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Adult hallux valgus with metatarsus adductus: a case report.

It is difficult to surgically treat a hallux valgus deformity with significant metatarsus adductus, because the space between the first and second metatarsals is too narrow to correct the metatarsus primus varus with a first metatarsal osteotomy. A 55-year-old woman had severe hallux valgus with significant adduction of the second and third metatarsals. A distal soft tissue procedure and a proximal crescent-shaped osteotomy of the first metatarsal combined with corrective osteotomies of the second and third metatarsals were done. The patient's symptoms disappeared, and hallux valgus and adduction of the second and third metatarsals were corrected. To the authors' knowledge, there is no previous description of surgical treatment including correction of metatarsus adductus and hallux valgus for adult hallux valgus with metatarsus adductus.

Female↗

First ray dorsal mobility in relation to hallux valgus deformity and first intermetatarsal angle.

The hypermobile first ray has been implicated as contributing to the cause and progression of hallux valgus deformity. Deformity of the hallux is often accompanied by an enlarged first intermetatarsal (IM 1-2) angle. It has been hypothesized that subjects having an abnormally large IM 1-2 angle have laxity of the first ray. Objectives of this study were to compare dorsal mobility of the first ray in subjects with hallux valgus to asymptomatic controls, and to investigate the relationship between dorsal mobility and the IM 1-2 angle. Fourteen subjects (age 23-81) with hallux valgus were matched by gender and age to control subjects. The IM 1-2 angle was measured from radiographs. A load-cell device measured dorsal mobility of the first ray under a standard load of 55 N. Pearson's correlation coefficient identified a marginal correlation (r = .51) between IM 1-2 angle and dorsal mobility. An independent t-test showed a statistically (P < 0.01) larger amount of dorsal mobility in the group of subjects having hallux valgus. Mobility of the first ray was increased in subjects with hallux valgus and a large IM 1-2 angle may be an indicator of increased dorsal mobility.

Adult↗

[The effect of micro-trauma technic with small incision on treating hallux valgus].

OBJECTIVE: To explore an effective micro-trauma technic with small incision for hallux valgus. METHODS: From August 2002 to June 2004, 136 cases (263 feet) with hallux valgus were treated with micro-trauma technic with small incision and postoperative external elastic fixation. Of all the cases, 7 were males and 129 were females. Their ages ranged from 19 to 84 years. According to Coughlin classification, there were 24 gentle cases, 63 medium cases, and 49 severe cases. All the feet were with some degree of pain and flatfoot. Symptom, sign and the results of X-ray were evaluated. RESULTS: Wound healed at stage I. All cases were followed up for 8 to 26 months, 19 months on average. Hallux valgus of the 263 feet were completely healed, feet pain disappeared, and no nonunion or osteonecrosis was observed. X-ray examination indicated that 105 feet's hallux valgus angle was less than 12 degrees, inter metatarsal angle less than 9 degrees, and remedy subluxation of the tibial sesamoid less than 50%. Evaluation on the result indicated that there were 84 cases of excellent result, 48 cases of good result, 3 cases of fair result, and 1 case of poor result. The rate of excellent and good was 97%. CONCLUSION: With less injury, less pain, complete restoration, and fewer possibility of relapse, micro-trauma technic with small incision is effective in treating hallux valgus.

Adult↗

Precise anatomic configuration changes in the first ray of the hallux valgus foot.

To detect precise anatomical configuration of the first ray in feet with hallux valgus, a two-dimensional coordinate system was devised for evaluation of a weight-bearing dorsoplantar radiograph. The radiographs, taken from 229 feet of 114 patients with symptomatic hallux valgus and 94 normal feet, were investigated. A comparative study showed the first metatarsal head of a foot with hallux valgus was located on the medial side of that of the normal foot and the base of the proximal phalanx of the hallux valgus foot was located on the same point of that of the normal foot. Lateral translation of the base of the proximal phalanx occurred only in cases with overlap toes. Our study shows that subluxation of the metatarsophalangeal joint in hallux valgus is primarily caused by metatarsus primus varus. This study indicated that first metatarsal osteotomies should be given the first priority in consideration for bunion surgery, because these procedures could move the first metatarsal heads laterally in a more normal position.

Adolescent↗

Tendon shift in hallux valgus: observations at MR imaging.

