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Educação Continuada: Metodologia Científica

Reporting guidelines: essential tools for manuscript writing in medical research

Diretrizes para redação de artigos científicos: ferramentas essenciais em pesquisas médicas

Juliana Carvalho Ferreira1,2a , Cecilia M Patino1,3a

DOI: 10.36416/1806-3756/e20210057

PRACTICAL SCENARIO 
 
Researchers conducted a prospective cohort study and evaluated mechanical ventilator waveforms to calculate the incidence of patient-ventilator asynchrony(1) among 103 patients admitted to the ICU of a university hospital in São Paulo, Brazil. They reported that a high incidence of asynchrony was associated with increased weaning failure, but not with mortality. The publication of the study results was written following the STrengthening the Reporting of OBservational studies in Epidemiology (STROBE) reporting guidelines.(2)
 
WHAT ARE REPORTING GUIDELINES?
 
Reporting guidelines are tools that guide authors who are writing a scientific paper on specific study items to be reported to increase the research rigor, reproducibility, transparency, and acceptance of the study results and conclusions by the scientific community. Reporting guidelines typically describe the development process and provide researchers with a checklist of recommended items to be reported according to each study design. The checklist is very helpful because it provides authors with a framework that is easy to follow and useful when designing the whole research project: from study protocol development to study implementation, data analysis, and manuscript writing.
 
Reporting guidelines are specific to each study design (Table 1). The most commonly used reporting guidelines are those developed by the Enhancing the QUAlity and Transparency Of health Research (EQUATOR) Network, a global initiative that seeks to improve the reporting quality of published health research globally.(2) The most widely known EQUATOR guidelines are CONsolidated Standards Of Reporting Trials (CONSORT) for randomized clinical trials (RCTs) and STROBE for observational studies. Several guidelines share particular items, including the study design in the manuscript title and the participant flow diagram, which informs how many individuals were screened for eligibility, how many were excluded, and why. Other recommended items are specific to each type of study design (e.g., the type of randomization procedure used in RCTs within the CONSORT guideline).


 
WHY ARE REPORTING GUIDELINES IMPORTANT?
 
Using reporting guidelines ensures that authors report all critical components of a research study, which helps the reader clearly understand all relevant aspects of the study. This is essential because when a manuscript conveys accurate and complete study information, procedures can be replicated by other researchers, and results can be included in systematic reviews or used by clinicians to inform clinical decision making. For example, when a manuscript reports the findings of an RCT and fails to report how many potential participants were excluded from the trial, the generalizability and the internal validity of the results could be compromised. Similarly, if the manuscript in our practical scenario(1) failed to report how many participants had been lost during follow-up, readers would be unable to evaluate the risk of bias in that cohort study. Therefore, the results would not be useful for clinical decision making.
 
The international research community increasingly recognizes that using reporting guidelines improves the quality of research and helps minimize the waste of resources in poorly reported research studies. As a result, most medical journals that have a high impact require that RCTs be written according to CONSORT guidelines, and most observational studies include STROBE flow diagrams.
 
REFERENCES
 

  1. Sousa MLA, Magrans R, Hayashi FK, Blanch L, Kacmarek RM, Ferreira JC. Predictors of asynchronies during assisted ventilation and its impact on clinical outcomes: The EPISYNC cohort study. J Crit Care. 2020;57:30-35. https://doi.org/10.1016/j.jcrc.2020.01.023

  2. Equator Network [homepage on the Internet]. Oxford: UK EQUATOR Centre; [cited 2021 Feb 2]. Available from: https://www.equator-network.org






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