Acute Pericarditis and Pericardial Effusion Meghan York September 9, 2009.
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Transcript of Acute Pericarditis and Pericardial Effusion Meghan York September 9, 2009.
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Acute Acute Pericarditis and Pericarditis and
Pericardial Pericardial EffusionEffusionMeghan YorkMeghan York
September 9, 2009September 9, 2009
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OutlineOutline
1)1) Anatomy of pericardiumAnatomy of pericardium
2)2) Overview of pericardial diseaseOverview of pericardial disease
3)3) EtiologyEtiology
4)4) Clinical presentationClinical presentation
5)5) Ancillary diagnosticsAncillary diagnostics
6)6) Echocardiography in evaluation Echocardiography in evaluation
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AnatomyAnatomy Normal amount of Normal amount of
pericardial fluid: 15-pericardial fluid: 15-50 cc50 cc
Two layers:Two layers: Outer layer is the Outer layer is the
parietal pericardium parietal pericardium and consists of layers and consists of layers of fibrous and serous of fibrous and serous tissuetissue
Inner layer is visceral Inner layer is visceral pericardium and pericardium and consists of serous consists of serous tissue onlytissue only
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PericardiumPericardium Fibroelastic sac Fibroelastic sac
consisting of 2 consisting of 2 layerslayers Visceral at Visceral at
epicardial sideepicardial side Parietal at Parietal at
mediastinal mediastinal sideside
Pericardial fluid Pericardial fluid formed from formed from ultrafiltrate of ultrafiltrate of plasmaplasma
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Diseases of the Diseases of the PericardiumPericardium
Acute Fibrinous PericarditisAcute Fibrinous Pericarditis Pericardial EffusionPericardial Effusion
Cardiac tamponadeCardiac tamponade Recurrent PericarditisRecurrent Pericarditis Constrictive PericarditisConstrictive Pericarditis
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Epidemiology of Acute Epidemiology of Acute PericarditisPericarditis
0.1% of hospitalized patients0.1% of hospitalized patients
5% of patients admitted to 5% of patients admitted to Emergency Department for non-Emergency Department for non-acute myocardial infarction chest acute myocardial infarction chest painpain
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Findings on EchoFindings on Echo
Pericardial effusionPericardial effusion If present, possibility of tamponade If present, possibility of tamponade
physiology needs to be consideredphysiology needs to be considered Pericardial thickeningPericardial thickening
Increased echogenicity of pericardial Increased echogenicity of pericardial reflection and as multiple parallel reflection and as multiple parallel reflections posterior to the LV on M-modereflections posterior to the LV on M-mode
If present, evidence of constrictive If present, evidence of constrictive physiology should be consideredphysiology should be considered
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Tamponade: 2DTamponade: 2D
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Pericardial thickening on Pericardial thickening on EchoEcho
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Findings on CTFindings on CT
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Chest X rayChest X ray Normal in Normal in
patients with patients with acute pericarditis acute pericarditis unless pericardial unless pericardial effusion is effusion is presentpresent
Enlarged cardiac Enlarged cardiac silhouettesilhouette
Requires 200cc of Requires 200cc of fluidfluid
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Chest X RayChest X Ray
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Major Causes of Pericardial Major Causes of Pericardial DiseaseDisease
1)Infection1)Infection2)Radiation2)Radiation3)Neoplasm3)Neoplasm4)Myocardial intrinisic disease4)Myocardial intrinisic disease5)Trauma5)Trauma6)Autoimmune6)Autoimmune7)Drugs7)Drugs8)Metabolic8)Metabolic
*viral, autoreactive/autoimmune, and *viral, autoreactive/autoimmune, and neoplastic most common diagnosisneoplastic most common diagnosis
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Etiology of Acute Etiology of Acute Pericarditis: InfectiousPericarditis: Infectious
Viral Viral -adenovirus-adenovirus-enterovirus-enterovirus--
cytomegaloviruscytomegalovirus-influenza-influenza-hepatitis B-hepatitis B-herpes simplex-herpes simplex-echovirus-echovirus-mumps-mumps
MycoplasmaMycoplasma
FungalFungal
ParasiticParasitic
BacterialBacterial-staphylococcus-staphylococcus-streptococcus-streptococcus-pneumococcus-pneumococcus-haemophilus-haemophilus-neisseria-neisseria-chlamydia-chlamydia-legionella-legionella-tuberculous-tuberculous-lyme disease-lyme disease
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Etiology: continuedEtiology: continuedRadiationRadiation
NeoplasmNeoplasm-metastatic-metastatic-primary cardiac-primary cardiac-paraneoplastic-paraneoplastic
CardiacCardiac-early infarction-early infarction-Dressler’s-Dressler’s-myocarditis-myocarditis-aortic dissection-aortic dissection
TraumaTrauma-blunt-blunt-iatrogenic (perforations, -iatrogenic (perforations, post-surg)post-surg)
AutoimmuneAutoimmune-rheumatic disease-rheumatic disease-non-rheumatic-non-rheumatic
-Wegners, sarcoid, IBD-Wegners, sarcoid, IBD
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Etiology: continuedEtiology: continued
DrugsDrugs
-drug induced -drug induced lupuslupus
hydralazinehydralazine
isoniazidisoniazid
procainamideprocainamide
-doxorubicin-doxorubicin
-phenytoin-phenytoin
MetabolicMetabolic
-hypothyroid-hypothyroid
-uremia-uremia
-ovarian -ovarian hyperstimulationhyperstimulation
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Lab TestingLab Testing
the historic yield of diagnostic the historic yield of diagnostic evaluation is low, typically only in 16% evaluation is low, typically only in 16% of patients is etiology determined.of patients is etiology determined.
