copteaching for the pcp yright - primary care tips€¦ · –an artery (femoral or brachial)...
TRANSCRIPT
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HARVARD MEDICAL SCHOOL
CaseBasedInterventionalCardiology
TeachingforthePCP
UpdateinInternalMedicine
DuanePinto,MD,MPH,FACCCOPYRIGHT
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HARVARD MEDICAL SCHOOL
Agenda
• IntroductiontotheCathLab
• Whattypesofproceduresaredoneinacath lab
• ConsiderationsforPCPbeforeandafterinterventional
procedures
COPYRIGHT
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HARVARD MEDICAL SCHOOL
WhatProceduresDoneintheCardiacCathLab
• Coronaryangiographyandrevascularization
• Hemodynamicstudies
– Valveinterrogation
– Heartfailure/PericardialConstriction
– Pulmonaryhypertensionevaluation
• Structuralheartprocedures
– ASD/PFO/PDA/Paravalvularleak
– EthanolablationforHOCM
– TranscatheterAVR
– TranscatheterMitralandTricuspidValve
repair/replacement
– Appendageclosure
• Mechanicalassistdevicesforshock
• Peripheralrevascularizationstudies/IVCFilter
insertion/removal
• Pericardialtap/balloonostomy
• EndomyocardialBiopsies
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HARVARD MEDICAL SCHOOL
RHC
• Pressuremeasurements
–Valvularheartdisease
–FillingPressures
–Pulmonaryhypertension
–Pericardialprocesses/Restriction
• OximetricMeasurements
–Shunts
–Cardiacoutput- FickEquation
–Resistances- Ohm’sLaw
4
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HARVARD MEDICAL SCHOOL
RHC
COPYRIGHT
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HARVARD MEDICAL SCHOOL
DetectingShuntsbyOxymetry
∆mean ∆highest QP/QS
Site Sat% Sat% threshold
ANY (PA from SVC) ≥7 ≥8 1.5
RA (from SVC/IVC) ≥7 ≥11 1.5-1.9
RV (from RA) ≥5 ≥10 1.3-1.5
PA (from RV) ≥5 ≥5 1.3
COPYRIGHT
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HARVARD MEDICAL SCHOOL
AtrialTracings
Chest 2000; 118:1788-91.
JVPx
x+x’y
v
ca
x’
S1 S1 S2S2
RA
a c
x’
vx
y
a v
COPYRIGHT
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HARVARD MEDICAL SCHOOL
Case:ET
Severe mitral regurgitation
COPYRIGHT
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HARVARD MEDICAL SCHOOL
TheWorldChangedforFunctionalMRon9/23/18
COPYRIGHT
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HARVARD MEDICAL SCHOOL
COPYRIGHT
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HARVARD MEDICAL SCHOOL
ExerciseHemodynamics
• Forevaluationofvalvulardiseaseandothersituations
• SimultaneouscatherizationisdoneandpressuremeasurementsofRT<heartistaken–Atrest
–Withexertion
• Catheterisplacedin:–Anartery(femoralorbrachial)
–Vein(femoralorbasilic)
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HARVARD MEDICAL SCHOOL
AdvancedDiagnosticStudiesoftheVascularSystem
• BiopsycatheterwithbioptometipisinsertedintojugularorfemoralveinintoRTventricle
• Jawsareopenedandmanybiopsiesaretaken
COPYRIGHT
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HARVARD MEDICAL SCHOOL
BioptomeBiopsies
• Usedtomonitorcardiac
transplantsfortissuerejection
• Andtodifferentiatebetween
varioustypesofcardiomyopathies
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HARVARD MEDICAL SCHOOL
RadialSheath
COPYRIGHT
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HARVARD MEDICAL SCHOOL
Rate Ratio 0.83; 95% CI, 0.73 to 0.96; p=0.0092
11.7%
9.8%
NNTB: 53FemoralRadial
Primary EP: NACE
COPYRIGHT
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HARVARD MEDICAL SCHOOL
CoronaryAngiography
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HARVARD MEDICAL SCHOOL
COPYRIGHT
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HARVARD MEDICAL SCHOOL
COPYRIGHT
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HARVARD MEDICAL SCHOOL
COPYRIGHT
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HARVARD MEDICAL SCHOOL
67Yearoldwomanwithchestpain
COPYRIGHT
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HARVARD MEDICAL SCHOOL
COPYRIGHT
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HARVARD MEDICAL SCHOOL
Ididn ttellyouthewholestory…..
