Antiplatelet Medication Response Testing: Aspirin and Clopidogrel (by LabCE)

1 P.A.C.E. contact hour(s)

(based on 283 customer ratings)

Leah Coppolino, MPH, MLS(ASCP), CLS(NCA)
Reviewers: Shawn Luby, CLS(NCA) MT(ASCP); Michael P. Ero, MLS(ASCP), CLS(CA), MBA

Course provided by LabCE.

The evaluation of patient response to antiplatelet medications is important because of bleeding risks posed by use of these medications and the risk for future cardiac events, if testing indicates a lack of response to the medication. The mechanism of action and the limitations for two commonly used antiplatelet medications, aspirin and clopidogrel, are discussed in this course. Some of the more widely used procedures for assessing platelet function will also be covered.

See more courses in: Hematology

Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 1 hour(s)
Course number 578-040-16, approved through 4/30/2018
Course number 20-547563, approved through 9/1/2018

Objectives

  • Correlate aspirin and clopidogrel response to the risk for cardiac ischemic events.
  • Describe current dosing regimens of aspirin and clopidogrel as antiplatelet medications.
  • List specimen collection and handling requirements for antiplatelet medication testing.
  • Compare and contrast assays and instruments that are available for platelet function analysis.
  • Discuss alternative treatment for aspirin or clopidogrel-resistant patients.

Customer Ratings

(based on 283 customer ratings)

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Course Outline

  • Course Introduction
      • Introduction
  • Aspirin Therapy and Introduction to Aspirin Resistance
      • Platelets and Aspirin
      • Aspirin Dosing
      • Aspirin Resistance
      • Algorithmic Approach For a Patient With Suspected Aspirin Resistance
      • Factors that May Limit the Effectiveness of Aspirin
  • Clopidogrel Therapy and Clopidogrel Resistance
      • Platelets and Clopidogrel
      • Clopidogrel Dosing
      • Clopidogrel Resistance
  • Antiplatelet Medication Response Testing: Specimen Collection and Handling Requirements
      • Specimen Collection for Platelet Function Testing
      • Specimen Processing for Platelet-Rich Plasma
  • Aspirin and Clopidogrel Response Testing
      • Monitoring Response to Aspirin and Clopidogrel Therapy
    • Optical Light Transmission
      • Aspirin Response Analysis: Optical Light Transmission Aggregometry
      • Clopidogrel Response Analysis: Optical Light Transmittance Aggregometry
    • Whole Blood Impedance Aggregometry
      • Aspirin Response Analysis: Whole Blood Impedance Aggregometry
      • Clopidogrel Response Analysis: Whole Blood Impedance Aggregometry
    • Helena Laboratories PlateletWorks Kit
      • Aspirin Response Analysis: Helena Laboratories PlateletWorks Kit
      • Clopidogrel Response Analysis: Helena Laboratories PlateletWorks Kit
    • Cartridge-Based Platelet Aggregation
      • Aspirin Response Analysis: Cartridge-Based Platelet Aggregation
      • Clopidogrel Response Analysis: P2Y12 Analysis
    • Other Aspirin Response Tests
      • Aspirin Response Analysis: Shear Flow Technology
      • Aspirin Response Analysis: Urinary 11-Dehydrothromboxane B2 for Aspirin Resistance
      • Aspirin Response Analysis: AspirinWorks Analysis
    • Other Clopidogrel Response Tests
      • Additional Clopidogrel Response Tests
      • Clopidogrel Response Analysis: Thromboelastography
      • CYP2C19 Genotyping for Clopidogrel
  • Treatment for Antiplatelet Medication Resistant Patients
      • Treatment Alternatives When Aspirin or Clopidogrel Non-responsiveness is Detected
  • References
      • References

Additional Information

Level of instruction: Intermediate

Intended Audience: Medical laboratory scientists, medical technologists, and technicians. This course is also appropriate for medical laboratory science students and pathology residents.
 
Author information: Leah Coppolino, MPH, CLS(NCA), MT(ASCP) is the Director of the Clinical Laboratory Science Program at St. Christopher’s Hospital for Children in Philadelphia, Pennsylvania. She holds a Masters in Public Health from Thomas Jefferson University.
 
Reviewer information: Shawn Luby, CLS(NCA), MT(ASCP) received his Clinical Laboratory Science degree in December 2006 from the University of North Carolina. He currently works at UNC hospital's McClendon Laboratory as a generalist, with focus in general hematology, coagulation studies, and hematology/oncology.
 
Reviewer information: Michael P. Ero, MLS(ASCP), CLS(CA), MBA is the Founder and President of Machaon Diagnostics, a clinical reference laboratory specializing in bleeding and clotting disorders. Michael has over three dozen publications in the field of thrombosis and hemostasis and has presented his work at national and international scientific meetings. He has been primary investigator on over 130 clinical trials and studies with physical, molecular, immunologic or hemostatic endpoints. He is currently an adjunct instructor at the School of Medical Technology at Michigan State University. He was previously the vice president of the Coagulation Center, Inc. of Oakland, California overseeing the delivery of comprehensive coagulation and platelet services. He has held past clinical- and research-focused positions with The Scripps Research Institute, Loyola University Medical Center and the University of Illinois, Chicago. He holds an MBA from Babson College in Wellesley, Massachusetts and a BS in Medical Technology from Michigan State University.

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Course provided by LabCE.
Aspirin pills. Accessed on 7-23-2012 from: http://www.cancer.gov/ncicancerbulletin/012511/page5.


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