PubMed · 13045618
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L DEJARDIN. [Osteosynthesis].. https://pubmed.ncbi.nlm.nih.gov/13045618/
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BACKGROUND: The purpose of the present retrospective study was to evaluate the results of open reduction and internal fixation of delayed unions and nonunions of fractures of the distal part of the humerus. METHODS: Between 1976 and 2001, fifty-two patients with a delayed union (thirteen patients) or nonunion (thirty-nine patients) of the distal part of the humerus were treated with open reduction and internal fixation along with selective elbow joint arthrolysis and bone-grafting. The average time to presentation was eighteen months (range, two to 192 months) after the injury. Thirty-nine of the fifty-two patients had undergone an average of 1.6 previous operations. There were twenty-seven supracondylar, six transcondylar, thirteen intercondylar, two lateral condylar, and four medial condylar delayed unions or nonunions. The average duration of follow-up was thirty-three months (range, three to 198 months). RESULTS: Fifty-one of the fifty-two patients had healing of the delayed union or nonunion after the index operation; the average time to union was six months (range, two to twenty-four months). The average range of elbow motion increased from 71 degrees preoperatively to 94 degrees postoperatively. Complications included two superficial infections, two deep infections, and five cases of ulnar neuropathy. Fifteen patients (29%) needed additional surgery after the index procedure. Specifically, seven patients underwent removal of prominent hardware; six underwent hardware removal along with excision of heterotopic bone, ulnar neurolysis, and/or manipulation under anesthesia; one underwent irrigation and débridement; and one underwent compartment release. CONCLUSIONS: Open reduction through an extensile exposure and rigid internal fixation consistently results in healing of a delayed union or nonunion of the distal part of the humerus. An improved range of motion of the elbow can be achieved by securing the site of the nonunion and performing aggressive elbow joint arthrolysis and soft-tissue releases in patients with severe contractures.
Many proximal humeral fractures can be treated without the need for hemiarthroplasty. Treatment choice is affected by fracture location and pattern, as well as by patient factors including age, activity level, quality of bone, and ability to comply with a regimen of therapy. Successful diagnosis and treatment of proximal humeral fractures is dependent on good-quality radiographs, but in some cases, intraoperative assessment of the fracture pattern is required for a complete and accurate diagnosis of the fracture pattern and severity. A discussion of nonsurgical and surgical treatment options and techniques needed to achieve anatomic reduction and stable fixation is important.