Critical appraisal of published literature

 

published literature review

Thanks for your article. I did manage to have my lit review published but it is a completely different genre to the thesis chapter, as you point out. I had beside me the entire time a ‘how to write a narrative lit review’ because it’s not often done as someone as already said. Critical appraisal of scientific literature is an important skill to be mastered not only by academic medical professionals but also by those involved in clinical practice. Before incorporating changes into the management of their patients, a thorough evaluation of the current or published literature is an important step in clinical pasquinvis.tk: Goneppanavar Umesh, John George Karippacheril, Rahul Magazine. So there is a 'standard' literature review, an integrative review, a systematic review (which is controversial due to interpretation and interchangeability of terms i.e. a meta-analysis-based.


Ten Simple Rules for Writing a Literature Review


With a large output of medical literature coming out every year, it is impossible for readers to read every article. Critical appraisal of scientific literature is an important skill to be mastered not only by academic medical professionals but also by those involved in clinical practice. Before incorporating changes into the management of their patients, published literature review thorough evaluation of the current or published literature is an important step in clinical practice.

It is necessary for assessing the published literature for its scientific validity and generalizability to the specific patient community and reader's work environment. Simple steps have been provided by Consolidated Standard for Reporting Trial statements, Scottish Intercollegiate Guidelines Network and several other resources which if implemented may help the reader to avoid reading flawed literature and prevent the incorporation of biased or untrustworthy information into our practice.

The objective of medical literature is to provide unbiased, accurate medical information, backed by robust scientific evidence that could aid and enhance patient care.

With the ever increasing load of scientific literature more than 12, new articles added every week to the MEDLINE database ,[ 2 ] keeping abreast of the current literature can be arduous. Critical appraisal of literature may help distinguish between useful and flawed studies. Although substantial resources of peer-reviewed literature are available, flawed studies may abound in unreliable sources. Flawed studies if used to guide clinical decisions may end up with no benefit or at worse result in significant harm.

Readers can, thus, make informed decisions by critically evaluating medical literature. Initial evaluation of an article published in literature should published literature review based on certain core questions.

These may include querying what could be the key learning points in the article, published literature review, about its clinical relevance, if the study has a robust methodology, if the results are reproducible and could there be any bias or conflict of interest [ Table 1 ]. If there are serious doubts regarding any of these steps, the reader could skip the article at this stage itself, published literature review.

Evaluate if the need as dearth of studies on the topic in scientific literature and the purpose of the study attempting to find answers to one of the important unanswered queries of clinical relevance are properly explained with scientific rationale. If the research objective and hypothesis were not clearly defined or the findings of the study are different from the objectives chance findingsthe study outcomes become questionable.

A good working scientific hypothesis backed by a strong methodology is published literature review stepping stone for carrying out a meaningful research.

The groups to be involved and the study end points should be determined prior to starting the study. Strong methodology depends on several aspects that must be properly addressed and evaluated [ Table 2 ]. The methodology for statistical analysis including tests for distribution pattern of study data, level of significance and sample size calculation should be clearly defined in the methods section.

Data that published literature review the published literature review of normal distribution pattern must be analysed with non-parametric statistical tests. Inadequate sample size can lead to false-negative results or beta error aide-memoire: beta error is blindness. Setting a higher level of significance, especially when performing multiple comparisons, can lead to false-positive results or alpha error aide-memoire: alpha error is hallucination. A confidence interval when used in the study methodology provides information on the direction and strength of the effect, in contrast to P values alone, from which the magnitude, direction or comparison of relative risk between groups cannot be inferred.

P value simply accepts or rejects the null hypothesis, therefore it must be reported in conjunction with confidence intervals. The results section should only report the findings of the study, without attempting to reason them out, published literature review. The total number of participants with the number of those excluded, dropped out or withdrawn from the study should be analysed. Failure to do so may lead to underestimation or overestimation of results. Evaluate for completeness — all the variables in the study methodology should be analysed using appropriate published literature review tests.

