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Results for “REFLEX, TENDON”

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[Changes in Achilles tendon reflex under influence of non endocrine factors].

Numerous physiopathological processes such as diurnal variations sex, age, pregnancy, muscular effort, diseases and drugs modify the Achilles reflexogram. Their multiplicity explains the difficulty of general interpretation of changes in the reflexogram which bring into play the energy reserves of the muscle cell and its potassium content.

Achilles Tendon↗

Why do some Friedreich's ataxia patients retain tendon reflexes? A clinical, neurophysiological and molecular study.

Among 101 patients homozygous for GAA expansion within the X25 gene, 11 from 8 families had Friedreich's ataxia with retained reflexes in the lower limbs (FARR). These patients had a lower occurrence of decreased vibration sense, pes cavus, and echocardiographic signs of left ventricular hypertrophy than the 90 FA patients with areflexia. The mean age at onset was significantly later (26.6+/-11.4 vs. 14.2+/-6.9 years), and the mean size of the smaller allele was significantly less (408+/-252 vs. 719+/-184 GAA triplets) in FARR patients. The neurophysiological findings were consistent with milder peripheral neuropathy and milder impairment of the somatosensory pathways in FARR patients.

Adult↗