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    ACC/AHA 2007 STEMI Guidelines Focused Update

    ACC/AHA 2007 STEMI Guidelines

    Focused Update Slide Set

    Based on the 2007 Focused Update of theACC/AHA Guidelines for the Management of

    Patients With ST-Elevation Myocardial

    Infarction (STEMI): A Report of the ACC/AHA

    Task Force on Practice Guidelines

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    This slide set was adapted from the 2007Focused Update of theACC/AHA Guidelines for

    Management of Patients With ST-ElevationMyocardial Infarction (Journal of the AmericanCollege of Cardiologypublished ahead of printon December 10, 2007, available athttp://content.onlinejacc.org/cgi/content/full/j.jacc.200

    .

    The full-text guidelines are also available on theWeb sites:

    ACC (www.acc.org) and,AHA (www.americanheart.org)

    http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001http://www.acc.org/http://www.americanheart.org/http://www.americanheart.org/http://www.acc.org/http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001
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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Paul W. Armstrong, MD, FACC, FAHA

    Eric R. Bates, MD, FACC, FAHA

    Lee A. Green, MD, MPH

    Lakshmi K. Halasyamani, MD

    Judith S. Hochman, MD, FACC, FAHA

    Harlan M. Krumholz, MD, FACC, FAHA

    Elliott M. Antman, MD, FACC, FAHA,Co-Chair*

    Mary Hand, MSPH, RN, FAHA, Co-Chair

    Gervasio A. Lamas, MD, FACC

    Charles J. Mullany, MB, MS, FACC

    David L. Pearle, MD, FACC, FAHA

    Michael A. Sloan, MD, FACC

    Sidney C. Smith, Jr., MD, FACC, FAHA

    *2004 Writing Committee Chair

    Representing the Canadian Cardiovascular Society

    Slide Set Editor

    Elliott M. Antman, MD, FACC, FAHA

    Special Thanks to

    The 2007 STEMI Guidelines Focused Update Writing Committee Members

    and

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Class IBenefit >>> Risk

    Procedure/ TreatmentSHOULD be performed/administered

    Class IIaBenefit >> Risk

    Additional studies withfocused objectivesneeded

    IT IS REASONABLE toperformprocedure/administertreatment

    Class IIbBenefit Risk

    Additional studies withbroad objectives needed;

    Additional registry datawould be helpful

    Procedure/TreatmentMAY BE CONSIDERED

    Class IIIRisk BenefitNo additional studiesneeded

    Procedure/Treatment

    should NOT beperformed/administeredSINCE IT IS NOTHELPFUL AND MAY BEHARMFUL

    shouldis recommendedis indicatedis useful/effective/ beneficial

    is reasonablecan be useful/effective/

    beneficialis probably recommended or

    indicated

    may/might be consideredmay/might be reasonableusefulness/effectiveness is

    unknown /unclear/uncertain ornot well established

    is not recommendedis not indicatedshould notis not

    useful/effective/beneficialmay be harmful

    Applying Classification of Recommendations

    and Level of Evidence

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Class IBenefit >>> Risk

    Procedure/ TreatmentSHOULD beperformed/administered

    Class IIaBenefit >> Risk

    Additional studies withfocused objectivesneeded

    IT IS REASONABLE toperformprocedure/administertreatment

    Class IIbBenefit Risk

    Additional studies withbroad objectives needed;

    Additional registry datawould be helpful

    Procedure/TreatmentMAY BE CONSIDERED

    Class IIIRisk BenefitNo additional studiesneeded

    Procedure/Treatment

    should NOT beperformed/administeredSINCE IT IS NOTHELPFUL AND MAY BEHARMFUL

    Applying Classification of Recommendations

    and Level of Evidence

    Level A: Recommendation based on evidence from multiple randomized trials or meta-analyses Multiple(3-5) population risk strata evaluated; General consistency of direction and magnitude of effect

    Level B: Recommendation based on evidence from a single randomized trial or non-randomized studiesLimited (2-3) population risk strata evaluated

    Level C: Recommendation based on expert opinion, case studies, or standard-of-care Verylimited (1-2) population risk strata evaluated

