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PubMed1989

Modified Lapidus procedure for hallux valgus.

A modified Lapidus procedure was introduced at Harborview Medical Center in 1979 for the treatment of symptomatic hallux valgus with hypermobile first ray. The results of the procedures were reviewed retrospectively in 32 patients with 40 feet that were operated on between 1979 and 1984. Preoperative diagnosis was symptomatic hallux valgus complex with hypermobile first ray in 33 and failed bunion surgery in 7. Follow-up ranged from 30 months to 6 1/2 years. Union of the arthrodesis site occurred in 36 (90%). The average preoperative intrametatarsal angle was 14 degrees (range 7.5 to 20 degrees) and the hallux valgus angle was 26 degrees (range 0 to 50 degrees). At healing, the angles were as follows: intermetatarsal angle 6 degrees (range 0 to 18 degrees) and hallux valgus angle 11 degrees (range -3 to 30 degrees). The average change in the length of the first metatarsal was -5 mm for those without bone graft and +4 mm for those with bone graft. Of 33 feet operated on as a primary procedure, successful results were reported in 75% by our rating system. Of 7 feet operated on for failed previous surgery, all were improved. Best results were obtained in those with multiple screw fixation, use of bone graft, and attention to plantarflexion of the first metatarsal.

Arthrodesis↗
PubMed1991

Roentgenographic assessment in hallux valgus.

Which simple roentgenographic angle should be used to assess medial (varus) deviation of the first metatarsal in cases of hallux valgus has been a topic of debate. Measurements were made from roentgenograms of 100 symptomatic feet in women with hallux valgus. These were compared with similar measurements obtained from symptomatic normal feet of women of a similar age distribution. The hallux valgus angle was associated with medial deviation of the first metatarsal measured by all three of the parameters defined and tested, i.e., the intermetatarsal, metatarsus primus varus, and metatarsus omnis varus angles. Of these, the best measure was the intermetatarsal angle, which in the hallux valgus feet differed significantly from controls more than the other measurements. No evidence was found to support any concept of second metatarsal deviation from normal.

Adolescent↗
PubMedDate not supplied

Chevron osteotomy in the treatment of hallux valgus.

Fifty patients who underwent 80 chevron osteotomies for symptomatic hallux valgus were re-examined and assessed 4 years and 7 months (average) after surgery. Forty-five of the patients were satisfied with the result of their surgery, three patients suffered recurrence of their deformity and two had continuance of their symptomatology. The major complications noted were intraoperative intra-articular fracture of the metatarsal head in five feet, loss of initial repair in three feet, and tilt of the distal fragment (metatarsal head) in two feet. The Chevron osteotomy is a relatively simple procedure that corrects the varus deformity of the first metatarsal, realigns the valgus orientation of the metatarsal head, corrects the hallux valgus deformity, and improves symptomatology.

Adult↗
PubMedDate not supplied

Surgical management of hallux valgus deformity in children with cerebral palsy.

Twenty-six cases of hallux valgus deformity, in 16 children with cerebral palsy, were managed with great toe metatarsophalangeal (MTP) arthrodesis. Mean age at the time of surgery was 16 years (range, 10 years and 11 months to 21 years and 11 months), and mean follow-up was 4 years and 11 months (range, 2 years and 1 month to 10 years). Significant improvement in the hallux valgus angle (preoperative, 36.3 degrees; follow-up, 9.6 degrees; p < 0.05), the intermetatarsal angle (preoperative, 12.3 degrees; follow-up, 8.4 degrees; p < 0.05), and lateral metatarsophalangeal angle (preoperative, 4.8 degrees; follow-up, 25.8 degrees; p < 0.05), were achieved and maintained after MTP arthrodesis. Functional outcome was documented by significant improvement in the modified American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-Interphalangeal Scale (preoperative mean score, 46.2; follow-up mean score, 90.9; p < 0.05). Patient/ parent/caregiver satisfaction (as determined by a questionnaire), with improvements in cosmesis, footwear, hygiene, activity, and pain were high, ranging from 81% to 100%. Hallux valgus deformity in children with cerebral palsy is best managed by MTP arthrodesis, in conjunction with other surgical procedures that address segmental foot malalignment and dynamic gait deviations.