OBJECTIVE: This study was undertaken to demonstrate a shift in tendon alignment at the first metatarsophalangeal joint in patients with hallux valgus by means of magnetic resonance imaging. DESIGN: Ten normal feet and 20 feet with the hallux valgus deformity conforming to conventional clinical and radiographic criteria were prospectively studied using magnetic resonance imaging. Correlation was made between tendon position at the first metatarsophalangeal joint and the severity of the hallux valgus deformity. RESULTS: There is a significant shift in tendon position at the first metatarsophalangeal joint of patients with hallux valgus. The insertion of the abductor hallucis tendon is markedly plantarward and the flexor and extensor tendons bowstring at the first metatarsophalangeal joint compared with patients without the deformity. The severity of the tendon shift correlates with the hallux valgus angle and clinical severity of the hallux valgus deformity in each case. CONCLUSION: Patients with hallux valgus have a significant tendon shift at the first metatarsophalangeal joint which appears to contribute to development of the deformity.

Case-Control Studies↗

Degenerative osteoarthrosis of tarsometatarsal joints in hallux valgus: a radiographic study.

To clarify the pathogenesis of degenerative osteoarthrosis of the tarsometatarsal joints in hallux valgus, we evaluated dorsoplantar and lateral radiographs during weight-bearing in 16 patients (25 feet) with hallux valgus accompanied by degenerative osteoarthrosis of the tarsometatarsal joints and 25 controls (25 feet) with hallux valgus alone. The proximal second metatarsal articular angle (a parameter we devised), the hallux valgus angle, intermetatarsal angle, metatarsal length, sesamoid displacement, calcaneal pitch, and foot length were measured and then evaluation using a mapping system was performed. There were no significant differences in the hallux valgus angle, intermetatarsal angle, sesamoid displacement, calcaneal pitch, or foot length. In the presence of degenerative osteoarthrosis of the tarsometatarsal joints, the second, third, and fourth metatarsals were long, and a large inclination of the proximal articular surface of the second metatarsal and adduction of the first to fourth metatarsals were observed. These findings appeared to be involved in the development of this disorder.

Aged↗

Long-term results after Mitchell osteotomy in children and adolescents with hallux valgus.

The current study elucidates the quality of long-term results after hallux valgus correction by Mitchell osteotomy in children and adolescents. Eight female and 1 male hallux valgus patient with a total of 16 bunion deformities underwent a Mitchell procedure in the period 1970 to 1985, and were reinvestigated in December 1994 (at an average of 16 years later). Their ages at operation ranged from 9 to 20 years (average 16 years). Patients' data were subdivided into subjective and objective criteria. Subjective parameters such as pain, shoe fitting, mobility and cosmesis were assessed by interview. Objective data were obtained from reports, radiographs and physical examination. Owing to the lack of established and recommended scores, we developed our own evaluation pattern. Overall outcome was judged as good in 69%, satisfying in 12% and dissatisfying in 19% by both patients and surgeon. In our experience, Mitchell osteotomy is an appropriate method for young hallux valgus patients, especially in forefeet with rigid malformation or moderately severe hallux valgus and metatarsus primus varus. Extensive metatarsal shortening should be excluded preoperatively in order to avoid postoperative metatarsalgia.

Adolescent↗

Sensory dysfunction in the great toe in hallux valgus.

Injury to the dorsomedial cutaneous nerve in the foot may occur after operations for hallux valgus. Pressure neuropathy before operation is also described but remains largely unexplored. We have investigated the incidence of sensory deficit in the great toe before operating for hallux valgus and examined to what extent any deficit was related to the degree of angulation of the joint. Forty-three patients with a total of 61 great toes with hallux valgus presenting for consideration of surgical correction had their sensation tested in pre-designated zones using a five-filament set of Semmes-Weinstein monofilaments. These allowed good inter-observer reliability with an intra-class correlation coefficient of 0.84. Sensory symptoms were noted by only 21% of the patients, a measurable reduction in sensation by one monofilament grade or more was found in an additional 44%. No relationship was found between the degree of sensory loss and the degree of angulation. Patients with symptomatic hallux valgus may have sensory loss in the toe without being aware of it. Normal subjective sensation does not reliably predict normal sensory function. Given the potentially high rates of nerve damage following operations for hallux valgus, we recommend objective sensory testing as part of routine assessment before surgery.

