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PubMed1988

Supracondylar fractures of the humerus: prediction of the cubitus varus deformity with CT.

Rotation of the distal fracture fragment in the supracondylar fracture is a contributing factor in the development of the cubitus varus deformity. Computed tomography (CT) is superior to conventional radiography in the assessment of the position of fracture fragments and was used to study 20 patients with supracondylar fractures after reduction. These fractures were followed up with radiography until healed. As determined from CT scans, rotation of the distal fracture fragment of greater than 10 degrees resulted in an abnormal Baumann angle and a cubitus varus deformity in all patients. Use of CT should facilitate the identification of this complication and thus treatment of these fractures and prevention of subsequent deformity.

Child↗
PubMedDate not supplied

High tibial osteotomy and ligament reconstruction for varus angulated anterior cruciate ligament-deficient knees.

In a consecutive series, we treated 41 young patients who had anterior cruciate ligament deficiency, lower limb varus angulation, and varying amounts of posterolateral ligament deficiency. Seventy-three percent of the patients (N = 30) had lost the medial meniscus and 63% (N = 26) had marked articular cartilage damage in the medial compartment. All patients were treated with high tibial osteotomy and, in the majority (N = 34), anterior cruciate ligament reconstruction a mean of 8 months later. Posterolateral reconstructions were also required in 18 knees. A 100% follow-up was obtained at a mean of 4.5 years after osteotomy. Gait analysis testing was done in 17 knees before and after osteotomy. At follow-up, a reduction in pain was found in 71% (29 knees); elimination of giving way, in 85% (35 knees); and resumption of light recreational activities without symptoms, in 66% (27 knees). The patient rating of the knee condition was normal or very good in 37% (15 knees) and good in 34% (14 knees). The mean Cincinnati Knee Rating Score significantly improved from 63 to 82 points. The mean adduction moment, 35% higher than controls preoperatively, significantly decreased to below normal values postoperatively. Correction of varus alignment was maintained in 33 knees (80%). We recommend osteotomy in addition to ligament reconstructive procedures in these knees with complex injury patterns.

Adolescent↗
PubMedDate not supplied

Varus and valgus foot in cerebral palsy and its management.

Varus and valgus foot, often associated with equinus, are common problems in cerebral palsy. These deformities can interfere with standing or walking, aggravate shoe wear, and lead to painful calluses on pressure areas of the foot. The deformities are caused by a basic muscle imbalance. If the posterior or anterior tibial muscles are overactive, the foot will swing into varus. If the peroneal muscles predominate, the foot assumes a valgus position. However, the alignment of the hip and knee play an important role in the production of deformity. Correction of the deformity must be preceded by assessment of the deforming forces. In the younger child, simple muscle releases weaken the overpowering muscles and help restore muscle balance. In some instances, muscle transfers, either whole or split, not only alleviate the deforming force but also may provide needed support for the weaker muscles. Once bone deformities are established, they must be corrected either prior to or simultaneously with muscle procedures. The purposes of this article is to outline the evaluation of the deformity and the various soft tissue and bone operations which can be performed to correct them in order to obtain a satisfactory plantigrade foot.

Arthrodesis↗
PubMed1989

Osteotomy of the first metatarsal base for metatarsus primus varus.

An opening wedge osteotomy of the first metatarsal base using either iliac crest bone or the removed exostosis as a graft was used to treat metatarsus primus varus in 22 feet of 15 patients. The preoperative intermetatarsal angle averaged 15 degrees, with the final angle averaging 8 degrees. All osteotomies healed in 3 months with excellent cosmetic and functional results and no difference between iliac crest and exostosis grafts. We conclude that an opening wedge osteotomy of the first metatarsal base is a satisfactory method for the correction of metatarsus primus varus.

Adolescent↗
PubMed1995

Iatrogenic hallux varus surgical procedure: a study of 14 cases.