Adolescent↗
PubMed2000

Distal soft tissue procedure and proximal metatarsal osteotomy in hallux valgus.

The results of a distal soft tissue procedure and a proximal metatarsal osteotomy in patients with symptomatic hallux valgus deformity were reviewed. The series consisted of 33 patients (47 feet; mean age of patients, 44 years). The average followup period was 48 months. At followup, 41 feet (29 patients, 85%) were free from pain at the first metatarsophalangeal joint. In six feet (four patients), the pain was improved but persisted. The mean hallux valgus angle was 38 degrees before surgery and 13.8 degrees after surgery. The mean intermetatarsal angle was 17.7 degrees before surgery and 7 degrees after surgery. The postoperative hallux valgus angle and intermetatarsal angle in patients who had pain at the first metatarsophalangeal joint after surgery were greater than those in patients without pain after surgery. This procedure corrects the hallux valgus deformity and relieves the symptoms, but careful attention should be paid to the surgical technique to obtain consistent and satisfactory results.

Adolescent↗
PubMed2001

Quantification of first tarsometatarsal joint stiffness in hallux valgus patients.

OBJECTIVE: Comparison of the clinical mobility test of the first tarsometatarsal joint with Doppler Imaging of Vibrations measurement of the stiffness of this joint in hallux valgus patients. DESIGN: Clinical testing of first tarsometatarsal joint mobility was related to independent Doppler Imaging of Vibrations measurement of first tarsometatarsal joint stiffness. BACKGROUND: Hypermobility of the first tarsometatarsal joint has consequences for the surgical treatment of hallux valgus deformity. However, the clinical test is subjective. Doppler Imaging of Vibrations could be helpful in quantification of the stiffness of this joint. METHODS: Clinical examination of the mobility of 32 first tarsometatarsal joints in 20 hallux valgus patients was compared with Doppler Imaging of Vibrations stiffness measurements performed by an independent observer. RESULTS: There was a statistically significant relation between the clinical test and the stiffness measurement by Doppler Imaging of Vibrations. CONCLUSION: Doppler Imaging of Vibrations proves to be a method to quantify first tarsometatarsal joint stiffness and could contribute to a rational policy for the surgical treatment of hallux valgus deformity. RELEVANCE: The clinical test to establish hypermobility of the first tarsometatarsal joint is subjective. Doppler Imaging of Vibrations offers objective criteria and quantification of first tarsometatarsal joint stiffness. This provides additional information for the choice of the surgical procedure to correct hallux valgus deformity.

Biomechanical Phenomena↗
PubMed2006

Surgical treatment of mild hallux valgus deformity: the state of practice among academic foot and ankle surgeons.

BACKGROUND: The purpose of this study was to determine the operative procedure of choice among academic foot and ankle surgeons practicing in the United States for treatment of mild hallux valgus deformity. METHODS: A hypothetical patient was created: a 60-year-old woman with a mild hallux valgus deformity (first intermetatarsal angle of 11 degrees and hallux valgus angle of 22 degrees). The patient complained of pain around the bunion, nonoperative treatment had failed, and she desired operative correction. The case was sent to academic foot and ankle surgeons to identify their operative treatment of choice. The overall response rate was 83.7% (128 of 153). To be included in the study group each surgeon had 1) foot and ankle patients comprising 50% or more of their clinical practice and 2) direct responsibility for teaching orthopaedic surgery residents. One hundred and three respondents met the inclusion criteria and formed the study group. RESULTS: Eighty-seven percent (90 of 103) reported that they would use a distal chevron osteotomy as their primary procedure to correct the mild hallux valgus. Ten percent (10 of 103) reported that they would also add an Akin osteotomy of the proximal phalanx to enhance correction. CONCLUSIONS: Most respondents chose a distal chevron osteotomy as their primary procedure to correct the mild hallux valgus deformity.

Aged↗
PubMed1996

[Treatment of hallux valgus. Distal soft-tissue procedures and proximal metatarsal osteotomy].

