Assessment methods and prevalence of cognitive dysfunction in patients with low-grade glioma: A systematic review
Journal of Rehabilitation Medicine , Volume 47 - Issue 6 p. 481- 488
Objective: To systematically review the literature for studies on cognitive functioning in patients with low-grade glioma to evaluate assessment methods and prevalence of cognitive dysfunction. Data sources: A search was made in PubMed, Embase, and PsycINFO for articles published between January 2002 and June 2012 using cognition, memory, attention, executive functioning, and low-grade glioma as search terms. Study selection: Two reviewers independently performed the study selection and data extraction. Inclusion criteria were: studies including at least 10 adult patients, with suspected or confirmed low-grade glioma and cognitive functioning as outcome measure. Data extraction: A standard data extraction form was used, with items regarding study quality, patient characteristics, type of measurement instruments, cognitive domain, definition of cognitive dysfunction, and reported prevalence. Data synthesis: Of the 312 articles screened on title/abstract, 69 were screened on full-text and, finally, 17 were included. A total of 46 different measurement instruments were found for the assessment of cognitive functioning; 5 of these were used 5 or more times. There was variability in the definition of cognitive dysfunction. The reported prevalence of cognitive dysfunction ranged from 19% to 83%. Conclusion: Many patients with low-grade glioma experience cognitive dysfunction. However, there is no consensus on how to assess cognitive functioning in these patients.
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Van Coevorden-van Loon, E.M.P, Heijenbrok-Kal, M.H, Van Loon, W.S, van den Bent, M.J, Vincent, A, de Koning, I, & Ribbers, G.M. (2015). Assessment methods and prevalence of cognitive dysfunction in patients with low-grade glioma: A systematic review. Journal of Rehabilitation Medicine (Vol. 47, pp. 481–488). doi:10.2340/16501977-1975