Sensory manifestations in Charcot-Marie-Tooth disease

Involvement of sensory nerves in Charcot‐Marie‐Tooth (CMT) disease is well known, however, sensory symptoms are usually overlooked. To assess the frequency and features of sensory symptoms in a cohort of patients with CMT, we investigated in a prospective study 52 consecutive CMT patients, diagnosed...

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Veröffentlicht in:Journal of the peripheral nervous system 2004-03, Vol.9 (1), p.7-14
Hauptverfasser: Gemignani, Franco, Melli, Giorgia, Alfieri, Sara, Inglese, Cristina, Marbini, Adriana
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creator Gemignani, Franco
Melli, Giorgia
Alfieri, Sara
Inglese, Cristina
Marbini, Adriana
description Involvement of sensory nerves in Charcot‐Marie‐Tooth (CMT) disease is well known, however, sensory symptoms are usually overlooked. To assess the frequency and features of sensory symptoms in a cohort of patients with CMT, we investigated in a prospective study 52 consecutive CMT patients, diagnosed on the basis of clinical, neurophysiological, and genetic features and classified in CMT type 1 (CMT1) (20 patients, including 14 with CMT1A) and CMT type 2 (CMT2) (32 patients). Positive sensory symptoms were reported by 28 patients (54%), including neuropathic pain in 6 patients. Pain, either neuropathic or nociceptive, was present in 29 patients (56%) and in 15 patients as a main symptom. Positive sensory symptoms were present in 24 of 32 CMT2 patients (75%) and in 4 of 20 CMT1 patients (20%) (p 
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To assess the frequency and features of sensory symptoms in a cohort of patients with CMT, we investigated in a prospective study 52 consecutive CMT patients, diagnosed on the basis of clinical, neurophysiological, and genetic features and classified in CMT type 1 (CMT1) (20 patients, including 14 with CMT1A) and CMT type 2 (CMT2) (32 patients). Positive sensory symptoms were reported by 28 patients (54%), including neuropathic pain in 6 patients. Pain, either neuropathic or nociceptive, was present in 29 patients (56%) and in 15 patients as a main symptom. Positive sensory symptoms were present in 24 of 32 CMT2 patients (75%) and in 4 of 20 CMT1 patients (20%) (p &lt; 0.001); there was a presenting manifestation in 11/32 CMT2 patients vs. 1/20 in CMT1 patients (p = 0.018), and one of the main features in 6/32 CMT2 patients vs. 1/20 CMT1 patients. Frequency of positive sensory symptoms in CMT1A patients was similar to that of the entire CMT1 group. Within the CMT2 group, patients with positive sensory symptoms as a main or onset feature (11 patients) had significantly later onset (median 57 vs. 25 years; p = 0.042) and less severely impaired motor action potentials than CMT2 patients without positive sensory symptoms (8 patients). Nociceptive pain was especially frequent in CMT1A patients (10/14, 71%). Sensory manifestations in CMT seem more frequent than previously thought, especially in CMT2; however, their frequency may be different in the genetic subtypes of the disease and/or an expression of phenotypic variability. 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Within the CMT2 group, patients with positive sensory symptoms as a main or onset feature (11 patients) had significantly later onset (median 57 vs. 25 years; p = 0.042) and less severely impaired motor action potentials than CMT2 patients without positive sensory symptoms (8 patients). Nociceptive pain was especially frequent in CMT1A patients (10/14, 71%). Sensory manifestations in CMT seem more frequent than previously thought, especially in CMT2; however, their frequency may be different in the genetic subtypes of the disease and/or an expression of phenotypic variability. 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To assess the frequency and features of sensory symptoms in a cohort of patients with CMT, we investigated in a prospective study 52 consecutive CMT patients, diagnosed on the basis of clinical, neurophysiological, and genetic features and classified in CMT type 1 (CMT1) (20 patients, including 14 with CMT1A) and CMT type 2 (CMT2) (32 patients). Positive sensory symptoms were reported by 28 patients (54%), including neuropathic pain in 6 patients. Pain, either neuropathic or nociceptive, was present in 29 patients (56%) and in 15 patients as a main symptom. Positive sensory symptoms were present in 24 of 32 CMT2 patients (75%) and in 4 of 20 CMT1 patients (20%) (p &lt; 0.001); there was a presenting manifestation in 11/32 CMT2 patients vs. 1/20 in CMT1 patients (p = 0.018), and one of the main features in 6/32 CMT2 patients vs. 1/20 CMT1 patients. Frequency of positive sensory symptoms in CMT1A patients was similar to that of the entire CMT1 group. Within the CMT2 group, patients with positive sensory symptoms as a main or onset feature (11 patients) had significantly later onset (median 57 vs. 25 years; p = 0.042) and less severely impaired motor action potentials than CMT2 patients without positive sensory symptoms (8 patients). Nociceptive pain was especially frequent in CMT1A patients (10/14, 71%). Sensory manifestations in CMT seem more frequent than previously thought, especially in CMT2; however, their frequency may be different in the genetic subtypes of the disease and/or an expression of phenotypic variability. Sensory symptoms, and in particular pain, may represent an important issue in the management of CMT patients, especially in a physical medicine approach.</abstract><cop>Oxford, UK; Malden , USA</cop><pub>Blackwell Science Inc</pub><pmid>14871449</pmid><doi>10.1111/j.1085-9489.2004.09103.x</doi><tpages>8</tpages></addata></record>
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subjects Adult
Age of Onset
Aged
Aged, 80 and over
Charcot-Marie-Tooth disease
Charcot-Marie-Tooth Disease - genetics
Charcot-Marie-Tooth Disease - pathology
Charcot-Marie-Tooth Disease - physiopathology
CMT1
CMT2
Electrophysiology
Female
Humans
Male
Middle Aged
pain
Pain - physiopathology
paresthesia
positive sensory symptoms
Prospective Studies
Sensation Disorders - genetics
Sensation Disorders - pathology
Sensation Disorders - physiopathology
Sural Nerve - pathology
title Sensory manifestations in Charcot-Marie-Tooth disease
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