Correction of the hallux valgus deformity is dependent upon recognition of the specific anatomic deformity, followed by selection of a procedure that addresses the specific deformity. A hallux valgus deformity with a subluxated metatarsophalangeal joint has a soft tissue and bony component, both of which need to be corrected, or a recurrence may result. The distal soft tissue procedure addresses the lateral soft tissue contracture by releasing the adductor hallucis, lateral joint capsule and transverse metatarsal ligament. The capsule is medially elongated and the medial eminence needs to be excised. When metatarsus adductus is present, a proximal metatarsal osteotomy should be carried out to correct the bony deformity. If the intermetatarsal angle is not corrected adequately, a recurrence of the hallux valgus is likely since a soft tissue procedure alone could not be expected to correct the bony deformity created by the increased intermetatarsal angle. Postoperatively the correction needs to be supported with a firm compression dressing for 8 weeks to be sure the corrected alignment is maintained until healing of the soft tissues and osteotomy occurs.

Hallux Valgus↗
PubMed2006

Scarf osteotomy for hallux valgus deformity: an intermediate followup of clinical and radiographic outcomes.

BACKGROUND: The scarf osteotomy is a versatile and reproducible procedure for the correction of moderate to severe hallux valgus deformity (intermetatarsal angle 12 to 20 degrees hallux valgus angle 20 to 46 degrees). METHODS: We evaluated the results of 27 consecutive scarf osteotomies at an average followup of 16.1 months. Radiographic parameters, foot pressure analysis, and AOFAS scores were analyzed before and after surgery. RESULTS: Hallux valgus angles improved from 34.5 to 16.9 degrees, intermetatarsal angles improved from 15.4 to 10.1 degrees, AOFAS scores improved from 54.5 to 86.5. There was no change between the preoperative and postoperative relative lengths of the first and second metatarsals, defined as the difference between the first and second metatarsal lengths. The measurement was based on the anteroposterior standing radiographs and measured by a line intersecting the midway point at the diaphyseal-metaphyseal junction of the metatarsal and extending from the most proximal to distal aspects of the bone. The angle of Meary (talo-first metatarsal angle) did not change, except in one patient. Foot pressure analysis showed no evidence of transfer metatarsal lesions. The complication rate was 1.1% including superficial infection and recurrence. CONCLUSIONS: The scarf osteotomy provides a predictable and effective correction of moderate to severe hallux valgus deformities.

Adolescent↗
PubMed1999

Treatment of hallux valgus with an increased distal metatarsal articular angle: evaluation of double and triple first ray osteotomies.

During a 12-year period in which 878 hallux valgus corrections were performed, 18 patients (21 feet) with symptomatic hallux valgus deformity and an increased distal metatarsal articular angle (DMAA) underwent periarticular osteotomies (double or triple first ray osteotomies). They were studied retrospectively at an average follow-up of 33 months. The surgical technique comprised a closing wedge distal first metatarsal osteotomy combined with either a proximal first metatarsal osteotomy or an opening wedge cuneiform osteotomy (double osteotomy). When a phalangeal osteotomy was added, the procedure was termed a "triple osteotomy." The average age of the patients at the time of surgery was 26 years. At final follow-up, the average hallux valgus correction measured 23 degrees and the average 1-2 intermetatarsal angle correction was 9 degrees. The DMAA averaged 23 degrees preoperatively and was corrected to an average of 9 degrees postoperatively. One patient developed a postoperative hallux varus deformity, and one patient developed a malunion, both of which required a second surgery. A hallux valgus deformity with an increased DMAA can be successfully treated with multiple first ray osteotomies that maintain articular congruity of the first metatarsophalangeal joint.

Adolescent↗
PubMed2002

[Short-term results of proximal oblique crescentic osteotomy in hallux valgus].

