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At least 1,405 records · Page 78Linked to original sources
PubMed2000

Metastatic lesions of the humerus treated with the isoelastic diaphysis prosthesis.

Between January 1, 1987, and December 31, 1997, an isoelastic polyacetal resin prosthesis was used in 50 patients with metastatic bone disease to reconstruct pathologic or impending fractures of the humeral diaphysis. Fifty-seven operations were performed, including seven revision surgeries. The patients were assessed before and after surgery for limb function and quality of life using a modified Karnofsky scale. The mean survival time was 440 days. Ninety-one percent of the operations resulted in restoration or improvement of quality of life. Limb function was good or excellent in more than 80% of the patients after surgery. Breaking of the implant (n = 3), loosening of the implant (n = 2), periprosthetic fracture (n = 1), hematoma (n = 2), infection (n = 1), and one radial nerve paralysis were the main complications. In the cases of implant failure, the prosthesis broke at the site of a locking screw that was inserted across the prosthetic shaft in the cementless implantation technique. This kind of complication could be avoided by using bone cement for implantation or additional plate osteosynthesis between the prosthesis and humeral shaft. The isoelastic diaphyseal prosthesis offers a promising method of treating patients with metastatic lesions of the humeral shaft.

Adult↗
PubMed1993

Fracture of the shaft of the humerus secondary to muscular violence.

Fractures of a normal humeral shaft secondary to muscular violence have been uncommonly reported in the literature since the early 1900s. These injuries have been associated with throwing javelins, hand grenades, and baseballs. We report a case of a similar injury occurring in a healthy young amateur baseball pitcher. Pertinent anatomy, pathomechanics, and electromyographic study results are discussed.

Adolescent↗
PubMed2001

Micromelic dwarfism--humerus, femur and tibia type.

We report a baby with severe micromelic dwarfism characterized by severe shortening of the humeri, femora and tibiae with hypoplastic radii, ulnae and fibulae which are of normal shape. We suggest that this case is similar to the case reported by Baxova et al [(1993), Paediatr Radiol 23:446-449] confirming the identity of this new bone dysplasia.

Adult↗
PubMed2005

Late presentation of supracondylar fracture of the humerus in children.

In children with delayed presentation of displaced supracondylar fractures, closed or open reduction with K-wire fixation risks complications. Gradually reducing the fracture with traction potentially reduces these risks. An unacceptable deformity can be corrected later by an osteotomy. This concept was used for 28 children, with an average age of 7 years 6 months, who presented after an average delay of 5.6 days. Their stay in the hospital was 14 days on average. At followup (average, 24 months), five children (18%) who had cubitus varus greater than 10 degrees had corrective osteotomy. There were no additional neurovascular injuries after treatment. The results are comparable with other methods of treatment.

Child↗
PubMedDate not supplied

Lengthening of the humerus for upper extremity limb length discrepancy.

We present a case of humeral lengthening for a limb length discrepancy of 7.7 cm due to proximal humeral growth arrest in a 12-year-old boy. Lengthening of 69 mm was achieved using the Wagner technique. Bone grafting was not required. Humeral lengthening may be performed for upper extremity limb length discrepancy with good results. Objectives of treatment must include protection of the radial nerve from traction injury and from entrapment in the osteotomy site. Elbow extension may be lost during lengthening, but in the adolescent age group, full return of elbow motion can be expected.

Bone Diseases↗