Brazilian research on cognitive impairment and dementia from 1999 to 2013
The phenomenon of demographic transition in recent decades has increased the number of elderly people in Brazil, promoting an escalation in chronic-degenerative conditions, particularly dementia and cognitive related disorders. OBJECTIVE: The aim of this study was to assess the evolution of the Brazilian scientific publications on dementia and related conditions from 1999 to 2013. METHODS: Articles published during the analysis period were searched on three electronic databases: Scopus, Medline (via PubMed) and Lilacs (via BVS). The keywords used were Alzheimer's disease, dementia and mild cognitive impairment, with Brazil as the country of affiliation. RESULTS: A total of 1,657 articles met the conditions for inclusion in the study. The output of Brazilian researchers in the area of cognitive disorders increased 11.38-fold in the fifteen-year period of analysis and 4.98-fold from 2003 to 2013. More than half of the articles (53%) were published in international journals. The majority of institutions involved in publications were public universities while 19% were collaborative studies involving Brazilian and international institutions. CONCLUSION: Despite marked growth, the number of Brazilian scientific publications in the area of cognitive impairment and dementia is still low. More effort is required to improve the output of Brazilian researchers and institutions. Possible strategies to accomplish this increase could be to encourage residents to participate in publications of scientific papers during their residence program and to increase the collaborations between different institutions within Brazil and with the international scientific community.
| Main Authors: | , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento
2014
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-57642014000400394 |
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| Summary: | The phenomenon of demographic transition in recent decades has increased the number of elderly people in Brazil, promoting an escalation in chronic-degenerative conditions, particularly dementia and cognitive related disorders. OBJECTIVE: The aim of this study was to assess the evolution of the Brazilian scientific publications on dementia and related conditions from 1999 to 2013. METHODS: Articles published during the analysis period were searched on three electronic databases: Scopus, Medline (via PubMed) and Lilacs (via BVS). The keywords used were Alzheimer's disease, dementia and mild cognitive impairment, with Brazil as the country of affiliation. RESULTS: A total of 1,657 articles met the conditions for inclusion in the study. The output of Brazilian researchers in the area of cognitive disorders increased 11.38-fold in the fifteen-year period of analysis and 4.98-fold from 2003 to 2013. More than half of the articles (53%) were published in international journals. The majority of institutions involved in publications were public universities while 19% were collaborative studies involving Brazilian and international institutions. CONCLUSION: Despite marked growth, the number of Brazilian scientific publications in the area of cognitive impairment and dementia is still low. More effort is required to improve the output of Brazilian researchers and institutions. Possible strategies to accomplish this increase could be to encourage residents to participate in publications of scientific papers during their residence program and to increase the collaborations between different institutions within Brazil and with the international scientific community. |
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