Toshito Yasuda

Learn More
UNLABELLED We analyzed the relationship between the 1-year and greater than 3-years results of a distal soft tissue procedure with a proximal osteotomy for hallux valgus in the same patient population. The series consisted of 55 feet treated with this procedure. The results at 1 year and greater than 3 years were evaluated. The final followup was greater(More)
BACKGROUND It is unknown whether postoperative incomplete reduction of the sesamoids is a risk factor for the recurrence of hallux valgus. The purpose of the present study was to clarify the relationship between the postoperative relative sesamoid position and the recurrence of hallux valgus. METHODS Dorsoplantar weight-bearing radiographs of sixty normal(More)
BACKGROUND We compared the results of a distal soft-tissue procedure with a proximal crescentic osteotomy of the first metatarsal for moderate and severe hallux valgus. MATERIALS AND METHODS The series consisted of 54 feet treated with this procedure. The average followup was 30 months. Fifty-four feet were divided into two groups including Group M(More)
BACKGROUND Surgical treatment of adolescent hallux valgus has been a challenging intervention because of high rates of postoperative recurrence. The purposes of this study were to describe a proximal abduction-supination osteotomy of the first metatarsal and prospectively review preliminary results of this procedure for correction of adolescent hallux(More)
BACKGROUND Radiographic measurements such as those of the hallux valgus angle and the intermetatarsal angle are essential parameters for assessing the severity of hallux valgus deformities and the extent of surgical correction required. However, to our knowledge, no study has investigated the reliability of the measurements that are made radiographically(More)
BACKGROUND The details of the occurrence of tarsal tunnel syndrome in athletes have not been well documented in the literature, and more data on tarsal tunnel syndrome related to sporting activity are necessary to enable better recognition of this condition. HYPOTHESIS Sporting activities make athletes vulnerable to the occurrence of tarsal tunnel(More)
BACKGROUND There are few studies that have assessed the influence of focal chondral lesions on the results of ligament reconstruction for chronic lateral ankle instability. HYPOTHESIS Focal chondral lesions do not influence the results of ligament reconstruction. STUDY DESIGN Case series; Level of evidence, 4. METHODS Arthroscopic examination of the(More)
BACKGROUND The gap between the tendon stumps in chronic Achilles tendon rupture has reportedly been filled with interposed scar tissue. In the authors' clinical experience, this interposed tissue is often thick and resists tension, so they considered it was possible to use the interposed tissue for reconstruction of Achilles tendon rupture. HYPOTHESIS(More)
BACKGROUND The relationship between the shape of the first metatarsal head and hallux valgus deformity remains controversial. The purpose of the present study was to retrospectively analyze differences in the radiographic appearance of the shape of the lateral edge of the first metatarsal head between women with normal feet and those with hallux valgus and(More)
BACKGROUND Postoperative recurrence of hallux valgus is a common complication. We hypothesized that patients who are at higher risk for recurrence of hallux valgus following a proximal metatarsal osteotomy could be recognized preoperatively and at the early follow-up on the basis of their radiographic evaluation. The purpose of this study was to clarify the(More)