Unstable angina NSTEMI Antiplatelet therapy recommendations: Difference between revisions

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(/* 2011 ACCF/AHA Focused Update Incorporated Into the ACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non -ST-Elevation Myocardial Infarction: Antiplatelet therapy{{cite journal| author=2012 Writing Committee Members. ...)
(/* 2011 ACCF/AHA Focused Update Incorporated Into the ACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non -ST-Elevation Myocardial Infarction: Antiplatelet therapy{{cite journal| author=2012 Writing Committee Members. ...)
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| bgcolor="LightGreen"|<nowiki>"</nowiki>'''3.''' Patients with definite UA/NSTEMI at medium or high risk and in whom an initial invasive strategy is selected should receive dual antiplatelet therapy on presentation. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) Aspirin should be initiated on presentation. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) The choice of a second antiplatelet therapy to be added to aspirin on presentation includes 1 of the following:
| bgcolor="LightGreen"|<nowiki>"</nowiki>'''3.''' Patients with definite UA/NSTEMI at medium or high risk and in whom an initial invasive strategy is selected should receive dual antiplatelet therapy on presentation. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) Aspirin should be initiated on presentation. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) The choice of a second antiplatelet therapy to be added to aspirin on presentation includes 1 of the following:
a.Before PCI:
:a) Before PCI:
* Clopidogrel ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: B]]); or
** Clopidogrel ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: B]]); or
* An IV GP IIb/IIIa inhibitor. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) IV eptifibatide and tirofiban are the preferred GP IIb/IIIa inhibitors.
** An IV GP IIb/IIIa inhibitor. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]) IV eptifibatide and tirofiban are the preferred GP IIb/IIIa inhibitors.


b.At the time of PCI:
:b) At the time of PCI:
* Clopidogrel if not started before PCI ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]); or
** Clopidogrel if not started before PCI ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]]); or
* Prasugrel ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: B]]); or
** Prasugrel ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: B]]); or
* Ticagrelor ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: B]]); or
** An IV GP IIb/IIIa inhibitor. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]])'' <nowiki>"</nowiki>
* An IV GP IIb/IIIa inhibitor. ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence: A]])'' <nowiki>"</nowiki>


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Revision as of 20:36, 30 October 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

2011 ACCF/AHA Focused Update Incorporated Into the ACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non -ST-Elevation Myocardial Infarction: Antiplatelet therapy[1] (DO NOT EDIT)

Class I
"1. ASA should be administered to UA/NSTEMI patients as soon as possible after hospital presentation and continued indefinitely in patients who tolerate it. (Level of Evidence: A) "
"2. Clopidogrel (loading dose followed by daily maintenance dose) should be administered to UA/NSTEMI patients who are unable to take ASA because of hypersensitivity or major gastrointestinal intolerance. (Level of Evidence: B) "
"3. Patients with definite UA/NSTEMI at medium or high risk and in whom an initial invasive strategy is selected should receive dual antiplatelet therapy on presentation. (Level of Evidence: A) Aspirin should be initiated on presentation. (Level of Evidence: A) The choice of a second antiplatelet therapy to be added to aspirin on presentation includes 1 of the following:
a) Before PCI:
b) At the time of PCI:
"4.For UA/NSTEMI patients in whom an initial conservative (ie, noninvasive) strategy is selected, clopidogrel or ticagrelor (loading dose followed by daily maintenance dose) should be added to aspirin and anticoagulant therapy as soon as possible after admission and administered for up to 12 months. (Level of Evidence: B) "
"5. For UA/NSTEMI patients in whom an initial conservative strategy is selected, if recurrent symptoms/ischemia, heart failure, or serious arrhythmias subsequently appear, then diagnostic angiography should be performed. (Level of Evidence: A) Either an IV GP IIb/IIIa inhibitor (eptifibatide or tirofiban {Level of Evidence: A}), clopidogrel (loading dose followed by daily maintenance dose {Level of Evidence: B}), or ticagrelor (loading dose followed by daily maintenance dose {Level of Evidence: B}) should be added to aspirin and anticoagulant therapy before diagnostic angiography (upstream). (Level of Evidence: C) "
"6. A loading dose of P2Y12 receptor inhibitor therapy is recommended for UA/NSTEMI patients for whom PCI is planned. One of the following regimens should be used:

a. Clopidogrel 600 mg should be given as early as possible before or at the time of PCI (Level of Evidence: B) or b. Prasugrel 60 mg should be given promptly and no later than 1 hour after PCI once coronary anatomy is defined and a decision is made to proceed with PCI (Level of Evidence: B) or c. Ticagrelor 180 mg should be given as early as possible before or at the time of PCI. (Level of Evidence: B) "