evaluation of pericardial fluid and evaluation of pericardial fluid and tissue with tumor markers, PCR, tissue with tumor markers, PCR, immunohistochemistry, flourescence-immunohistochemistry, flourescence-activated cell sorting has shown a activated cell sorting has shown a trend toward higher yield of diagnosistrend toward higher yield of diagnosis
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Diagnosis of Pericarditis: Diagnosis of Pericarditis: Presence of two of the following Presence of two of the following
necessarynecessary1) Chest pain1) Chest pain Sudden onsetSudden onset localized to anterior chest walllocalized to anterior chest wall pleuriticpleuritic sharpsharp Positional: may improve if pt leans Positional: may improve if pt leans
forward, worse with lying flatforward, worse with lying flat2) Cardiac auscultation: Pericardial friction rub2) Cardiac auscultation: Pericardial friction rub
Present in up to 85% of pts with Present in up to 85% of pts with pericarditis without effusionpericarditis without effusion
friction of the two inflamed layers of friction of the two inflamed layers of pericardium, typically triphasic rub, pericardium, typically triphasic rub, heard with diaphragm of stethoscope at heard with diaphragm of stethoscope at left sternal borderleft sternal border
3) Characteristic ECG changes3) Characteristic ECG changes4) Pericardial effusion4) Pericardial effusion
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Pertinent Lab ResultsPertinent Lab Results Elevated C reactive protein levelElevated C reactive protein level
strong correlation - normal CRP makes strong correlation - normal CRP makes acute pericarditis diagnosis less likelyacute pericarditis diagnosis less likely
Elevated CK, CK-MB, and TroponinElevated CK, CK-MB, and Troponin Often elevated Troponin aloneOften elevated Troponin alone Indicates inflammation of myocardium Indicates inflammation of myocardium
just beneath the visceral pericardiumjust beneath the visceral pericardium Not associated with worse outcomesNot associated with worse outcomes
LeukocytosisLeukocytosis
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ECG Findings: 60% of ECG Findings: 60% of patientspatients
Stage 1: hours to daysStage 1: hours to days Diffuse ST elevation Diffuse ST elevation
-sensitive v5-v6, -sensitive v5-v6, I, III, II
ST depression I/aVRST depression I/aVR PR elevation aVRPR elevation aVR PR depression diffuse PR depression diffuse
-especially v5-v6-especially v5-v6 PR change is marker PR change is marker
of atrial injuryof atrial injury Stage 2:Stage 2:
NormalizationNormalization
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ECG changes over weeksECG changes over weeks
Stage 3:Stage 3: Diffuse T wave Diffuse T wave
inversionsinversions ST segments ST segments
isoelectricisoelectric
Stage 4:Stage 4: EKG may EKG may
normalizenormalize T wave inversions T wave inversions
may persist may persist indefinitelyindefinitely
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STEMI or Pericarditis by STEMI or Pericarditis by ECGECG
ST elevation in ST elevation in pericarditispericarditis Starts at J pointStarts at J point Rarely exceeds 5mmRarely exceeds 5mm Retains normal Retains normal
concavityconcavity Non-localizingNon-localizing
Arrhythmias very Arrhythmias very unlikely in unlikely in pericarditis (suggest pericarditis (suggest myocarditis or MI)myocarditis or MI)
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Acute PericarditisAcute Pericarditis
51yo man with acute onset sharp 51yo man with acute onset sharp substernal chest pain two days priorsubsternal chest pain two days prior
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Pericardial EffusionPericardial Effusion
Low voltage and Electric AlternansLow voltage and Electric Alternans
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ACC/AHA/ASE 2003 ACC/AHA/ASE 2003 guideline update for the guideline update for the
clinical application of clinical application of echocardiography: echocardiography: summary article summary article
Recommended specific Recommended specific circumstances for use of circumstances for use of echocardiography in pericardial echocardiography in pericardial diseasedisease
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Class I RecommendationsClass I Recommendations
1. Patients with suspected 1. Patients with suspected pericardial disease, including pericardial disease, including effusion, constriction, or effusion, constriction, or effusive-constrictive process.effusive-constrictive process.
