AVASCULAR NECROSIS AND THE PAVLIK HARNESS

Avascular necrosis and the Pavlik harness. The incidence of avascular necrosis in three types of congenital dislocation of the hip as classified by ultrasound.

We analysed the incidence of avascular necrosis in 101 hips of 90 infants with congenital dislocation treated with Pavlik harness and followed up for more than one year. Using ultrasonography in the flexed-abducted position the hips were classified as type A when the femora head was displaced posteriorly, but within the socket and making contact with the posterior inner wall of the acetabulum; ...

Ultrasound and the Pavlik harness in CDH.

Sixty-nine hips in 62 patients were treated by the Pavlik harness for congenital dislocation. Ultrasonography showed three degrees of residual head displacement when the harness was first applied. In type A, the femoral head showed contact with the inner posterior wall of the acetabulum. In type B, it contacted the posterior margin of the socket, with its centre at or anterior to the acetabular...

Avascular Necrosis of the Scaphoid Preiser Disease

No consensus regarding optimal treatment or etiology of Preiser disease exists. We described the epidemiology,classification and treatment characteristics of 18 patients with Preiser disease. Patients with changes related to previoustrauma, and without radiographs were excluded. Based on the radiographs at diagnosis, we classified 13 scaphoids asHerbert Lanzetta stage II, four...

Avascular Necrosis of the Femoral Head: Are Any Genes Involved?

Avascular necrosis of the femoral head (ANFH) is a pathologic process that results from interruption of blood supply to the femur bone resulting in the death of bone cells and collapse of the femoral head. Nontraumatic ANFH continuesto be a significant challenge to orthopedic surgeons. While the exact mechanisms remain elusive, many new insights have emerged from research in the last decade tha...

Avascular Necrosis of the Capitate