"7. The duration and maintenance dose of P2Y12 receptor inhibitor therapy should be as follows:

a. In UA/NSTEMI patients undergoing PCI, either clopidogrel 75 mg daily, prasugrel 10 mg daily, or ticagrelor 90 mg twice daily should be given for at least 12 months. (Level of Evidence: B) b. If the risk of morbidity because of bleeding outweighs the anticipated benefits afforded by P2Y12 receptor inhibitor therapy, earlier discontinuation should be considered. (Level of Evidence: C) "

Class III: No Benefit
"1. Abciximab should not be administered to patients in whom PCI is not planned. (Level of Evidence: A) "
"2. In UA/NSTEMI patients who are at low risk for ischemic events (eg, TIMI risk score .2) or at high risk of bleeding and who are already receiving aspirin and a P2Y12 receptor inhibitor, upstream GP IIb/IIIa inhibitors are not recommended. (Level of Evidence: B) "
Class III: Harm
"1. In UA/NSTEMI patients with a prior history of stroke and/or TIA for whom PCI is planned, prasugrel is potentially harmful as part of a dual antiplatelet therapy regimen. (Level of Evidence: B) "
Class IIa
"1. For UA/NSTEMI patients in whom an initial conservative strategy is selected and who have recurrent ischemic discomfort with aspirin, a P2Y12 receptor inhibitor (clopidogrel or ticagrelor), and anticoagulant therapy, it is reasonable to add a GP IIb/IIIa inhibitor before diagnostic angiography. (Level of Evidence: C) "
"2. For UA/NSTEMI patients in whom an initial invasive strategy is selected, it is reasonable to omit administration of an IV GP IIb/IIIa inhibitor if bivalirudin is selected as the anticoagulant and at least 300 mg of clopidogrel was administered at least 6 hours earlier than planned catheterization or PCI. (Level of Evidence: B) "
Class IIb
"1. For UA/NSTEMI patients in whom an initial conservative (ie, noninvasive) strategy is selected, it may be reasonable to add eptifibatide or tirofiban to anticoagulant and oral antiplatelet therapy. (Level of Evidence: B) "
"2. Prasugrel 60 mg may be considered for administration promptly upon presentation in patients with UA/NSTEMI for whom PCI is planned, before definition of coronary anatomy if both the risk for bleeding is low and the need for CABG is considered unlikely. (Level of Evidence: C) "
"3. The use of upstream GP IIb/IIIa inhibitors may be considered in high-risk UA/NSTEMI patients already receiving aspirin and a P2Y12 receptor inhibitor (clopidogrel or ticagrelor) who are selected for an invasive strategy, such as those with elevated troponin levels, diabetes, or significant ST-segment depression, and who are not otherwise at high risk for bleeding. (Level of Evidence: B) "
"4. In patients with definite UA/NSTEMI undergoing PCI as part of an early invasive strategy, the use of a loading dose of clopidogrel of 600 mg, followed by a higher maintenance dose of 150 mg daily for 6 days, then 75 mg daily may be reasonable in patients not considered at high risk for bleeding. (Level of Evidence: B) "

References

  1. 2012 Writing Committee Members. Jneid H, Anderson JL, Wright RS, Adams CD, Bridges CR; et al. (2012). "2012 ACCF/AHA Focused Update of the Guideline for the Management of Patients With Unstable Angina/Non-ST-Elevation Myocardial Infarction (Updating the 2007 Guideline and Replacing the 2011 Focused Update): A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines". Circulation. 126 (7): 875–910. doi:10.1161/CIR.0b013e318256f1e0. PMID 22800849.

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