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    1990 1992 1994 1996 1998 2000 20021990

    ACC/AHAAMI

    R. Gunnar

    1994AHCPR/NHLB

    IUA

    E. Braunwald

    1996

    1999 RevUpd

    ACC/AHA AMIT. Ryan

    20042007 RevUpd

    ACC/AHASTEMI

    2000 20022007

    Rev UpdRev

    ACC/AHA U

    A/NSTEMIE. Braunwald J. Anderson

    2004 2007

    Evolution of Guidelines for ACS

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Hospitalizations in the U.S. Due to Acute

    Coronary Syndromes (ACS)

    Acute CoronarySyndromes*

    1.57 Million Hospital Admissions - ACS

    UA/NSTEMI STEMI

    1.24 millionAdmissions per year

    .33 millionAdmissions per year

    Heart Disease and Stroke Statistics 2007 Update. Circulation 2007;115:69-171. *Primary and secondary diagnoses. About 0.57 million

    NSTEMI and 0.67 million UA.

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Analgesia

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Analgesia

    Morphine remains Class I for STEMIalthough may increase adverse eventsin UA/NSTEMI

    NSAID medications increase mortality,reinfarction, and heart failure inproportion to degree of COX-2

    selectivity Discontinue on admission for STEMI

    Do not initiate during acute phase ofmanagement

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Patients routinely taking nonsteroidal anti-

    inflammatory drugs (NSAIDs) (except for

    aspirin), both non-selective as well as COX-2

    selective agents, prior to STEMI should havethose agents discontinued at the time of

    presentation with STEMI because of the

    increased risks of mortality, reinfarction,

    hypertension, heart failure, and myocardial

    rupture associated with their use.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    Analgesia

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    NSAIDs (except for aspirin), both

    nonselective as well as COX-2 selective

    agents, should not be

    administered during hospitalization forSTEMI

    because of the increased risks of mortality,

    reinfarction, hypertension, heart failure,

    and

    myocardial rupture associated with their

    use.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    Analgesia

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Beta-Blockers

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    TREATMENT: Metoprolol 15 mg iv over 15 mins, then 200mg oral daily vs matching placebo

    INCLUSION: Suspected acute MI (ST change or LBBB)within 24 h of symptom onset

    EXCLUSION: Shock, systolic BP

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Effects of Metoprolol

    Lancet. 2005;366:1622.

    Death

    13%

    P=0.0006

    ReMI

    22%

    P=0.0002

    VF15%

    P=0.002

    Totality of Evidence (N = 52,411)COMMIT (N = 45,852)

    Increased

    early risk of

    shock

    Risk factors for cardiogenic shock :heart failure, age > 70 , systolic blood

    pressure < 120, sinus tachycardia > 110 or heart rate < 60, increased timesince onset of STEMI symptoms

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Oral beta-blocker therapy should be initiated in thefirst 24 hours for patients who do not have any ofthe following: 1) signs of heart failure, 2) evidenceof a low output state, 3) increased risk* forcardiogenic shock, or 4) other relative

    contraindications to beta blockade (PR interval >0.24 sec, 2nd - or 3rd-degree heart block, activeasthma, or reactive airway disease).

    It is reasonable to administer an IV beta blocker at

    the time of presentation to STEMI patients who arehypertensive and who do not have any of thefollowing: 1) signs of heart failure, 2) evidence of alow output state, 3) increased risk* for cardiogenicshock, or 4) other relative contraindications to betablockade (PR interval > 0.24 sec, 2nd - or 3rd-degree

    heart block, active asthma, or reactive airway

    Beta-Blockers

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    IV beta blockers should not beadministered to STEMI patients who haveany of the following: 1) signs of heartfailure, 2) evidence of a low output state,

    3) increased risk* for cardiogenic shock,or 4) other relative contraindications tobeta blockade (PR interval > 0.24 sec,2nd - or 3rd-degree heart block, active

    asthma, or reactive airway disease).

    Beta-Blockers

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Primary PCI

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Primary PCI

    STEMI patients presenting to a hospitalwith PCI capability should be treated withprimary PCI within 90 min of first medicalcontact as a systems goal.