Adult↗

A comparison of the prevalence of hallux valgus in three South African populations.

The prevalence of hallux valgus and its relationship to the metatarsal angles and the shape of the foot have been assessed in women over 50 years of age from three populations: an urban White community, an urban Black comunity, and a rural Black community. Hallux valgus was significantly more common in the Whites than in either of the Black groups; there was no significant difference in the prevalence in rural and urban Blacks. Likewise, the angle between the first and second metatarsals was significantly greater in White women (mean 10,80 degrees) than in Black women (mean 8,21 degrees for urban Blacks and 7,05 degrees for rural Blacks). From this study it could be deduced whether the increased metatarsal angle was the cause of the more frequent appearance of hallux valgus in White women.

Black or African American↗

Medial eminence thickness with and without hallux valgus.

The purpose of this study was to determine if hypertrophy of the medial eminence occurs in patients with hallux valgus. Thirty-three patients (50 consecutive feet) who underwent surgical correction for hallux valgus were evaluated. They had preoperative and postoperative radiographs. The hallux valgus angle, intermetatarsal angle and size of the medial eminence were recorded. The same measurements were then obtained from the radiographs of 50 randomly selected, age-matched controls with a hallux valgus angle less than 15 degrees and intermetatarsal less than 9 degrees. The average width of the medial eminence was 4.4 mm in the hallux valgus group and 4.1 mm in the control group. In most patients, hypertrophy of the medial eminence is not a component of the pathology.

Case-Control Studies↗

Relationship between stress fractures of the proximal phalanx of the great toe and hallux valgus.

PURPOSE: To clarify the relationship between stress fractures of the great toe and hallux valgus. METHODS: Ten cases of this fracture were analyzed for their alignment of the great toe. RESULTS: Nine of them had hallux valgus. DISCUSSION: The continuous bowstring effect of the extensor hallux longus and shearing stress on the hallux valgus that occur during specific exercises such as sprinting, jumping, and standing on tiptoe, could cause these stress fractures. CONCLUSION: The hallux valgus could play a role in the cause of stress fractures of the proximal phalanx of the great toe.

Adolescent↗

Arthrodesis versus resection arthroplasty for failed hallux valgus operations.

The results for 18 patients (20 feet) in whom a hallux valgus procedure had failed were reviewed. Ten patients (11 feet), with a mean age of 63 years, had correction with Keller resection arthroplasty and were observed for an average of 10 years (range, 3-15 years). The hallux valgus angle improved an average of 11 degrees +/- 3 degrees, and the intermetatarsal angle improved an average of 2 degrees +/- 1.7 degrees. Results were good in six feet, fair in four, and poor in one. Eight patients (nine feet), with a mean age of 63 years, had correction with arthrodesis and were observed for an average of 5 years (range, 2-8 years). The hallux valgus angle improved an average of 23 degrees +/- 6.9 degrees, and the intermetatarsal angle improved an average of 2 degrees +/- 3 degrees. Results were good in six feet, fair in two, and poor in one. There were differences between the two operations in terms of patient satisfaction, pain relief, appearance, and footwear. The incidence of metatarsalgia was similar for the two groups. Complications, particularly malalignment, were more common in the resection group. None of the patients required additional revision operation. Resection arthroplasty is a simple procedure and does not require cast immobilization. Resection arthroplasty and arthrodesis are reasonable options for salvage treatment of failed hallux valgus operations in older patients because good results were achieved in six of nine (67%) feet after arthrodesis and in six of 11 (54%) feet after resection.

Aged↗

Double oblique displacement osteotomy for hallux valgus.

Surgical treatment of adult hallux valgus was carried out in 57 feet using the double oblique displacement osteotomy described by Wilson. Twenty weeks after the operation, no patients had inconvenient problems when walking. The results were classified as excellent in 52 feet. Wilson's operation was found to be a simple, reliable procedure, giving satisfactory correction of the valgus deformity.

Adolescent↗

Chevron osteotomy for hallux valgus.

