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PubMed2005

Clinical results of modified Mitchell's osteotomy for hallux valgus augmented with oblique lesser metatarsal osteotomy.

PURPOSE: To evaluate postoperative results of modified Mitchell's osteotomy and its combination with oblique metatarsal osteotomy for the treatment of hallux valgus. METHODS: A total of 93 feet of 53 patients (2 men and 51 women) with hallux valgus underwent modified Mitchell's osteotomy and were followed up for at least 5 years. Patients' age ranged from 17 to 83 years, and the duration of follow-up ranged from 5 years one month to 18 years 4 months. Modified Mitchell's osteotomy was performed on 53 feet in 31 patients (group A), whereas modified Mitchell's osteotomy augmented with oblique lesser metatarsal osteotomy was performed to the remaining 40 feet in 22 patients (group B). Postoperative results were assessed using a clinical assessment system developed by the Tokyo Medical University based on 5 categories: pain in the first metatarsophalangeal, deformity of the metatarsophalangeal, plantar callosity and/or metatarsalgia of lesser metatarsals, the use of commercially available shoes, and local inflammatory symptoms. RESULTS: Mean total score improved from 3.8 to 7.9 on a 10-point scale. Scores for 2 categories--plantar callosity and/or metatarsalgia and the use commercially available shoes--were significantly higher in group B at postoperative 5 years. Before surgery, at postoperative 3 weeks, and at postoperative 5 years, respectively, the mean hallux valgus angles were 34.2, 12.0, and 17.1 degrees; mean M1-M2 angles were 16.7, 7.4, and 8.7 degrees; mean M1-M5 angles were 34.9, 25.8, and 26.6 degrees; and mean sesamoid bone shifts were 8.7 mm, 4.3 mm, and 5.9 mm. CONCLUSION: Modified Mitchell's osteotomy shortens the length of the first metatarsal bone and thus relieves tension in soft tissues such as the adductor hallucis. Nonetheless, the procedure can induce metatarsophalangeal joint malalignment and metatarsalgia, and plantar callosity may develop or persist after surgery. Combining oblique metatarsal osteotomy of the lesser metatarsal bones is useful in patients with uneven metatarsal bone lengths and metatarsophalangeal joint malalignment.

Adolescent↗
PubMedDate not supplied

[Correction of high-grade sesamoid bone dislocation in hallux valgus using Austin's osteotomy with and without lateral soft tissue release].

INTRODUCTION: Aim of this study was to analyze if, using the Austin technique for correction of hallux valgus deformity, the additional soft tissue procedure is capable to achieve better correction of the sesamoid subluxation, the hallux valgus angle and the intermetatarsal angle. PATIENTS AND METHODS: 19 patients with 20 feet operated according to the original Austin technique and 26 patients with 28 feet operated according to a modified technique with lateral soft tissue release both with a preoperative sesamoid subluxation grade 3 were compared with the help of a standardized questionnaire in respect to clinical and radiological results. RESULTS: Analyzing the clinical outcome of the two procedures, there was no statistical difference. Comparison of the radiological results revealed a significantly better correction of the sesamoid position and a better correction of hallux valgus and intermetatarsal angle by using the additional soft tissue procedure. DISCUSSION: The lateral soft tissue procedure with release of the adductor hallucis, dissection of the deep transverse plantar ligament and mobilisation of the sesamoids is capable of a significantly better correction of the sesamoid position. Only a combination of osseus and soft tissue correction is capable to correct the pathomechanism and to guarantee long lasting results.

Adult↗
PubMed1988

Silicone implant arthroplasty for second metatarsophalangeal joint disorders with and without hallux valgus deformities.

