• 대한족부족관절학회지
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• 제20권2호
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• pp.73-77
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• 2016

Purpose: The purpose of this study was to evaluate the clinical outcome of a modified Kidner procedure using a suture bridge technique in symptomatic type II accessory navicular. Materials and Methods: Between January 2013 and December 2014, a total of 35 cases with symptomatic type II accessory navicular were treated with a modified Kidner procedure using the suture bridge technique. The patients were evaluated preoperatively, 3 months after surgery, and at the latest follow-up (at least six months postoperatively) clinically via the American Orthopaedic Foot and Ankle Society (AOFAS) midfoot score, visual analogue scale (VAS), and the self-subjective satisfaction score. Results: The mean AOFAS midfoot score demonstrated significant improvement from a mean of 45.3 preoperatively to a mean of 89.2 at 3 months after surgery. At the latest follow-up, the mean AOFAS midfoot score was 92.6 (p<0.001). The mean VAS also improved significantly, decreasing from 6.7 out of 10 preoperatively to 1.8 at 3 months after surgery. At the latest follow-up, the VAS was 1.2 (p<0.001). The mean time of a single-limb heel raise was 4.6 months postoperatively and the self-subjective satisfaction score was 1.4 out of 4 at the latest follow-up. Conclusion: The short-term surgical results of the modified Kidner procedure with a suture bridge technique for symptomatic type II accessory navicular were good to excellent in terms of pain, functional and clinical assessments. In conclusion, the modified Kidner procedure with the suture bridge technique is a reasonable treatment option for symptomatic type II accessory navicular.

• 대한족부족관절학회지
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• 제24권2호
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• pp.75-80
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• 2020

Purpose: The purpose of this study is to evaluate the results of Kidner procedure combined with medial displacement calcaneal osteotomy (MDCO) in patients with the symptomatic accessory navicular with hindfoot valgus. Materials and Methods: From January 2014 to January 2019, fifteen patients (15 cases) who had undergone a Kidner procedure combined with MDCO for symptomatic accessory navicular with hindfoot valgus were included. Their mean age was 36.3 years old (19~61 years old) and there were 6 males and 9 females. The clinical results were evaluated using visual analogue scale (VAS), American Orthopaedic Foot and Ankle Society (AOFAS) midfoot score, and postoperative subjective satisfaction. The radiographic results were evaluated using the talonavicular coverage angle and the anteroposterior talo-first metatarsal angle, the lateral talo-first metatarsal angle, the calcaneal pitch angle, and the hindfoot alignment angle. The postoperative complications were also evaluated. Results: The VAS and AOFAS midfoot scores continuously improved until 12 months after surgery. Subjective satisfaction after surgery was excellent in 10 cases and good in 5 cases. The hindfoot alignment angle significantly changed after surgery. Pain due to lateral impingement disappeared in five patients, and persisted in one patient. Five patients complained of irritation caused by their fixation devices, and all the symptoms improved after removal of the fixation devices. Conclusion: Kidner procedure combined with MDCO in patients with the symptomatic accessory navicular with hindfoot valgus showed good clinical results with satisfactory correction of hindfoot valgus. In particular, the clinical results showed continuous improvement until 12 months after surgery.

• 대한족부족관절학회지
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• 제11권2호
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• pp.244-247
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• 2007

Cause of flexible flat foot is predominantly idiopathic but pediatric flexible flatfoot is typically congenital. Neuromuscular disorders, tarsal coalition and prehallux are possible causes and there has been a controversy for diagnosis and surgical treatment guideline. Therefore we present 11-year old male with prehallux and flexible flat foot who was treated with Kidner procedure and subtalar arthroereisis using Kalix endoprothesis and reported good clinical outcome at 2-years follow up postoperatively.

• 대한정형외과스포츠의학회지
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• 제11권2호
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• pp.82-86
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• 2012

