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PubMedDate not supplied

The crescentic first metatarsal basilar osteotomy for correction of metatarsus primus varus.

The crescentic basilar first metatarsal osteotomy has been largely abandoned by the podiatric community in recent years in favor of proximal wedge-type osteotomies for the correction of metatarsus primus varus with large intermetatarsal angles. In most cases, this was due to the inherent instability of the osteotomy and difficulties with fixation. However, the crescentic osteotomy has the ability to correct in all three planes with less shortening than the wedge-type osteotomies. New fixation techniques, such as the small cannulated screw systems, have allowed for less technical difficulty in obtaining rigid internal fixation. In this article, the authors describe the results in 29 feet (27 patients) where the crescentic osteotomy was performed along with a metatarsaphalangeal joint procedure ranging from a McBride (with or without lateral sesamoidectomy) to a phalangeal osteotomy. Preoperative intermetatarsal angles ranged from 11 degrees to 22 degrees, with an average of 18.6 degrees. Postoperative intermetatarsal angles ranged from 2.6 degrees to 8.2 degrees with an average of 5.1 degrees. The preoperative hallux abductovalgus angles ranged from 25 degrees to 38 degrees, with an average of 33.6 degrees. The postoperative hallux abductovalgus angles ranged from 4 degrees to 18 degrees with an average of 11 degrees. Complications included one hallux varus, one delayed union, and three cases of superficial cellulitis that resolved with oral antibiotic therapy.

Foot Deformities↗
PubMedDate not supplied

Wilson bunionectomy with internal fixation: a ten-year experience.

One hundred fifteen feet that underwent a Wilson (lateral, transpositional, shortening) osteotomy for the correction of hallux valgus between 1979 and 1989 were retrospectively reviewed. All osteotomies were stabilized either with a single cortical or cancellous screw, or with crossed Kirschner wires. The Wilson procedure is not technically difficult and can allow for tri-plane correction. Of the 115 feet on which this surgical procedure was performed, 92 (80%) were graded in long-term postoperative recovery as excellent or good. Only one complication of hallux varus occurred, which required additional surgery. Survey of the results of the 10-year experience in utilization of this operative procedure has shown a high patient satisfaction with minimum of postoperative complications and a low failure rate.

Follow-Up Studies↗
PubMed1996

Longitudinal epiphyseal bracket: associated foot deformities with implications for treatment.

The longitudinal epiphyseal bracket is a rare ossification defect of bones of the hands and feet and results in an abnormal epiphysis that is C-shaped, longitudinally oriented, and vertically extends into the diaphysis. The longitudinal epiphyseal bracket may exist as an isolated deformity, but is commonly associated with digital deformities such as polydactyly, duplicated digits, congenital hallux varus, and clinodactyly. Five case histories of children with the longitudinal epiphyseal bracket in different bones of the foot are described with three distinct clinical presentations. The development of the longitudinal epiphyseal bracket and implications for treatment are considered.

Adolescent↗
PubMed1989

Hallux valgus and metatarsus adductus: the surgical dilemma.

Hallux varus in the presence of metatarsus adductus is a complex clinical entity that requires careful evaluation and preoperative planning. The metatarsus adductus complicates the picture by accentuating the effect of the intermetatarsal angle and also creates compensatory pronation. Transpositional osteotomies of the first metatarsal are difficult to perform in patients with an adducted forefoot and mild increase in intermetatarsal angle. Surgical therapy generally requires aggressive osteotomies of the first ray to decrease its medial prominence. Total metatarsus adductus correction should be considered in patients with severe deformity.

Child↗
PubMed1994

Distal chevron osteotomy with lateral release for treatment of hallux valgus deformity.