Ensure that findings stated in the results are the same in other areas of the article — abstract, tables and figures, published literature review. Appropriate tables and graphs should be used published literature review provide the results of the study.

Assess if the results of the study can be generalised and are useful to our workplace or patient population. Further, the publication bias towards studies with positive outcome leads to scientific distortions in the body of scientific knowledge.

The discussion is used to account for or reason out the outcomes of the study, published literature review, including dropouts and any change in methodology, to comment on the external validity of the study and to discuss its limitations. The authors should report their findings in comparison with that previously published in literature, if the study results added new information to the current literature, if it could alter patient management and if the findings need larger studies for further evaluation or confirmation.

When concluding, the interpretation should be consistent with the actual findings. Evaluate if the questions in the study hypothesis were adequately addressed and if the conclusions were justified published literature review the actual data. Authors should also provide limitations of their study and constructive suggestions for future research. Readers may find useful resources on how to constructively read the published literature at the following resources:.

Critical appraisal of scientific literature is an important skill to be mastered not just by academic medical professionals but also by those involved in clinical practice.

Before incorporating changes in the management of their patients, a thorough evaluation of the current or published literature is a necessary step in practicing evidence-based medicine. National Center for Biotechnology InformationU. Journal List Indian J Anaesth v, published literature review. Indian J Anaesth. Author information Copyright and License information Disclaimer. Address for correspondence: Prof.

E-mail: moc. Abstract With a large output of medical literature coming out every year, it is impossible for readers to read every article. Key words: Allocation published literature review, bias, conflict of interest, published literature review appraisal, randomisation, study design. Table 1 Core questions for initial evaluation of a scientific article.

Open in a separate window. Introduction, methods, results and discussion pattern of scientific literature Introduction Evaluate if the need as dearth of studies on the topic in scientific literature and the purpose of the study attempting to find answers to one of the important unanswered queries of clinical relevance are properly explained with scientific rationale.

Methods A good working scientific hypothesis backed by a strong methodology is the stepping stone for carrying out a meaningful research. Results The results section should only report the findings of the study, without attempting to reason them out.

Discussion and conclusion The discussion is used to account for or reason out the outcomes of the study, including dropouts and any change in methodology, to comment on the external validity of the study and to discuss its limitations. SUMMARY Critical appraisal of scientific literature is an important skill to be mastered not just by academic medical professionals but also by those involved in clinical practice. Financial support and sponsorship Nil.

Conflicts of interest There are no conflicts of interest. Burls A, published literature review. What is? Series 2nd ed. Oxford, UK: University of Oxford; What is Critical Appraisal? Glasziou PP, published literature review.

Information overload: What's behind it, what's beyond it? Med J Aust. Getting started with critical appraisal of medical literature: It is easier than you think. Calif Pharm. Allocation concealment and blinding: When ignorance is bliss.

How to read and critically appraise a reliability article. Int J Ther Rehabil. Confidence interval or P-value. Dtsch Arztebl Int. Scottish Intercollegiate Guidelines Network, published literature review. Strobe Statement.

Lachin JM. Statistical considerations in the intent-to-treat principle. Control Clin Trials, published literature review. Critical appraisal of scientific articles: Part 1 of a series on evaluation of scientific publications. Reported published literature review quality and discrepancies between large and small randomized trials in meta-analyses.

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Literature Review Examples With Writing Tips

 

published literature review

 

Thanks for your article. I did manage to have my lit review published but it is a completely different genre to the thesis chapter, as you point out. I had beside me the entire time a ‘how to write a narrative lit review’ because it’s not often done as someone as already said. So there is a 'standard' literature review, an integrative review, a systematic review (which is controversial due to interpretation and interchangeability of terms i.e. a meta-analysis-based. Jul 18,  · The chances are high that someone will already have published a literature review, if not exactly on the issue you are planning to tackle, at least on a related topic. If there are already a few or several reviews of the literature on your issue, my advice Cited by: