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KMID : 0361420110350040499
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Journal of Korean Academy of Rehabilitation Medicine
2011 Volume.35 No. 4 p.499 ~ p.506
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Foot Deformity in Charcot Marie Tooth Disease According to Disease Severity
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Joo So-Young
Choi Byung-Ok
Choi Byung-Ok
Cho Sun-Young
Hwang Soo-Jin
Kim Deog-Young
Jung Soo-Jin
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Abstract
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Objective: To investigate the characteristics of foot deformities in patients with Charcot-Marie-Tooth (CMT) disease compared with normal persons according to severity of disease.
Method: Sixty-two patients with CMT disease were recruited for this study. The normal control group was composed of 28 healthy people without any foot deformity. Patients were classified into a mild group and a moderate group according to the CMT neuropathy score. Ten typical radiological angles representing foot deformities such as pes equinus and pes varus were measured. The CMT group angles were compared with those of the normal control group, and those of the mild group were also compared with those of the moderate group.
Results: The lateral (Lat.) talo-fi rst metatarsal angle, anteroposterior talo-fi rst metatarsal angle, Lat. calcaneal-fi rst metatarsal angle, Lat. naviocuboid overlap, Lat. calcaneal pitch, Lat. tibiocalcaneal angle, and Lat. talocalcaneal angle in the CMT group showed a signifi cant diff erence compared to the normal control group (p<0.05). These findings revealed CMT patients have pes cavus, forefoot adduction, midfoot supination and pes varus deformity. Compared to the mild group, the moderate group significantly showed an increased Lat. calcaneal pitch and decreased Lat. calcaneal-first metatarsal angle, Lat. tibiocalcaneal angle, Lat. talocalcaneal angle, and Lat. talofirst metatarsal angle (p<0.05). These findings revealed that the pes cavus deformity of CMT patients tend to be worse with disease severity.
Conclusion: The characteristic equinovarus foot deformity patterns in CMT patients were revealed and these deformities tended to be worse with disease severity. Radiographic measures may be useful for the investigation of foot deformities in CMT patients.
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KEYWORD
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Foot deformities, Radiography, CMT disease
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