2. Patients with suspected 2. Patients with suspected bleeding into the pericardial bleeding into the pericardial space (trauma, perforation, space (trauma, perforation, dissection)dissection)
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Class I (continued)Class I (continued)
3. Follow-up study to evaluate 3. Follow-up study to evaluate recurrence of effusion or to diagnose recurrence of effusion or to diagnose early constriction; repeat studies early constriction; repeat studies may be goal directed to answer a may be goal directed to answer a specific clinical questionspecific clinical question
4. Pericardial friction rub developing 4. Pericardial friction rub developing in acute myocardial infarction in acute myocardial infarction accompanied by symptoms such as accompanied by symptoms such as persistent pain, hypotension, and persistent pain, hypotension, and nauseanausea..
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Class IIaClass IIa
1)Follow-up studies to detect early 1)Follow-up studies to detect early signs of tamponade in the signs of tamponade in the presence of large or rapidly presence of large or rapidly accumulating effusions. A goal-accumulating effusions. A goal-directed study may be appropriate.directed study may be appropriate.
2)Echocardiographic guidance and 2)Echocardiographic guidance and monitoring of pericardiocentesis.monitoring of pericardiocentesis.
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Class IIbClass IIb
1) Postsurgical pericardial disease, 1) Postsurgical pericardial disease, including postpericardiotomy including postpericardiotomy syndrome, with potential for syndrome, with potential for hemodynamic impairment.hemodynamic impairment.
2) In the presence of a strong 2) In the presence of a strong clinical suspicion and clinical suspicion and nondiagnostic TTE, TEE nondiagnostic TTE, TEE assessment of pericardial assessment of pericardial thickness to support a diagnosis of thickness to support a diagnosis of constrictive pericarditis.constrictive pericarditis.
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Effusion: 2D Parasternal Effusion: 2D Parasternal LongLong
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Pericardial Fat PadPericardial Fat Pad
Often pericardial fat pads can be Often pericardial fat pads can be seen in this view anterior to the seen in this view anterior to the RVOTRVOT
Fat pads usually not seen Fat pads usually not seen elsewhereelsewhere
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Effusion: Parasternal Effusion: Parasternal Short AxisShort Axis
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Posterior EffusionsPosterior Effusions
Pericardial effusions can track Pericardial effusions can track posteriorly toward sinusposteriorly toward sinus
In this case, may only be seen in In this case, may only be seen in axial 4 chamber viewaxial 4 chamber view
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Effusion: 2D ApicalEffusion: 2D Apical
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TamponadeTamponade Pressure in pericardium exceeds pressure Pressure in pericardium exceeds pressure
in the cardiac chambers, lower chamber in the cardiac chambers, lower chamber atria affected before higher pressure atria affected before higher pressure ventriclesventricles
Compressive effect is seen best in the phase Compressive effect is seen best in the phase when the intrachamber pressure is lowest – when the intrachamber pressure is lowest – systole for atria and diastole for ventriclessystole for atria and diastole for ventricles
Diagnostic techniquesDiagnostic techniques 2D looking for RA/RV collapse during diastole2D looking for RA/RV collapse during diastole M-mode for RA/RV collapse during diastoleM-mode for RA/RV collapse during diastole Doppler of Mitral and Tricuspid inflowDoppler of Mitral and Tricuspid inflow
Mitral inflow to decrease by 25% with inspirationMitral inflow to decrease by 25% with inspiration Tricuspid inflow increased by 40% with inspirationTricuspid inflow increased by 40% with inspiration
IVC diameter fails to increase with inspirationIVC diameter fails to increase with inspiration
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Tamponade: 2DTamponade: 2D
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Tamponade: M-ModeTamponade: M-Mode
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Tamponade: DopplerTamponade: DopplerMitral InflowMitral Inflow
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Fibrinous PericarditisFibrinous Pericarditis