Thatwas23yearsago.Nowsheis90andin
shockwithSTEMI
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HARVARD MEDICAL SCHOOL
• Myleftarmwascoldallofthetime!
COPYRIGHT
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HARVARD MEDICAL SCHOOL
• RecoveredfromMI,ShockandATN
• Dischargedto12dayslater
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DurationofDAPT
• Dualantiplatelettherapy(ASAandP2Y12)isusedforsecondary
preventionofvasculardiseaseandtopreventdevice
thrombosis
• DAPTismandatoryforaperiodoftimewithoutinterruptionto
preventstentthrombosis.
–Peripheralvascularstents1month
–Percutaneousvalves3monthsunlessbleedingorneedanticoagulation
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HARVARD MEDICAL SCHOOL
InpatientswithACS(STEMIorNSTEACS)whoreceivePCI:
Values and Preferences: These recommendations place greater emphasis on reduction of major cardiovascular events and stent thrombosis versus an increase in bleeding complications.
Recommendations
• We recommend dual antiplatelet therapy (DAPT) with ASA 81 mg daily plus either ticagrelor 90 mg twice daily or prasugrel 10 mg once daily over clopidogrel 75 mg once daily for 1 year (Strong
Recommendation, High Quality Evidence).
• We recommend that in patients who tolerate 1 year of DAPT without a major bleeding event and who are
not at high risk of bleeding, DAPT should be extended beyond 1 year (Strong Recommendation, High Quality Evidence for up to 3 years of treatment). After 1 year, we recommend a DAPT regimen of ASA 81 mg daily plus either ticagrelor 60 mg twice daily or clopidogrel 75 mg once daily (Strong
Recommendation, High Quality Evidence) or prasugrel 10 mg once daily (Weak Recommendation, Moderate Quality Evidence).
2018 CCS/CAIC Focused Update of the Guidelines for the Use of Antiplatelet Therapy
https://www.ccs.ca/images/Guidelines/Educational.../APT_Gui_2018_SD_EN.pptx
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HARVARD MEDICAL SCHOOL
DurationofDAPTforpatientstreatedwithPCIinACS
settings
Practical tips:
• Recommendations on duration of DAPT apply specifically to duration of P2Y12 inhibitor
therapy. ASA should be continued indefinitely in most patients with CAD who are not on oral
anticoagulant therapy.
• Patients who have clinical or angiographic features for an increased risk of a thrombotic
cardiovascular event may derive greater absolute benefit from extended DAPT beyond 1 year.
• Quantitative risk scores have been developed. These scores may help identify higher risk
patients with greater absolute benefit of extended DAPT .
• An ongoing assessment of bleeding and ischemic risk should be performed at least annually to
determine whether DAPT should be continued.
• Prasugrel should be avoided in patients with previous TIA or stroke.
