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At least 19 recordsLinked to original sources

PubMed1991

Iatrogenically induced hallux varus.

Hallux varus is not uncommon after hallux valgus surgery. Through understanding of its cause, this deformity may be easily avoided with thorough preoperative evaluation, meticulous and deliberate intraoperative technique, and early postoperative diagnosis. By recognizing these factors, one can significantly reduce the predilection toward hallux varus. Once the diagnosis has been made, aggressive treatment is warranted, in the hope of minimizing the complexity of joint disorientation and surgical repair.

Hallux↗

PubMedDate not supplied

Abductor hallucis tendon transfer for hallux varus.

Hallux varus deformity, which may be either congenital or acquired, can be very painful and disabling, in addition to having a poor cosmetic appearance. In this paper, the author discusses the acquired type. He believes the abductor hallucis tendon transfer to be the procedure of choice for correction of hallux varus deformity, and he discusses its use and results in three cases.

Adult↗

PubMed1999

Application of bone graft to the medial side of the first metatarsal head in the treatment of hallux varus.

BACKGROUND: Hallux varus deformity is not frequent, is usually acquired, and is poorly tolerated by patients. A common cause is the resection of an excessive amount of the head of the first metatarsal during an operation performed to correct a hallux valgus deformity. The purpose of this study was to evaluate the results of application of bone graft to the medial aspect of the first metatarsal head in order to restore missing bone after resection of an excessive amount of bone during a bunionectomy. METHODS: Of thirty patients who had a hallux varus deformity that was treated operatively, eight (ten feet) had bone-grafting to the medial aspect of the first metatarsal head. Six patients (seven feet) were available for evaluation at an average of 8.6 years (range, two to twenty-two years) postoperatively. The original reasons for the consultation for the hallux varus deformity were pain in the great toe, discomfort with shoewear, and the cosmetic appearance of the deformity. The pain typically was located on the medial aspect of the great toe and was caused by the pressure of the shoe; the pain usually was aggravated by walking. Preoperatively, the passive range of dorsiflexion averaged 72 degrees (range, 60 to 80 degrees); the passive range of plantar flexion, 12 degrees (range, 10 to 20 degrees); and the varus deformity, 18 degrees. RESULTS: Six of the seven feet had a satisfactory result. The pain associated with the varus deformity had disappeared in all patients. One patient was dissatisfied because of 20 degrees of valgus angulation. The passive range of dorsiflexion averaged 63 degrees (range, 60 to 70 degrees), and all patients had 10 degrees of plantar flexion. Overall, the valgus angulation of the metatarsophalangeal joint averaged 19 degrees (range, 16 to 22 degrees). There was no recurrence or persistence of the varus deformity. In three feet, the joint space was reduced, but this did not jeopardize the clinical result. CONCLUSIONS: A bone graft screwed onto the medial aspect of the metatarsal head provided a good result. This technique is indicated when the varus deformity is related to a previous resection of an excessive amount of bone during a bunionectomy and when the deformity is passively reducible to neutral.

Adult↗

PubMed1994

Idiopathic adult hallux varus.

Adult hallux varus is an uncommon clinical entity usually caused by an inflammatory arthropathy or overcorrection during bunion reconstruction. We present five cases of unexplained spontaneous hallux varus. Clinically, all patients initially were found to have flexible deformities, and no evidence of underlying inflammatory disease or history of trauma. Symptoms were easily relieved with shoe wear modifications. Two of the patients developed more rigid deformities and subsequent medial callusing of the first toe and varus deformities of the lesser toes. These two patients eventually required surgical intervention. A Keller arthroplasty was performed on the first metatarsophalangeal joint and valgus proximal phalangeal osteotomies were done on the lateral toes when indicated. The outcome for these patients was good. Possible etiologic mechanisms are discussed. It is postulated that in these cases, the abductor hallucis tendon inserts more medially on the phalanx and overpowers the adductor. This produces a medially directed moment and, with time, a varus deformity.

Female↗

PubMed1997

Acquired hallux varus.

