• Journal of Korean Foot and Ankle Society
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• v.19 no.2
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• pp.63-68
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• 2015

Purpose: The purpose of this study was to report impacts of the amount of displacement of percutaneous osteotomy on the clinical and radiologic results in the treatment of bunionette deformities. Materials and Methods: We retrospectively reviewed 36 cases of bunionette deformities treated with percutaneous modified Kramer osteotomies from 2009 to 2013. We measured amounts of displacement on anteroposterior and lateral plain radiographs as well as multiple parameters which represent degrees of the bunionette deformities. We also recorded radiological healing time, clinical healing time, residual symptoms, and the time of returning to daily activity. Results: No meaningful correlation was found between severity of preoperative deformity and amount of displacement of the osteotomy. The amount of displacement on a horizontal plane did not affect the healing time, duration of symptoms, or time of returning to daily activity. However, large sagittal displacement was related to duration of postoperative symptoms. Conclusion: Findings of this study suggest that the displacement in percutaneous osteotomy for bunionette deformity does not affect clinical results and healing time. We believe that we do not need to be excessively cautious about how large the displacement we make during the percutaneous modified Kramer osteotomy for the bunionette deformity.

• Journal of Korean Foot and Ankle Society
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• v.7 no.1
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• pp.101-108
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• 2003

Purpose: To evaluate and analyze the incidence, clinical features, cause and surgical outcomes of iatrogenic hallux varus deformity after hallux valgus surgery. Materials and Methods: Twenty-six Hallux varus deformities after hallux valgus surgery were evaluated. Clinical tolerability, patient's satisfaction and the main causative factor for varus deformity were evaluated. Radiologically, we measured the 1st intermetatarsal angle and hallux valgus angle on pre- & postoperatively. Results: 10 cases of 26 varus deformities were clinically intolerable. The patients complaint of mainly cosmetic and shoe fitting problems rather than pain and the main cause of deformities were over-correction of 1 st intermetatarsal angle. Radiologically, the average 1st intermetatarsal angle was 2.4 degrees and the hallux valgus angle was -9.2 degrees. After varus correction surgery, the average follow up were 17 months and the average 1st intermetatarsal angle was 2.3 degrees and the hallux valgus angle was 2.7 degrees. The average score of AOFAS Hallux Metatarsophalangeal -Interphalangeal Scale was 91 points. Conclusion: The hallux varus deformity after hallux valgus surgery came from mainly overcorrection of 1 st intermetatarsal angle. The management composed of just observation, tendon transfer and fusion, and each method could get satifactory results with appropriate indication.

• Physical Therapy Korea
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• v.14 no.2
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• pp.85-90
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• 2007

In many manufacturing occupations, industrial workers reported foot or lower leg problems such as discomfort, pain or orthopedic deformities. This study investigated the effects of two different working conditions upon assembly worker's perception of discomfort and foot pain associated with various body parts. Twenty-three male volunteers performed work in the factory. Ergonomic intervention has been to modify the flooring in an attempt to alleviate the problems associated with constrained standing and walking work. The worker's standing conditions consisted of standing on a hard floor while wearing shoe insoles. Questions were asked regarding body discomfort and foot pain. Significant differences in body discomfort and foot pain were found when comparing the overall effects of wearing shoe insoles on a hard floor (p<.05). This investigation indicated that shoe insoles reduced body discomfort and foot pain (p<.05).

• Journal of Korean Foot and Ankle Society
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• v.5 no.2
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• pp.165-169
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• 2001

Cavovarus deformities of both feet in 28 years old female patient with Charcot-Marie-Tooth disease were treated by one-staged pantalar arthrodesis. Excellent results were achieved at 6 years after surgery. She could walk without brace or stick and she was satisfied with the result of one-staged pantalar arthrodesis. One-stage pantalar arthrodesis is an effective method of treatment for cavovarus deformity of foot in Charcot-Marie-Tooth disease.

• Journal of Korean Foot and Ankle Society
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• v.8 no.2
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• pp.208-212
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• 2004

There have been many reports about surgical treatments of flexible flatfoot in children and acquired adult flatfoot deformity due to posterior tibial tendon dysfunction common in the 5th and 6th decades. However there has been a controversy for surgical treatment guideline for painful idiopathic flexible flatfoot deformities in young adults. Therefore, we present a 27-year-old female with severe painful idiopathic flexible flatfoot who was treated with medial sliding calcaneal osteotomy and subtalar arthroereisis using $Kalix^{(R)}$ (Newdeal SA, Vienne, France) endoprosthesis and had good clinical outcome with high patient satisfaction at 10 months follow-up postoperatively.

• Journal of Korean Foot and Ankle Society
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• v.1 no.2
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• pp.126-131
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• 1997

Hallux valgus is a hereditary deformity whose natural history is influenced by intrinsic and extrinsic factors. The deformity is infrequently noticed in newborns and infants because of its trivial nature that does not draw attention. Because in childhood and adolescence this deformity usually does not lead to functional disability, it is seldom treated actively. Opinions differ concerning the causal relationship of these deformities and appropriate treatment. It is clear, however, that the deviated great toe continues to deform, and leads to a chain of anatomical and functional changes. Thus, the advantages of the immediate treatment is obvious, especially in infancy, when the foot is supple. We are reporting one case of congenital hallux valgus with brief review of literature.