    STEMI patients presenting to a hospitalwithout PCI capability, and who cannot be

    transferred to a PCI center and undergoPCI within 90 min of first medical contact,should be treated with fibrinolytic therapywithin 30 min of hospital presentation as asystems goal, unless fibrinolytic therapy is

    contraindicated.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Options for Transport of Patients With

    STEMI and Initial Reperfusion Treatment

    EMS Transport

    Onset of

    symptoms ofSTEMI

    9-1-1

    EMSDispatch

    EMS on-scene

    Encourage 12-lead ECGs. Consider prehospital fibrinolytic if

    capable and EMS-to-needle within

    30 min.

    GOALS

    PCI

    capable

    Not PCI

    capable

    Hospital fibrinolysis:Door-to-Needle

    within 30 min.

    EMS

    TriagePlan

    Inter-

    HospitalTransfer

    Golden Hour = first 60 min. Total ischemic time: within 120 min.

    Patient EMS Prehospital fibrinolysis

    EMS-to-needlewithin 30 min.

    EMS transport

    EMS-to-balloon within 90 min.Patient self-transport

    Hospital door-to-balloon

    within 90 min.Dispatch

    1 min.

    5

    min.8

    min.

    Antman EM, et al. J Am Coll Cardiol 2008. Published ahead of print on December 10, 2007. Available at

    http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001. Figure 1.

    http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001
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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Facilitated PCI

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Meta-analysis: Facilitated PCI vs

    Primary PCI

    1.03

    (0.15-7.13)

    3.07

    (0.18-52.0)

    1.43

    (1.01-2.02)

    1.03(0.49-2.17)

    Mortality Reinfarction Major Bleeding

    Fac. PCI

    Better

    PPCI

    Better

    Fac. PCI

    Better

    PPCI

    Better

    Fac. PCI

    Better

    PPCI

    Better

    Keeley E, et al. Lancet2006;367:579.

    0.1 1 10 0.1 1 10 0.1 1 10

    1.38(1.01-1.87)

    1.71(1.16 - 2.51)

    1.51(1.10 - 2.08 )

    Lytic alone

    N=2953

    IIb/IIIa alone

    N=1148

    Lytic +IIb/IIIaN=399

    All(N=4500)

    1.40

    (0.49-3.98)

    1.81

    (1.19-2.77)

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    A planned reperfusion strategy using full-dosefibrinolytic therapy followed by immediate PCIis not recommended and may be harmful.

    Facilitated PCI using regimens other than full-dose fibrinolytic therapy might be consideredas a reperfusion strategy when all of thefollowing are present:

    a. Patients are at high risk,b. PCI is not immediately available within 90minutes, andc. Bleeding risk is low (younger age, absence ofpoorly controlled hypertension, normal body

    weight).

    Facilitated PCI

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Facilitated PCI

    Further Studies Ongoing

    Prehospital fibrinolytic therapy Better anticoagulant and antiplatelettherapy Use in circumstances of longer delays toPCI

    However, based on available data, facilitated PCIoffered no clinical benefit, and was associated withharm when full dose fibrinolytics were used.

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Rescue and Late PCI

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Wijeysundera HC, et al. J Am Coll Cardiol. 2007;49:422-430.

    Meta-analysis: Rescue PCI vs Conservative Tx

    Outcome Rescue PCI ConservativeTreatment

    RR (95% CI) P

    Mortality, %(n)

    7.3(454)

    10.4(457)

    0.69(0.461.05)

    .09

    HF, %(n)

    12.7(424)

    17.8(427)

    0.73(0.541.00)

    .05

    Reinfarction,

    % (n)

    6.1

    (346)

    10.7

    (354)

    0.58

    (0.350.97)

    .04

    Stroke, % (n) 3.4(297)

    0.7(295)

    4.98(1.1022.48)

    .04

    Minor bleeding,% (n)

    16.6(313)

    3.6(307)

    4.58(2.468.55)

