Abstract
Abstract Background Juvenile idiopathic arthritis (JIA) is the most common cause of arthritis in children. Common symptoms include pain, joint stiffness, joint swelling, fatigue, and decreased physical function. Over 50% of children have hand or wrist involvement and handwriting is the most commonly reported functional limitation in daily activities. To date there has been limited study of the specific limitations of handwriting in children with JIA. Objectives To better understand handwriting limitations in children with JIA, this pilot study aimed to: (a) describe handwriting speed measured by the Detailed Assessment of Speed of Handwriting (DASH), a standardized assessment of handwriting speed; (b) compare the DASH scores with age- and sex-matched normative data; (c) examine the association between DASH scores and active wrist and hand arthritis; and (d) explore associations between DASH scores and grip strength, quality of life, function, and pain. Design/Methods Participants diagnosed with JIA and actively followed by the paediatric rheumatology clinic at a large tertiary care centre underwent physician assessment with active joint count, occupational therapist (OT) assessment including administration of the DASH, and grip strength measurement by a physiotherapist. Participant-reported outcomes included questionnaires on function (Childhood Health Assessment Questionnaire [CHAQ]), pain, and quality of life (QOL). Results A total of 12 participants aged 9-15 years (M = 12.7y) completed the study. The mean DASH score was 35th percentile (SD = 23) for all participants, 58th percentile (SD = 14) with active hand/wrist arthritis, 25th percentile (SD = 19) with history of hand/wrist arthritis, and 24th percentile (SD = 25) with no history of hand/wrist arthritis. Grip strength was low overall (M = 18th percentile, SD = 28), and lower in participants with active hand/wrist arthritis (M = 4th percentile, SD = 5) and history of hand/wrist arthritis (M = 5th percentile, SD = 7). DASH scores were negatively associated with grip strength (r = -.31), and positively associated with QOL (r = .41) and pain (r = .43). There was no relationship between the DASH and the CHAQ. Conclusion Handwriting speed difficulties are common in children with JIA and may not relate to arthritis disease activity, pain, or function. Handwriting speed may be used in the clinic as a screen to identify children who may benefit from a full OT handwriting assessment. In the absence of access to OT, general guidance can be provided to schools to support a child with JIA in the classroom.
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