Myositis, polymyositis, dermatomyositis, muscle ultrasound, corticosteroid induced myopathy
Conditions
Interventions
Each measurment conducted for this study consist of 3 parts: Muscle ultrasound assessment, questionnaires and muscle function/strength assessment.
In addittion newly diagnosed patients and patients
Sponsors
Radboud University Nijmegen Medical Centre
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients suspected of dermatomyositis or polymyositis based on: Myalgia, muscle weakness, typical skin lesion and/or elavation of serum CK; 2. Dermatomyositis and polymyositis patients diagnosed according to the Bohan and Peter criteria; 3. Patients suspected of a corticosteroid induced myopathy.
Exclusion criteria
Exclusion criteria: 1. Patients on immunosuppressive medications > 2 weeks; 2. Patients younger than 18 years of age.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Diagnostic value muscle ultrasound: Sensitivity, specificity en predictive value; 2. Monitoring disease activitiy muscle ultrasound: Correlation between muscle ultrasound and muscle strength/function (MRC and dynamometry), patient reported outcome (HAQ, SF-36, VAS patient and patient reported outcome questionnaire), Myositis Disease Activity Assessment Tool (MDAAT) and Myositis Damage index (MDI); 3. Corticosteroid myopathy: Structural muscle muscle changes defined by ultasound in patients with chronic corticosteroid use. | — |
Contacts
Public ContactKavish J. Bhansing
Postbus 9109
Outcome results
None listed