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Biomedical subjects

G Dall

Publications and source records attributed to G Dall.

16 recordsLinked to original sources
PubMed1990

Core decompression for early atraumatic osteonecrosis of the femoral head.

We performed 41 core decompressions in 32 patients for stage I or stage II osteonecrosis of the femoral head. The intra-osseous pressure at the intertrochanteric level was raised in 28 (68%) and there was histological confirmation of necrosis in 36 hips (88%). After a follow-up of 10 to 84 months (mean 31) nine of the 12 stage I hips (75%) showed significant clinical or radiological deterioration; no evidence of necrosis had been found in the core specimens of the other three hips. Of the 29 hips in stage II, 25 (86%) showed significant radiological deterioration, and only five (17%) had improved clinically. We believe that once necrosis has occurred, core decompression will not significantly influence the subsequent course of the disease.

Adult↗
PubMed1988

Long-term results of Charnley low-friction arthroplasty of the hip.

The long-term results of 73 Charnley low-friction arthroplasties with follow-up of 10-14 years are presented. Eight hips required revision for socket migration resulting from excessive medialisation of the cup (2, 2.7%); breakage of the femoral stem (5, 6.8%); and loosening (1). A further 5 hips had radiological changes suggesting that they would require revision in the foreseeable future. Sixty hips (82.2%) remained clinically excellent with minimal radiological changes.

Adult↗
PubMed1986

Charnley low-friction arthroplasty of the hip. Long-term results in South Africa.

Long-term results of 98 Charnley low-friction arthroplasties were followed for a period of a mean of 12 years; 98 of 470 operations qualified for this strict long-term study, 78 (79.6%) with excellent results. If excessive medialization of the cup is avoided, socket complications appear to be minimal (4%). The majority of femoral component failures resulted from femoral stem breakage. Only four hips (4.08%) developed loosening of the femoral stem.

Adult↗
PubMed1984

Antibiotic therapy in acute infections of bone and joints in children.

Effective antibiotic therapy forms the mainstay of the treatment of acute bone and joint infections in children. The causal organisms and bacterial sensitivities encountered in a prospective study are presented. Initial antibiotic therapy is discussed, while the need for immediate Gram staining to identify resistant organisms is stressed.

Acute Disease↗
PubMed1984

Acute osteomyelitis and septic arthritis in children. A simple approach to treatment.

A 12-month prospective study of 45 patients with bacteriologically proven acute osteitis and septic arthritis is presented. Sodium fusidate and erythromycin at the recommended dosage of 30 mg/kg/d for 3 weeks was found to be an effective first-line antibiotic regimen. The hazards of Haemophilus infection are emphasized. Immediate Gram staining is therefore strongly recommended. It was found that adequate drainage of a subperiosteal abscess without drilling of the bone always resulted in complete cure, while cases of septic arthritis consequent upon decompression of a contiguous metaphysitis were adequately treated by arthrotomy and irrigation alone. The authors believe that early limited surgery with adequate administration of antibiotics aided by early circumspect mobilization will provide a good functional and cosmetically acceptable result in most cases.

Acute Disease↗
PubMed1982

Idiopathic chondrolysis of the hip joint in adolescents. Case reports.

A group of patients with idiopathic chondrolysis of the hip joint reported on in 1971 have been reviewed and the findings reveal no significant change in their condition. since then a further 9 patients have been encountered and the findings are included in this article. This, we feel, confirms the existence of this strange condition, which almost inevitably results in the development of a fibrous ankylosis.

Adolescent↗
PubMed1978

Open lateral wedge osteotomy of the calcaneum for severe postural pes valgus in children.

Conservative treatment for postural pes valgus in children is, on occasions, unsuccessful in the more severe cases. Where adequate conservative treatment had failed, it was decided to correct the deformity by performing an open lateral wedge osteotomy of the calcaneum, as advocated by Dwyer. When the Achilles tendon was short, an open elongation of the tendon was added to the procedure. In this series, 10 patients from 5 to 14 years of age with marked postural pes valgus were treated. Satisfactory results are reported after an average follow-up period of 9 years. A possible explanation for the success of the operation is discussed.

Adolescent↗
PubMed1975

Lesions of bone in disseminated infection due to the mycobacterium avium-intracellulare group. Report of a case.

A white child with a long history of illness from the age of six was thought at first to have Hodgkin's disease. There followed an acute illness with lesions involving glands, lungs, bone and skin. Mycobacterium avium-intracellulare group (Battey) was isolated from various lesions at the age of thirteen. After six years of continuous treatment the patient, now eighteen, is living a normal life.

Adolescent↗
PubMed1973

Alec Singer.

Explore the source record for details and available documents.

History, 20th Century↗
PubMedDate not supplied

Dynamic assessment of the load distribution on the plantar surface of the foot using the University of Cape Town walkway and its clinical application.

The dynamic assessment of the plantar pressure profile is now possible, and an immediate visual display without the necessity for complicated computer-assisted analysis has been developed using a walkway designed at the University of Cape Town. Using the walkway, the author assessed the feet of 10 normal children and 10 normal adults. They showed consistently similar profiles with very minor variations. Using the walkway, the author also showed in four abnormal cases the effects of corrective surgical procedures and of an orthotic device.

Adult↗