title: History and Trends of "Personal Health Record" Research in PubMed.
abstract: OBJECTIVE
  The purpose of this study was to review history and trends of personal health record research in PubMed and to provide accurate understanding and categorical analysis of expert opinions.
  
  
  METHODS
  For the search strategy, PubMed was queried for 'personal health record, personal record, and PHR' in the title and abstract fields. Those containing different definitions of the word were removed by one-by-one analysis from the results, 695 articles. In the end, total of 229 articles were analyzed in this research.
  
  
  RESULTS
  The results show that the changes in terms over the years and the shift to patient centeredness and mixed usage. And we identified history and trend of PHR research in some category that the number of publications by year, topic, methodologies and target diseases. Also from analysis of MeSH terms, we can show the focal interest in regards the PHR boundaries and related subjects.
  
  
  CONCLUSIONS
  For PHRs to be efficiently used by general public, initial understanding of the history and trends of PHR research may be helpful. Simultaneously, accurate understanding and categorical analysis of expert opinions that can lead to the development and growth of PHRs will be valuable to their adoption and expansion.
authors.affiliation: College of Nursing, Seoul National University, Seoul, Korea.
authors.forename: Jeongeun
authors.initials: J
authors.lastname: Kim
authors.forename: Hongju
authors.initials: H
authors.lastname: Jung
authors.forename: David W
authors.initials: DW
authors.lastname: Bates