OBJECTIVES: We evaluated the short-term results of a combination of distal soft tissue procedure and a modification of proximal crescentic osteotomy, namely, proximal oblique crescentic osteotomy (POCO) in moderate to severe hallux valgus. METHODS: Twenty-five male patients (mean age 21 years; range 19 to 26 years) with moderate to severe hallux valgus and incongruent joint were treated by the distal soft tissue procedure and POCO. Objective evaluations included the hallux valgus angle, the intermetatarsal angle, shortening of the first metatarsal bone, and angulation at the osteotomy site on weight-bearing anteroposterior and lateral radiographs of the foot obtained before surgery and for final examinations. Subjective evaluation was made with the use of a patient questionnaire whose overall scores ranged from 6 (completely satisfied) to 18 (completely dissatisfied). The mean follow-up period was 44 weeks (range 28 to 52 weeks). RESULTS: The mean corrections in the hallux valgus angle and the intermetatarsal angle were 22.1 degrees and 10.8 degrees, respectively. Shortening of the first metatarsal bone (mean 3 mm) occurred in five patients and dorsiflexion deformity of the metatarsal head in one patient, which did not lead to transfer metatarsalgia. Nine patients expressed complete satisfaction (36%), followed by seven and six patients with scores of 7 and 8, respectively. The least satisfaction score was 12 in one patient. CONCLUSION: The results suggest that metatarsus primus varus, which is the main deformity in moderate to severe hallux valgus, can be corrected by POCO. This technique may be preferable in terms of ease and a low complication rate.

Adult↗
PubMed1992

Modification of the crescentic osteotomy for hallux valgus correction. A preliminary report.

A new proximal osteotomy for hallux valgus correction, which has several advantages, is presented. These advantages include good stability; ease of rigid, two-point internal fixation; accurate, reproducible correction of the intermetatarsal angle; minimal shortening or elevation of the metatarsal; and early weightbearing. Preliminary results on 12 feet of 12 patients over a 3-year period have been encouraging and may indicate that this osteotomy is a viable alternative when considering proximal osteotomy for correction of hallux valgus.

Hallux Valgus↗
PubMed2002

New radiographic analysis of sesamoid rotation in hallux valgus: comparison with conventional evaluation methods.

The position of the hallucal sesamoids needs to be included in evaluation of hallux valgus. In order to quantify the rotational position of the hallucal sesamoids, a new weightbearing tangential radiograph was established by means of a specially designed tangential positioning device. This device has a depression, and a tangential radiograph is taken with the metatarsophalangeal joint at 45 degrees dorsiflexion. A lead marker plate is placed on the depression to show the horizontal plane, and the sesamoid rotation angle (SRA) is measured. The SRA is the angle between the tangential line of the most inferior aspect of the medial-lateral sesamoids and the lead marker line. The SRA was compared with values of the four-grade scale and seven-position scale which were measured from the antero-posterior view, with respect to the hallux valgus angle (HVA), by means of conventional methods. Measurements were made of 58 feet in 29 patients with hallux valgus and 64 feet in 32 normal subjects. The SRA showed the highest correlation among the three parameters (r=0.817). Some cases had a disparity regarding the position of the sesamoids between the tangential view and the AP view due to misclassification on the AP view. We conclude that the scale of position of the sesamoid on the AP view is not valid in some cases, whereas the SRA is useful for assessing quantitatively the rotational position of the hallucal sesamoids in cases of hallux valgus.

Adolescent↗
PubMed2005

Percutaneous distal metatarsal osteotomy for correction of hallux valgus.

BACKGROUND: Distal osteotomy of the first metatarsal is indicated for the surgical treatment of mild-to-moderate hallux valgus deformity. The aim of this study was to evaluate the results of a subcapital distal osteotomy of the first metatarsal with use of a percutaneous technique. METHODS: From 1996 to 2001, 118 consecutive percutaneous distal osteotomies of the first metatarsal were performed for the treatment of painful mild-to-moderate hallux valgus in eighty-two patients. The patients were assessed with a clinical and radiographic protocol at a mean of 35.9 months postoperatively. The American Orthopaedic Foot and Ankle Society (AOFAS) hallux-metatarsophalangeal-interphalangeal scale was used for the clinical assessment. RESULTS: The patients were satisfied following 107 (91%) of the 118 procedures. The mean score on the AOFAS scale was 88.2 +/- 12.9 points. The postoperative radiographic assessments showed a significant change (p < 0.05), compared with the preoperative values, in the mean hallux valgus angle, first intermetatarsal angle, distal metatarsal articular angle, and sesamoid position. The valgus deformity recurred after three procedures (2.5%), the first metatarsophalangeal joint was stiff but not painful after eight (6.8%), and a deep infection developed after one (0.8%). The infection resolved with antibiotic therapy. CONCLUSIONS: The percutaneous technique proved to be reliable for the correct execution of a distal linear osteotomy of the first metatarsal for the correction of a painful mild-to-moderate hallux valgus deformity. The clinical results appear to be comparable with those obtainable with traditional open techniques, with the additional advantages of a minimally invasive procedure, a substantially shorter operating time, and a reduced risk of complications related to surgical exposure.