Acquired hallux varus most commonly occurs after hallux valgus surgery. Sagittal plane, coronal plane, and varus deformities are present at the metatarsophalangeal joint. Evaluation of both the metatarsophalangeal and interphalangeal joints for mobility is necessary in surgical decision making. Not all patients require surgery. The anatomy, incidence, pathogenesis, evaluation, classification, and treatment of acquired hallux varus are discussed in this review.

Adult↗

PubMed1984

Extensor hallucis longus transfer for hallux varus deformity.

The hallux varus deformity results from a dynamic imbalance of the tendons that cross the first metatarsophalangeal joint. This condition most frequently occurs after McBride-type operative treatment for hallux valgus. A new procedure, developed to correct this imbalance, involves transferring the extensor hallucis longus beneath the first intermetatarsal ligament into the base of the proximal phalanx, along with an arthrodesis of the first interphalangeal joint. This procedure in fifteen affected great toes gave over-all satisfactory correction of the hallux varus deformity.

Adult↗

PubMedDate not supplied

[Hallux varus congenitus].

INTRODUCTION: The congenital hallux varus is a rare hereditary deformity of the big toe, which often is combined either with polydactylia or with systemic deformities of the skeleton. The congenital hallux varus can be easily diagnosed clinically. The X-ray shows the ossified bony elements and provides information about the shape and number of the digits as well as their axial deviation. An operative treatment is required. So far a standardized surgical technique has not been accepted for all types of hallux varus. METHODS: The correction of the bony structures and soft tissues is planned by means of preoperative scetches. The amount of correction depends on the degree of the deformity. As consequence of the reorientation of the first ray a soft tissue flap has to be planned and prepared for wound closure which otherwise would need larger grafts. RESULTS: Based on this series the clinical and radiological appearance of the congenital hallux varus are discussed. The operative treatment is explained step by step illustrated by photographs as well as planing scetches. Our procedures are compared to other operative methods reported in the literature. CONCLUSIONS: There are no diagnostic problems with the hallux varus deformity. For therapy surgery is mandatory and recommended between 9 and 24 months of age. For microsurgical preparation and correction of the deformity planning of all surgical steps and alternatives is advocated, this allows for good functional and cosmetic results.

Child, Preschool↗

PubMed1987

Pathomechanics of congenital and acquired hallux varus: a clinical and anatomical study.

Hallux varus was observed in 69 feet among patients from a rural Indian population. This included three types of congenital hallux varus. The congenital "primary" type was the commonest and was not associated with any other foot deformity. Among the acquired forms was idiopathic hallux varus of middle age, which developed spontaneously in unshod persons and progressed gradually. Hallux varus following chronic arthritis was part of a consistent pattern of foot deformities in which the first ray collapsed in a zig-zag manner in two planes. Although the development of hallux varus is often due to intrinsic muscle imbalance, hallux varus secondary to chronic arthritis seems to occur as a result of both intrinsic and extrinsic muscle imbalance associated with midtarsal and subtalar arthritis. Muscular factors contribute to progression of the deformity also. No anatomical basis for a racial predilection for the deformity was noted. Failure to use footwear could account for the higher incidence of hallux varus in India.

Adolescent↗

PubMed1986

Dynamic post-surgical hallux varus after lateral sesamoidectomy: treatment and prevention.

Hallux varus and clawing are occasionally seen after a McBride procedure, due to the severance of the flexor hallucis brevis, when the lateral sesamoid is removed. The present study includes six patients, (involving ten feet), who developed hallux varus and great toe clawing after McBride procedures were performed by various orthopedic surgeons. Treatment utilized partial proximal phalangeal resection, with and without silicone single-stem implants, extensor hallucis longus tendon transfer to the great toe metatarsal, and interphalangeal joint arthrodesis, or tenodesis of the great toe to correct clawing. One patient eventually required a great toe metatarsophalangeal joint fusion. This reconstructive surgery is generally effective by correcting capsular malalignment, the "bowstringing" tendency of the extensor hallucis longus, and great toe clawing that develops simultaneously with hallux varus. Lateral sesamoidectomy is risky, and believed unnecessary as adductor hallucis tenotomy is effective in relieving hallux valgus. Although, it can occur with excessive excision of the medial emminence and distal advancement of the abductor hallucis. The author is unaware of hallux varus developing after adductor hallucis tenotomies.

