Complex Regional Pain Syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age at least 18 jaar; 2. History of CRPS, indicated by the presence of the following characteristics during the past 3 years (adapted CRPS I criteria according to Bruehl) a. Continuing pain, disproportionate to any inciting event; b. At least 1 symptom in of the following 4 categories: b1. Sensory: hyperalgesia b2. Vasomotor: temperature asymmetry or skin color changes or skin color asymmetry; b3. Sudomotor/edema: edema or sweating changes or sweating asymmetry; b4. Motor/trophic: diminished range of motion or motor dysfunction or trophic changes; 3. The presence of CRPS signs is not mandatory; 4. Surgery on the affected upper extremity (a.o. carpal-tunnelsyndrome, joint surgery on wrist and fingers).
Exclusion criteria
Exclusion criteria: 1. Allergy to mannitol; 2. Allergy to hydrochlorothiazide; 3. Clinically relevant renal impairment (creatinine >= 150% normal); 4. Hystory of cardiac failure (orthopnea, edema, exertional dyspnea, admissions for cardiac failure); 5. CRPS in both upper extremities; 6. Other pain syndromes affecting functional testing or pain scores; 7. Infection; 8. Pregnancy; 9. No informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The Impairment Level Sum Score (ISS) after 3 months, which is a composite score, accounting for pain, edema, temperature and range of motion. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Disability of Arm, Shoulder and Hand, Dutch Language Version (DASH-DLV) score; 2. Individual components of ISS; 3. Perioperative VAS-pain scores; 4. Number of medication changes; 5. Side effects. | — |
Contacts
University Medical Center Utrecht (UMCU), Department of Anesthesiology, P.O. Box 85500