• 대한족부족관절학회지
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• 제9권1호
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• pp.64-68
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• 2005

Purpose: The purpose of this study was to evaluate the outcome of Ludloff osteotomy for treatment of hallux valgus with regard to patient satisfaction and clinical and radiological results. Materials and Methods: 43 feet of 28 patients underwent Ludloff osteotomy between January 2003 and August 2003. 21 patients (32 feet) who were available for follow up for more than one year were enrolled in this study. Average follow up period was 16 months. All patients were female and the average age was 51 years ranging 28 years to 72 years. Patient satisfaction was assessed and VAS (Visual Analogue Scale) was used for subjective outcome, AOFAS (American Orthopaedic Foot and Ankle Society) score and presence of metatarsalgia were used for clinical outcome, and hallux valgus angle and intermetatarsal angle were used for radiological outcome assessment. Results: Patient satisfaction regarding cosmesis was excellent in 6 cases, good in 21 cases, fair in 4 cases and poor in 1 case. VAS was improved from preoperative 6 points to postoperative 2 points and AOFAS score was improved from preoperative 53 points to postoperative 82 points. Metatarsalgia was observed in 18 cases preoperatively and 9 cases postoperatively. HVA and IMA were 35.8 and 15.2 degrees preoperatively, 12.5 and 6.6 degrees at 3 months follow up, and 13.2 and 7.1 degrees at last follow up respectively. At the last follow up, loss of angle of correction for HVA was 0.7 degrees and for IMA was 0.5 degrees. Conclusion: Ludloff osteotomy is an appropriate surgery of moderate to severe hallux valgus.

• 대한족부족관절학회지
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• 제23권4호
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• pp.154-158
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• 2019

Purpose: This study compared the radiographic and clinical outcomes of simultaneous bilateral short scarf osteotomy with those of unilateral short scarf osteotomy in hallux valgus patients. Materials and Methods: The authors undertook a retrospective chart and radiographic review between January 2015 and June 2017 to identify 15 patients (30 cases, group A) who underwent a simultaneous bilateral short scarf osteotomy. The patients were matched with 30 patients (30 cases, group B) with a unilateral short scarf osteotomy. No significant preoperative differences were observed between the two groups in terms of age, gender, American Orthopaedic Foot and Ankle Society (AOFAS) hallux score, and radiographic parameters. The clinical and radiographic follow-up was carried out at three months and one year. Results: Hallux valgus angles in groups A and B were reduced from the mean preoperative values of 32.5° and 34.7° to 12.5° and 12.2° at 12 months, respectively. The first-second intermetatarsal angles in groups A and B were also reduced from the mean preoperative values of 14.2° and 16.5° to 7.4° and 7.3° at 12 months, respectively. No significant inter-group differences in radiographic outcomes were observed. After three months, the patients in group A reported significantly worse mean pain and functional scores than group B. The mean AOFAS hallux score was higher in group B at the three-month follow-up, but this difference disappeared at the one-year followup. Conclusion: Simultaneous bilateral surgery can be offered to patients with a hallux valgus deformity requiring correction. On the other hand, they should be informed of the long recovery period.

• 대한족부족관절학회지
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• 제11권1호
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• pp.23-27
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• 2007

Purpose: Scarf osteotomy can provide the simultaneous correction of the hallux valgus angle (HVA), 1-2 intermetatarsal angle ($IMA_{1-2}$), DMAA and the plantar displacement of the fragment. The study was conducted to understand the multi-dimensional correction of the hallux valgus. Materials and Methods: Fourty eight patients who had undergone Scarf osteotomy with hallux valgus at more than $30^{\circ}$ of HVA and more than $15^{\circ}$ of $IMA_{1-2}$ were studied. Before an osteotomy, a reference K-wire was inserted to the 1st metatarsal head. After the osteotomy, the plantar fragment was moved laterally and the proximal end of the fragment was forced beyond the distal end which resulted in an internal rotation of the head fragment to correct the DMAA. Results: The HVA improved an average of $33.3^{\circ}$ to $7.7^{\circ}$ with the IMA1-2 respectively from $15.4^{\circ}$ to $6.5^{\circ}$. The DMAA improved an average of $19.5^{\circ}$ ($5.2-30.9^{\circ}$) to $4.5^{\circ}$ ($0.4-13.8^{\circ}$). By checking the angle, which was at an average of $25^{\circ}$ between the plantar surface of the foot and the osteotomy plane, the average distance of 1.9 mm (1.18-3.1 mm) of plantar displacement was measured using the value of sine (sin 25 = 0.422). Conclusions: It is possible to correct the HVA, IMA1-2 and DMAA simultaneously with one osteotomy making the lateral shift, the internal rotation and the plantar displacement of the plantar head fragment as desired. Despite the technicality and difficulty of the Scarf osteotomy, once familiarized through myriad procedures, all disadvantages are outweighed by the success and satisfaction of both patient and surgeon.

