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Acupuncture in stroke rehabilitation: Literature retrieval based on international databases
Feng Sun1, Jinchun Wang1, Xia Wen1
1Department of Neurology, Fifth People's Hospital of Shenyang, Shenyang 110023, Liaoning Province, China.
Objective:
To identify global research trends of acupuncture in stroke rehabilitation using a bibliometric analysis of the Web of Science and the Clinical Trials registry database (ClinicalTrials.gov).
Data Retrieval:
We performed a bibliometric analysis of data retrievals for acupuncture in stroke rehabilitation from 1992 to 2011 using the Web of Science and ClinicalTrials.gov.
Inclusion Criteria:
(1) Web of Science: (a) Peer-reviewed articles on acupuncture in stroke rehabilitation that were published and indexed in the Web of Science. (b) Type of articles: original research articles, reviews, meeting abstracts, proceedings papers, book chapters, editorial material and news items. (c) Year of publication: 1992-2011. (2) ClinicalTrials.gov: All clinical trials relating to acupuncture in stroke rehabilitation were searched in this database.
Exclusion Criteria:
(1) Web of Science: (a) Articles that required manual searching or telephone access. (b) We excluded documents that were not published in the public domain. (c) We excluded a number of corrected papers from the total number of articles. (2) ClinicalTrials.gov: (a) We excluded clinical trials that were not in the ClinicalTrials.gov database. (b) We excluded clinical trials that dealt with magnetic stimulation other than acupuncture in stroke rehabilitation in the ClinicalTrials.gov database.
Main Outcome Measures:
(1) Type of literature; (2) annual publication output; (3) distribution according to journals; (4) distribution according to country; (5) distribution according to institution; (6) top cited articles over the last 20 years; and (7) clinical trials registered.
Results:
(1) In all, 92 studies on acupuncture in stroke rehabilitation appeared in the Web of Science from 1992 to 2011, almost half of which derived from Chinese and American authors and institutes. The number of studies addressing acupuncture in stroke rehabilitation has gradually increased over the past 20 years. Most papers on acupuncture in stroke rehabilitation appeared in journals with a particular focus on rehabilitation research, such as Stroke, Archives of Physical Medicine, Cochrane Database of Systematic Reviews and Journal of Alternative and Complementary Medicine. (2) In the ClinicalTrials.gov, three studies can be searched on acupuncture and stroke, all of which were registered and sponsored by Chinese institutions since February 2009.
Conclusion:
From our analysis of the literature and research trends, we found that acupuncture in stroke rehabilitation may offer further benefits in regenerative medicine.
