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find Keyword "Double plates" 2 results
  • LIMITED OPEN REDUCTION AND DOUBLE PLATES INTERNAL FIXATION FOR TREATMENT OF Vancouver TYPE B1 PERIPROSTHETIC FEMORAL FRACTURE AFTER HIP ARTHROPLASTY

    Objective To evaluate the effectiveness of limited open reduction and double plates internal fixation in the treatment of Vancouver type B1 periprosthetic femoral fracture after hip arthroplasty. Methods A retrospective analysis was made on the clinical data of 12 patients with Vancouver type B1 periprosthetic femoral fracture after hip arthroplasty between May 2007 and October 2012, who underwent limited open reduction and double plates internal fixation. Of 12 patients, 4 were male and 8 were female, aged 76-85 years (mean, 81.6 years); the left side was involved in 5 patients and the right side in 7 patients. The cement prosthesis was used in 3 cases and cementless prosthesis in 9 cases; double acting head of hip arthroplasty was performed in 4 cases and total hip arthroplasty in 8 cases. The median time from first hip arthroplasty to re-fracture was 13 months (range, 5 months-5 years). The causes of injury were traffic accident in 2 cases and falling in 10 cases. Combined fractures included contralateral tibial and fibular fractures and ipsilateral distal humeral fracture (1 case), ipsilateral proximal humeral fracture (2 cases), ipsilateral distal radial fracture (1 case), and rib fracture (1 case). The time from injury to operation was 5.6 days on average (range, 3-10 days). Results The incisions all healed by first intention, and no infection or deep venous thrombosis of lower extremity occurred. Twelve cases were followed up 6-24 months (mean, 13.3 months). One female patient died of acute myocardial infarction at 16 months after operation. All the fractures were healed, with X-ray healing time of 12.5 weeks on average (range, 10-16 weeks). The time of full weight bearing was 13 weeks on average (range, 10-18 weeks). Ten cases could walk freely after operation, and 2 cases could walk by the aid of walking aid appliance. At last follow-up, the Harris score of hip function was 87.3 on average (range, 75-93). Conclusion The method of limited open reduction and double plates internal fixation for Vancouver type B1 periprosthetic femoral fracture after hip arthroplasty is effective in maintaining stability, protecting blood supply, promoting fracture healing, and doing functional exercise early. The long-term effectiveness needs further observation.

    Release date:2016-08-31 10:53 Export PDF Favorites Scan
  • TREATMENT OF NONUNION OF LOWER SEGMENT OF HUMERUS WITH COMBINATION OF RIB FLAPS OF CROSS CHEST AND DOUBLE PLATES

    Objective To evaluate the result of treating nonunion of lower segment of humerus with combination of rib flaps of cross chest and double plates. Methods From Feburary 2000 to May 2006, 21 cases of nounion of lower segment of humerus were treated. There were 13 males and 8 females with an average age of 36.5 years (range, 17-56 years). Accordingto AO classification, there were 5 cases of type A1.3, 7 cases of type B1.3, 6 cases of type B2.3, 2 cases of type B3.3, and 1 case of type C1.3. All nonunion occurred after internal fixation, which was caused by bone resorption at fracture end in 12 cases, by plates breakage in 3 cases, and by internal fixation loosening in 6 cases; including 8 cases of hypertrophic nonunion and 13 cases of atrophy nonunion without pseudoarthrosis. An average time of nonunion was 1.5 years (from 8 months to 3 years). All cases were treated with combination of rib flaps of cross chest (length, 3.0-3.5 cm) and double plates. The pedicle was divided 8 to 10 weeks after operation and all cases carried out functional exercise. Results The patients were followed up for an average time of 18.2 months (range, 1-3 years). All nounion of lower segment of humerus were healed and no radial nerve injury occurred. Primary heal ing of wound was achieved at both donor and recipient sites. Bony union was achieved in all cases after an average time of 3.5 months (range, 3-5 months) after operation. According to the the Hospital for Special Surgery (HSS) functional elbow index, the average score was 89.3 (range, 81.7-92.5) and the outcome was excellent in 14 cases, good in 4 cases, and poor in 3 cases, the excellent and good rate was 85.7%. Conclusion Combination of rib flaps of cross chest and double plates is an effective method of treating nonunion of lower segment of humerus.

    Release date:2016-08-31 05:47 Export PDF Favorites Scan
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