interventional cardiology an overview timothy p. morris, d.o., f.a.c.c
TRANSCRIPT
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INTERVENTIONAL CARDIOLOGY
AN OVERVIEW
Timothy P. Morris, D.O., F.A.C.C.
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INTERVENTIONAL CARDIOLOGY
• DIAGNOSTIC CATHETERIZATION• CORONARY ANGIOPLASTY• AORTIC AND PERIPHERAL ANGIOPLASTY• PERCUTANEOUS CLOSURE OF SHUNTS• FOREIGN BODY REMOVAL• STIMULATION OF COLLATERAL
FORMATION
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INTERVENTIONAL CARDIOLOGY
• UNITED STATES 1.2 MILLION DIAGNOSTIC CATHETERIZATIONS PER YEAR
• 480,000 CORONARY ANGIOPLASTIES PER YEAR
• 1 MILLION WORLDWIDE
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INTERVENTIONAL CARDIOLOGY
• HISTORY– FORSSMAN 1929
• 1st RIGHT HEART CATH
– ZIMMERMAN 1950• 1st LEFT HEART CATH
– SELDINGER 1953– SONES 1958– GRUENTZIG 1977
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INTERVENTIONAL CARDIOLOGY
INDICATIONS
• ASYMPTOMATIC– POSITIVE STRESS TEST
– SUDDEN CARDIAC DEATH
– INDIVIDUALS IN HIGH RISK PROFFESIONS
– PRIOR TO SURGERY WITH BORDERLINE POSITIVE NONINVASIVE STRESS TESTS AND RISK FACTORS
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INTERVENTIONAL CARDIOLOGY
• SYMPTOMATIC– FAILED MEDICAL THERAPY– UNSTABLE ANGINA PECTORIS– PRINZMETAL’S ANGINA– ANGINA PECTORIS
• INTOLERANCE TO MEDS
• HIGH RISK OCCUPATION
• MARKEDLY ABNORMAL STRESS TEST
– PRIOR TO VASCULAR SURGERY
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INTERVENTIONAL CARDIOLOGY
• ATYPICAL CHEST PAIN– HIGH RISK NON-INVASIVE STUDIES– SUSPECTED CORONARY VASOSPASM– CONGESTIVE HEART FAILURE
• POST MYOCARDIAL INFARCTION– FAILED THROMBOLYTIC THERAPY– SUSPECTED COMPLICATIONS
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INTERVENTIONAL CARDIOLOGY
• VALVULAR HEART DISEASE– POSITIVE NON-INVASIVE STRESS TEST– PRIOR TO VALVE REPLACEMENT
• MALES > 35 y.o.• FEMALES > 40 y.o.
• CONGENITAL HEART DISEASE– SUSPECTED CORONARY ANOMALIES– MALES > 40 y.o., POST MENOPAUSAL
FEMALES
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INTERVENTIONAL CARDIOLOGY
• PROCEDURE– ARTERIAL ACCESS– VENOUS ACCESS– LEFT HEART CATH– RIGHT HEART CATH– SELECTIVE CORONARY ANGIOGRAPHY
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INTERVENTIONAL CARDIOLOGY
LIMITATIONS OF ANGIOGRAPHY
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
ULCERATED PLAQUE
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INTERVENTIONAL CARDIOLOGY
INDICATIONS FOR PTCA
• ASYMPTOMATIC , MILD SYMPTOMS– SUDDEN CARDIAC DEATH– SEVERE MYOCARDIAL ISCHEMIA– FAILURE MEDICAL THERAPY– INTOLERANT OF MEDICAL THERAPY– PRIOR TO HIGH RISK SURGERY
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INTERVENTIONAL CARDIOLOGY
INDICATIONS FOR PTCA
• SYMPTOMATIC– UNSTABLE ANGINA PECTORIS– FAILED MEDICAL THERAPY– LARGE AREA VIABLE MYOCARDIUM– RESCUE PTCA– PRIMARY PTCA IN ACUTE MI– CARDIOGENIC SHOCK
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY PTCA PROCEDURE
• FEMORAL ARTERIAL/ VENOUS ACCESS
• PLACE GUIDE CATHETER
• WIRE LESION
• BALLOON ANGIOPLASTY
• STENT
• “SEAL ARTERIOTOMY”
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INTERVENTIONAL CARDIOLOGY
PHARMACOLOGIC THERAPY• ASPIRIN
• HEPARIN
• GLYCOPROTEIN 2B-3A INHIBITORS
• TICLID
• PLAVIX
• TREATMENT OF RISK FACTORS
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