From 1986 to 1990, 42 feet in 30 patients had a combined chevron osteotomy and lateral release to correct their painful bunion deformity. Seventeen patients, 23 feet, were available for follow-up. The purpose of this study was to evaluate the outcome of this procedure and to determine the incidence of avascular necrosis. The patients were examined by an independent examiner, radiographs obtained, and questionnaires filled out. Avascular necrosis was determined using plain films read by a musculoskeletal radiologist who did not know the outcomes. The average age was 45 years at the time of the procedure. Average follow-up was 50 months. The preoperative intermetatarsal angle averaged 13 degrees and the hallux valgus angle averaged 31 degrees. At study follow-up, the intermetatarsal angle averaged 8 degrees and the hallux valgus angle averaged 17.5 degrees. The results were graded by the Mayo Clinic Forefoot Scoring System (75-point scale) and a subjective scoring system. Average postoperative Mayo Clinic score was 67. Fifteen feet were subjectively rated as excellent, six as good, and two as fair. Complications occurred in four feet. Hallux varus occurred in two feet, extension contracture in one foot, and an infection in one foot. None of the feet developed definite radiographic evidence of avascular necrosis. Distal chevron osteotomy combined with a lateral release for corrective bunion surgery has come under scrutiny, because of the risk of avascular necrosis of the first metatarsal head. However, our study showed no evidence of avascular necrosis on radiographs. In addition, 91% of patients had good to excellent results at an average 50-month follow-up.

Adult↗
PubMed1992

Great toe metatarsophalangeal joint arthrodesis: a user-friendly technique.

Thirty-four feet (23 patients) were treated with a metatarsophalangeal (MP) joint fusion of the hallux using five threaded 0.062-in K wires for fixation. Operations were done for the following diagnoses: rheumatoid arthritis (26 procedures), hallux rigidus (1), salvage of previous bunionectomies (3), hallux valgus with absent toe, bilateral fusion (2), severe hallux valgus with chronic MP joint synovitis (1), and congenital hallux varus (1). The ages ranged from 17 to 73 years, with an average of 55 years. Follow-up was available on 31 of the fusions by questionnaire and telephone contact, with an average follow-up of 24 months and a minimum of 1 year. The successful arthrodesis rate was 97%. In 9% of the procedures (three cases), the patients were dissatisfied: This was due to pain under the first metatarsal head in two cases and to impingement between the first and second toes in a third case. In 91% of the fusions (29 of 32 patient responses), the patients stated that they would have the surgery if they had to choose again. Patients indicated "complete satisfaction" in 15 fusions and "satisfaction with reservations" in 14. Patients felt that their ability to wear desired shoes was improved in 48% of the procedures, was unchanged by the fusions in 26%, and was worse than before the operation in 26%. Based on this study and review of the literature, a recommendation is made for fusing the rheumatoid hallux with 25 degrees to 30 degrees of valgus and 10 degrees of extension. In general, selection of toe position for fusion is based on reducing stress on the hallux interphalangeal joint and accommodating the position of the second toe. The multiple pin fixation technique gives a high incidence of fusion, it is easy to perform, and it is adaptable to the varying requirements for toe position.

Adolescent↗
PubMed1988

Basal osteotomy of the first metatarsal for the correction of metatarsus primus varus associated with hallux valgus.

At the University of Vienna Department of Orthopaedics, 26 feet in 21 patients were treated with a basal osteotomy for hallux valgus associated with metatarsus primus varus. In 85% of the cases, a satisfactory result was achieved. Critical analysis revealed shortening of the first metatarsal and elevation of its head, which resulted in excess lateral straining of the foot and metatarsalgia. In 15 cases, osteoarthritis in the metatarsocuneiform joint was also increased. Given these results, an osteotomy that prevents shortening of the first metatarsal and elevation of the head of the first metatarsal, or one that takes these facts into account, seems ideal.

Adolescent↗
PubMed2002

Double tendons at the distal attachment of the extensor hallucis longus muscle.

The distal attachments of the extensor hallucis longus (EHL) tendons in 47 amputated legs and in eight cadavers were examined. The EHL had two tendons in 34 of the amputated legs and bilaterally in five cadavers. The lateral tendon was inserted to the middle of the dorsal aspect of the base of the distal phalanx of the hallux and the medial tendon to the medial side of the insertion of the lateral tendon. The length and thickness of these two tendons were measured and compared in order to obtain data for using these tendons in tendon repair and hallux varus corrections by autogenous tendon transfer surgery. Additionally, on the right foot of one of the cadavers, it was observed that the extensor hallucis brevis tendon united with the lateral tendon of the EHL. We recommend that foot-ankle surgeons be aware of the various accessory EHL tendons and their potential use in problematic cases.

Adult↗
PubMedDate not supplied

[The treatment of congenital foot abnormalities].

