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Optimum Platelet Inhibition After Coronary Bypass Surgery

Not Applicable
Completed
Conditions
Ischemic Heart Disease
Registration Number
NCT00262275
Lead Sponsor
Papworth Hospital NHS Foundation Trust
Brief Summary

To investigate the effect of different dosages of aspirin on platelet aggregation and to determine the possible mechanisms of aspirin resistance, we intend to compare the effects of low, medium dose aspirin with clopidogrel (an alternative antiplatelet agent) in patients after coronary artery bypass surgery.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
Not specified
Inclusion Criteria

We intend to invite patients aged 18 to 80 proceeding to primary elective coronary artery bypass surgery, able to give informed consent.

Exclusion Criteria

Preoperative exclusion criteria:

  • patients who are have not stopped aspirin 7 days prior to surgery
  • patients on concomitant NSAIDS
  • patients with a previous history platelet disorders, splenectomy or haematological disorders
  • patients with aspirin induced asthma
  • patients with any contraindications to aspirin (GI bleed)
  • patients who are on any medication that may result in a serious drug interaction with aspirin (warfarin)
  • Women of childbearing potential
  • Patients of less than 18 years
  • If informed consent cannot be obtained
  • If for any reason the consultant surgeon or anaesthetist deems it to be appropriate

Operative exclusion criteria:

• Concomitant procedures

Postoperative exclusion criteria:

  • patients who receive platelet transfusion
  • patients who receive NSAIDS
  • requirement for intra aortic balloon pump support
  • failure of extubation within 24 hours

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Papworth Hospital

🇬🇧

Cambridge, United Kingdom

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