Adolescent↗
PubMed2002

Insertion of the tendon of the tibialis anterior muscle in feet with and without hallux valgus.

The insertion of the tendon of the tibialis anterior muscle may be related to pathologic changes of the foot and, in particular, hallux valgus. Morphologic data should enable evaluation of such a relationship and perhaps offer a basis for improved therapy. One hundred fifty-six embalmed feet, including 27 with hallux valgus, were examined. The tendon of the tibialis anterior muscle was dissected and measurements were made, including the width of the insertion on the first metatarsal and medial cuneiform. Distal-superficial and proximal-deep slips of the tendon twisted around each other. Two specimens presented with an insertion only on the medial cuneiform; in two other cases the insertion was limited to the first metatarsal; in one case the tendon inserted into the navicular and the medial cuneiform; in all other cases, the tendon inserted into the medial cuneiform and first metatarsal. The insertion was mainly located along the plantar margin of the medial side of the foot; some of the proximal-deep fibers also passed onto the plantar surface. Fibers inserting on the first metatarsal bone can outwardly rotate the first ray, which is opposite to the inward rotation of the first ray in hallux valgus. In all feet with hallux valgus these fibers were present. Therefore, it is unlikely that this deformity develops because of a specific type of insertion of the tendon of the tibialis anterior muscle, and any therapeutic approach altering the attachment of the tibialis anterior tendon would cause no biomechanical improvement.

Adult↗
PubMed1996

Distal chevron osteotomy with intra-articular lateral soft-tissue release for treatment of moderate to severe hallux valgus deformity.

We retrospectively reviewed the results of 32 patients (38 feet), with hallux valgus angles between 35 degrees and 60 degrees, who were treated by standard distal chevron osteotomy and intra-articular lateral soft tissue release. The average follow-up period was 5.2 years (4-7 years). The preoperative intermetatarsal angle averaged 14.4 degrees, and the postoperative angle averaged 7.7 degrees. The preoperative hallux valgus angle averaged 42.7 degrees, and the postoperative angle averaged 18.8 degrees. Subjectively, the satisfaction rate in terms of symptom improvement, cosmetic appearance and function was over 90%. Avascular necrosis of the first metatarsal head was not found in our series, which indicated that additional lateral soft tissue release is not contraindicated in combination with chevron osteotomy. Based on the level of satisfaction in our series, we conclude that the combination of distal chevron osteotomy and intraarticular lateral soft tissue release has broader application than the chevron osteotomy alone for patients with hallux valgus deformity.

Hallux Valgus↗
PubMed1981

The prevalence of hallux valgus in three South African populations.

The prevalence of hallux valgus and its relationship to the metatarsal angles have been assessed in females between the ages of 2 and 20 years in three populations: an urban White community, an urban Black community and a rural Black Community. By the age of 10 years the mean hallux angle is significantly greater in the White girls than in girls in the two Black groups. The angle between the first and second metatarsals is greater in the White than in the black children and this difference increases throughout childhood and adolescence. It is suggested that young White girls may be predisposed to the abnormality of hallux valgus by having significantly greater metatarsal angles.

Adolescent↗
PubMed1996

Geometric data of hallux valgus feet.

The aim of this study is to find basic quantitative geometric data that may contribute to the understanding of the etiology of hallux valgus. Embalmed specimens with existing hallux valgus (N = 39) were dissected; 28 variables were measured with a Vernier caliper gauge and toe goniometer. Correlations between pairs of independent variables were calculated. Linear dependency of the hallux angle, varus angle, and the width of the forefoot on a number of independent variables was analyzed by multiple linear regression. A least squares method and a stepwise procedure were used. The distance from the tendon of the flexor hallucis longus muscle to the head of the first metatarsal bone explains more than other variables the variation in hallux angle and width of the forefoot. A widened forefoot is significantly correlated with both hallux and varus angles. The interrelation of the predictor parameters illustrates the complicated hallux valgus phenomenon.

Aged↗