With the exception of club foot, flat foot and claw foot, this paper gives a review of principal foot malformations at birth, proceeding from the available radiographical and clinical findings, and also from the facts found during surgery. In addition, there is suggested a classification of various deformities, and there are defined major guidelines and instructions for treatment. As far as the rather frequent polydactylies are concerned, the author distinguishes between a distal phalanx type, an interphalanx type, a proximal phalanx type, a metatarsal type and a tarsal type, depending on the "level", each, where distal/proximal web separation between the fingers stops. It is possible to include also rather particular forms, such as the rudimentary type and the so-called multiplications in this classification. The major indications for the surgical treatment of polydactylies are problems in finding adequate shoes, and also the aesthetic appearance. The principal concern of surgical treatment is to remove additional toes. When there is in parallel a syndactyly or a congenital hallux varus, this may require great skill in the applied surgical technique. Various approaches of surgical treatment are demonstrated by a few examples. Feet oligodactylies are primarily encountered with fibula dysplasia or aplasia, or in cleft feet. In very severe cases it is possible to find just one toe. The actual deformities alone rarely require surgical treatment, but they often "hint at" further malformations in the reach of the root of the foot (synostosis) and of the lower limb. Cleft feet are also frequently impaired in form and function, with these deformities including less severe hypoplasia of a middle toe, e. g. with a somewhat deeper web separation, toe aplasia, metatarsus hypoplasia and aplasia, synostosis, and transversal bones, and even monodactylies with only ray V existing. Additional toes in the cleft foot is one of the rare exceptions. However, the combination of cleft feet and cleft hands is rather frequently encountered. Many cleft feet are nevertheless highly efficient, even without any surgical treatment. That is why there are only indications for a surgical treatment when there are severe foot deformities or most inconvenient misalignments of peripheral toes. Some of the "lobster like" feet are so wide that it is just not possible to wear normal shoes. In this case it is recommended to have surgical correction and to close the cleft. Feet of congenital giant growth are extremely rare, but they raise most complex problems as to adequate treatment. In many cases, an amputation of the additional parts cannot be avoided.(ABSTRACT TRUNCATED AT 400 WORDS)

Child↗
PubMed2002

Malleolus externus plasty for joint reconstruction in fibular aplasia: preliminary report of a new technique.

The instability of the upper and the lower ankle joint represents a serious problem in patients with fibular aplasia. None of the previous techniques demonstrated at least sufficient results. In this report we present a new technique of malleolus externus plasty applied in a 5 1/2-year-old boy with fibular aplasia (type II according to Coventry and Johnson or type Ib according to Achtermann and Kalamchi) with a 6 cm length deficiency of the lower leg and 1 cm of the upper leg. Furthermore, he showed a tibial antecurvation deformity of 20 degrees, a fourth ray foot with adduction deformity of the hindfoot, cutane syndactyly D 2-4, and a hallux varus. This new technique works on the following principle. A triangular iliac crest transplant is implanted with an apophysis and the annexing fascia glutealis, including the osseous part of the transplant, in the lateral distal tibia in a way that the growing apophyseal part lays distally covering the lateral talus. Gluteal fascia annexed to the apophysis was used for the reconstruction of a lateral tendon. Using a ring fixator the transplant is fixed and coincidentally the lower leg lengthened and the axis corrected. The axis deformity and the leg-length deficiency of 7 cm were equalized. The fixator could be removed after 6 months. Radiologically, an entire integration of the iliac crest transplant was found. Magnetic resonance imaging showed it had sufficient circulation. The reexamination 2.5 years later demonstrated a simultaneous growth of the malleolus externus and the distal tibia and stable ankle joints with sufficient mobility and full weight-bearing capability. For support of the foot the boy uses ready-made shoes with curved arch supports. In conclusion, using this new technique an individually adapted lateral malleolus with growth-potential can be constructed that stabilizes the foot and the ankle joints. Thus, reluxations of the foot specifically in relation to lengthening of lower legs can be avoided with concurrent preservation of the range of movement of the ankle joint.

Ankle Joint↗
PubMed1976

Problems in polydactyly of the foot.

1. Polydactyly should be treated early. 2. Adequate bone and soft tissue should be removed. 3. One arm of the Y should be removed surgically in the incompletely duplicated Y metatarsal. 4. The incompletely duplicated Y metatarsal shaved to form a single shaft may at first be bowed, but will remodel to form normal or nearly normal bone. 5. The wide metatarsal head associated with a duplicated phalanx should be narrowed surgically to avoid the development of a painful bunion. 6. Short block-like metatarsals remain abnormal. 7. Polydactyly associated with a short first metatarsal and congenital hallux varus carriers a poorer treatment prognosis and may require continuing treatment. 8. Postoperative casting and taping should be utilized to prevent angular deformities and encourage normal forefoot contour.

