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RELATIONSHIP BETWEEN PROPRIOCEPTION AT THE KNEE JOINT AND GAIT ATAXIA IN HSAN III

Identifieur interne : 000328 ( Pmc/Corpus ); précédent : 000327; suivant : 000329

RELATIONSHIP BETWEEN PROPRIOCEPTION AT THE KNEE JOINT AND GAIT ATAXIA IN HSAN III

Auteurs : Vaughan G. Macefield ; Lucy J. Norcliffe-Kaufmann ; Felicia B. Axelrod ; Horacio Kaufmann

Source :

RBID : PMC:3694996

Abstract

Hereditary sensory and autonomic neuropathy type III features a marked ataxic gait that progressively worsens over time. We assessed whether proprioceptive disturbances can explain the ataxia. Proprioception at the knee joint was assessed using passive joint angle matching in 18 patients and 14 age-matched controls; 5 patients with cerebellar ataxia were also studied. Ataxia was quantified using the Brief Ataxia Rating Score, which ranged from 7 to 26/30. Neuropathy patients performed poorly in judging joint position: mean absolute error was 8.7±1.0° and the range was very wide (2.8–18.1°); conversely, absolute error was only 2.7±0.3° (1.6–5.5°) in the controls and 3.0±0.2° (2.1–3.4°) in the cerebellar patients. This error was positively correlated to the degree of ataxia in the neuropathy patients but not the cerebellar patients, suggesting that poor proprioceptive acuity at the knee joint is a major contributor to the ataxic gait associated with hereditary sensory and autonomic neuropathy type III.


Url:
DOI: 10.1002/mds.25482
PubMed: 23681701
PubMed Central: 3694996

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