AB1241-HPR Static and Dynamic Pedobarographic Assessment in Patients with Juvenile Idiopathic Arthritis

BackgroundJuvenile idiopathic arthritis (JIA) is the most common chronic rheumatic disease in childhood and adolescence and may generate short-term and long-term disability (1). The disease causes pain that may lead to posture and movement modifications and arouses muscular imbalance with reduced range of motion in the affected joints. Foot problems attributable to JIA include synovitis, tenosynovitis, enthesitis, pain, stiffness, and deformity (2). There is limited study about the foot impairments of patients with JIA.ObjectivesThe aim of this study was to investigate foot problems of JIA patients with pedobarographic assessment. Pedobarography is an objective, functional method that could be used in the diagnosis and treatment of foot disorders.Methods15 patients (10 female, 5 male) with JIA were enrolled in the study. Patients were included if they had a documented history of joint involvement affecting either two large lower limb joints, foot joint involvement or widespread polyarthritis as recorded by the physiotherapist. Plantar pressure assessment during walking and standing was used for Sensor Medica Pedobarographic System. Pedobarographic assessments as static (Forefoot loading, Rearfoot loading, Total loading, Maximum peak pressure - p.max) and dynamic (p. max, Loading in gait phases) were performed.ResultsMean age was 12.26±3.62 years. Parameters of static and dynamic pedobarographic assessment are shown in Tables 1 and 2. It was found difference for almost all parameters between affected and unaffected lower extremity but this difference was not significant. Only, it was found significant difference for pressure rate in loading response phase. It was found difference for almost all duration of gait phases between affected and unaffected lower extremity but this difference was not significant.Table 1ParameterUnaffected sideAffected sidepForefoot loading (%)13.66±11.0913.86±10.710.62Rearfoot loading (%)36.46±8.5135.93±15.890.87Total loading (%)50.13±14.2049.86±14.200.92p. max (g/cm2)897.80±205.34961.93±224.120.42Dynamic p.max (g/cm2)1881.86±379.091795.20±359.990.23Table 2Loading and durationUnaffected sideAffected sidepUnaffected sideAffected sidep(%)(%)(ms)(ms)Initial contact14.80±5.9312.26±6.050.1621.33±4.7020.53±5.710.54Loading response53.53±14.3639.66±12.440.00986.80±16.5883.06±20.350.36Midstance94.66±692±10.520.43247.80±44.07237.26±41.580.24Terminal stance95.73±9.1396.13±8.330.83251.53±52.49236.73±52.010.20ConclusionsDecreased duration of ga