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At least 703 records · Page 39Linked to original sources
PubMed1984

[Tuberculous osteoarthritis of the foot and ankle joint].

The authors have reviewed 26 cases of tuberculosis of the foot and 32 of the ankle, which they have treated personally. All the patients were adults and most presented with advanced destruction of bone and joints. Bacterial and histological confirmation of the diagnosis was obtained in 56 patients. All were treated by chemotherapy; the drugs and regime varied over the years. All responded well to this treatment, but one relapsed after 24 months. Orthopaedic problems were usually managed by immobilisation in plaster casts, but 6 patients required arthrodesis, 5 of the ankle and one triple fusion. The functional results of the standard treatment were generally good. Arthrodesis is seldom needed and should be performed only for permanent pain or crippling deformity.

Adolescent↗
PubMed2001

Orthotic devices. Degenerative disorders of the foot and ankle.

Orthotic devices are an effective method of treating degenerative arthrosis of the foot and ankle. When combined with appropriate medications and activity modifications, operative intervention may be postponed or rendered unnecessary. A thorough comprehension of relevant anatomy, biomechanics, and available devices is crucial to maximize the benefits of this modality.

Ankle Joint↗
PubMed2000

Clinical application of the modified medially-mounted motor-driven hip gear joint for paraplegics.

PURPOSE: This paper describes a motor-driven orthosis for paraplegics which has been developed. This orthosis is composed of a medially-mounted motor-driven hip joint and bilateral knee-ankle-foot orthosis. With the gear mechanism, the virtual axis of the hip joint of this orthosis is almost as high as the anatomical hip joint. METHOD: A paraplegic patient with an injury level of T10/11 walked using bilateral lofstrand crutches and this new orthosis with or without the motor system. The motor is initiated by pushing a button attached at the edge of the grab of the crutches. RESULT: Faster cadence and speed and smaller rotation angle of the trunk was obtained in motor walking compared with non-motor walking. The patient did not feel fearful of falling. CONCLUSION: The benefit of motor orthosis is that it can be used even in patients with lower motor lesions and that it provides stable regulation of hip flexion movement in spastic patients. In conclusion, this motor orthosis will enhance paraplegic walking.

Adult↗
PubMed1992

Isolated fracture-dislocations of the first tarsometatarsal joint.

Eight cases of isolated fracture-dislocation of the first tarsometatarsal joint are presented. This is an uncommon injury and a distinct entity from other tarsometatarsal joint injuries. Reduction of both the fracture and the dislocation is easy but is unstable. Kirschner wire and screw fixation adequately stabilizes the reduction and gives good results. Results of conservatively treated cases are usually poor, since redisplacement in plaster is quite common.

Accidents, Traffic↗
PubMed1991

Open subtalar dislocation.

Open subtalar dislocation is a rare injury, accounting for about 0.1% of all dislocations and, consequently, the natural history and outcome of this injury and their relevance to treatment are not well documented. A retrospective study at Westmead Hospital revealed 10 patients who presented with this injury between 1978 and 1988. We had the opportunity to review all of these patients in 1987 and again in 1989. We found a high incidence (60%) of poor results, and that the only factor that influenced the outcome was infection. It is concluded that the poor prognosis is due to the nature of the injury itself, rather than any particular factors in the subsequent management. Specifically, there was no relation to the direction of the dislocation, the presence of fractures in the foot, the time elapsed before reduction, or the period of immobilization.

Adult↗
PubMed2002

PLA screw fixation of Lisfranc injuries.

Fourteen patients with Lisfranc injuries were treated with open reduction and internal fixation with PLA absorbable screw fixation by a single surgeon. From one to four PLA screws were used in each case (average two). In four patients, K-wires were inserted and removed at six weeks following surgery for instability of the fourth and/or fifth tarsometatarsal joints. Average follow-up was 20 months (range, three to 45 months). No patient was noted to have a soft tissue reaction to the screws. No evidence of osteolysis was noted on any of the follow-up X-rays at the screw sites. No loss of reduction was noted in any follow-up X-rays compared to immediate postoperative radiographs. The use of absorbable screws in this small series was found to be safe, without reaction and obviated the need for screw removal at short-term follow-up.

