Abstract
Recently, quality of life in patients with sleep apnea is very intensively studied worldwide. The purpose of the present study is to analyze the dynamic international scientific communications in the interdisciplinary field of quality of life in sleep apnea patients. Retrospective problem-oriented search was carried out for a 20-year period (1993–2012) in five data-bases and information portals: Web of Knowledge (WoK) – Web of Science (WoS), Biosis Citation Index (BCI) and MEDLINE (WoK), Scopus and PubMed version of MEDLINE. A comprehensive analysis by means of a set of specific scientometric parameters revealed a series of essential features of the publication and citation activity Our results demonstrated a continuous growth of the number of the abstracted publications, journals containing them, institutions and countries of authors, and languages of publications although these trends were reflected to a different extent in these data-bases and information portals. There were 2235 abstracted publications in Scopus, 1565 in WoS (in 577 journals), 1233 in PubMed, 1194 in MEDLINE (WoK), and 621 in BCI. There were more than 5300 unique author’s names in WoS only and more than 4400 ones in MEDLINE (WoK). N.J. Douglas, S. Israel-Ancoli, S. Redline, S. Tufik, and D. Gozal presented with most papers on this topic in these data-bases. The ’core’ journals included ’Sleep’, ’Sleep Medicine’, ’Chest’, ’American Journal of Respiratory and Critical Care Medicine’, and ’Sleep and Breathing’. There were 61 countries of authors in Scopus and 57 ones in WoS. Far behind the USA came Canada, UK, Germany, Australia, France and other countries. English language of publications strongly dominated followed by 22 other languages in Scopus, 20 – in MEDLINE (WoS), 15 – in MEDLINE (PubMed), 8 – in WoS and 7 – in BIC. The citation analysis in WoS indicated that 15 papers had received more than 200 citations until February, 2013. The sum of the times cited without self-citations was 25410 by 17316 citing articles. The average citations per item were 19.86 and those per year were 1480.29. The value of h -index was high – of 72 arguing of the prestige of this topic worldwide. Permanent internationalization and effective interdisciplinary collaboration in the field of sleep apnea and patient’s quality of life could overcome the considerable stratification at regional and national level and contribute to the solving of this severe pathology and socially significant pathology. Douglas, S. Israel-Ancoli, S. Redline, S. Tufik, and D.
Published Version
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