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HARVARD MEDICAL SCHOOL
PCI for STEMI or NSTEACS
DAPT for 1 year
ASA 81 mg once daily +
Ticagrelor 90 mg BID or Prasugrel 10 mg once daily preferred over
Clopidogrel 75 mg once daily
At 1 year, determine bleeding risk
Not at high risk of bleeding1
1 Factors associated with increased bleeding risk include: need for OAC in addition to DAPT,
advanced age (> 75 years), frailty, anemia with hemoglobin < 110 g/dL, chronic renal failure
(creatinine clearance < 40 mL/min), low body weight (< 60 kg), hospitalization for bleeding within
last year, prior stroke/intracranical bleed, regular need for NSAIDS or prednisone2 Instead of ticagrelor or clopidogrel, prasugrel 5-10 mg daily is also an option (weak
recommendation)
DAPT=dual antiplatelet therapy SAPT=single antiplatelet therapy STEMI=ST segment elevation
myocardial infarction NSTEMI=non-ST segment elevation myocardial infarction BID=twice daily
Strong recommendation
Weak recommendation
High risk of bleeding1
Continue DAPT for up to 3 years
ASA 81 mg once daily +
Ticagrelor 60 mg BID or
Clopidogrel 75 mg once daily2
SAPTASA 81 mg once daily
orClopidogrel 75 mg once daily
2018 CCS/CAIC Focused Update of the Guidelines for the Use of Antiplatelet Therapy
https://www.ccs.ca/images/Guidelines/Educational.../APT_Gui_2018_SD_EN.pptx
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HARVARD MEDICAL SCHOOL
Clinical AngiographicPriormyocardialinfarctionortroponin
positiveacutecoronarysyndrome
Multiplestents(≥3stentsimplanted,≥
3lesionsstented)
DiabetesMellitustreatedwithoral
hypoglycemics orinsulin
Longlesionlength(>60mmtotalstent
length)
Chronickidneydisease(creatinine
clearance≤60ml/min)
Complexlesions(bifurcationtreated
with2stents,stentingofchronic
occlusion)
Priorstentthrombosis LeftmainorproximalLADstenting
Multivessel PCI
Net benefit to diabetics in the absence of any of other high risk features is unclear
High-riskclinicalandangiographic featuresfor
thromboticevents
2018 CCS/CAIC Focused Update of the Guidelines for the Use of Antiplatelet Therapy
https://www.ccs.ca/images/Guidelines/Educational.../APT_Gui_2018_SD_EN.pptx
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HARVARD MEDICAL SCHOOL
Factorsassociatedwithincreasedbleeding risk
1. Need for OAC in addition to DAPT
2. Advanced age (> 75 years)
3. Frailty
4. Anemia with hemoglobin < 110 g/dL
5. Chronic renal failure (creatinine clearance < 40 mL/min)
6. Low Body Weight (< 60 kg)
7. Hospitalization for bleeding within last year
8. Prior stroke/intracranical bleed
9. Regular need for NSAIDS or prednisone
2018 CCS/CAIC Focused Update of the Guidelines for the Use of Antiplatelet Therapy
https://www.ccs.ca/images/Guidelines/Educational.../APT_Gui_2018_SD_EN.pptx
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HARVARD MEDICAL SCHOOL
RiskscoresforDAPTdurationdecisions
Score Name Online calculator Patient Population Score Description DAPT
duration
periods
Score variables Validation Comments
PRECISE-
DAPT19
www.precisedaptsco
re.com/predapt/inde
x.html
PCI with or without
ACS
Estimates 1 year rates of ischemic and
bleeding events for patients treated with
PCI.