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    A strategy of coronary angiography withintent toperform PCI (or emergency CABG) isrecommended in patients who have receivedfibrinolytic therapy and have:

    a. Cardiogenic shock in patients < 75 yearswho are suitable candidates for

    revascularization

    b. Severe congestive heart failure and/orpulmonary edema (Killip class III)

    c. Hemodynamically compromising

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    Rescue PCI

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Rescue PCI

    A strategy of coronary angiography with

    intent to

    perform PCI (or emergency CABG) is

    reasonable in patients 75 years whohave

    received fibrinolytic therapy, and are in

    cardiogenic shock, provided they are

    suitablecandidates for revascularization.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Rescue PCI

    A strategy of coronary angiography with

    intent to perform rescue PCI is reasonable for

    patients in whom fibrinolytic therapy has

    failed (ST-segment elevation < 50% resolved

    after 90 min following initiation of fibrinolytictherapy in the lead showing the worst initial

    elevation) and a moderate or large area of

    myocardium at risk [anterior MI, inferior MI

    with right ventricular involvement orprecordial ST-segment depression].

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Rescue PCI

    A strategy of coronary angiography with

    intent to perform PCI in the absence of

    any of the above Class I or IIa indications

    might be reasonable in moderate- or

    high-risk patients, but its benefits and

    risks are not well established. The

    benefits of rescue PCI are greater the

    earlier it is initiated after the onset of

    ischemic discomfort.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Rescue PCI

    A strategy of coronary angiography with

    intent to perform PCI (or emergency

    CABG) is not recommended in patients

    who have received fibrinolytic therapy if

    further invasive management is

    contraindicated or the patient or

    designee do not wish further invasive

    care.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Occluded Artery Trial (OAT)

    Eligibility: Confirmed Index MI

    Total IRA occlusion

    3-28 days (>24 hours)

    Exclusion criteria: Significant left main or 3 vessel

    CAD

    Hemodynamic or electrical

    instability Rest or low-threshold angina

    NYHA Class III-IV HF or shock

    RESULTS2166 randomized1082 PCI + optimal medical therapy1084 Optimal medical therapy

    (MED)

    Death, MI, CHF Class IV4 year event rate:17.2% PCI vs 15.6% MEDHazard Ratio: PCI vs MED=1.16;95% Cl (0.92, 1.45); p=0.20

    Fatal and Non fatal MI4 year event rate:7.0% PCI vs 5.3% MEDHazard Ratio: PCI vs MED=1.36;95% Cl (0.92, 2.00); p=0.13

    Hochman JS, et al.Am Heart J2005;150:627-42;

    Hochman JS, et al. N Engl J Med2006;355:2395-407.

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    PCI of a hemodynamically significantstenosis in a patent infarct artery > 24hours after STEMI may be considered as

    part of a invasive strategy.

    PCI of a totally occluded infarct artery >24 hours after STEMI is not recommended

    in asymptomatic patients with 1- or 2-vessel disease if they arehemodynamically and electrically stableand do not have evidence of severe

    ischemia.

    Late PCI after Fibrinolysis or for Patients Not

    Undergoing Primary Reperfusion

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Anticoagulants

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Anticoagulants

    Patients undergoing reperfusion withfibrinolytics should receive anticoagulanttherapy for a minimum of 48 hours (Level ofEvidence: C) and preferably for the duration ofthe index hospitalization, up to 8 days(regimens other than unfractionated heparin[UFH] are recommended if anticoagulanttherapy is given for more than 48 hoursbecause of the risk of heparin-induced

    thrombocytopenia with prolonged UFHtreatment). (Level of Evidence: A)

    Anticoagulant regimens with establishedefficacy include:

    UFH (LOE: C)

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Anticoagulants

    For patients undergoing PCI after havingreceived an anticoagulant regimen, the

    followingdosing recommendations should be

    followed:

    a. For prior treatment with UFH: administeradditional boluses of UFH as needed to

    support the procedure taking intoaccount whether GP IIb/IIIa receptorantagonists have been administered.(Level of Evidence: C) Bivalirudin mayalso be used in patients treated

    previously with UFH. (Level of Evidence:

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    Recommendation continues on the next slide.