Casts, Surgical↗
PubMed1987

Polydactyly.

Polydactyly is a fairly common, genetically induced deformity of the hands and feet found more often in blacks than in whites. Careful clinical and radiographic evaluation should be made prior to treatment because the complexity of the deformity ranges from a simple soft tissue appendage to a completely developed accessory ray. Treatment usually consists of surgical excision of the least functional, least developed digit. Hallux varus, angular deformities, and a splayed forefoot are common postoperative complications.

Black People↗
PubMed1981

A new osteotomy for hallux valgus: a horizontally directed "V" displacement osteotomy of the metatarsal head for hallux valgus and primus varus.

A new operation for hallux valgus consists of a horizontally directed "V" displacement osteotomy done in the head of the first metatarsal. This procedure corrects most of the primus varus, the valgus tilt of the articular surface of the first metatarsal and, if present, the axial rotation of the great toe. The osteotomy is combined with a release and balancing of soft-tissue structures on both sides of the joint. No casting and usually no internal fixation is necessary. Ambulation is generally recommended on the third postoperative day. The operative techniques, indications for surgery, clinical material, and postoperative care are discussed. The operation, when done correctly, does not result in recurrence of the deformity. Significant complications are rare.

Biomechanical Phenomena↗
PubMed1984

The primary deformity in hallux valgus and metatarsus primus varus.

Analysis of radiographs from patients with hallux valgus showed that following surgical correction there were statistically significant reductions in the hallux valgus, intermetatarsal, and metatarsus primus varus angles. Normal values for these angles were established from a control group of asymptomatic feet and from previously published reviews. If the metatarsus primus varus deformity returns to normal following correction of the hallux valgus by a procedure that does not directly realign the metatarsal, the deformity must be secondary to hallux valgus. This is of importance in planning surgical procedures for the correction of these deformities and confirms the relative popularity and success of distal metatarsal osteotomies. Any operation designed to correct both hallux valgus and metatarsus primus varus must aim to correct the primary hallux valgus lesion rather than the secondary metatarsal deviation.

Adolescent↗
PubMedDate not supplied

Metatarsocuneiform arthrodesis for management of hallux valgus and metatarsus primus varus.

Sixty-seven closing wedge arthrodesis procedures of the first metatarsocuneiform joint were performed in 41 females and 12 males. Follow-up averaged 28 months (range 16-49 months) and was performed in 51 of 53 patients with a questionnaire, clinical examination, and comparison of pre- and postoperative weightbearing radiographs. The average hallux valgus angle was 34.5 degrees (range 20 degrees-75 degrees) and was corrected to 13.0 degrees (range-10 degrees-22 degrees) postoperatively. The average intermetatarsal angle was 14.3 degrees (range 9.5 degrees-34 degrees) and was corrected to an average of 5.8 degrees (range 0 degrees-12 degrees) postoperatively. Complications included seven superficial pin tract infections, three symptomatic dorsal bunions, one of which required repeat surgery, seven nonunions, one of which was symptomatic, one hallux varus, and three neuromas of the deep peroneal nerve. The range of motion of the hallux metatarsophalangeal joint was 85% of normal postoperatively. A total of 77% of the patients were totally relieved, 15% partially relieved, and 8% not relieved with respect to pain, comfort, appearance of the foot, and shoewear following surgery. The specific indications for performing this operation are discussed.

Adolescent↗
PubMedDate not supplied

The effect of 5-degree valgus and varus rearfoot wedging on peak hallux dorsiflexion during gait.

The dynamic effects of 5 degrees varus and valgus rearfoot wedging on peak hallux dorsiflexion were investigated in 30 asymptomatic subjects (5 males and 25 females). Statistically significant reductions in peak hallux dorsiflexion were found with rearfoot varus wedging and rearfoot valgus wedging. Furthermore, the reduction in peak hallux dorsiflexion occurring with rearfoot varus wedging was statistically significant compared with that associated with rearfoot valgus wedging. These findings have implications for the orthotic management of a variety of lower-limb pathologies.

Adolescent↗