Adult↗

PubMed2000

[Tendon transfers in postoperative hallux varus. Apropos of 12 cases].

PURPOSE OF THE STUDY: Iatrogenic hallux varus deformity after bunion surgery is a post-operative condition in which the great toe is oriented in medial deviation in relation to the first metatarsal head. This overcorrection can be a disabling complication with poor cosmetic appearance. A review of the surgical literature showed a reported hallux varus incidence range of 2 p. 100 to 13 p. 100. Various surgical interventions to treat hallux varus are described in the literature and we present here our experience in operative management of acquired hallux varus based on the results of surgical repair with the Johnson (extensor hallucis longus tendon) EHLT transfer procedure and the Hawkins (abductor hallucis tendon) procedure in 12 patients. MATERIAL AND METHODS: All of the patients suffered from painful iatrogenic hallux varus and conservative treatment was unsuccessful in all cases. The mean duration of follow-up was 42 months (range 8-96). The average age was 37 years (range: 17 to 58). The index procedure in eleven patients was a Mc Bride bunionectomy and in one case a Petersen procedure. On physical examination, a claw deformity of the hallux characterized by extension of the metatarsophalangeal joint and flexion of the interphalangeal joint was noted in all feet. Eight transfers of the abductor hallucis tendon and four complete transfers of the extensor hallucis longus tendon with interphalangeal joint fusion were done. At the time of the final follow-up, patients were interviewed and graded using a standardized questionnaire based on pain, metatarso-phalangeal range of motion, alignment of the hallux, footwear requirements, walking capabilities and first ray rest. RESULTS: Eleven patients reported satisfactory results and one patient a fair result. Overcorrection was a potential complication and in this retrospective study, one bunion deformity recurred but was asymptomatic. On radiographic evaluation the hallux abductus angle was improved by a mean 26.6 degrees and the average first intermetatarsal angle was 7 degrees (range: 3 degrees to 12 degrees ). A narrowing of the metatarso-phalangeal joint was observed in four cases (2 Johnson and 2 Hawkins). DISCUSSION: The addition of a tendon transfer to the medial soft tissue release is recommanded in most cases of hallux varus in active patients without osteoarthritis of the metatarso-phalangeal joint. Our experience with the EHLT transfer or the abductor hallucis tendon transfer demonstrated excellent correction of the hallux varus deformity; however metatarso-phalangeal joint stiffness was frequently observed. As originally described by Johnson et Spiegl, the entire extensor hallucis longus tendon was used in conjunction with an interphalangeal joint arthrodesis in the presence of a fixed and painful deformity of the hallux interphalangeal joint. If no fixed claw deformity was present an abductor hallucis tendon transfer was preferred. Onset of degenerative disease involving the metatarso-phalangeal joint in four cases may jeopardize long term survival of these surgical results.

Adolescent↗

PubMedDate not supplied

Reverse Austin osteotomy for correction of hallux varus.

A case of hallux varus and extensus of unusual etiology and treatment is presented. Special emphasis is directed toward the angle formed between the first metatarsal base and medial cuneiform, which these investigators believe has not been previously described. The procedure performed is a reverse Austin bunionectomy with a step-by-step outline of soft tissue procedures attempted before osteotomy. The cartilage at the first metatarsal head was medially adapted and of normal structure and function preoperatively; therefore, the decision was made to perform a joint preservation procedure.

Female↗

PubMedDate not supplied

Hallux varus--a study of thirty cases.

Although both congenital and acquired hallux varus have been described, the deformity has been considered uncommon. Contrary to this belief, we noted that it is fairly common in the unshod population. Analysis of 30 cases shows that congenital hallux varus is the most common type encountered and it is of three types, namely: primary, secondary, and teratogenic. The congenital primary and secondary varieties are apparently easy to treat in infancy, but if left untreated, they progress with age in unshod persons. The more severe grades of hallux varus are associated with medial deviation of the lateral toes. Hallux varus occasionally develops in unshod persons during the fourth, fifth, or sixth decades of life. This is referred to as the idiopathic hallux varus of middle age. The length of the first metatarsal, the first intermetatarsal angle, and the shape of the first metatarsal head appear to have no bearing on the causation of hallux varus. The progression of the deformity in congenital cases and the de novo development of the deformity in middle age appear to be related to the failure to use footwear.