CONTRAINDICATIONS• ABSOLUTE
– UNPROTECTED LEFT MAIN– LESION LESS THEN 50% – NO SURGICAL BACKUP
• RELATIVE– DIFFUSELY DISEASED SVG– DIFFUSELY DISEASED NATIVE VESSELS
WITH GOOD DISTAL TARGETS
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INTERVENTIONAL CARDIOLOGY
CONTRAINDICATIONS• RELATIVE (continued)
– BLEEDING DIASTHESIS– PTCA OF NON-INFARCT VESSEL DURING
PRIMARY PTCA – HIGH RISK ANATOMY FOR ABRUPT
CLOSURE– SOLE VESSEL SUPPLYING HEART– DIABETICS WITH MULTIVESSEL Dx
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INTERVENTIONAL CARDIOLOGY
MAJOR COMPLICATIONS
• DEATH (0.5%-1%)
• Q-WAVE MYOCARDIAL INFARCTION ( 1%-3%)
• EMERGENT SURGERY (1%)
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INTERVENTIONAL CARDIOLOGY
PROCEDURAL COMPLICATIONS
• ACUTE CLOSURE (4%-8%)– SPASM– THROMBUS – DISECTION– EMBOLISM– TREATABLE WITH STENTS
• PERFORATION
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
SHORT TERM RESULTS• SUCCESS RATES (90%-95%)
• RESTENOSIS – OCCURS IN 2-4 MONTHS ,RARE AFTER 6
MONTHS– RATE (32%-57%)– STENTS ( 20%-30%)
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
LONG TERM RESULTS
• SURVIVAL– 1 YEAR ( 97%)– 5 YEARS (88%-97%)– 10 YEARS (78%-90%)
• EVENT-FREE SURVIVAL– 1 YEAR (81%-90%)– 5 YEARS ( 79%)– 10 YEARS ( 65%)
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INTERVENTIONAL CARDIOLOGY
NEW DEVICES• STENTS
• DIRECTIONAL ATHERECTOMY
• ROTATIONAL ATHERECTOMY
• TRANSLUMINAL ATHERECTOMY
• ANGIOJET
• RADIATION
• PMR
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
NIR STENT
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• C:\WINDOWS\All Users\Application Data\Microsoft\Works\Portfolio\Sample.dir\70\Portfolio file 1.emf
Non Non ––Q Wave MIQ Wave MI
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NonNon--Q MI s/p stentQ MI s/p stentNonNon--Q MI s/p stentQ MI s/p stent
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PostPost--infarct Anginainfarct Angina
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PostPost--infarct Angina s/p stentinginfarct Angina s/p stenting
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INTERVENTIONAL CARDIOLOGY
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INTERVENTIONAL CARDIOLOGY
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Failed Retavase Prior to AngiojetFailed Retavase Prior to Angiojet
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Failed Retavase s/p Angiojet and Failed Retavase s/p Angiojet and stentingstenting
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INTERVENTIONAL CARDIOLOGY
MITRAL VALVULOPLASTY
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INTERVENTIONAL CARDIOLOGY
CAROTID STENOSIS
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INTERVENTIONAL CARDIOLOGY
CAROTID STENOSIS AFTER STENTING
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INTERVENTIONAL CARDIOLOGY
SUBCLAVIAN STENOSIS
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INTERVENTIONAL CARDIOLOGY
SUBCLAVIAN STENOSIS POST PTA
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INTERVENTIONAL CARDIOLOGY
PTMR
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INTERVENTIONAL CARDIOLGY
SUMMARY• RAPIDLY GROWING FIELD
• PTCA IDEAL FOR SINGLE VESSEL AND 2-VESSEL DISEASE WITHOUT PROXIMAL LAD INVOLVEMENT
• STENTS USED IN 80% PTCA CASES
• RESTENOSIS A LIMITING FACTOR
• NON-CORONARY PTA EXPANDING