A retrospective study of the Chevron osteotomy procedure for hallux valgus was carried out on 112 patients (168 feet) with an average age of 39.7 years (range 19 to 61 years). The average follow-up was 4.4 years (range 13 months to 7.5 years). The preoperative diagnosis was symptomatic hallux valgus. The average preoperative intermetatarsal 1-2 angle was 15.5 degrees (range 11 degrees to 18 degrees) and the hallux valgus angle was 28.1 degrees (range 21 degrees to 42 degrees). The operation was effective in improving symptoms, cosmesis, and function and in decreasing the deformity.

Adult↗

[Results of the Du Vries hallux valgus operation].

32 patients with Hallux valgus were treated at 58 feet with Du Vries surgical method. The functional and subjective results after a mean observation period of 4.8 years ranged from good to very good on 17 from 23 examinated patients. However, the corrected position of the intoe was found only at an average of 5 degrees. This is due to postoperative correction loss. Only in young patients with a valgus position below 35 degrees and without signs of arthrosis deformans in the valgus joint this purely soft-tissue operation is indicated.

Adolescent↗

The significance of pes planus in juvenile hallux valgus.

Pes planus of the foot is believed to be an important etiological factor in hallux valgus. This study compares the degree of pes planus in normal and hallux valgus feet. The arch index, or ratio of the area of the middle third of the foot to the total footprint area, was calculated on 128 footprints. An unpaired t-test determined no significant difference between the arch index of 32 11-year-old children with hallux valgus and 11-year-olds with no first metatarsophalangeal joint deformity (P greater than .05). The height of the arch is not relevant to the hallux valgus deformity. Arch supports designed to raise the height of the arch can play only a palliative role in the management of the condition.

Child↗

Arthrodesis of the first metatarsophalangeal joint for idiopathic hallux valgus: intermediate results.

BACKGROUND: Followup studies documenting the outcome of primary metatarsophalangeal (MTP) joint arthrodesis for treatment of hallux valgus deformities are rare. The purpose of this report was to evaluate the results of first MTP joint arthrodesis as treatment for moderate and severe hallux valgus deformities over a 22-year period in a single surgeon's practice. METHODS: All living patients treated between 1979 and 2001, for moderate and severe idiopathic hallux valgus deformities with first MTP joint arthrodesis were contacted and asked to return for a followup examination. Outcomes were assessed by comparing preoperative and postoperative pain, function, and radiographic appearance. First ray mobility and ligamentous laxity also were assessed postoperatively. RESULTS: Eighteen of 21 of the first MTP joints had successfully fused with the primary procedure at an average followup of 8.2 years (range 24 to 271 months). The time to union averaged 10 (range 7 to 15) weeks. Two of the three nonunions, both in the same patient, were asymptomatic and were not revised. One required a revision to achieve fusion. The average corrections in the hallux valgus angle and 1-2 intermetatarsal (IM) angle were 21 degrees and 6 degrees, respectively, and the average postoperative dorsiflexion angle was 22 degrees. Subjective satisfaction was rated as excellent in seventeen of 21 cases (80%) and good in the remaining four (20%). There was significant reduction in postoperative pain (p < 0.001), complete resolution of lateral metatarsalgia, and the postoperative American Orthopaedic Foot and Ankle Society (AOFAS) scores averaged 84 (range 72 to 90) at final followup. Major activity restrictions after surgery were uncommon, and all patients were able to wear conventional or comfort shoes. Interphalangeal (IP) joint arthritis progressed in seven of 21 feet (33%), but all of these changes were mild. CONCLUSIONS: In the present study, arthrodesis of the first MTP joint for idiopathic hallux valgus resulted in a high percentage of successful results at an average followup of over 8 years.

Aged↗

Gait analysis in hallux valgus.

The solar pressure zones were analyzed in the feet of 66 patients suffering from hallux valgus, together with 60 normal subjects. The EMED Gait Analysis System was used. In the hallux valgus group, the maximum pressure was found to be increased significantly in the small toe region and more proximally situated, close to the metatarsophalangeal joint. In the normal subjects, the maximum pressure was increased significantly in the first, second, third, and fourth metatarsal and heel regions. In general, the hallux valgus group had smaller contact areas compared to the control group. The increased pressure in the small toe region, together with the smaller contact areas manifested by the hallux valgus group, were interpreted in this work as being the possible causes of the metatarsalgia seen in patients with the deformity.

Female↗