Subluxation or dislocation of the second metatarsophalangeal joint (MTPJ) is usually associated with a hammertoe deformity and, frequently, with a significant hallux valgus deformity. Although the joint itself may be painful, there is also pain in the hammertoe deformity, especially when the patient is wearing closed shoes. A painful intractable plantar keratosis is usually present. We reviewed all of our patients with second MTPJ subluxation or dislocation, in whom a double-stem silicone implant had been used to relocate the joint. In 31 feet of 28 patients, 32 implants were used. All but six feet with advanced degenerative joint disease secondary to Freiberg's infraction had severe associated forefoot pathology that necessitated surgical correction. Several feet had previous bunion operations as well as operations on the second toe. In addition to the second toe, we performed hallux valgus corrections in 23 feet, seven of which were revision procedures. At an average follow-up time of 37 months, good results were seen in 20 feet (63%), good results with reservations in eight feet (25%), and failure in four feet (12%). Transfer metatarsalgia was the most frequent complication. The implants remained stable, and in only one was there a suspected fracture. More optimum results might have been achieved had there been better correction of the hallux valgus deformities, more frequent correction of the hammertoe deformity, and less resection of the second metatarsal head. These patients with pathology usually involving both the first and second MTPJ are difficult to treat, therefore. Their results are less predictable and not as favorable as those achieved for patients with isolated similar deformities.

Adult↗
PubMed2000

[Surgical treatment of hallux valgus in children and adolescents: 46 cases treated with the Mitchell technique].

PURPOSE OF THE STUDY: The aim of this study is to discuss special features of hallux valgus in children and assess place of a surgical procedure in some patients. MATERIAL AND METHOD: A retrospective study of 40 children (46 feet) operated for hallux valgus was conducted. An etiology was identified in 10 per cent of cases and 90 per cent were considered as idiopathic. From a clinical and radiological analysis of 46 feet, we describe the anatomical particularities and the indications of the surgical treatment. The Mitchell's technique is described in detail. The correction of the metatarsal varus and the metatarsophalangial valgus was obtained without breaking off the growth plate of the first metatarsus. RESULTS: Clinically, results were satisfactory in 84 per cent of the cases. Radiologically, results were excellents in 45 per cent and good in 35 per cent. DISCUSSION AND CONCLUSION: Hallux valgus in the child is often underestimated; operative treatment should be proposed in some patients. Mitchell's technique gives good results with an early and simply correction.

Adolescent↗
PubMed1996

Advanced hallux valgus deformity: long-term results utilizing the distal soft tissue procedure and proximal metatarsal osteotomy.

A series of 28 cases with a moderate to severe hallux valgus deformity and intermetatarsal angle of 14 degrees or greater was followed an average of 5 1/2 years to determine whether any significant loss of correction occurred. All feet were treated with a distal soft tissue procedure and proximal metatarsal osteotomy. The average correction of the intermetatarsal angle was 13.2 degrees (7-20 degrees), and the average loss of correction was 1.4 degrees; the average correction of the hallux valgus angle was 26.7 degrees (-2 degrees to 48 degrees), and the average loss of correction was 3.8 degrees. In three cases, a recurrent deformity developed; in three other cases, a hallux varus deformity developed, two of which were symptomatic. Patient satisfaction was 85%. This study indicates that in most patients with a hallux valgus deformity and an intermetatarsal angle of 14 degrees or greater, there is sufficient inherent stability of the first metatarsocuneiform joint that it does not require stabilization to obtain a satisfactory long-term result.

Adolescent↗
PubMedDate not supplied

Treatment of adolescent hallux valgus with the first metatarsal double osteotomy: the denver experience.