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Anticoagulants

    b. For prior treatment with enoxaparin: ifthe last SC dose was administered withinthe prior 8 hours, no additionalenoxaparin should be given; if the last

    SC dose was administered at least 8 to12 hours earlier, an IV dose of 0.3 mg/kgof enoxaparin should be given.

    c. For prior treatment with fondaparinux:administer additional intravenoustreatment with an anticoagulantpossessing anti-IIa activity taking intoaccount whether GP IIb/IIIa receptor

    antagonists have been administered.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    ACC/AHA 2007 STEMI Guidelines Focused Update

    Anticoagulants

    Because of the risk of catheter thrombosis,fondaparinux should not be used as thesoleanticoagulant to support PCI. An additional

    anticoagulant with anti-IIa activity shouldbeadministered.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    Unfractionated Heparin

    Indirect thrombininhibitor so does notinhibit clot-boundthrombin

    Nonspecific binding to: Serine proteases Endothelial cells

    (can lead to variabilityin level ofanticoagulation)

    Reduced effect in ACS Inhibited by PF-4

    Causes plateletaggregation

    Nonlinear

    pharmacokinetics

    Disadvantages Immediate

    anticoagulation

    Multiple sites of actionin coagulation cascade

    Long history ofsuccessful clinical use

    Readily monitored byaPTT and ACT

    Advantages

    Hirsh J, et al. Circulation. 2001;103:2994-3018. aPTT = activated partial thromboplastin time; ACT = activated coagulation time; PF-4 =

    platelet factor 4; HIT = heparin-induced thrombocytopenia.

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    ExTRACT-TIMI 25: Primary End Point (ITT)

    Death or Nonfatal MI

    0

    3

    6

    9

    12

    15

    0 5 10 15 20 25 30

    Prima

    ryEn

    dPo

    int

    (%) Enoxaparin

    UFH

    Relative Risk0.83 (95% CI, 0.77 to

    0.90)

    P

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    Low-Molecular-Weight Heparin

    Indirect thrombin inhibitor

    Less reversible

    Difficult to monitor(no aPTT or ACT)

    Renally cleared

    Long half-life Risk of HIT

    Disadvantages Increased anti-Xa to anti-IIa

    activity inhibits thrombingeneration more effectively

    Induces release of TFPI vsUFH

    Not neutralized by platelet

    factor 4 Less binding to plasma

    proteins (eg, acute-phasereactant proteins) moreconsistent anticoagulation

    Lower rate of HIT vs UFH

    Lower fibrinogen levels Easy to administer (SC

    administration)

    Long history of clinicalstudies and experience, FDA-approved indications

    Monitoring typicallyunnecessary

    Advantages

    Hirsh J, et al. Circulation. 2001;103:2994-3018. TFPI = tissue factor pathway inhibitor; UFH = unfractionated heparin;

    SC = subcutaneous; aPTT = activated partial thromboplastin time;

    ACT = activated coagulation time.

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    OASIS-6 Trial: Results

    15%

    Primary End Point:

    Death/Reinfarction (%)

    P=.008 P=.003 P=.008

    Frequenc y

    12%

    9%

    6%

    3%

    0%

    9.7%

    11.2%

    7.4%

    8.9%

    13.4%

    14.8%

    30 days 9 days 3-6 months

    Fondaparinux (n=6036) Control (n=6056)

    14%

    Reduction in Death/MI at 30 days:

    Stratum 1 (No UFH indicated)

    P

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    Fondaparinux

    Difficult to monitor (noaPTT or ACT)

    Long half-life

    Catheter thrombosisduring PCI

    DisadvantagesAdvantages

    SC administration Potential exists for

    outpatientmanagement

    Once-daily

    administration Predictable

    anticoagulant response Fixed dose No antigenicity Potentially no need for

    serologic parameters Does not cross the

    placenta HIT antibodies do not

    cross-react Decreased bleeding

    complications vs UFH orSimoons ML, et al. J Am Coll Cardiol. 2004;43:2183-2190.

    Yusuf S, et al. N Engl J Med. 2066;354:1464-1476.

    Summary of Observations from Trials of Anticoagulants for STEMI

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    Anticoagulant

    Efficacy (through 30 d) Safety Use During PCI

    Reviparin Fibrinolysis: probably superior

    to placebo.*

    No reperfusion: probably superior toplacebo.*

    risk of seriousbleeds

    No data on reviparin aloneduring PCI. Additional

    anticoagulant with anti-IIaactivity, such as UFH orbivalirudin, recommended.