• 대한족부족관절학회지
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• 제11권1호
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• pp.115-119
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• 2007

Avascular necrosis of the first metatarsal head is uncommon. It is most often seen following a distal metatarsal osteotomy for hallux valgus. Although many cases may be subclinical, it is a powerful cause of failure of bunion surgery. Avascular necrosis of the first metatarsal head results in a series of events that begins with phases of avascularity; revascularization, with or without collapse; and reossification. Collapse may result in degenerative change of the metatarsophalangeal joint. We have recently experienced a case of avascular necrosis of the first metatarsal head.

• 대한족부족관절학회지
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• 제8권2호
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• pp.138-141
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• 2004

Purpose: The purpose of this study was to document the results of fixation with ethibond suture in akin osteotomy and its advantages. Materials and Methods: From May 2001 to January 2004, Akin osteotomy was performed in 218 patients. We reviewed 110 patients (114 feet) who were possible radiographic evaluation more than 6 months after operation. 110 feet had hallux valgus and 4 feet had hallux valgus interphalangeus. 105 patients were female and 5 were male. The average age was 43.8 years old (18 to 68 years old). The average follow up was 9 months (6 to 23 months). After performing the Akin osteotomy at 7 mm from the proximal articular surface of the proximal phalanx, one hole is made on either side of the osteotomy site with a K-wire. The passer was passed through the both holes and the ethibond was passed. And then, the ethibond was tied tightly. 2 sutures in 66 feet and 1 suture in 48 feet were made. Radiographic bone union at 6 months follow up was regarded as success and loss of the reduction, nonunion was regarded as failed. Results: In the radiographic evaluation, bony union were made at 6 months follow up in all feet. There was no difference between 2 sutures and 1 suture, and the knots were removed in 3 feet because of skin irritation. Conclusion: The fixation of the osteotomy site using suture material was an effective method in Akin osteotomy. The advantage of this procedure was unnecessity of the material removal.

• 대한족부족관절학회지
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• 제8권2호
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• pp.199-203
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• 2004

Purpose: We report a case that iatrogenic dorsiflexion deformity after hallux valgus surgery treated successfully with crescenteric plantar flexion metatarsal osteotomy. Materials and Methods: 43 years old female who suffered from left fore foot pain and deformity after hallux valgus surgery was evaluated. Results: Preoperatively she did not put on ordinary shoes and had had persistent pain and discomfort on 1st metatarsal area. She also had a callus on plantar surface of 2nd metatarsal head. Simple AP and Lateral x-ray identified that 1st metatarsal bone had a 23 degree dorsiflexion deformity. For correction of deformity, plantarflexion crescenteric osteotomy was performed on proximal 1st metatarsal area. After operation, All of symptom eliciting patient was gone and 43 points of AOFAS scale preoperatively improve 100 points and the patient very satisfied. Post operative x-ray was showing complete correction of deformity. Conclusion: As a treatment of iatrogenic dorsiflexion deformity after hallux valgus surgery, the crescenteric plantar flexion osteotomy can be good and safe modality for correction.

• 대한족부족관절학회지
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• 제10권2호
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• pp.238-241
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• 2006

Purpose: The purpose of this study was to figure out the appropriate and systemic insurance charge for the hallux valgus operations. Materials and Methods: 5 Hospitals for hallux valgus operations were analyzed how they have been charging the national health insurance corporation for their operation fees and how to use the estimated guide and authoritive interpretation through the guide book of health insurance medical treatment grant expense and the guide book of Health insurance medical treatment. Results: There are nothing for guiding principle of hallux valgus operations in both books but a guide of Mcbride operation which is approved 'JA-93-KA and JA-31' for operation fee. So majority of hospitals have charged operation fee depending on their own interpretations they like. According to the guide books, there was a authoritive interpretation that simultaneous operation of osteotomy and tendon transfer for cerebral palsy and flat foot can be eatimated as 'osteotomy+JA-93-NA'. Conclusion: Distal soft tissue procedure should be approved as 'JA-93-NAx100%+JA-31x50%' according to the the estimated guide and authoritive interpretation if transected adductor hllucis is transfered to first metatarsal head. So distal chevron osteotomy could be 'JA-30-1-RAx100%+JA-31x50%', proximal metatarsal osteotomy could be 'JA- 93-NAx100%+JA-31-50%+JA-30-1-RAx50%', first metatarsocuneiform joint arthrodesis could be 'JA-93-NAx100%+ JA-31x50%+JA-73-RAx50%'.

