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ADULT CONGENITAL HEART DISEASE Stuart Lilley • More adults than children have congenital heart disease •Huge variety of congenital lesions from minor to major • Heart failure, re-operation and arrhythmia are inevitable in this group of patients • Good imaging is the key to diagnosis, functional assessment and effective follow-up •Know the limitations of the imaging technique and the imager !! Important issues in adult echo Device closure of ASD & PFO – TTE/TOE The systemic right ventricle Univentricular repair Pulmonary regurgitation & RV assessment Bicuspid aortic valves Eisenmenger patients - PAH Congenital Heart Disease VSD PDA ASD PS AS COARCTATION TGA TETRALOGY 0 5 10 15 20 25 Percentage liveborn 30 35 New diagnosis ASD or aneursym VSD or aneurysm Pulmonary stenosis Valve or subaortic stenosis APVD AVSD Arterial duct Coarctation Ebstein’s Tetralogy of Fallot UVH Cor triatriatum CCTGA Adults with congenital heart disease 39 15 8 5 4 4 4 3 1 <1 <1 <1 <1 Important Anatomical features Left SVC ADULT TYPES L-R SHUNTS OBSTRUCTIONS – Muscular/membrane, valve and supravalve,and Arterial REGURGITATION VENTRICULAR FUNCTION ASD L-R Shunt at Atrial level Right heart enlargement Late development Pulmonary Artery Hypertension Arrythmias Echo Appearances ASD aneurysmal ASD ASD – Sinus Venosus - LPAPVD TOE DEVICE CLOSURE TOE device placement PFO - TOE CONTRAST STUDY VALSALVA EDGE IDENTIFICATION SIZE SINGLE/MULTIPLE ANEURYSM IDENTIFICATION VSD PERIMEMBRANOUS MUSCULAR/TRABECULAR SUB AORTIC SUB ARTERIAL DOUBLY COMITTED ANTERIOR MUSCULAR POSTERIOR APICAL INLET VSD VSD SMALL ANEURYSM MUSCULAR ENLARGED LV AND LA PULMONARY PRESSURE ENDOCARDITIS RISK TOE AVSD 1 PARTIAL L- R ATRIAL SHUNT 2 COMPLETE L- R ATRIAL + VENTRICULAR SHUNT AV VALVE ABNORMALITY CHORDAL ARRANGEMENT SUB AORTIC STENOSIS DOWNS SYNDOME AVSD AVSD PARTIAL AVSD COMMON ORIFICE AVSD Calculations RV /PA pressure – Doppler Tricuspid regurgitation/ VSD signal L-R Shunt size –Doppler mean velocity PA PRESSURE ASD – Tricuspid regurgitation ( TR) spectral VSD – TR or VSD spectral Arterial Duct (AD) - TR or AD spectral NEED QUALITY SIGNALS TR 2M/S = 16mmHg VSD Spectral Doppler RVp = 120 – 100mmHg EISENMENGER SYNDROME SHUNT SIZE ESTIMATE PULMONARY FLOW / SYSTEMIC FLOW 1:1 DOPPLER CALCULATIONS L-R SHUNTS Normal heart shunt is 1:1 QP – Pulmonary flow Qs – Systemic flow ASD/VSD means increased Pulmonary blood flow -shunt will be greater than 1 : 1 We then can calculate shunt size from calculating QP and dividing it by QS AO stroke volume Mean Velocity x time = stroke distance - SD Calculate AO root area from Radius (pr ) – AREA Measure mean velocity Stroke volume = SD X AREA SHUNT = SV PA/SV AO PA stroke volume • Mean Velocity x time = stroke distance - SD • Calculate PA root area from Radius (pr ) – AREA • Measure mean velocity • Stroke volume = SD X AREA SHUNT = SVPA/SVAO ARTERIAL DUCT DESC AO – LPA L-R SHUNT LEFT HEART ENLARGEMENT LARGE SHUNTS PRODUCE PAH CONTINOUS SHUNT LEFT PARASTERNAL SUPRASTERNAL DEVICE CLOSURE PAH - EISENMENGER AORTIC STENOSIS VALVE RE GROWTH BICUSPID AO VALVE ECCENTRIC AO FLOWS . WALL ANEURYSM . ENDOCARDITIS COARCTATION of AORTA AO NARROWING AT DUCTAL AREA PROXIMAL HYPERTENSION LV HYPERTROPHY BICUSPID AO V association DUCTAL TISSUE INVOLVEMENT POOR/DELAYED LEG PULSES SUPRASTERNAL TOE EBSTEINS Failure of TV leaflets to form of endocardium Large sail-like leaflets – regurgitation Abnormal tethering – stenosis Small RV, huge RA Reduced PA flow Arrythmias LV dysfunction Cyanosis if PFO present FALLOTS TETRALOGY VSD, PS , RVH , DEXTROPOSITION of AO Fallots tetralogy LARGE VSD, OVERIDING AORTA, PULMONARY OBSTRUCTION CONGENITALLY CORRECTED TRANSPOSITION VENTRICLES SIDE BY SIDE CRUX APPEARS REVERSED GREAT ARTERIES ARE PARALLEL AO IS ANTERIOR + TO LEFT TR RV is systemic VSD, PS, TR , RV DYSFUNCTION UNIVENTRICULAR HEART RV or LV TYPE ONE or TWO AV Valves OUTLET OBSTRUCTION HEART BLOCK – PACEMAKER DYSFUNCTION POST OPERATIVE and OTHER ISSUES FALLOTS Dis-synchrony , Free PR FALLOTS RV DIS-SYNCHRONY RV DILATATION PR ARRYTHMIAS – RVOT VT Long QRS SUDDEN DEATH CCTGA SYSTEMIC RV and TR HEART BLOCK TGA with atrial baffle SYSTEMIC RV HEART BLOCK ATRIAL ARRYTHMIA PUMP FAILURE LONG STANDING TR UNIVENTRICULAR REPAIR ATRIAL/ SYSTEMIC VENOUS PLUMBING – FONTAN TYPE OP (requires low LA pressure) ARRYTHMIAS DIS SYNCHRONY AV VALVE REGURGITATION PUMP FAILURE Restricted to older patients. Classical Fontan Connects right atrial appendage directly to main pulmonary artery. Any ventriculo-pulmonary connection is divided. Present day situation Univentricular repair UNIVENTRICULAR REPAIR REQUIRES LOW LA PRESSURE TRANSPULMONARY GRADIENT IS MAINTAINED LV function MUST BE GOOD NO DIS SYNCHRONY MINIMAL AV VALVE REGURGITATION ECHO 4 F’S Re synchronisation VENTRICULAR FUNCTION VENTRICULAR FUNCTION 3D VALVE REPAIR 3D MORE LIKE MRI 3D STRAIN GUCHD GOOD PATIENT PROCEDURE HISTORY DETAILED DESCRIPTION OF ANATOMY MULTI SPECIALITY APPROACH (ECHO,CATH,MRI,ELECTROPHYSIOLOGY) VENTRICULAR FUNCTION DRUGS PREGNANCY LIFESTYLE