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Pericardial Disease Simulation training Curriculum Constrictive Pericarditis Etiology • • • • • • Idiopathic Irradiation Post-surgical Infectious Neoplastic Connective tissue disorder • • • • • Uremia Trauma Sarcoid Methysergide therapy Epicardial implantable defibrillator patches CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention Kussmaul’s Sign CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention Cardiac Tamponade 40 20 0 CATHSAP6: Coronary Angiography and Intervention Balloon Pericardiotomy Case 1: Constrictive Pericarditis • • • • • 64 year old female 1 Year s/p 3-vessel CABG Presents with 6 months of progressive dyspnea and atypical chest pain At angiography, all grafts are patent Hemodynamics 40 Right atrium 20 0 40 20 0 LV vs. RV 40 20 0 LV vs. RV with Valsalva Constrictive Pericarditis Right Atrial Tracing X-descent y-descent Constrictive Pericarditis – LV vs. RV. Tachycardia Obscures Evaluation PVB Kussmaul sign CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention CATHSAP6: Coronary Angiography and Intervention Restrictive Cardiomyopathy Ventricular Interdependence During Respirations Differentiates Constrictive Pericarditis from Restrictive Cardiomyopathy Constrictive Pericarditis (LV and RV discordant) Hurrell et al, Circulation 1996; 93:2007 Restrictive Cardiomyopathy (LV and RV concordant) Sensitivities, Specificities, Positive Predictive Values, and Negative Predictive Values as a [Return to Article] Function of Criteria Table 3. Sensitivities, Specificities, Positive Predictive Values, and Negative Predictive Values as a Function Criteria Conventional LVEDP–RVEDP mm Hg RVEDP/RVSP >1/3 PASP <55 mm Hg LV RFW mm Hg Respiratory change in RAP <3 mm Hg Dynamic respiratory PCWP/LV respiratory gradient mm Hg LV/RV interdependence 5 7 5 Sensitivity, % Specificity, % PPV, % NPV, % 60 93 93 93 93 38 38 24 57 48 4 52 47 61 58 57 89 25 92 92 93 100 81 95 78 94 94 100 PPV indicates positive predictive value; NPV, negative predictive value; and RAP, right atrial pressure. [Return Article] Hurrellto et al, Circulation 1996; 93:2007 Constrictive Pericarditis vs. Restrictive Cardiomyopathy • Greater ventricular interdependence in constrictive pericarditis • Greater separation of diastolic pressure in restrictive cardiomyopathy • LV and RV diastolic filling more rapid in constrictive pericarditis • Pulmonary pressures higher in restrictive cardiomyopathy • Adjunctive tests: evidence of pericardial thickening (normal 1-2 mm; thickening ≥ 3 mm); pericardial calcification, RV biopsy, exploratory thoracotomy Case 3: Pericardial Tamponade • 37 year old female • 2 day history of dyspnea, fatigue and dizziness • Mastectomy for breast cancer 3 years ago • Echocardiogram suggests pericardial tamponade • Hemodynamics Cardiac Tamponade Pulsus Paradoxus 200 Femoral artery inspiration 100 0 expiration 40 Right atrium 20 0 40 20 0 Right ventricle 40 20 0 Pulmonary artery 40 20 0 Pulmonary capillary wedge 40 Before Pericardiocentesis; Pericardium vs. RA 20 0 After Pericardiocentesis 40 20 Right atrium Pericardium 0 After Pericardiocentesis 40 20 0 Right ventricle After Pericardiocentesis 40 Pulmonary capillary wedge 20 0 Long-Term Effectiveness of Pericardiocentesis • 2/3 of patients with malignant pericardial effusions redevelop tamponade after a median of 7 days • More than 80% of patients with non-malignant pericardial effusion require no further intervention Laham et al, Heart 1996; 75:67 Variants on Constrictive-Restrictive Physiology • Acute enlargement of the heart with constriction by normal pericardium – right ventricular infarct, tricuspid regurgitation, mitral regurgitation • Low pressure tamponade • Effusive-constrictive pericarditis • Single chamber tamponade • Localized constriction • Occult constrictive pericarditis Severe, Acute Tricuspid Regurgitation Associated With ConstrictiveRestrictive Physiology Severe, Acute Mitral Regurgitation Associated With Constrictive-Restrictive Physiology Variants on Constrictive-Restrictive Physiology • Acute enlargement of the heart with constriction by normal pericardium – right ventricular infarct, tricuspid regurgitation, mitral regurgitation • Low pressure tamponade • Effusive-constrictive pericarditis • Single chamber tamponade • Localized constriction • Occult constrictive pericarditis