Reflection of photodynamic therapy issues in the databases of research periodical publications

Abstract

We carried out the search of publications about the issues of photodynamic therapy (PDT) in such electron data- bases like Medline, Cochrane Library, Russian List of Journals Indexed. More than 16000 links were found, and 14744 were found in Medline. For the recent 5 years 4653 links to works were detected in Medline, 92% of these works were published in English, 90% of them refer t oncology. By study types the publications are divided into such way: 20% of articles – animal studies, 4 % - randomized clinical studies, 3 % - systemic reviews, 0.3% and 0.3% respectively – meta- analyses and practical recommendations. In Cochrane Library there were 671 links (all in English) to works 13 of which are Cochrane reviews, 12 – structural abstracts of “non-Cochrane” reviews, 583 records in the registry of clinical studies, 43 – technological analysis, 17 – economical analysis, 3 – methodological analysis. In Russian List of Journals Indexed there were 66 links to Russian-language theses, and most of them are published in the peer-reviewed journal from the list of Higher Attestation Commission. We presented and analyzed basic statistic indices of this massive which play important role for development of studies related to PDT, method improvement and widening of its clinical use.