Aspirin Clopidogrel in Randomized Placebo-Controlled Trial Essay (Article Review)

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Introduction

This article seeks to appraise the article “Addition of clopidogrel to aspirin in 45 852 patients with acute myocardial infarction: randomized placebo-controlled trial”. This is for the simple reason that in the recent past, numerous modalities have been used for the treatment of myocardial infarction (MI) and others are still in the pipeline being established. Looking at the background, platelet activation and aggregation can be treated using thromboxane; these two rises during myocardial infarction. Aspirin has proved to be effective in the reduction of mortality. Clopidogrel has proven effective enough to deal with ischemic events (Docherty, 2011).

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Clinical question and PICOT related to the problem

In Patients With Myocardial Infarction Is Aspirin Beneficial When Used Alone or in Addition to Clopidogrel?

  • P- Patients with Myocardial infarction
  • I- Aspirin
  • C- Clopidogrel plus Aspirin
  • O- Reduction or prevention of myocardial infarction events
  • T- 28 days

Keywords used and the database system

Headings and words used were closely related to clopidogrel and aspirin, myocardial infarction, mortality, major morbidity, stroke and study type (i.e., “randomized controlled trial”). All were searched in databases like Cochrane library and MEDLINE (White, 2008).

Appraisal

In critically appraising this article, the following factors were assessed and how the article addresses them.

Valid clinical problem and clinical question

While discussing the validity of the problem and to what extent this article solves the matter at hand, we see that the study sticks to its objective and delivers desirable results.

Validity of the results

The article that they pursue a 2 by 2 factorial design and randomization was used in the allocation of clopidogrel 75 mg daily (n=22 961) or matching placebo (n=22 891) in addition to aspirin 162 mg daily. There was also the use of sealed study treatments (Nursing, 2007).

The study has also shed some light in measuring the study’s outcome and performance, in doing so, the study ensured that there was a 4-week calendar that was followed to the letter except in arising medical situations. As stated in the study that unless a definite contraindication arose then medication would continue as planned hence outcome measures.

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The study also does a follow-up: this is done through a form which is filled and contains details on compliance, effects of the therapy either positive or negative, clinical events, death if it occurred. Also noticeable is that the study did not conduct any post-discharge follow-up. Hence, this study falls deficient in that regard and has failed to address sufficiently the complete follow-up which is vital to any patient’s recovery.

The results

In the analysis of the results of this study, we exploit such factors as the statistical methods used. Our objective is to compare the group mean value on the continuous outcome variable between or among the group as done below.

Primary outcome

Clopidogrel

Mean = 654.33

Standard Deviation = 886.4

Placebo

Mean = 707.67

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Standard Deviation = 811.36

Secondary outcome

Clopidogrel

Mean = 201.38

Standard Deviation = 87.34

Placebo

Mean = 232

Standard Deviation = 155.35

Secondly, we will look at statistical significance: the P-value is 0.002 which is less than 0.05, meaning it is highly significant (DiCenso, 2009).

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Clinical Meaningfulness is also vital in the analysis of results. The NNT is not available in the study leaving the study lacking in trying to estimate the clinical meaning of the therapy.

Application of results to patients care

In trying to establish the provider’s perspective, the study does a good job in examining all the clinically important outcomes when it evaluates the primary outcome of death, reinfarction, and stroke. The study goes ahead to assess the efficacy of the outcomes.

Application

When looking at the application of the study, we note that using clopidogrel in acute MI requires less monitoring. The low cost of this modality is also recommendable thus the medication can be used in populations where medical resources are limited.

Evaluation

The study also reveals that in using clopidogrel, the time frame is not important since it does not require close and careful monitoring (Brandon, 2011).

References

Brandon, K. (2011). Electron Nursing Documentation as a Strategy to Improve Quality Care. Journal of Nursing scholarship , 154-162.

DiCenso, A. (2009). Evidence-Based Nursing: A guide to Clinical Practice. New York: Elsevier Health Sciences.

Docherty, B. (2011). Electronic Nursing Documentation as a strategy to Improve Quality of Patient Care. Journal of Nursing Scholarship , 154-162.

White, L. (2008). Foundations of Nursing. Chicago: Cengage Learning.

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IvyPanda. (2022, June 7). Aspirin Clopidogrel in Randomized Placebo-Controlled Trial. https://ivypanda.com/essays/aspirin-clopidogrel-in-randomized-placebo-trial-article-by-doll/

Work Cited

"Aspirin Clopidogrel in Randomized Placebo-Controlled Trial." IvyPanda, 7 June 2022, ivypanda.com/essays/aspirin-clopidogrel-in-randomized-placebo-trial-article-by-doll/.

References

IvyPanda. (2022) 'Aspirin Clopidogrel in Randomized Placebo-Controlled Trial'. 7 June.

References

IvyPanda. 2022. "Aspirin Clopidogrel in Randomized Placebo-Controlled Trial." June 7, 2022. https://ivypanda.com/essays/aspirin-clopidogrel-in-randomized-placebo-trial-article-by-doll/.

1. IvyPanda. "Aspirin Clopidogrel in Randomized Placebo-Controlled Trial." June 7, 2022. https://ivypanda.com/essays/aspirin-clopidogrel-in-randomized-placebo-trial-article-by-doll/.


Bibliography


IvyPanda. "Aspirin Clopidogrel in Randomized Placebo-Controlled Trial." June 7, 2022. https://ivypanda.com/essays/aspirin-clopidogrel-in-randomized-placebo-trial-article-by-doll/.

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