• Susan Anthony and Susan Jack.
• School of Nursing, McMaster University, Hamilton, Ontario, Canada. santhony@uwo.ca
• J Adv Nurs. 2009 Jun 1;65(6):1171-81.

AimThis paper is a report of an integrative review conducted to critically analyse the contemporary use of qualitative case study methodology in nursing research.BackgroundIncreasing complexity in health care and increasing use of case study in nursing research support the need for current examination of this methodology.Data SourcesIn 2007, a search for case study research (published 2005-2007) indexed in the CINAHL, MEDLINE, EMBASE, PsychINFO, Sociological Abstracts and SCOPUS databases was conducted. A sample of 42 case study research papers met the inclusion criteria.MethodsWhittemore and Knafl's integrative review method guided the analysis.ResultsConfusion exists about the name, nature and use of case study. This methodology, including terminology and concepts, is often invisible in qualitative study titles and abstracts. Case study is an exclusive methodology and an adjunct to exploring particular aspects of phenomena under investigation in larger or mixed-methods studies. A high quality of case study exists in nursing research.ConclusionJudicious selection and diligent application of literature review methods promote the development of nursing science. Case study is becoming entrenched in the nursing research lexicon as a well-accepted methodology for studying phenomena in health and social care, and its growing use warrants continued appraisal to promote nursing knowledge development. Attention to all case study elements, process and publication is important in promoting authenticity, methodological quality and visibility.

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