Hallux varus occurs most frequently as a result of excessive surgical correction of musculoligamentous imbalance around the metatarsophalangeal (MTP) joint of the great toe (lateral release and medial capsuloligamentous tensioning). If untreated, the condition may lead to motion loss and degenerative arthritis. In this series, 14 cases of hallux varus were treated. Medial arthrolysis was done in each case. In five cases, reconstruction of the lateral ligament (with a 1.5-mm Ligapro suture), using a new technique, accompanied the medial release. Arthrodesis of the MTP was done in nine cases treated when there was already stiffness and arthrosis. According to a 100-point scoring system, the results were excellent in 56% and good in 44% of the MTP joint arthrodesis cases. Results were excellent in 100% of the mobilizing technique cases using Ligapro suture.

Adult↗
PubMed1996

Results of hallux varus correction using an extensor hallucis brevis tenodesis.

We have used an extensor hallucis brevis tenodesis procedure to treat symptomatic hallux varus in six patients (five women and one man). Indications for this procedure include the presence of flexible metatarsophalangeal and interphalangeal joints and the absence of arthritis. In this group (mean age, 47 years; range, 18-65 years), hallux varus followed correction of hallux valgus deformity in five patients and traumatic dislocation of the hallux in one patient. Excellent correction was noted and maintained in all patients at a mean interval of 28 months (range, 24-32 months) after surgery. Despite a slight decrease in dorsiflexion following surgery (average, 10 degrees), there were no additional complications noted, and the mean American Orthopaedic Foot and Ankle Society rating score improved from 61 to 85 after surgery.

Adolescent↗
PubMed1999

Basal closing wedge osteotomy for correction of hallux valgus and metatarsus primus varus: 10- to 22-year follow-up.

Between 1974 and 1985, 59 patients (83 feet) underwent basal closing wedge osteotomy in combination with a bunionectomy and a lateral soft tissue release for correction of hallux valgus and metatarsus primus varus at this institution. Of the original 59 patients, 42 patients (60 feet) with at least 10 years of follow-up (average, 194 months; range, 144-266 months) were available for this study. Results were analyzed by review of the medical records and plain radiographs, a standardized clinical questionnaire, and physical examination. Of the 60 feet, patients rated outcomes as excellent or good in 51 feet (85%) and rated cosmesis as excellent or good in 44 feet (73%). Radiographically at final follow-up, hallux valgus and intermetatarsal angles averaged 19.9 degrees (range, 0-40 degrees) and 6.7 degrees (range, 0-18 degrees), respectively. The sesamoid position was corrected from an average preoperative grade of 2.6 to a grade of 0.9 at final follow-up. The average shortening of the first metatarsal was 5 mm. The disadvantages of the closing wedge osteotomy are that it is technically demanding and it entails the risk of shortening, dorsal malalignment, and metatarsalgia. In the current study, long-term complications included hallux varus deformity (16 feet), dorsal malalignment (15 feet), and metatarsalgia (14 feet). Despite good correction of the intermetatarsal angle and sesamoid position, the clinical results and the incidence of complications after basal closing wedge osteotomy were not as favorable as those reported for other procedures in the literature. Therefore, alternative procedures, such as the basal crescentic osteotomy or the basal chevron osteotomy, should be used.

Adolescent↗
PubMed2005

Axial correction of pes varus by transverse-opening wedge osteotomy and T-plate fixation with beta-tricalcium phosphate (beta-TCP) transplantation in dachshunds.

Axial correction was performed surgically in two miniature dachshunds presenting with lateral patellar dislocation and limping caused by pes varus. Pes varus had resulted from asymmetric closure of the physis of the distal tibia. Prior to surgery, osteotomy was simulated by measuring X-ray films to determine the distance required for the wedge opening. Transverse-opening wedge osteotomy was performed on the medial side of the distal tibia, and beta-tricalcium phosphate (beta-TCP) was inserted in a wedge shape into the area created by the cuneiform osteotomy. Finally, the tibia was fixed by a veterinary 1.5/2.0-mm T-plate. Both dogs were able to walk a few days after surgery, and the lateral dislocation of the patella normalized almost completely in about one month. At two months, X-ray films showed that the implant had remained in position without any dislocation, and the beta-TCP had fused with the surrounding bone.