Patients with PRECISE-DAPT score>25
have lower predicted rates of bleeding
events and similar rates of ischemic
events with shortened DAPT (3-6
months versus 12-24 months)
3-6 months
vs. 12-14
months
Age, previous bleeding,
white- blood-cell count,
haemoglobin, creatinine
clearance
Validated in two separate
cohorts (total patients
involved in the development:
29,730)
c-statistic in the two
validation cohorts = 0.66 and
0.70
Discrimination lower for patients on
prasugrel
Angiographic and PCI variables not included
Does not provide guidance to support the
decision to prolong DAPT over one year
following PCI
CALIBER130 https://farr-data-
lab.shinyapps.io/cali
ber-
prolonged_dapt_ben
efits_harms_risks/
Patients surviving 1
year post MI including
those treated with or
without PCI
Estimates ischemic and bleeding events
2-6 years post MI with and without
prolonged DAPT
12 months
vs. >12
months
Ischemic prediction score
includes 20 variables and
bleeding prediction score
includes 18 variables
Validated in two cohorts
(total patients involved in the
development: 19,784)
c-statistic in the validation
cohort = 0.75 for ischemic
endpoints, and 0.72 for
major bleeding
High number of variables included in the
model
Angiographic and PCI variables not included
Did not include any patients treated with
prasugrel
DAPT16 http://tools.acc.org/
DAPTriskapp/#!/co
ntent/calculator/
Patients 1 year after
PCI without bleeding
or ischemic events
Estimates the net benefit between
ischemic and bleeding events with
prolonged DAPT. Patients with DAPT
score ≥ 2 had fewer ischemic and
bleeding events with prolonged dual
antiplatelet therapy (>12 months)
12 months
vs. >12
months
Age, cigarette smoking,
diabetes mellitus, MI at
presentation, prior PCI or
prior MI, paclitaxel-
eluting stent, stent
diameter <3 mm, CHF or
LVEF <30%, vein graft
stent
Validated in a separate
retrospective cohort (total
patients involved in the
development: 19,784)
c-statistic in the validation
cohort = 0.64 in both the
ischemic and bleeding
models
Incorporates angiographic and PCI data
<50% of the patients in the derivation cohort
were implanted second-generation DES
Did not include any patients treated with
ticagrelor
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HARVARD MEDICAL SCHOOL
History
• 72yearoldwomanwithdiabetes underwent19mmtissue AVR.25mmtissueMVR
andtricuspid valverepairwitha28mmPhysio IIannuloplasty ringin11/16for
radiation inducedvalvedisease (Hodgkin’s)withSVGtoRCA
• Overthenext2months,describes Class III-IVsymptomsoffatigue,abdominal
fullness andedema
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
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Recovery
• Postprocedurerecoverycomplicated bychylothorax unrelated toTTVRaccess
• 6monthfollow-up,rightsided symptomsresolved,Class IIsymptomsthoughtrelated
todiastolic heartfailuremanagedwithdiuretics
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HARVARD MEDICAL SCHOOL
4monthfollow-upECHO
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EndocarditisProphylaxisandfollow-up
• Noneedforcoronaryandperipheralstents
• ASD/PFOClosure=6months
• Trancatheter valves-=Lifelong
• ECHOinhospital,30days,yearlyCOPYRIGHT
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•89yearoldmanwithLVEF20-25%,ASwithpeak
gradient28mmhg,Mean15mmHg,CABG2002
referredforelectivePCIaftercatheterizationfor
medicationveryabnormalstresstestpriorto
urologicsurgeryCOPYRIGHT
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HARVARD MEDICAL SCHOOL
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HARVARD MEDICAL SCHOOL
Elective PCI
Not at high risk of bleeding1 High risk of bleeding1
DAPT for 6 months
ASA + clopidogrel
YES
1 Factors associated with increased bleeding risk include: need for OAC in addition to DAPT, advanced age (> 75 years), frailty, anemia with hemoglobin < 110 g/dL, chronic renal failure (creatinine clearance < 40 mL/min), low body weight (< 60 kg), hospitalization for bleeding within last year, prior stroke/intracranical bleed, regular need for NSAIDS or prednisone.
2 Clinical and angiographic features associated with increased risk of thrombotic events include: age > 65, diabetes mellitus, prior myocardial infarction, chronic renal dysfunction (creatinine clearance < 60 mL/min), multi-vessel disease, multiple stents implanted, complex bifurcation lesion, total stent length > 60 mm, chronic total occlusion intervention or bioabsorbable vascular scaffold (BVS) implantation.
