What is the prevalence of cognitive impairment in lupus and which instruments are used to measure it? A systematic review and meta-analysis.

Objectives: To systematically review the literature on the prevalence of Cognitive Dysfunction (CD) in SLE patients in studies that used a specified neuropsychological instrument.

Methods: This review was prepared with a protocol following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis-Protocols statement. Literature search in Ovid Medline, Embase, and Psyc INFO for articles on CD in adult SLE patients was conducted.

Performance of Screening Tests for Cognitive Impairment in Systemic Lupus Erythematosus.

Objective: There is a need for a cognitive function screening test that can be administered to patients with systemic lupus erythematosus (SLE) in clinic. The objectives of this study were to determine (1) prevalence of cognitive impairment (CI) in SLE by the Montreal Cognitive Assessment (MoCA), Mini Mental State Examination (MMSE), in relation to the Hopkins Verbal Learning Test-Revised (HVLT-R), and Perceived Deficits Questionnaire 5-Item (PDQ-5); and (2) associated factors with CI.

Methods: Consecutive patients followed at a single center were recruited.