The 1 metatarsal double osteotomy is described as an effective procedure for the treatment of severe adolescent hallux valgus (AHV) with low recurrence and complication rates. No study to date has evaluated the functional clinical outcome after 1st metatarsal double osteotomy. The purpose of this paper is to report the results at our institution in the treatment of severe AHV with 1st metatarsal double osteotomy. We performed a review of all patients (N = 9, 14 feet) treated at our institution with 1st metatarsal double osteotomy. We reviewed pre- and postoperative hallux valgus (HVA), 1st-2nd intermetatarsal (IMA), and distal metatarsal articular angles (DMAA) and calculated the average angular correction. Functional outcome was measured via the AOFAS Hallux Metatarsophalangeal-Interphalangeal (HMI) scale as well as the duPont Bunion Rating Score (BRS). The average patient was 15 years old at the time of surgery with an average of 27 months follow-up. The mean angular correction was 21.54 degree, 9.25 degree, and 6.21 degree for HVA, IMA, and DMAA, respectively. Ninety percent of the patients reported good to excellent results. We had 2 complications for an overall rate of 14%. The 1st metatarsal double osteotomy is an effective and reliable technique for treatment of severe adolescent hallux valgus. Stiffness of the 1st MTPJ is the major determinant of patient satisfaction.

Adolescent↗
PubMedDate not supplied

Evaluation of Wagdy's technique for treatment of hallux valgus by double-V osteotomy.

Seventy-nine feet in 71 patients with hallux valgus were treated by double-V Wagdy osteotomy of the first metatarsal head. Sixty-eight per cent were totally free of pain with acceptable cosmetic appearance. Excellent and good results were obtained in 97.5% of the cases. The mean postoperative decrease of the intermetatarsal angle was 1.8 degrees and of the hallux valgus angle 22 degrees. The operation is technically simple and stable without internal fixation. It restores the length of the hallux and reduces the possible complications of nonunion, avascular necrosis, shortening of the first metatarsal, and appearance of new bone formation at the medial aspect of the osteotomy site.

Adult↗
PubMed1994

Basal metatarsal osteotomy for hallux valgus.

We performed basal chevron metatarsal osteotomy on 32 feet (31 patients) for painful hallux valgus associated with an increased intermetatarsal 1/2 angle (> 12 degrees). Pedobarographic and radiological examinations were done preoperatively and at a minimum of six months postoperatively. The average hallux valgus angle was improved from 40.9 degrees to 19.2 degrees and the intermetatarsal 1/2 angle from 16.5 degrees to 6.8 degrees. The mean angle of declination of the first metatarsal was decreased by 1.4 degrees. The pedobarographs showed a significant reduction in areas sustaining pressure > 5 kg/cm2, an increased total foot contact area and a higher percentage forefoot contact area on heel raise. There was a high level of patient satisfaction with relief of symptoms and improved appearance of the foot.

Adult↗
PubMed1990

Results of Akin type proximal phalangeal osteotomy for correction of hallux valgus deformity.

The results of 26 Akin proximal phalangeal osteotomies in 22 patients for hallux valgus deformities are reported. The average follow up was 53 months (range, 12 to 97 months). Subjectively, 16 feet had a satisfactory result (61.5%). Objectively, 14 feet met the criteria for a satisfactory result (53.8%). The authors found that the Akin osteotomy was unpredictable as an isolated procedure, and not indicated in a hallux valgus deformity with an incongruent joint.

Adult↗
PubMed2002

The scarf osteotomy for severe hallux valgus.

We reviewed the outcome of 33 patients (45 feet) treated by scarf osteotomy for hallux valgus deformity with an intermetatarsal (IM) angle equal to or greater than 16 degrees. The average follow-up was 26 months. The hallux valgus angle improved by an average of 21.1 degrees from a preoperative mean value of 32.1 degrees. The IM 1-2 angle improved an average of 9.9 degrees from a preoperative mean value of 18.3 degrees. American Orthopedic Foot and Ankle Society (AOFAS) score changed from a preoperative average of 35.7 points to 89.8 at follow-up. Our midterm results indicate that the scarf osteotomy provides an effective method for the treatment of severe bunion deformity.

Adult↗
PubMed2004

Scarf osteotomy for hallux valgus. A prospective clinical and pedobarographic study.

