Participation and autonomy in the first 10 months after diagnosis of ALS: a longitudinal study.

Introduction: More insight is needed into participation in daily activities and autonomy among patients with amyotrophic lateral sclerosis (ALS). Aims of this study were (1) to describe the course of participation restrictions and autonomy in participation during the first 10 months after diagnosis; (2) to study the influence of the rate of ALS progression on the course of participation. Methods: Secondary analysis of data from the longitudinal multicenter FACTS-2-ALS study. Self-report questionnaires were administered at inclusion (T0; n = 71), at 4 months (T1), 7 months (T2), 10 months (T3) after inclusion. Median duration of follow-up was 10.0 months. Participation restrictions were assessed using the sum of the Mobility Range and Social Behavior subscales of the Sickness Impact profile-68 (SIPSOC). Autonomy in participation was assessed using the Impact on Participation and Autonomy (IPA) Questionnaire. Fast disease progression was defined as an increase of 1.1 points per month or more on the ALS Functional Rating Scale. Results: Patients reported participation restrictions in all subscales while having mild physical limitations. There was a decrease of participation over time (restrictions and autonomy). This decrease was greatest in patients with fast disease progression. Disease progression negatively influenced movement-related participation more than social interaction domains. Rate of disease progression was more strongly related to SIPSOC scores compared to IPA scores. Discussion: Preserving participation may be an important determinant of quality of care for patients with ALS. Rate of progression of the disease should be taken into account as it was found to be significantly associated with the level of participation.