목적: 운동 선수 중 증상이 있는 부주상골에 대해 변형 Kidner 술식 후 5년이상 추시 관찰하였다. 대상 및 방법: 1999년 7월부터 2004년 12월까지 동통을 동반한 부주상골로 변형 Kidner 술식을 받은 후 5년이상 추적 관찰이 가능한 운동선수 22명(26족) 및 방사선학적 관찰이 가능한 9명(12족)에 대해 후향적 연구를 시행하였다. 모든 환자에 대한 술전 병력 검사 후 주관적 검사로서 미국 족부 정형외과 학회(American Orthopaedic Foot and Ankle Society, AOFAS) 중족부 평가, 시각 통증 척도(Visual Analogue Scale, VAS) 점수를 평가하였다. 술후 최종 추시에서 독립된 검사자가 AOFAS 중족부 평가, VAS 점수, 만족도를 조사하였다. 방사선학적 평가에 대해 술전과 최종 추시 관찰시의 기립 측면 방사선 사진에서 거골-제1중족골 간 각, 거종각, 종골 피치각을 측정하였다. 결과: 술전 AOFAS 점수는 평균 $40.1{\pm}7.5$점(32~57점), 최종 추시 관찰 평균은 $88.7{\pm}8.0$점(72~100점)으로 통계적으로 유의하게 증가하였다(p<0.01). 술전 VAS 점수는 평균 $7.0{\pm}0.9$점(5~9점), 최종 추시 관찰 평균은 $1.8{\pm}0.8$점(1~4점)으로 통계적으로 유의하게 감소하였다(p<0.01). 최종 추시 결과 11명은 매우 만족, 11명은 만족, 4명은 불만족으로 평균 만족도는 85%였다. Wilcoxon 검정상 거골-제1중족골간 각(p=0.67), 거종각(p=0.93) 종골 피치각(p=0.49)으로 수술 전 및 최종 추시 결과 사이에 유의한 차를 보이지 않았다. 결론: 증상이 있는 부주상골에 대한 변형 Kidner 술식 후 5년이상 중기 추시 결과 높은 만족도를 보였다.

• 대한족부족관절학회지
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• 제16권3호
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• pp.162-168
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• 2012

Accessory navicular is a congenital anomaly of the tuberosity of the navicular from a secondary ossification center. The accessory navicular is occasionally the source of pain and local tenderness over the medial side of midfoot. If conservative treatment fails for the painful accessory navicular, surgical treatment is required. There are several surgical option for accessory navicular, which vary from simple excision, percutaneous drilling, modified Kidner procedure and osteosynthesis of the accessory ossicle to the navicular body. In addition, symptomatic flatfoot deformity should be addressed concomitantly.

• 대한족부족관절학회지
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• 제14권1호
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• pp.36-40
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• 2010

Purpose: To investigate the results of surgical treatment of the symptomatic accessory navicular in adolescent. Materials and Methods: 11 patients who were 11-16 years old with symptomatic accessory navicular were identified between 2001 and 2009. Six cases were diagnosed after trauma and 8 cases were diagnosed by accident with painful bony protrusion on medial aspect of foot. In cases after at least 3 months of ineffective conservative treatment, patients were treated by resection of accessory navicular and reattachment of tibialis posterior tendon to the apex of the medial longitudinal arch using periosteum and ligamentous soft tissue without transposition of its course. And then short leg cast was applied for correction of the flat foot (if it is combined) which was molded into the longitudinal arch with the talonavicular joint released and foot inverted during about 6 weeks. Results: All were type II accessory navicular without tibialis posterior tendon lesions. In most cases pain was improved, results were excellent in seven and good in four. Calcaneal pitch angle and talus-first metatarsal angle was improved about $4.64^{\circ}$ and $5.79^{\circ}$ in average. Conclusion: Symptomatic accessory navicular in adolescent might not be associated with the tibialis posterior tendon lesions. The surgical treatment composed of excision of the accessory navicular with simple replication of the tibialis posterior tendon without altering its course led to good results in most cases. The procedure has a low rate of complications. And it is easy to be performed with a good satisfaction.

• 대한족부족관절학회지
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• 제15권4호
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• pp.212-216
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• 2011

Purpose: This study was designed to analyze the usefulness of Single Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) in diagnosing symptomatic accessory tarsal bones. Materials and Methods: Twenty four feet (16 patients) with symptomatic accessory navicular and/or os trigonum, who agreed to take SPECT/CT, were included in this study. Fifteen feet had accessory navicular, five had os trigonum, and four had both. According to the uptake in the SPECT/CT, 11 feet were classified into high and 13 into low uptake groups. The low uptake group was treated non-operatively, while the high uptake group received operations when initial conservative management failed. A modified Kidner procedure was performed for accessory navicular and arthroscopic excision was done for os trigonum. After a mean follow-up of 6.8 (range, 3~13) months, the American Orthopaedic Foot and Ankle Society (AOFAS) score and the Visual Analogue Scale (VAS) for pain were compared. Results: Patients in the high uptake group had a higher initial mean VAS score ($7.0{\pm}0.8$ vs $2.2{\pm}0.9$, p<0.05) and a lower initial mean AOFAS score ($45.9{\pm}9.2$ vs $83.9{\pm}4.2$, p<0.05) compared to the low uptake group. All patients in the low uptake group improved after non-operative treatment. Seven patients underwent operations and had a decreased VAS ($1.6{\pm}0.5$) and an increased AOFAS score ($88.3{\pm}1.8$) at the last follow-up. Four patients in the high uptake group demonstrated erratic symptoms. Conclusion: SPECT/CT can be a useful diagnostic tool and helpful in designing treatment plans for symptomatic accessory navicular and os trigonum.