期刊
JOURNAL OF ORTHOPAEDIC TRAUMA
卷 15, 期 4, 页码 264-270出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00005131-200105000-00005
关键词
tibia fracture; proximal; alignment; blocking screws; intramedullary nails
Objectives: To describe the technique and results of using blocking screws and intramedullary nails to treat patients with fractures of the proximal third of the tibial shaft. Design: Prospective. Setting: Level I trauma centers. Patients: Twelve consecutive patients treated with intramedullary nailing and blocking screws for fractures of the proximal third of the tibial shaft. Intervention: Patients were treated with intramedullary nails and blocking screws. Main Outcome Measure: The alignment of fractures was determined using standard anteroposterior and lateral radiographs after surgery and at each follow-up examination. One patient was lost to follow-up. All other patients: were followed at regular intervals until union or establishment of a nonunion. Changes in alignment and complications were noted. Results: Postoperatively, all patients had less than 5 degrees of angular deformity in the planes in which blocking screws were used to control alignment. One patient had postoperative malalignment (6 degrees of valgus), but a lateral blocking screw to control valgus deformity was not used in this patient. One patient was lost to follow-up. Eleven patients were followed up to union (n = 10) or establishment of a nonunion (n = I). Ten of eleven patients maintained their postoperative fracture: alignment at their Last follow-up examination (average follow-up of thirty-three weeks). One patient progressed fi om 6 degrees of valgus immediately after surgery to 10 degrees of valgus at union. This patient did not have: a blocking screw to control valgus angulation. Conclusions: Blocking screws are effective to help obtain and maintain alignment of fractures of the proximal third of the tibial shaft treated with intramedullary nails.
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