    Fondaparinux Fibrinolysis: appears superior to controlrx (placebo/UFH). Relative benefit vsplacebo and UFH separately cannot bereliably determined from availabledata.*

    Primary PCI: when used alone, noadvantage over UFH and trend towardworse outcome.

    No reperfusion: appears superior tocontrol therapy (placebo/UFH). Relativebenefit versus placebo and UFHseparately cannot be reliablydetermined from available data.*

    Trend toward riskof serious bleeds

    risk of catheter thrombosiswhen fondaparinux used alone.Additional anticoagulant withanti-IIa activity, such as UFH orbivalirudin, recommended.

    Enoxaparin Fibrinolysis: appears superior to UFH risk of seriousbleeds

    Enoxaparin can be used tosupport PCI after fibrinolysis.No additional anticoagulantneeded.

    Summary of Observations from Trials of Anticoagulants for STEMI

    Antman EM, et al. J Am Coll Cardiol 2008. Published ahead of print on December 10, 2007. Available at

    http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001.Table 10.

    http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001http://content.onlinejacc.org/cgi/content/full/j.jacc.2007.10.001
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    Thienopyridines

    CLARITY TIMI 28 Primary Endpoint:

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    CLARITY-TIMI 28 Primary Endpoint:Occluded Artery (or D/MI thru Angio/HD)

    PlaceboClopidogrelLD 300 mgMD 75 mg

    P=0.00000036P=0.00000036

    Odds Ratio 0.64

    (95% CI 0.53-0.76)

    Odds Ratio 0.64

    (95% CI 0.53-0.76)

    Clopidogrelbetter

    Placebobetter

    n=1752 n=1739

    Sabatine N Eng J Med2005;352:1179.

    STEMI, Age 18-75

    15.0

    21.7

    0

    5

    10

    15

    20

    25

    Occ

    lud

    edArte

    ryorDeath/M

    I(%)

    1.00.4 0.6 0.8 1.2 1.6

    36%Odds

    Reduction

    36%Odds

    Reduction

    COMMIT: Effect of CLOPIDOGREL on

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    Dead

    (%)

    Days Since Randomization (up to 28 days)

    Placebo + ASA:

    1,846 deaths (8.1%)Clopidogrel + ASA:

    1,728 deaths (7.5%)

    0.6% ARD

    7% RRR

    P= 0.03

    N = 45,852

    No Age limit ; 26% > 70 y

    Lytic Rx 50%

    No LD given

    COMMIT: Effect of CLOPIDOGREL on

    Death In Hospital

    Chen ZM, et al. Lancet. 2005;366:1607.

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    Clopidogrel 75 mg per day orally should be

    added to aspirin in patients with STEMI

    regardless of whether they undergo

    reperfusion with fibrinolytic therapy or do

    not receive reperfusion therapy.

    Treatment with clopidogrel should continue

    for at least 14 days.

    Thienopyridines

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    In patients < 75 years who receivefibrinolytic therapy or who do not receivereperfusion therapy, it is reasonable toadminister an oral clopidogrel loading doseof 300 mg. (No data are available to guidedecision making regarding an oral loadingdose in patients 75 years of age.)

    Long-term maintenance therapy (e.g., 1

    year) with clopidogrel (75 mg per dayorally) can be useful in STEMI patientsregardless of whether they undergoreperfusion with fibrinolytic therapy or do

    not receive reperfusion therapy.

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    Thienopyridines

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    Hospital Care

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    It is reasonable for patients with STEMI who

    do not undergo reperfusion therapy to be

    treated with anticoagulant therapy (non-

    UFH regimen) for the duration of the index

    hospitalization, up to 8 days.

    Convenient strategies that can be used

    include those with LMWH (Level of

    Evidence: C) or fondaparinux (Level of

    Evidence: B) using the same dosing

    regimens as for patients who receive

    fibrinolytic therapy.

