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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 369 - 369
1 Jul 2011
Efstathopoulos D Karadimas E Stefanakis G Chardaloupas D Theofanopoulos F Chatzimarkakis G
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Acute fractures of the humeral shaft are usually managed conservatively. The rate of union is high, whereas that of nonunion ranges from 1 – 6%. Various risk factors for nonunion have been identified, including the following: open fracture, mid shaft fracture, transverse or short-oblique fracture, comminuted fracture, unstable fixation, fracture gap.

This paper evaluates the results of treatment of humeral shaft fracture by open reduction and internal fixation with DCP, supplemented with cancelous bone graft but not in all cases.

One hundred and five cases of nonunion of a humeral shaft fracture between 1988 and 2006 were analyzed retrospectively. The study population comprised 66 males and 39 females with an average of 46.2 years (range, 17 – 81 years). Sixty seven fractures were defined as atrophic nonunion, and 20 as hypertrophic nonunion, whereas 18 could not be defined clearly. All the fractures were managed by open reduction and internal fixaztion with DCP and cancelous bone graft. The mean follow up period was 20 months (range, 14 – 28 months).

All nonunion fractures united within an average of 16 weeks (range 10–26 weeks).

Complications included 4 patients with temporary radial nerve palsies, and 3 patients with wound infections. At the final follow-up shoulder and elbow functions of the operated limbs were all satisfactory.

Fixation by DCP with supplemental cancellous bone graft is a reliable and effective treatment for nonunion of a humeral shaft fracture


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_II | Pages 316 - 316
1 May 2010
Apostolopoulos A Fasoulas A Nakos A Theofanopoulos F Nikolopoulos D Karadimas E Liarokapis S Michos I
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The aim of our study was to examine the outcome of ACL reconstruction by using four strand hamstring tendon autografts.

Material and Methods: the study included 44 patients (29 males,15 females;mean age 26;18–45 years). The diagnosis was based on clinical examination and imaging techniques. The operation was performed arthroscopically 4–62 weeks after the injury. The tendon was fixed in the tibia with an interference screw and in the femur with three different methods cross pin in 16 cases, transfix pin in 11 cases and Endo button in 17 cases.

Results: The mean follow up was 28 months (12–42). The mean Lysholm score was improved from 35–65 (mean 49) preoperativelly to 55–100 postoperativelly (mean 88).

5 patients had laxity > 3mm when compared to the healthy knee by using the KT-1000 arhthrometric testing. 2 of the latter patients complained of a feeling of knee joint instability which occurred due to inaccurate positioning of the femoral tunnel. In 2 cases the transfix pins were displaced and removed on the 4th and 15th post-operative month.

The tunnel expansion was measured by an X-Ray or a CT scan. The tibial tunnel expansion was 0–2.5mm (mean 1.2) or 18% and the femoral tunnel expansion was 0–3 mm (mean 1.4) or 26%. 8 patients reported mild pain which did not restrict their activities. A 5 degree loss of extension was noticed in one patient who continues physiotherapy.

28 of the above patients suffered also from a meniscal injury that was managed arthroscopically.

Conclusion: ACL reconstruction by using four strand hamstring tendon autografts is safe, highly successful with very few complications when proper graft preparation and accurate tunnel placement is achieved.