Animals↗
PubMed1977

Sub-capital coxa valga after varus osteotomy for congenital dislocation of the hip.

Coxa valga may sometimes occur as a complication of varus osteotomy for congenital dislocation of the hip. Six such cases are described with a minimum follow-up of nine years. In three cases the varus osteotomy had been performed on only one side; in one case it was done on both sides and coxa valga developed bilaterally; and in two further bilateral cases coxa valga developed on one side only. In each case the coxa valga was sub-capital. Detailed radiographic analysis included measurements of neck-shaft angle, acetabular angle and C.E. angle. The epiphysis-shaft angle is described; it is an index of the constant tendency of the capital epiphysis to assume a horizontal position. The cause remains unknown, but damage to the trochanteric growth plate or to the lateral part of the capital growth plate could not be identified as aetiological factors. Poor acetabular cover was considered a possible factor. All the patients in this series had functionally excellent hips, but the long-term prognosis of the hips with partly uncovered femoral heads is doubtful.

Adolescent↗
PubMed1988

Stabilisation of the hip in myelomeningocele. Comparison of posterior iliopsoas transfer and varus-rotation osteotomy.

Patients with myelomeningocele who had had surgery to stabilise the hip were reviewed; the results of the 106 operations in 88 patients were assessed. In the earlier part of the series there were 55 children who had 64 iliopsoas transfers; later in the series 33 children had 42 varus-rotation osteotomies combined with adductor tenotomy, anterior obturator neurectomy and psoas division. The technical results of both operations were satisfactory: following iliopsoas transfer only 19% of the hips were either dislocated or subluxated; the corresponding figure for the osteotomy was 12%. Thus varus-rotation osteotomy with psoas division, adductor tenotomy and anterior obturator neurectomy was at least as effective in stabilising the hip as iliopsoas transfer. Nevertheless 80% of the latter and 61% of the osteotomy patients relied on wheelchairs for mobility.

Child↗
PubMed1989

Pentalateral osteotomy for cubitus varus. Clinical experiences of a new technique.

Several methods for the correction of cubitus varus have been described, but most reported series are small and show a high rate of complications. We report a six-year personal experience of 77 osteotomies by a new technique which provides rigid fixation and allows correction of both varus and rotation deformities. It also prevents lateral bulging at the level of the osteotomy. In 58 cases followed up for an average of 16 months, there were no serious complications, a satisfactory carrying angle and no significant loss of movement, giving 88% excellent or good results.

Adolescent↗
PubMed1998

Second fracture of the distal humerus after varus malunion of a supracondylar fracture in children.

Nine children sustained a second fracture of the distal humerus after union of an ipsilateral supracondylar fracture which had healed with cubitus varus. There were eight boys and one girl with a mean age of five years (1 to 8) at the time of the second fracture which occurred at a mean of 1.5 years after the first. In all patients, the second fracture was an epiphyseal injury of the distal humerus, either associated with a fracture of the lateral metaphysis below the site of the previous supracondylar fracture, or a fracture-separation of the entire distal humeral epiphysis. This suggests that the physis and epiphysis tend to be more subject to injury than the metaphysis of the distal humerus in children who have had a previous supracondylar fracture with varus malunion.

Child↗
PubMed2006

Low tibial osteotomy for varus-type osteoarthritis of the ankle.

In this retrospective study we have assessed the results of low tibial valgus osteotomy for varus-type osteoarthritis of the ankle and its indications. We performed an opening wedge osteotomy in 25 women (26 ankles). The mean follow-up was for eight years and three months (2 years 3 months to 17 years 11 months). Of the 26 ankles, 19 showed excellent or good clinical results. Their mean scores for pain, walking, and activities of daily living were significantly improved but there was no change in the range of movement. In the ankles which were classified radiologically as stage 2 according to our own grading system, with narrowing of the medial joint space, and in 11 as stage 3a, with obliteration of the joint space at the medial malleolus only, the joint space recovered. In contrast, such recovery was seen in only two of 12 ankles classified as stage 3b, with obliteration of the joint space advancing to the upper surface of the dome of the talus. Low tibial osteotomy is indicated for varus-type osteoarthritis of stage 2 or stage 3a.