    Anticoagulants

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    Coronary arteriography may be consideredas part of an invasive strategy for riskassessment after fibrinolytic therapy (Levelof Evidence: B) or for patients not

    undergoing primary reperfusion. (Level ofEvidence: C)

    Invasive Evaluation

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

    III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII

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    52ACC/AHA 2007 STEMI Guidelines Focused Update

    Secondary Prevention and

    Long-Term Management

    S d P ti

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    Secondary Prevention

    Ask, advise, assess, and assist patients tostop smoking I (B)

    Clopidogrel 75 mg daily: PCI I (B)

    no PCI IIa (C) Statin goal:

    LDL-C < 100 mg/dL I (A) consider LDL-C < 70 mg/dL IIa (A)

    Daily physical activity 30 min 7 d/wk,minimum 5 d/wk I (B) Annual influenza immunization I (B)

    Secondary Prevention and Long Term Management

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    Secondary Prevention and Long Term Management

    Status of tobacco use should be asked at

    every visit.Every tobacco user and family memberwho smoke should be advised to quit atevery visit.

    The tobacco users willingness to quit

    should be assessed.The tobacco user should be assisted bycounseling and developing a plan forquitting.

    Follow-up, referral to special programs,or pharmacotherapy (including nicotinereplacement and pharmacological rx)should be arranged.

    Exposure to environmental tobacco

    smoke at home and work should beavoided.

    Smoking

    2007Goal:Complete

    cessation.

    No exposure toenvironmental

    tobacco smoke.

    Goals Class I Recommendations

    NEW

    NEW

    Secondary Prevention and Long Term Management

    http://www.hellasfm.us/uploads/quit-smoking.jpg
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    If blood pressure is 140/90 mm Hg or 130/80 mm Hg for patients withchronic kidney disease or diabetes:

    It is recommended to initiate or maintain

    lifestyle modification (weight control, physical activity, alcohol moderation, sodium, and emphasis on consumption of freshfruits, vegetables, and low-fat dairyproducts).

    It is useful as tolerated, to add bloodpressure medication, treating initially withbeta-blockers and/or ACE inhibitors, with theaddition of other drugs such as thiazides as

    needed to achieve goal BP.

    Bloodpressure

    control:2007Goal:

    < 140/90 mm

    Hg or

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    Starting dietary therapy in all patients is

    recommended. intake of sat. fats (< 7% oftotal calories), trans fatty acids and cholesterol(< 200 mg/d).

    Adding plant stanol/sterols (2 g/d) and/or

    viscous fiber (> 10 g/d) is reasonable to furtherlower LDL-C. (Class IIa; LOE:A)

    Promotion of daily physical activity and weightmanagement is recommended.

    It may be reasonable to encourage consumption of omega-3 fatty acids in the formof fish or in capsule form (1 g/d) for riskreduction. For treatment of elevated TG, higherdoses are usually necessary for risk reduction.

    (Class IIb; LOE: B)

    Lipidmanagement:2007 goal:LDL-C

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    A fasting lipid profile should be assessed in all

    patients and within 24 hours of hospitalization forthose with an acute cardiovascular or coronaryevent. For hospitalized patients, initiation of lipid-lowering medication is indicated as recommendedbelow before discharge according to the followingschedule:

    LDL-C should be < 100 mg/dL. Further reduction to < 70 mg /dL is reasonable.

    (Class IIa; LOE: A) If baseline LDL-C is 100 mg/dL, LDL-lowering

    drug rx should be initiated. If on-treatment LDL-C is 100 mg/dLintensify LDL-lowering drug rx (may require LDL-lowering combination is recommended.

    If baseline LDL-C is 70 to 100 mg/dL, it isreasonable to treat to LDL-C < 70 mg/dL. (Class

    IIa; LOE: B)

    Lipidmanagement:2007 goal:LDL-C

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    If TG are 150 mg per dL or HDL-C < 40 mg per dL,

    weight management, physical activity, and smoking cessationshould be emphasized.

    If TGs are 200 to 499 mg per dL, nonHDL-C target should beless than 130 mg per dL.

    If TGs are 200 to 499 mg/dL, nonHDL-C target is < 130

    mg/dL. (Class I; LOE: B); further reduction of nonHDL-C to