• Archives of Reconstructive Microsurgery
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• v.16 no.2
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• pp.113-118
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• 2007

Purpose: The purpose of this work was to describe the results of treatment for motor vehiclerelated crushing injuries among children and adolescents under sixteen years in Korea. Materials and Methods: A retrospective analysis was conducted of data from children who were under sixteen year and injured foot by motor vehicles. Cases were documented 1) age at the time of injury, 2) injured site, 3) the area of accident, 4) the kind of vehicle, 5) associated injuries, 6) methods of treatment for soft tissue reconstruction and 7) complications. The relationships between the area of accident and associated injuries, and the kind of vehicle and associated injuries were analyzed using Chi-square test and Fisher exact test. Results: There were 97 children who were 15 year and younger. The mean age was 7.4 years, and 65% were boys. The left foot was more dominant side of injury (57%). Seasonal variation was seen with the number of injuries peaking during the summer (43%, p<0.05). Among the vehicles, 78.3% were the large vehicles (bus, truck or van). The where of accident was more frequent at an alley or less than two lanes of traffic. But, the relationships between the place of accident and associated injury or the kind of vehicles and associated injury were not statistically significant. The associated injury were fracture or dislocation (23 cases, 35.9%), injury of tendon (21 cases, 32.8%). There were amputation or disarticulation of foot in 8 cases (8.2%) and post-traumatic deformities such as flatfoot, hindfoot varus or valus deformities by tendon injury in 7 cases (7.2%). Conclusion: More than 50% of crushing or degloving injuries of child's foot by traffic accidents happened in boys between 5 to 9 years old. The associated injury was unrelated with size of vehicles or accident place at the time of accident. But, even though foot injury happened in an alley or one lane by small vehicles, child who hurt feet by car need thorough investigation about associated injury. If a surgeon keep in mind and treat child to associated injury necessarily, can minimize complication. Microsurgical reconstruction for soft tissue defect was prior to other methods.

• Journal of Korean Foot and Ankle Society
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• v.17 no.1
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• pp.11-16
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• 2013

Freiberg's disease is a osteochondrosis of a metatarsal head that is recognized as primarily a disorder of the second metatarsal. It is seen more often in girls. Pain and limitation of motion of the affected joint is the predominant clincal feature. The radiographic appearance demonstrates from osteosclerosis in the early stage to osteolysis with collapse in the later stage. Conservative therapy may take the form of rest, a stiff shoe, and even a cast support to decrease the stress across the joint. Surgical intervention may also be of benefit. Surgery have been attempted either to modify the diseae process or to salvage the situation once the metatarsophalangeal joint develops degenerative changes. Metatarsophalangeal joint instability is common cause of forefoot pain that can develop in association with a traumatic episode and inflamatory tissue disorders as well as neighboring toe deformities. The second ray is by far the most frequently involved. The diagnosis can be made by clinical observation and physical examination including drawer test. Many surgical procedures have beem recommended when conservative treatment has failed. Procedures described range from soft tissue releases and tendon trasfer to the direct plantar plate repair combined with a Weil osteotomy.

• Journal of Electrodiagnosis and Neuromuscular Diseases
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• v.20 no.2
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• pp.119-123
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• 2018

A 14-year-old student presented with a 2-year history of progressive left foot deformity. High elevated medial arch, hindfoot varus deformity and second to fourth claw toes were idenfied in the left foot without a familial history. Neurologic examinations showed left distal lower extremity weakness and bilateral increased deep tendon reflexes. MRI of whole spine demonstrated thickened filum terminale and spinal defect covered with pulled skin which findings consistent with tethered cord syndrome (TCS). He was referred to neurosurgery department and had a detethering operation of the spinal cord. Two years later, he underwent foot surgery because his foot deformity progressed despite the detethering operation. It is very rare for TCS to present with pes cavus as the only symptom, also in Korea. We suggest that TCS should be considered as one of the differential diagnoses associated with unilateral pes cavus in adolescence so as not to miss the proper period of surgery.

• Journal of Korean Foot and Ankle Society
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• v.24 no.3
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• pp.113-119
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• 2020

Purpose: A flatfoot that fails to form a longitudinal foot arch is a common lower limb deformity in children. This study evaluated the structural and functional effects of the insole for pediatric flexible flat foot (PFFF). Materials and Methods: Twenty-nine PFFF patients (20 boys and 9 girls, 58 feet) with bilateral symptomatic flatfoot deformities between February 2017 and May 2019 were included in this study. Sixteen patients (32 cases, study group) were treated with a pressured based 3-dimensional printing insole, and 13 patients (26 cases, control group) were followed up regularly without any treatment. Flatfoot was diagnosed by a lateral talo-first metatarsal angle of more than 4° in convex downward and talocalcaneal angles of more than 30° and a calcaneal pitch of less than 20°. The foot pressures, including the midfoot pressure, total foot pressure, and the ratio of the midfoot pressure to the total foot pressure, were evaluated by pedobarography. The clinical scores were assessed using the visual analogue scale (VAS), American Orthopaedic Foot and Ankle Society (AOFAS), and Pediatrics Outcomes Data Collection Instrument (PODCI) scores. Results: The mean age of the study group was 9.16 years, and the mean age of the control group was 7.73 years. The mean follow-up period was 16 months. The change in the lateral talocalcaneal angle was -4.664°±1.239° in the study group and -0.484°±1.513° in the control group. A significant difference in the amount of change of the lateral talocalcaneal angle was observed between the two groups (p=0.034). The midfoot pressures were similar in the two groups. Conclusion: Pressure based customized 3-dimensional printing insole in PFFF may have some effect on the hindfoot bony alignment, but it does not affect the changes in midfoot pressure.