We prospectively reviewed 24 patients (35 feet) who had been treated by a Scarf osteotomy and Akin closing-wedge osteotomy for hallux valgus between June 2000 and June 2002. There were three men and 21 women with a mean age of 46 years at the time of surgery. The mean follow-up time was 20 months. Our results showed that 50% of the patients were very satisfied, 42% were satisfied, and 8% were not satisfied. The mean American Orthopaedic Foot and Ankle Society score improved significantly from 52 points pre-operatively to 89 at follow-up (p < 0.001). The intermetatarsal and hallux valgus angles improved from the mean pre-operative values of 15 degrees and 33 degrees to 9 degrees and 14 degrees, respectively. These improvements were significant (p < 0.0001). The change in the distal metatarsal articular angle was not significant (p = 0.18). There was no significant change in the mean pedobarographic measurements of the first and second metatarsals after surgery (p = 0.2). The mean pedobarographic measurements of the first and second metatarsals at more than one year after surgery were within the normal range. Two patients had wound infections which settled after the administration of antibiotics. One patient had an intra-operative fracture of the first metatarsal and one required further surgery to remove a long distal screw which was irritating the medial sesamoids. We conclude that the Scarf osteotomy combined with the Akin closing-wedge osteotomy is safe and effective for the treatment of hallux valgus.

Female↗
PubMed1988

Muscle in hallux valgus.

Muscle imbalance is cited widely as a major factor in the production of hallux valgus deformity. The authors, therefore, performed muscle biopsies in 57 patients (53 women and four men; average age, 45.3 years) to examine the histology and ultrastructure of the intrinsic muscles about the great toe. The biopsy study was correlated with gait analysis. In 53 biopsy specimens the muscles were found to be histologically abnormal, presenting myogenic and neurogenic alterations. Furthermore, ultrastructural examination showed enlarged mitochondria with paracrystalline inclusions in 31 of the 57 cases. Gait analysis showed an abnormal rollover pattern in 70% of the gait cycles examined in 19 symptomatic hallux valgus patients (18 women and one man), while in 19 asymptomatic volunteers (16 women and three men) 80% of the cycles examined were normal. The surface electromyographic (EMG) activity of the intrinsic muscles also was abnormal in the patient group when compared with the volunteer group; five different patterns of electrical activity were found. These findings may be interpreted as a result of chronic ischemia caused by the elevated pressure occurring within the foot during gait.

Adolescent↗
PubMed1998

The Mitchell distal metatarsal osteotomy for hallux valgus--the Singapore General Hospital experience.

BACKGROUND: Fifty-five Mitchell distal metatarsal osteotomies for hallux valgus performed over a period of four years have been retrospectively reviewed. The 38 patients were followed for an average of 30 months (range 12 to 60 months). RESULTS: The preoperative hallux valgus angle averaged 30.9 degrees +/- 8.2 degrees SD (range 18 degrees to 60 degrees) and the postoperative angle averaged 12.2 degrees +/- 4.6 degrees (range 5 degrees to 20 degrees). CONCLUSION: Ninety-two percent of the patients were satisfied with the result of the procedure. They stated that, given the identical situation, they would undergo the operation again.

Adult↗
PubMed1975

[Results of hallux valgus operations in young adults (author's transl)].

Compared were the results of three different hallux valgus operations (operations according to: Hohmann, Du Vries and Brandes) of young patients. As expected, the 2/3-resection according to Brandes showed unsatisfactory results, cosmetically and functionally. For this reason, this method should only be used with hallux valgus with a metatarso-phalangial joint with athrotic changes and with the polyarthritis foot. On the other hand, there can be obtained in most cases quite good results or at least satisfactory ones by the subcapital osteotomy according to Hohmann and Du Vries. The risk of a posterior metatarso-phalangial joint arthrosis seems us to be higher with the method according to Du Vries as according to Hohmann.

Adolescent↗
PubMed1992

Repair of hallux valgus with a distal soft-tissue procedure and proximal metatarsal osteotomy. A long-term follow-up.

