Critical appraisal of research Essay

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Critical appraisal of research Essay

Critical appraisal of research Essay

Whether studying for your professional examinations or planning the care of your patients,
critical appraisal is a vital skill for healthcare professionals. Evidence based healthcare
involves the integration of the best available evidence, clinical experience and patient
preference when making decisions related to patient care. Research papers provide
information on current practice and new developments in the diagnosis, prevention and
treatment of disease. It is a fundamental skill to be able to identify and appraise the best
available evidence in order to integrate it with your own clinical experience and patients
values. During the final years of Dental school and early years as a graduate part of our roles
has been to discuss with patients their diagnoses and treatment options in an evidence-
based manner. This requires up to date and accurate knowledge of the available evidence.
Critical Appraisal is a method of carefully and systematically examining articles to assess
their value and their place in the literature. In this article we hope to provide you with a
robust and simple process for assessing the trustworthiness of articles and assessing their
value to your clinical practice.

Background
Once an article is identified, critical appraisal involves a structured approach to examining
evidence to assess its value and clinical relevance to modern practice. This allows
practitioners to recognise studies which are biased or poorly
only the most reliable information is incorporated into clinical practice. As the medical
profession evolves, undergraduate and junior practitioners are increasingly expected to be
aware of current developments in patient care
components in providing evidence based healthcare.
Figure 1:
Providing evidenced based healthcare
An important part of the process is an understanding of the differing levels of the
hierarchy. Figure 2, below, highlights the differing study designs and their relative
robustness and reliability. Evidence from meta
systematic reviews carried out by the Cochrane Collaboration, are
standard in evidence. These involve the aggregation of the highest quality studies available
with careful appraisal and statistical analysis of the findings. These, in turn, may form the
Clinical
Expericance
Once an article is identified, critical appraisal involves a structured approach to examining
evidence to assess its value and clinical relevance to modern practice. This allows
practitioners to recognise studies which are biased or poorly designed and therefore ensure
only the most reliable information is incorporated into clinical practice. As the medical
profession evolves, undergraduate and junior practitioners are increasingly expected to be
aware of current developments in patient care. Figure 1 outlines the three important
components in providing evidence based healthcare.

Critical appraisal of research Essay