CRPS-IComplex Regional Pain Syndrome Type I
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A general occupational therapy protocol when treating patients with upper-limb CRPS-I are:
Mirror box therapy in patients with CRPS-I existing for less than 2 years has shown to cause some regain of functionality and mobility and to reduce pain (59).
CRPS-I is characterized by the following features: pain, which may take the form of spontaneous pain, hyperalgesia and allodynia; movement disorders, both active and passive; abnormal sympathetic regulation in the form of blood flow and sweating abnormalities; edema and trophic changes to the involved tissues (Table 1).
The current diagnosis of CRPS-I and CRPS-II are mainly based on the patient's history and a careful and complete physical examination.
Patients with CRPS-I generally report a burning, spontaneous pain felt most prominently in the deep tissues of the distal part of the affected extremity.
(28) About 50% of patients with CRPS-I also develop hypoesthesia and hypoalgesia on the affected half of the body or in the upper quadrant, ipsilateral to the effected extremity.
Some evidence and several authors have proposed that a certain population of patients suffering from CRPS-I also experience a degree of sympathetically maintained pain (SMP).
This case study documents a reduction of pain and return of functional weight-bearing in a child with CRPS-I following the application of a conservative treatment approach to therapy including manipulation and nutritional modalities.
Oaklander's lab of 18 CRPS-I patients show 30% fewer small-fiber nerve endings in painful CRPS-affected areas.