SMA Spinal Muscular Atrophy Fatigability
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Subjects with SMA - Genetically confirmed diagnosis of SMA type 2 or type 3 or type 4 -Ability to follow test instructions -Parental informed consent/Inform consent -Age 8-50 years 2) Patient control group (matched on clinical status) -Genetically confirmed diagnosis of (neuro-) muscular disease, no signs of neuromuscular dysfunction -Ability to follow test instructions -Parental informed consent/ Informed consent -Age 8-50 years 3) Healthy control group (age and gender matched) -Sufficient understanding of Dutch -Ability to follow test instructions -Parental informed consent/ Informed consent -Age 8-50 years
Exclusion criteria
Exclusion criteria: All subjects: Concomitant medical problems that might intervene with the outcomes of the testing
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1) Reproducibility of fatigability tests (reliability (ICC) , measurement error (ME) 2) Construct Validity - content validity between fatigability tests,perceived fatigue and peripheral muscle fatigue: Pearson/Spearman Correlation Coefficient - convergent validity between fatigability tests (endurance time and delta muscle strength values) and nerve conduction study (delta compound muscle action potential) : Pearson/Spearman Correlation Coefficient - convergent validity between fatigability tests (endurance time and delta muscle strength values), perceived fatigue (Borg scores and fatigue questionnaires) and peripheral muscle fatigue (EMG registration; Root Mean Square amplitude muscles arms/legs/respiratory) - discriminative validity between fatigability tests SMA patients, healthy control group and patient controle group: Analysis of Variance (ANOVA) | — |
Secondary
| Measure | Time frame |
|---|---|
| Feasibility parameters - measurement completion - acceptability - perceived burden | — |
Contacts
Kinderbewegingscentrum | Wilhelmina Kinderziekenhuis | Universitair Medisch Centrum Utrecht Lundlaan 6, 3508 AB Utrecht