Echocardiography in Endocarditis · European Heart Journal (2014) 35, 624. TTE vs TEE. UNCLASSIFIED...
Transcript of Echocardiography in Endocarditis · European Heart Journal (2014) 35, 624. TTE vs TEE. UNCLASSIFIED...
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in Endocarditis
Bicol Hospital, Legazpi City, PhilippinesJuly 2016
Gregg S. Pressman MD, FACC, FASEEinstein Medical Center Philadelphia, USA
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Nat. Rev. Cardiol. 11:35
Incidence is 1.4 – 12.7/100,000 person-years
Underlying rheumatic disease is up to 20x more prevalent in low-middle income countries (LMIC) vs high income countries; health-care associated IE increasingly important in HIC
Age is typically younger in LMIC (20 – 40) and Staph and Strep are equally prevalent
Demographics of IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Nat. Rev. Cardiol. 11:35
Bacteria get deposited at the low-pressure sink immediately beyond a stenotic orifice or where a jet lesion strikes
Thrombotic material deposited at same site; platelet-fibrin aggregates form an ideal seeding ground for circulating bacteria
Pre-existing valvular disease promotes infection:
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Nat. Rev. Cardiol. 11:35
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography is the preferred tool for diagnosis
Provides information on the hemodynamic consequences of IE
Plays an important part in management Identifies markers of high risk
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
AHA Scientific Statement on Infective Endocarditis 2015
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
2015 ESC Guidelines for the management of infective endocarditis
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
2015 ESC Guidelines for the management of infective endocarditis
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Sensitivity ~75% for TTE vs 85-90% for TEE - resolution is greater
In nearly all cases TEE should be done
TEE is essential for prosthetic valves
TTE yields better information on valve function and hemodynamics
European Heart Journal (2014) 35, 624
TTE vs TEE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
2015 ESC Guidelines for the management of infective endocarditis
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
AHA Scientific Statement on Infective Endocarditis 2015
“Echocardiogram positive for IE (TEE recommended for patients withprosthetic valves, rated at least possible IE by clinical criteria, orcomplicated IE [paravalvular abscess]; TTE as first test in otherpatients) defined as follows: oscillating intracardiac mass on valve or supporting structures, in the path of regurgitant jets, or on implanted material in the absence of an alternative anatomic explanation; abscess; or new partial dehiscence of prosthetic valve or new valvular regurgitation(worsening or changing or pre-existing murmur not sufficient)”
Echocardiography should be performed expeditiouslyin patients suspected of having IE (Class I; Level of Evidence A)
Echo Findings: A Major Criterion for Endocarditis (Modified Duke Criteria)
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
J Am Soc Echocardiogr 2012;25:807
Patients with right-sided IE are younger, more often IV drug abusers, and have larger vegetations
Pulmonary embolism is more frequentS. Aureus is cause in 80%
Right-Sided Endocarditis
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
J Am Soc Echocardiogr2012;25:807
RV inflow view is important as is RV outflow view
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Large vegetations (>10 mm in diameter) Severe valvular insufficiency, valvular
perforation or dehiscenceAbscess cavities or pseudoaneurysmsEvidence of decompensated heart
failureAHA Scientific Statement on Infective Endocarditis 2015
Features indicating high risk for complications or need for surgery
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
AHA Scientific Statement on Infective Endocarditis 2015
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
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UNCLASSIFIED PACIFIC PARTNERSHIP 2016
Echocardiography in IE
The End