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Results for “Fracture Fixation, Intramedullary”

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At least 559 records · Page 31Linked to original sources
PubMed1995

Intramedullary nailing of humeral shaft fractures.

Twenty-one patients with 22 acute traumatic fractures of the humeral diaphysis were treated either with the True/Flex intramedullary rod or the Russell-Taylor rod. Follow-up is provided on 20 fractures. Indications for fixation on all but 3 patients was either multiple fractures, associated chest or abdominal trauma, vascular interruption, or open fracture. The series included 4 open fractures. Time to union averaged 7.6 weeks, with two nonunions, both in open fractures. Two isolated preoperative radial nerve palsies resolved fully; four brachial plexus injuries had a more complex recovery. No iatrogenic nerve damage was encountered. Excluding those patients with brachial plexus deficits, shoulder range of motion returned reliably. Impingement with a rod prominence was noted in 1 fracture. Functionally, all of the fractures, aside from those associated with a brachial plexus injury, had a normal or only mildly limiting result as reported by the patient. Additionally, eight humeral nonunions were treated with a reamed Russell-Taylor humeral nail with supplemental iliac crest bone graft at the time of nailing in 3 patients. Five of these 8 patients went on to union.

Elbow Joint↗
PubMed1984

Effects of instability on fracture healing in the rat.

The effect of bending and rotational instability on the healing of a femoral osteotomy was studied in rats using intramedullary fixation with nails made of either steel or flexible polyacetal. All osteotomies were made rotationally unstable by reaming the medullary cavity to a diameter wider than the nails. At 16 weeks, four osteotomies had healed, and 17 had not healed. However, bending tests gave higher values for strength and energy absorption in non-unions with flexible as compared to Stiff nails. Rotational instability thus caused a high rate of non-union in the present model, which has given safe healing when the osteotomy has been stabilized for rotation. Flexible nailing increased strength and energy absorption in bones with non-union, but did not affect the incidence of healing.

Acetals↗
PubMed1993

Tibial fractures treated with the AO unreamed tibial nail.

During the last 2 years 20 fractures of the tibial shaft have been treated with the new, 'unreamed' solid AO tibial nail (UTN). There were 13 open fractures, while four of the seven closed fractures had severe soft tissue injuries. There were nine fractures classified as 'complex' or type C according to the AO classification. All UTNs were introduced without reaming but with proximal and distal interlocking. In all, 12 fractures (five of them open) were stabilized primarily by 'unreamed' nailing, whereas the first eight (open) fractures of the series were fixed initially by an external fixator and then nailed after about 14 days. In our series no intraoperative complications occurred, and no major soft tissue problems or infections were observed. The functional results were generally good; however, fracture healing appeared to be delayed in six cases. One patient had a further operation because of non-union. Intramedullary nailing, without reaming, seems to be a reliable and safe treatment for closed and open fractures with severe soft tissue injuries as an alternative to external fixation. The use of a thin, solid nail combined with interlocking allows the stabilization even of complex fractures. Contrary to initial assumptions, the UTN can be used as a definitive implant with no need for further stabilization in the majority of cases.

Adult↗
PubMed1983

Pseudotumor after metal fixation of a fracture surgery. A case report.

The present report describes an unusual complication after surgical treatment of a femoral fracture. Metal particles, produced by mechanical damage to an intramedullary rod by the insertion of screws perpendicular to the rod, were found to have initiated a tumor-like change in the soft tissues 4 years after removal of the metal implants. Conventional X-ray, angiography and CT-scan showed adjacent to the healed fracture a large tumor mass, which was interpreted as a soft tissue sarcoma. However, histopathological assessment revealed extensive necrotic changes around scattered metal particles in the biceps femoris muscle, which may be assumed to have been induced either chemically or bacterially.

Adult↗