We retrospectively reviewed the results for seventy-five patients (109 feet) in whom a hallux valgus deformity had been corrected with the release of the distal soft tissues, excision of the medial eminence, plication of the medial part of the capsule, and proximal crescentic osteotomy of the first metatarsal. The patients were followed for an average of thirty-four months (range, twenty-four to fifty-six months). The preoperative hallux valgus angle averaged 31 degrees, and the postoperative angle averaged 9 degrees. The preoperative intermetatarsal angle averaged 14 degrees and the postoperative angle, 6 degrees. Ninety-three per cent of the patients were satisfied with the result of the procedure. They stated that, given the same circumstances, they would have the operation again. The most common complication was hallux varus, which occurred in thirteen feet (nine patients). The other complications included recurrence of the hallux valgus in two feet, pain under a fibular sesamoid in one foot, and a tailor's bunion that was unrelated to the operation in one foot. Only five of forty-eight feet that had had a symptomatic plantar keratosis beneath the second metatarsal head preoperatively remained symptomatic postoperatively.

Adolescent↗
PubMed1993

Chevron or Wilson metatarsal osteotomy for hallux valgus. A prospective randomised trial.

We compared the chevron and the Wilson metatarsal osteotomy for hallux valgus in a prospective randomised trial on 87 feet in 51 patients, reviewed at averages of 5.5 and 38 months after operation. The patients in the chevron group returned to work earlier and mobilised faster, but, at the later review, those in the Wilson group had better functional results and were more satisfied with the appearance of the foot. Correction of the hallux valgus angle was better maintained in patients in the Wilson group and they had a better range of motion at the metatarsophalangeal joint; fewer complained of metatarsalgia.

Adult↗
PubMedDate not supplied

[The modified Ludloff osteotomy for correction of severe metatarsus primus varus with hallux valgus deformity].

AIM: The present study investigates the clinical and radiological mid-term results of the modified Ludloff osteotomy, a proximal metatarsal osteotomy for surgical correction of severe metatarsus primus varus with hallux valgus deformity. METHOD: 70 feet in 67 patients from 25 to 78 years (average age 56 years) were included in this prospective study. The patients were evaluated with the American Orthopaedic Foot and Ankle Society (AOFAS) forefoot metatarsophalangeal interphalangeal score, which was used preoperatively and at an average follow-up of 37 +/- 6 months. Weight-bearing foot radiographs were analysed according to AOFAS guidelines and statistical evaluation was made with the Wilcoxon signed-rank test. RESULTS: The average AOFAS score improved significantly (p < 0.0001) from 55.2 +/- 15.2 points preoperatively to 86.6 +/- 15.2 points at follow-up. Preoperatively, all patients complained of pain (20.2 +/- 9.6 points) which had improved significantly (p < 0.0001) at the latest follow-up (37.3 +/- 5.7 points). The average hallux valgus angle (HVA) was 37 +/- 8 degrees preoperatively and improved significantly to 12 +/- 11 degrees at follow-up (p = 0.0001). The intermetatarsal angle (IMA) improved significantly from 18 +/- 2 degrees preoperatively to 8 degrees +/- 4 degrees after 37 +/- 6 months (p = 0.0002). The sesamoid position improved significantly from preoperative to follow-up (p = 0.0003). Radiographic evaluation of the patients indicated that all examined osteotomies had healed after 37 +/- 6 months. CONCLUSION: This prospective investigation at intermediate follow-up using currently available outcome measures suggests that the Ludloff osteotomy is a suitable procedure for the surgical correction of severe metatarsus primus varus (IMA > 15 degrees ) with hallux valgus deformity.

Adult↗
PubMed1996

[Juvenile hallux valgus].

Juvenile bunions have different etiologies and require specific operative approaches. Any operative procedure to correct a juvenile hallux valgus deformity should correct all the components of the deformity, i.e. pronation of the hallux, the increased hallux valgus angle, the enlarged medial eminence, the increased intermetatarsal angle, and hypermobility or obliquity of the first metatarso-cuneiform joint with the intention of decreasing the rate of recurrence.

Adolescent↗