Adolescent↗
PubMed1981

Talonavicular joint surface anatomy and prototype resurfacing prostheses.

The curvature and extent of a joint surface largely determine the type and range of motion possible. The talonavicular surface anatomy of 10 human foot specimens has been determined quantitatively, and the data have been compared with the design parameters for a prototype prosthetic joint. It was found that, in general, the natural talus as compared with the navicular was slightly larger in surface area and in mean arc length, but slightly smaller in mean radius of curvature. The arc length of the joint was found to be generally slightly longer along an axis positioned from slightly medial of dorsal to slightly lateral of ventral. In contrast, no general orientation of the radius of curvature was observed. Also, it was found that the congruency between the talus and navicular surfaces, as indicated by corresponding radii of curvature, varied widely. In comparison to the human specimens, a previously designed prototype talonavicular prosthesis proved somewhat smaller in radius, arc length, and surface area. Experimental studies related to other prosthesis design parameters, besides type and range of motion, are in progress.

Female↗
PubMed1991

Triple arthrodesis in adults.

Twenty-two adult patients who underwent a triple arthrodesis because of hindfoot pain and/or deformity were reviewed retrospectively with a minimum 3-year follow-up. All procedures were performed by the same surgeon using a two-incision technique and internal fixation. Objective results were good in eight (36%) patients, fair in 13 (59%), and poor in one (5%). There were two asymptomatic nonunions of the talonavicular joint, no infections, and no neuromas. Eleven patients had radiographic evidence of tibiotalar arthritis, and eleven patients had midfoot arthritic changes that had progressed after the operation. Patient satisfaction with the procedure was high, and 21 of 22 (95%) patients felt that they were improved overall and would have the surgery again if indicated. Although the procedure is technically demanding, patient satisfaction is high and complications can be kept to a minimum if proper surgical technique is utilized.

Adult↗
PubMed1995

The deep peroneal nerve in the foot and ankle: an anatomic study.

Injury to the deep peroneal nerve in the foot and ankle may result from trauma, repetitive mechanical irritation, or iatrogenic harm. The nerve is most susceptible to injury along its more distal anatomic course. Dissection of 17 cadaver specimens was undertaken to describe the course of the deep peroneal nerve and quantify its branch patterns. In the distal one third of the leg, the nerve was located superficial to the anterior tibial artery between the tibialis anterior and extensor hallucis longus muscles. Typically, the nerve crossed deep to the extensor hallucis longus tendon to enter the interval between the extensor hallucis longus and extensor digitorum longus at an average distance of 12.5 mm proximal to the ankle. A proximal bifurcation was usually present at an average distance of 12.4 mm distal to the mortise. The lateral terminal branch penetrated the deep surface of the extensor digitorum brevis to provide motor innervation. The medial terminal branch passed over the talonavicular joint capsule, and coursed an average of 2.9 mm lateral to the first tarsometatarsal joint. Within the forefoot, it passed deep to the extensor hallucis brevis tendon, bifurcated in the midmetatarsal region, and then arborized, supplying sensibility to the first toe interspace and the adjacent sides of the first and second toes.

Ankle↗
PubMed1999

Mobility of the first tarsometatarsal joint in relation to hallux valgus deformity: anatomical and biomechanical aspects.

