Complex regional pain syndrome Nervous System Diseases Causalgia
Conditions
Interventions
In the active group, the patients get 10 sympathetic blockades of the stellate ganglion. The injections are performed twice a week during five weeks in a standardised manner: all patients get a blocka
Sponsors
Charite - University Medicine Berlin (Charite - Universitatsmedizin Berlin) (Germany)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. CRPS I or II of an upper extremity 2. Aged greater than 18 years 3. Stable pain medication during the last two weeks 4. Stable psychoactive medication during the last two months
Exclusion criteria
Exclusion criteria: 1. Current psychotherapy or psychiatric therapy 2. Major depression 3. Severe cognitive dysfunction or mental disorder 4. Suicidal tendencies 5. Psychosis 6. Participation in other studies in the same time 7. Use of benzodiazepines 8. Drug abuse 9. Contraindications against blockade of the stellate ganglion
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Analgesia using the Visual Analogue Scale (VAS: 0 = no pain, 10 = unbearable pain). The primary and secondary outcomes will be measured seven days after the end of the therapy and once again after six months. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Active pain coping strategies using the Questionnaire for Assessment of Level of Coping with Pain (Fragebogen zur Erfassung der Schmerzverarbeitung [FESV]) 2. Sensibility of non- or little-myelinated nerve fibres using quantitative sensory testing (QST) 3. Functionality of the affected extremity using the wrist function scale, goniometric and dynamometric measures The primary and secondary outcomes will be measured seven days after the end of the therapy and once again after six months. | — |
Countries
Germany
Outcome results
None listed