Activities of Daily Living↗
PubMed1995

The acetabular response to proximal femoral varus rotational osteotomy. Results after failure of post-reduction abduction splinting in patients who had congenital dislocation of the hip.

The acetabular response to proximal femoral varus rotational osteotomy was studied radiographically in twenty-eight patients who had had thirty-three congenitally dislocated hips. All of the patients had previously been managed with open or closed reduction followed by use of a spica cast and had worn an abduction orthosis for at least one year after the reduction. The indications for the femoral osteotomy were a persistently increased acetabular index or subluxation, or both. The average of the patients at the time of the femoral osteotomy was twenty-five months. The average preoperative acetabular index was 32 degrees. At an average of seven years after the osteotomy, the acetabular index had improved to an average of 16 degrees. Four hips had had one subsequent procedure for persistent acetabular dysplasia. Despite a failure of the acetabulum to respond to use of an abduction splint, the proximal femoral varus rotational osteotomy stimulated improvement in the acetabular index to within normal limits in twenty-nine of the thirty-three hips.

Acetabulum↗
PubMed2003

Bone realignment with use of temporary external fixation for distal femoral valgus and varus deformities.

BACKGROUND: Correction of a distal femoral deformity may prevent or delay the onset of osteoarthritis or mitigate its effects. Accurate correction of deformity without production of a secondary deformity depends on precise localization and quantification of the deformity. We report a technique to correct distal femoral deformities in the coronal plane. METHODS: Fourteen femora in thirteen skeletally mature patients with a distal femoral deformity underwent operative reconstruction. The preoperative deviation of the mechanical axis ranged from 90 mm laterally (genu valgus) to 120 mm medially (genu varus). The mechanical lateral distal femoral angle was abnormal in all fourteen knees. The technique consisted of application of an external fixator, performance of a percutaneous distal femoral dome osteotomy, correction of the deformity, and locking of the external fixator. A statically locked retrograde intramedullary nail was inserted following reaming, and the external fixator was removed. The mean duration of follow-up was thirty-three months (range, six to forty-seven months). RESULTS: The mean time until healing was thirteen weeks (range, six to thirty-nine weeks). Nine of the thirteen patients reported an improvement in walking, and none needed an assistive device. All nine patients with preoperative knee pain were free of tibiofemoral pain at the most recent follow-up evaluation. The mechanical lateral distal femoral angle was within the normal range in twelve of the fourteen knees. The mechanical axis was within the normal range in ten lower extremities. In three of the four remaining limbs, the residual abnormal deviation of the mechanical axis was due to a residual tibial deformity. CONCLUSIONS: Percutaneous dome osteotomy combined with temporary external fixation and insertion of an intramedullary nail can correct distal valgus and varus femoral deformities. We attributed the early mobilization of patients and the rapid bone-healing to the limited soft-tissue dissection, the low-energy corticotomy, and the use of intramedullary fixation in our surgical technique.

Activities of Daily Living↗
PubMed1995

Modified fracture brace for tibial fracture with varus angulation: a case report.

Sarmiento introduced the functional fracture brace for the management of tibial shaft fracture in 1963. However, tibial angulation with varus deformity cannot be prevented or corrected by such a device. In this paper, a case of tibial shaft fracture with varus angulation treated with a modified below-knee fracture brace was reported.

Adult↗
PubMed1980

Failure of the correction of varus deformity obtained by high tibial osteotomy.

Failure of the correction of varus deformity after high tibal osteotomy has been analysed in 99 knee joints. As this relapse occurred mainly after removal of the cast at 6 weeks, it is recommended that the patient should not load the affected leg without a cast until 10 weeks after the operation. No patient-linked factor was identified that might be considered to account for the failure of correction during union. There was a tendency for the valgus/varus deviation of the knee, as determined by the three-point technique, to drift in the varus direction. Between 3 and 24 months after the operation this drift was on average 1.1 degree.

Adult↗