Hypermobility of the first tarsometatarsal (TMT 1) joint is suggested to be an important factor in the cause and progression of hallux valgus deformity. Hypermobility of the TMT 1 joint is tested clinically in the sagittal plane, but an important deformation also exists in the transversal plane: metatarsus primus varus. This in vitro study was undertaken to investigate the relation between the mobility of the TMT 1 joint in these two planes and to investigate the correlation of the mobility with morphological variables. A second aim was to study the possible stabilizing effect of the tibialis anterior muscle, flexor hallucis longus muscle, and peroneus longus muscle on the TMT 1 joint. Nine embalmed human specimens were tested under standardized conditions. A 30-N force was applied to the head of the first metatarsal (MT 1) to pull in either the dorsal or medial direction. To simulate muscle force, 21 N was applied to the three tendons: all seven possible combinations of muscle action were tested in each plane of motion. Angular displacements were measured using 2-dimensional LED video registration. TMT 1 mobility is a relevant factor in MT 1 mobility in the sagittal and transversal planes, the peroneus longus has a stabilizing effect on this joint, and the effect of the flexor hallucis longus on this joint is different in both planes. When considering a Lapidus procedure for surgically correcting a hallux valgus, the mobility of MT 1 in the transversal plane should also be assessed, but so far no objective clinical test in this plane has been described.

Aged↗
PubMed1982

Injuries to the tarsometatarsal joint. Incidence, classification and treatment.

Injuries to the tarsometatarsal (Lisfranc) joint are not common, and the results of treatment are often unsatisfactory. Since no individual is likely to see many such injuries, we decided to make a retrospective study of patients from five different centres. In this way 119 patients with injuries of the Lisfranc joint have been collected. This paper classifies these injuries and describes their incidence, mechanism of production, methods of treatment, results and complications. Sixty-nine of the patients attended for review: 35 of these had been treated by closed methods, 27 had had an open reduction and seven patients had had no treatment. On the basis of our study we suggest that these injuries should be classified according to the type of injury rather than the nature of the deforming force and that their treatment be based upon this classification. It seems that, whatever the severity of the initial injury, prognosis depends on accurate reduction and its maintenance.

Adult↗
PubMed2003

Influence of liver copper status of mare and newborn foal on the development of osteochondrotic lesions.

REASON FOR PERFORMING STUDY: To elucidate the highly contentious role of copper in the pathogenesis of osteochondrosis. HYPOTHESIS: There would be no relationship between liver copper concentration of mares and foals and incidence of radiographically detectable osteochondrotic lesions in foals and yearlings was tested. METHODS: Liver copper concentration was assessed in biopsies taken within 4 days after birth from both mares and foals and from the same foals at age 5 months. Biopsies were taken in the standing, sedated animal under ultrasonographic guidance. Radiographs were taken of both hocks (lateromedial, dorsoplantar and dorsomedial-plantarolateral oblique views) and stifles (lateromedial and caudolateral-craniomedial oblique views) at ages 5 and 11 months and scored for the presence and severity of osteochondrotic lesions. RESULTS: Copper concentrations in newborn foals were high with a large variation (351 +/- 201 mg/kg DM). They declined until reaching values comparable to those in mature animals at 5 months (20 +/- 8 mg/kg DM; mares: 19 +/- 20 mg/kg DM). Radiographic osteochondrotic lesions decreased in number and severity from 5 to 11 months. This pattern was more predominant in the stifle than in the hock, as has been described previously. CONCLUSIONS: There was no relationship between foal or mare liver copper concentration and osteochondrosis status at either 5 or 11 months. However, osteochondrotic lesions in foals with low-level copper status at birth decreased significantly less in number and severity than those in foals with high-level copper status at birth. POTENTIAL RELEVANCE: It is concluded that copper is not likely to be an important factor in the aetiopathogenesis of osteochondrosis, but this study indicates that there may be a significant effect of high copper status on the natural process of repair of early lesions.

Animal Feed↗
PubMedDate not supplied

Technical considerations in tarsometatarsal joint arthrodesis.

Tarsometatarsal arthrodesis is indicated for degenerative joint disease after trauma. Deformity is often associated with post-traumatic arthropathy. Outcomes after surgical management are directly related to realignment. This article reviews the indications, preoperative evaluation, technical execution, and postoperative management of tarsometatarsal arthrodesis. Special emphasis is placed on realignment and restoration of normal foot architecture.

Arthrodesis↗