
or FQ
legionella has ++ resistance to which antibiotics when doing a inpatient treatment without risk factors for mrsa/PSA
doxycyline > macrolide or fq