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europhysiological Basis of Rehabilitation in Patients with Complex Regional Pain Syndrome-Type I (CRPS-I) and chronic Low Back Pain (LBP)

Recruiting
Conditions
chronic pain syndromes
Complex Regional Pain Syndrome type I (CRPS-I) and chronic pain
chronic low back pain (LBP)
Registration Number
NL-OMON41326
Lead Sponsor
niversiteit Maastricht
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
Not specified
Target Recruitment
75
Inclusion Criteria

for CRPS-I patients:
- Diagnosis of Complex Regional Pain Syndrome Type I
- Unilateral localization on upper extremity;for LBP patients:
- Experience of non-specific low back pain for at least three months
- No other diagnosis better explaining the signs and symptoms;all patients:
- Stable medication
- Substantial fear of movement/(re)-injury;for all patients and healthy controls:
- Age between 18 and 65 years old

Exclusion Criteria

for patients and healthy controls:
- peripheral neuropathy of upper extremity
- magnetic resonance imaging incompatible health condition
- psychopathology (according to SCL 90)
- tactile sensitivity impairment as a result of cranial, spinal lesion or damage of sensory apparatus
for healthy controls only:
- (history of) CRPS or other chronic pain syndromes

Study & Design

Study Type
Observational non invasive
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>Patients and healthy controls:<br /><br>1) Blood-oxygenation level dependent response (BOLD signal), during rest,<br /><br>during the tactile stimulations and during watching of pictures that might be<br /><br>experienced as threatful by the patients.<br /><br>2) Tactile discrimination threshold in mm (minimal offset in dot pattern<br /><br>required for reliable discrimination [>80%] of the directionality of this<br /><br>offset)(CRPS-I) / Performance on lifting task (LBP)<br /><br>3) Fractional anisotropy of water diffusivity.</p><br>
Secondary Outcome Measures
NameTimeMethod
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