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Results for “FRACTURE FIXATION”

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At least 541 records · Page 30Linked to original sources
PubMed1989

Effect of intramedullary bone cement fixation on fracture healing.

The effect of bone cement implanted in the marrow cavity on the fracture healing process was assessed in rabbits with an experimentally induced transverse fracture of the tibia. In the cement treated animals external callus formation occurred slowly, due to poor bone-forming capacity of the endosteum and a failure to form a bridge at the fracture site. Numerous resorption cavities then occurred in the cortical bone. The microangiogram revealed a lack of blood supply from the marrow in the cement treated group. Thus, the histological changes were probably due to obstruction of the marrow blood supply to cortical and endosteal bone.

Animals↗
PubMed2004

[Are angle-fixed implants with elastic properties advantageous for the internal fixation of proximal humerus fractures?].

There is a recent interest for the use of angle-fixed plates in the management of proximal humerus fractures. Rigid implants might be associated with an increased risk of cutting-out. In order to analyse the potential beneficial effects of the implant elasticity on fracture fixation, the biomechanical properties of a rigid and an elastic angle-fixed plating system were assessed in an experimental study. An unstable fracture of the surgical neck was created in 8 pairs of human humeri. Specimens were subjected to axial loading and torque. Stiffness, subsidence and load to failure were assessed. The implant with elastic properties was characterized by a lower torsional stiffness and a higher subsidence during axial loading and torque. This implant failed at lower loads than the rigid implant did. Elastic implant properties of angle-fixed plates have shown not to be advantageous for the management of fractures of the proximal humerus.

Bone Plates↗
PubMed1999

Single lag screw fixation for malar fracture (type B) fixation: reduction of hardware treatment costs.

In an attempt to define the most simple and inexpensive method of achieving postreduction stability in zygomatic fractures, the authors compared two different methods of internal rigid fixation of the frontozygomatic suture line in one group with miniplates and in another group with Panfix lag screws. The randomized study protocol consisted of a control group of 20 patients and 40 patients with laterally displaced body fractures of the zygoma. Statistical differences were not seen between the control subjects and the patients who required open reduction and internal fixation either with one osteosynthesis plate at the frontozygomatic suture line or a lag screw osteosynthesis. Lag screw fixation in malar type B fractures could lower hardware treatment costs and is an alternative method that provides sufficient stability in indicated patients.

Bone Plates↗
PubMed1986

Bipolar fixation of fractures of the distal radius: preliminary results.

Twenty-eight unstable distal fractures of the radius have been treated with pins incorporated into a forearm plaster. The wrist is maintained in a neutral position permitting early use of the hand. Secondary displacement has been decreased. It is a safe and effective method of treating unstable distal fractures of the radius suitable for regular use in a busy district general hospital without the need of expensive specialized equipment.

Casts, Surgical↗