DAPT=dual antiplatelet therapy SAPT=single antiplatelet therapy BMS=bare metal stent DES=drug eluting stent
High-riskclinical or angiographic featuresfor thrombotic cardiovascular events2,
and not at high risk of bleeding?1
DAPT for 1 month if BMS,
or 3 months if DES
NO
Extend DAPTup to 3 years
ASA 81 mg daily +
Clopidogrel75 mg daily
SAPT
ASA 81 mg daily or
Clopidogrel75 mg daily
Strong recommendation
Weak recommendation
SAPT
ASA 81 mg daily or
Clopidogrel
75 mg daily
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InterruptingDAPTfornon-cardiacsurgery
• In patients treated with a bare metal stent who require elective non-cardiac
surgery, we recommend delaying surgery for at least 1 month after PCI
(Strong Recommendation, Moderate Quality Evidence).
• In patients treated with a drug eluting stent who require elective non-cardiac
surgery, we recommend delaying surgery for at least 3 months after PCI
(Strong Recommendation, Moderate Quality Evidence). If there is a need
for semi-urgent non-cardiac surgery, we suggest delaying surgery for at least
1 month after PCI (Weak Recommendation, Low Quality Evidence).
Recommendations
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InterruptingDAPTfornon-cardiacsurgery
• In patients treated with a bare metal or drug eluting stent who require elective non-cardiac
surgery, we suggest continuing ASA perioperatively whenever possible (Weak
Recommendation, Low Quality Evidence).
• In patients treated with a bare metal or drug eluting stent who require elective non-cardiac
surgery, we suggest withholding clopidogrel and ticagrelor for 5-7 days pre-operatively, and
prasugrel for 7-10 days pre-operatively (Weak Recommendation, Low Quality Evidence).
• In patients treated with a bare metal or drug eluting stent who have undergone non-cardiac
surgery, we suggest restarting maintenance dose DAPT after surgery, as soon as it is
deemed safe by the surgeon (Weak Recommendation, Very Low Quality Evidence).
Recommendations
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InterruptingDAPTfornon-cardiacsurgery
Practical tip:
• The risk and consequences of peri-operative bleeding will vary
considerably depending on the type of surgery performed. Some minor
surgical procedures carry a low risk of bleeding, while others a very high
risk of bleeding. For example, some dental, opthalmological and
endoscopic procedures carry a low risk of bleeding and can be performed
without stopping antiplatelet therapy.COPYRIGHT
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Follow-up
• ImprovedLVfunctiononf/uECHO
• Nofurtherangina
• Uncomplicatedbladdersurgery3monthslateron
aspirin
• Continuesmedicalmanagement15monthfollow-upCOPYRIGHT
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74 year old woman with
diabetes, hypertension,
atrial fibrillation had
cardiac arrest and is
now recovered after PCI
of left main COPYRIGHT
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Dual Pathway Triple Therapy
1. Rivaroxaban 15 mg once daily + clopidogrel
75 mg once daily1
1. Rivaroxaban 2.5 mg BID + ASA 81 mg once
daily + clopidogrel 75 mg once daily1
2. Dabigatran 110* or 150 mg BID + clopidogrel
75 mg once daily2
2. Warfarin (INR 2.0-2.5) + ASA 81 mg once
daily + clopidogrel 75 mg once daily4
3. Warfarin + clopidogrel 75 mg once daily3
Dual Pathway and Triple Therapy Regimens
Evaluated in Clinical Trials
1. PIONEER-AF: Gibson CM etal. NEJM2016;375:2423]
2. RE-DUAL PCI: Cannon CP eta.l. NEJM2017; 377:1513-1524
3. WOEST: Dewilde etal.,Lancet 2013;381:1107-15
4. ISARTriple :Fiedler etal.JAmColl Cardiol 2015;65:1619-29
*IntheRE-DUALPCI trial,the110mgBIDdabigatrandosewasassociatedwithatrendtoahigherriskofdeathorthromboticevents(11%versus 8.5%,hazardratio1.30,95%CI0.98-1.73, P=0.07). This riskwasnotobservedwiththe150mgBIDdose (7.9%versus 7.9%,hazardratio0.97,95%CI0.68-1.39, P=0.44). Therefore,in
patientswho arenotathighriskofbleeding,thedabigatran150mgBIDdose,whenused incombinationwithclopidogrel 75mgdaily(ASAomitted),maybe
preferable.