• 대한족부족관절학회지
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• 제21권1호
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• pp.1-6
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• 2017

Purpose: The purpose of this study was to analyze the clinical results of medial horizontal suture fixation of Akin osteotomy in hallux valgus and present its advantages. Materials and Methods: This study was based on 48 cases of 35 patients with Akin osteotomy, who underwent surgery of hallux valgus between December 2014 and July 2015, and with at least 12 months of follow-up. The mean age of patients was 46.9 years (range, 16~71 years). The mean follow-up duration was 15.9 months (range, 12~18 months). Clinical evaluations included pain visual analogue scale (VAS) score, American Orthopaedic Foot and Ankle Society (AOFAS hallux metatarsophalangeal interphalangeal scale) score, and satisfaction score. Weightbearing anteroposterior radiographs were taken to measure the distal articular set angle (DASA) of the hallux. Radiographic bone union at 6 months follow-up was regarded as a success, while a loss of reduction and nonunion was regarded as a failure. Results: The mean pre- and postoperative pain VAS scores were 4.27 and 1.67, respectively (p<0.05). The mean AOFAS score improved from 59.7 to 80.5 (p<0.05). The DASA was improved from 8.15 to -2.57 (p<0.05). There was no case of skin irritation, cortical breakage, inflammation from the knot, and infection. All patients showed union without fixation failure. Conclusion: The clinical and radiological evaluations in this study demonstrate reliable results without complication. The medial horizontal suture fixation of the Akin osteotomy was effective, and the advantage of this procedure was unnecessity of the material removal, preservation of the joint, and no skin irritation.

• 대한족부족관절학회지
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• 제11권2호
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• pp.160-165
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• 2007

Purpose: Good results using minimal invasive hallux valgus surgery has been reported recently. We evaluate the usefulness of linear distal metatarsal osteotomy with minimal skin incision in mild and moderate hallux valgus deformity. Materials and Methods: Twenty-eight patients (thirty-one cases) who had mild to moderate hallux valgus deformity and underwent linear distal metatarsal osteotomy using minimal skin incision were evaluated between February 2005 and February 2006. Hallux-metatarsophalangeal-interphalangeal scale of AOFAS (American Orthopaedic Foot and Ankle Society) score was used as clinical evaluation. Preoperative, postoperative, after pin removal, and final follow up plain radiographs were used as radiologic evaluation. Results: Twenty-six cases (83%) among thirty-one cases showed more than average satisfaction, Average AOFAS score were improved from 63.2 points (range 45-74 points) to 86.4 points (range 67-93 points). Preoperative radiologic index of IMA $14.0^{\circ}$ (range $10-18^{\circ}$), HVA $30.2^{\circ}$ (range $19-39^{\circ}$), DMAA $13.8^{\circ}$ (range $5-23^{\circ}$) were improved postoperatively as IMA $8.3^{\circ}$ (range $5-10^{\circ}$), HVA $10.5^{\circ}$ (range $2-20^{\circ}$), DMAA $7.2^{\circ}$ (range $0-14^{\circ}$) correctively. Mean operative time was 15.5 minutes (range 11-18 minutes) and mean operative time was 5.6 days (range 2-8 days). Conclusion: Despite small skin incision and short operative time and admission period, linear distal metatarsal osteotomy with minimal skin incision showed similar results with conventional distal metatarsal osteotomy. Thus, it was thought to be useful operation in mild and moderate hallux valgus deformity.

• 대한족부족관절학회지
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• 제1권1호
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• pp.5-11
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• 1997

국립의료인 정형외과에서 최근 10 년간 경도 및 중등도의 변형을 보인 무지외반증에 대해, 원위 연부조직 교정술을 시행받은 환자 12명, 20례(1군)와 원위 연부조직 교정술 및 근위 중족골 절골술을 시행받은 환자 6명, 9례 (2군)를 최초 6개월 이상 추시하여 다음과 같은 결과를 얻었다. 1. 최종 추시상 주관적 평가 및 합병증의 유무에 있어서 두 군간에 유의한 차이는 없었다. 환자의 주관적 만족도는 1군 80%, 2군 78%에서 만족으로 분류되었다. 2. 술전 무지외반각 및 중족골간각은 1군에서 평균 30.6도, 12.5도 였으며 수술 직후 각각 7.3도, 10.4도로 호전되었다. 술전 2군에서 평균 32.5도, 12.4도 였으며 순술 직후 각각 8.0도, 10.1도로 호전되었다. 두 군간에 유의한 차이는 없었다. 3. 최종 추시 상 교정각의 소실은 무지외반각의 경우 1군에서 평균 8.7도, 2군에서 평균 10.9도 로서 두 군 간에 유의한 차이는 없었다. 또한 중족골간각 친정의 소실은 1관에서 평균 0.4도, 2군에서 평균 2.7도 였다. 그러므로 중등도 이하의 변형을 보이는 무지외반증에서 원위 연부조직 교정술에 추가한 근위 절골술은 별다른 잇점이 없었다.