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Biomedical subjects

J Nogi

Publications and source records attributed to J Nogi.

14 recordsLinked to original sources
PubMed2004

The spectrum of myositis ossiticans in haemophilia.

Myositis ossificans (MO) refers to non-neoplastic heterotopic soft tissue ossification that can have several aetiologies. Broadly it can be classified into three categories based on aetiology [1]. MO traumatica, the most common form occurs secondary to acute or chronic trauma. MO can also be associated with neurological disorders and in rare cases is congenital. The latter (progressive MO) is a genetic disorder in which congenital osseous abnormalities are associated with progressive soft tissue calcification. Despite an increased tendency to soft tissue bleeds, MO has been rarely reported in haemophilia. We treated three adolescents with haemophilia and MO of varying degrees of severity and outcome.

Adolescent↗
PubMed1989

Femoral duplication: a case report.

Femoral duplication is a rare anomaly that has been described as an isolated entity and in association with other congenital defects. Since the description by Erlich in 1885, 24 additional cases have been reported. The present report concerns a 34-week black female infant with apparent bilateral femoral duplication associated with a meningocele and abdominal, genitourinary, vertebral, and lower-limb anomalies. The cause is unknown. Femoral duplication is a developmental field defect, hence causally heterogeneous.

Abnormalities, Multiple↗
PubMed1988

TLSO treatment of idiopathic scoliosis. An analysis of the Wilmington jacket.

A retrospective study of one hundred female patients treated for idiopathic scoliosis using an underarm plastic thoracolumbar-sacral orthosis (TLSO) jacket was undertaken. The purpose of the study was to evaluate the efficacy of the Wilmington jacket, to search for clinical variables which could statistically predict success, and to evaluate preliminary results of parttime bracing in 25 patients. The following parameters were statistically evaluated by multiple regression analysis: age, sex, curve location, number of vertebrae in curve, Cobb angle, maturity (Risser sign, menarche), curve flexibility, and hours in the jacket. The overall success rate was 81%, and onset of menarche and Risser sign were statistically significant prognostic variables. Ten patients (10%) underwent posterior spinal fusion for curve progression. Bracing with an underarm scoliosis jacket is a successful method of treatment of idiopathic scoliosis in the immature spine. We do not recommend brace treatment for postmenarchal patients or patients with a Risser sign of Grade 1 or greater until curve progression has been observed. Furthermore, the Wilmington jacket appears to give similar results for part-time brace wearers.

Adolescent↗
PubMed1984

A study of postural equilibrium in idiopathic scoliosis.

The relationship between upright static and dynamic equilibrium function and idiopathic scoliosis was investigated using a seven-part postural equilibrium test battery. Twenty-three normal subjects and 31 subjects with differing degrees of idiopathic scoliosis participated in the study. No significant difference was found among any of the subtest scores of the normal and scoliotic groups. Subtest scores were not significantly correlated with curve measurements. Curve measurements and subjects' ages proved to have some effect on subtest scores, but other unknown factors accounted for a greater percentage of score variance. The existence of a clinically measurable deficit in upright static and dynamic equilibrium in idiopathic scoliosis could not be proven. Further investigation is suggested to identify the factors that affect equilibrium scores. If these factors could be identified, the test battery might serve as a tool for the examination of female patients with idiopathic scoliosis.

Adolescent↗
PubMed1984

Common pediatric musculoskeletal emergencies.

The special features of the immature and growing skeletal system of the child allow for specific patterns of injury to be recognized so that appropriate treatment can be rapidly instituted. Among the specific problems discussed are epiphyseal plate fracture, traumatic bowing injuries, compartment syndromes and Volkmann ischemia, and the child with a limp.

Age Factors↗
PubMed1982

Congenital dislocation of the knee.

Congenital knee dislocation presents with a fixed hyperextension deformity and anterior displacement of the tibia on the femur. Seventeen patients with a dislocation of 27 knees and no other neuromuscular syndrome have been reviewed for treatment outcome. Almost one-half of the patients had associated congenital hip dysplasia. Early closed treatment obtained a successful reduction and satisfactory knee motion. Open reduction was required for failure of closed reduction. The Pavlik harness allowed for treatment of the congenital knee dislocation and hip dysplasia simultaneously.

Adult↗
PubMed1980

Non-union of a closed fracture in a child's femoral shaft.

A 7-year-old child sustained a non-union of a closed fracture of the femoral shaft following conventional treatment by traction and casting. Evaluation revealed a false aneurysm of the superficial femoral artery at the level of the fracture as the cause of non-union. Vascular repair resulted in a stable union of the femur. Non-union of a closed shaft fracture in children is an unusual event and demands thorough evaluation to find the etiologic agent.

Aneurysm↗
PubMedDate not supplied

Non-union of the clavicle in a child. A case report.

A case of symptomatic non-union of the clavicle occurred in a 12-year-old boy. Differential diagnosis roentgenographic and histologic observations, including the results of resection of the non-union site and stablization of the proximal clavicle using the coraco-acromial ligament demonstrated that this rare condition can be restored to full asymptomatic function without any internal metallic fixation devices.

Child↗
PubMedDate not supplied

Load testing of geometric and polycentric total knee replacements.

Static loading of implanted geometric and polycentric knee replacements was conducted in order to define fixation characteristics and load capabilities of the prostheses and the bone prostheses interface. Failures occurred in some specimens at load levels normally encountered across the knee joint during ambulation. Disruption of the tibial bone-cement interface and crushing of the tibial plateau were the modes of failure. There was no failure on the femoral side of the joint. The major determinants of stress failure suggested by this study were: (1) the tibial bone strength, (2) the design of the geometric and polycentric tibial component, and (3) method of component implantation.

Aged↗
PubMedDate not supplied

Multifocal pigmented villonodular synovitis in a child.

We describe the rare case of a 6-year-old girl with multifocal pigmented villonodular synovitis. The patient is only the sixth child less than or equal to 10 years of age reported in the literature and the youngest to experience multifocal involvement. She had lesions affecting the right knee and the synovium of the posterial tibial tendons proximal to the medial malleoli of both ankles. The history, differential diagnosis, and treatment of this disorder are discussed briefly.

Ankle↗