Adolescent↗

PubMedDate not supplied

Hallux varus: a step-wise approach for correction.

Iatrogenic hallux varus can be an unfortunate complication of hallux abducto valgus surgery. The correction of hallux varus must be performed in a well planned, step-wise method. The authors present both soft tissue and osseous corrections for hallux varus, with two case reports.

Clinical Protocols↗

PubMed1975

Acquired hallux varus: a preventable and correctable disorder.

Acquired hallux varus deformity of either the static or the dynamic type results from surgery to correct hallux valgus deformity and the accompanying bunion. The dynamic type is disfiguring, uncomfortable, and disappointing to the patient and surgeon alike. Linear as well as rotational forces are at work to produce the deformity. When recognized early, before fixation of the first digit has occurred in the deviated and clawed position, resection of the base of the proximal phalanx will correct the deformity. More radical treatment is required in the patient who is treated late. The experience with seven feet of five patients with acquired hallux varus deformity is presented here.

Adult↗

PubMed2004

Iatrogenic medial dislocation of hallucal sesamoids with hallux varus in an adolescent.

BACKGROUND: Iatrogenic hallux varus is a rare deformity linked to bunion surgery at late adult age. Here reported is the first adolescent case of acquired hallux varus and medial dislocation of both sesamoid bones. CASE REPORT: The patient had had a surgical intervention under his first metatarsophalangeal joint when he was 10 years old. Correction of the deformity with a tendon transfer and medial capsular release alone-as was recommended for adults-was impossible in this adolescent, 8 years after the index surgery. Excision of the contracted medial structures and repair of the lateral retinaculum of the fibular sesamoid obtained a perfect correction of the dislocated sesamoid bones.

Adolescent↗

PubMed1994

The operative treatment of acquired hallux varus.

Forty two patients (45 feet) who underwent operative correction of acquired hallux varus were retrospectively evaluated. The causes of hallux varus included complications after hallux valgus surgery (36), trauma (3), rheumatoid arthritis (3), unknown (2), and osteoarthritis (1). The methods of surgical correction were determined by the underlying etiology, the age and activity level of the patient, and the site of primary deformity. Surgical corrections included medial soft tissue release alone (2), medial soft tissue release combined with tendon transfer (17), metatarsal osteotomy with (1) or without (1) additional tendon transfer, arthrodesis (17), and resection arthroplasty (7). The tendon transfers used included a split extensor hallucis longus (6), an extensor hallucis longus transfer in combination with interphalangeal joint arthrodesis (7), and an extensor hallucis brevis (4). All patients were evaluated at a mean of 3.8 years (range, 1-7 years) after surgery. Pain, problems with shoe wear, and metatarsophalangeal joint instability, if present preoperatively, were improved in all treatment groups. An algorithm for the operative management of hallux varus is presented.

Adult↗

PubMedDate not supplied

Hallux varus--surgical correction and review of the literature.

Acquired hallux varus may follow correction of hallux abducto valgus by the modified McBride procedure. The authors discuss correction of both acquired and congenital hallux varus and show pre- and postoperative illustrations of both types.

Foot Deformities, Acquired↗

PubMed1997

Acquired hallux varus and clinical tolerability.

This retrospective study was undertaken to determine the long-term clinical problems, residual disability, and need for further surgery in patients with iatrogenic hallux varus. Between 1975 and 1985, in 16 (19 feet) of 83 patients who underwent foot surgery for hallux valgus or metatarsus primus varus, hallux varus deformity was noted at 1-year follow-up on dorsoplantar roentgenograms obtained with the patients bearing weight. Thirteen of those patients (16 feet) were reexamined at an average of 18.3 years (220 months) after surgery. The average hallux varus deformity in this group was 10.1 degrees. Eleven patients (12 feet) rated their results as excellent. The average hallux metatarsophalangeal interphalangeal score for all patients was 91.5 points. Only those with extreme hallux varus deformity were dissatisfied or required further surgery.

Adolescent↗