Publications by authors named "Katchburian M"

Congenital pseudarthrosis of the forearm bones (CPFBs) is rare, with only 106 reported cases, and is frequently associated with neurofibromatosis (NF). Approximately 5% of patients with NF develop pseudarthrosis, and 50% of patients with pseudarthrosis have NF. Achieving bone union is difficult in congenital pseudarthrosis.

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In this review, we would like to demonstrate the case of a 6-year-old girl who presented with progressive ankle pain and eventual inability to weight bear. She was shown to have primary acute osteomyelitis of the talus caused by , a commensal organism usually found in the oropharynx of dogs, despite the absence of any history of a dog bite or other zoonotic risk factors. We characterise the symptoms, signs, radiographic appearances and result of both the medical and surgical management, including a review of the literature.

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Aims: A national screening programme has existed in the UK for the diagnosis of developmental dysplasia of the hip (DDH) since 1969. However, every aspect of screening and treatment remains controversial. Screening programmes throughout the world vary enormously, and in the UK there is significant variation in screening practice and treatment pathways.

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Proximal symphalangism (SYM1B) (OMIM 615298) is an autosomal dominant developmental disorder affecting joint fusion. It is characterized by variable fusions of the proximal interphalangeal joints of the hands, typically of the ring and little finger, with the thumb typically being spared. SYM1 is frequently associated with coalition of tarsal bones and conductive hearing loss.

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A delay in the diagnosis of paediatric acute and subacute haematogenous osteomyelitis can lead to potentially devastating morbidity. There are no definitive guidelines for diagnosis, and recommendations in the literature are generally based on expert opinions, case series and cohort studies. All articles in the English literature on paediatric osteomyelitis were searched using MEDLINE, CINAHL, EMBASE, Google Scholar, the Cochrane Library and reference lists.

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Purpose: Large scale databases that offer a reflection of clinical negligence are rare. By assessing commonly occuring cases of negligence, we hope to highlight areas where pediatric orthopedic care might be improved. One such database is the National Health Service Litigation Authority, which deals with claims brought against all health trusts in England.

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Study Design: In a retrospective study, we report on 16 patients with congenital kyphosis due to progressively ossifying anterior unsegmented bars.

Objective: To specify the therapeutic strategy in such malformation.

Summary Of Background Data: Congenital kyphosis due to progressively ossifying anterior unsegmented bars is a particular and uncommon entity of congenital kyphosis.

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Purpose: The treatment of bilaterally dislocated hips with a Pavlik harness can have deleterious effects if one hip remains dislocated. We assess the success of potentially leaving the persistently dislocated hip free and the relocated hip in a "hemi-Pavlik" harness.

Methods: In this report, we retrospectively review three cases of bilaterally dislocated hips in children who were treated with a Pavlik harness.

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Unlabelled: Femoral varus osteotomy is one of the most common treatments for patients with symptomatic Legg-Calvé-Perthes disease with more severe deformities. We hypothesized knee valgus alignment at maturity in patients with Legg-Calvé-Perthes disease is an effect of the disease and not an effect of femoral varus osteotomy. We retrospectively compared matched groups of 28 patients with and without femoral varus osteotomy.

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Introduction: Ulnar nerve compression at the wrist can be caused by a variety of intrinsic and extrinsic factors. Isolated compression of only the deep branch of ulnar nerve by a ganglion is very uncommon. Ultrasound examination can clearly show the cystic lesion compressing the nerves.

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Patellar tracking is defined as the motion of the patella relative to the femur or femoral groove on knee flexion and extension. Abnormalities of tracking (maltracking) are thought to relate to many disorders of the patellofemoral joint and may be defined easily or may be extremely difficult to observe. Accurate measurement of patellar tracking, and definition of normal tracking, have not been achieved yet in experimental conditions or in clinical conditions.

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Our objectives were to establish the envelope of passive movement and to demonstrate the kinematic behaviour of the knee during standard clinical tests before and after reconstruction of the anterior cruciate ligament (ACL). An electromagnetic device was used to measure movement of the joint during surgery. Reconstruction of the ACL significantly reduced the overall envelope of tibial rotation (10 degrees to 90 degrees flexion), moved this envelope into external rotation from 0 degrees to 20 degrees flexion, and reduced the anterior position of the tibial plateau (5 degrees to 30 degrees flexion) (p < 0.

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Patellofemoral motion is significant clinically, yet in the literature many different methods and terminologies are used, thus making comparison between studies difficult. We review and explain the different methods used for the description of patellofemoral joint motion, compare these methods by experimentation, and propose a standardised method. We found three main methods for describing patellar motion: motion of the patella about femoral body fixed axes, about patellar body fixed axes, and a combination of these.

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The emergency operating patterns in a district general hospital were significantly altered by the introduction of an afternoon emergency theatre list co-ordinated by a consultant anaesthetist. Before the introduction of the list, 88% of emergency operations were carried out after 17.00, with 40% of cases waiting until after 22.

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The Madelung deformity can result in pain and decreased function of the wrist and hand. None of the surgical techniques available has been shown consistently to improve grip strength, range of movement or relieve pain. In this prospective study we have treated 18 patients with the Madelung deformity (25 wrists) by wedge subtraction osteotomy of the radius and shortening of the ulna.

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This prospective study reports on the use of the Herbert screw for fixation of fractures and nonunions of the scaphoid through a dorsal approach. In cases of delayed union and nonunion, screw fixation was combined with bone grafting. Twenty-five patients were treated in this manner, and union rates of 100% for acute fractures and 87% for delayed union and nonunion were achieved.

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It is generally accepted that osteoclasts are responsible for the breakdown and removal of bone matrix constituents. However, very little is known about the fate of osteocytes during bone resorption. In the present study we have examined sites of bone destruction in calvaria of young rats aged 4-9 days in the hope of obtaining information on the fate of osteocytes.

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