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Repercussions of the Emergency neurological life support on scientific literature: a bibliometric study

Repercussões do Emergency neurological life support na literatura científica: um estudo bibliométrico

Abstract

Background

In 2012, the Neurocritical Care Society launched a compilation of protocols regarding the core issues that should be addressed within the first hours of neurological emergencies – the Emergency neurological life support (ENLS).

Objective

We aim to evaluate this repercussion through a bibliometric analysis.

Methods

We searched Scopus on October 2022 for articles mentioning ENLS. The following variables were obtained: number of citations; number of citations per year; number of publications per year; year of publication; research type; research subtype; country of corresponding author and its income category and world region; journal of publication and its 5-year impact factor (IF); and section where ENLS appeared.

Results

After applying eligibility criteria, we retrieved 421 articles, published from 2012 to 2022. The mean number of citations per article was 17.46 (95% Confidence Interval (CI) = 8.20–26.72), while the mean number of citations per year per article was 4.05 (95% CI = 2.50–5.61). The mean destiny journal 5-year IF was 5.141 (95% CI = 4.189–6.093). The majority of articles were secondary research (57.48%; n = 242/421) of which most were narrative reviews (71.90%; n = 174/242). High-Income countries were the most prominent (80.05%; n = 337/421 articles). There were no papers from low-income countries. There were no trials or systematic reviews from middle-income countries.

Conclusion

Although still low, the number of publications mentioning ENLS is increasing. Articles were mainly published in journals of intensive care medicine, neurology, neurosurgery, and emergency medicine. Most articles were published by authors from high-income countries. The majority of papers were secondary research, with narrative review as the most frequent subtype.

Keywords
Bibliometrics; Emergencies; Neurology; Central Nervous System Diseases/Diagnosis and Therapy; Evidence-based Medicine; Critical Care/Standards

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