Alien hand and complex regional pain syndromes during rehabilitation program
Beata Tarnacka 1  
,   Paweł Turczyn 2  
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Department of Rehabilitation, National Institute of Geriatrics, Rheumatology, Rehabilitation, Warsaw, Poland,
Department of Rehabilitation, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
Paweł Turczyn   

Department of Rehabilitation, Faculty of Medicine, Medical University of Warsaw, Spartańska 1, 02-637 Warsaw, Poland. Tel.: +48 507 182 831.
Submission date: 2020-04-20
Final revision date: 2020-09-27
Acceptance date: 2020-09-27
Online publication date: 2021-04-07
Alien hand syndrome (AHS) belongs to the group of asymmetrical movement symptoms that are a characteristic picture of neurodegenerative diseases such as corticobasal degeneration syndrome (CBS). Changes in the musculoskeletal system such as dystonia, bradykinesia and myoclonus may also occur in the subacute stage of complex regional pain syndrome (CRPS) type I.

To learn about difficulties related to diagnosis and rehabilitation of a patient with AHS and CRPS type I complicated by an upper limb fracture.

Case study:
A case of a patient admitted to the rehabilitation department with compulsive unilateral involuntary groping and grasping movements of the left hand for about half a year is presented. The woman has been suspected of CBS. A few months after the diagnosis, the patient was admitted to the rehabilitation ward, where she suffered an elbow fracture during exercise. Two months after fracture, type I CRPS was diagnosed.

Results and discussion:
AHS in CBS and CRPS type I may have a similar clinical picture, which makes differentiation difficult. It is very rare that both diseases coexist with each other. They can also lead to a number of unwanted symptoms such as limb fractures.

CRPS may increase the symptoms of dystonia due to other causes. Patients with AHS and dystonia are more likely to break because of rapid movements alone or because of immobilization and osteoporotic changes. As a result, treatment and rehabilitation cannot be based on a questionable diagnosis of a neurological syndrome.

None declared.
None declared.
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