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DifferingOACregimens inpublished randomizedtrialsof
patientswithAFundergoingPCI
Trials Studiedregimens Primaryendpoint Comments
WOEST(n=573)
Lancet 2008
Warfarin(targetINR2.0)+clopidogrel75mgdaily
Versus
Warfarin(targetINR2.0)+clopidogrel75mgdaily+ASA80-100mgdaily
Anybleedingepisodeat12months
Warfarin+clopidogrel:19.4%
Warfarin+clopidogrel+ASA:44.4%
(p<0·0001)
PrevalenceofAF/flutter:69%
Useof PPI:<40%
Stentsused65%DES,35%BMS
ISAR-TRIPLE(n=614)
JACC2015
ASA75-200mgdaily
+clopidogrel75mgdaily
+warfarin(lowestrecommended targetINR)
for6weeksversus6months
Composite ofdeath,MI,definitestentthrombosis,stroke,or
majorbleedingat9months
•6weekstripletherapy:9.8%
•6months tripletherapy:8.8%(p=0.63)
PrevalenceofAF:84%
Useof PPI:37.2%
Stentsused99%DES
INRtherapeuticrange64%
PIONEER-AF(n=2124)
NEJM2016
Rivaroxaban15mgdaily+P2Y12inhibitor(group1)
vs
Rivaroxaban2.5mgtwicedaily+DAPT(group2)
vs
Warfarin(INR 2.0-3.0) +DAPT(group3)
Clinicallysignificantbleedingat12months
Group1:16.8%
Group2:18.0%
Group3:26.7%(p<0.001 versusbothgroups 1and2)
PrevalenceofAF:100%
Clopidogrelused in93%ofpatients
Useof PPI:<40%
Stentsused65%DES,32%BMS
INRtherapeuticrange65%
RE-DUALPCI(n=2725)
NEJM2017
Dabigatran 110mgtwicedaily+P2Y12inhibitor(clopidogrel75mgdaily
orticagrelor 90mgtwicedaily)
vs
Dabigatran 150mgtwicedaily+P2Y12inhibitor(clopidogrel75mgdaily
orticagrelor 90mgtwicedaily)
vs
Warfarin(INR 2.0-3.0) +P2Y12inhibitor(clopidogrel75mgdailyor
ticagrelor 90mgtwicedaily)+aspirin£100mgdaily
Timetofirstmajororclinicallyrelevantnon-majorbleeding
event
15.4%in110mgdualtherapyvs26.9%comparabletriple
therapygroup(P<0.001for noninferiority;P<0.001for
superiority)
20.2%in150mgdualtherapyvs25.7%comparabletriple
therapygroup(P<0.001for noninferiority)
PrevalenceofAF:100%
Clopidogrelused in88%ofpatients
Stentsused83%DES,35%BMS
Useof PPI:unknown
INRtherapeuticrange64%
Randomized Trials of OAC Following PCI
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Whatifpatient’scan’ttakeanticoagulationforAF:
ConsiderationforLAAClosure
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Summary
• Thecardiaccatheterizationlaboratoryof2018providesawidevarietyof
servicesincludingdiagnostictestingforcoronary,valvular,myopathic,
pericardialandpulmonicdisorders
• Therapeuticinterventionsincludecoronaryrevascularization,valve
replacementandrepair,peripheralarterialrepair,mechanicalsupport
devices,anddefectclosure
• CommonconsiderationsforthePCPincludedurationofDAPT,
anticoagulationdecisionsparticularlyaroundprocedures,endocarditis
prophylaxisandsecondarypreventionofCADandCHF
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