• Sjoerd A Stufkens and P Kloen.
• Department of Orthopaedic Surgery, Academic Medical Center, PO Box 22660, 1100 DD, Amsterdam, The Netherlands. s.a.stufkens@amc.uva.nl
• Arch Orthop Trauma Surg. 2010 Feb 1; 130 (2): 159-64.

IntroductionPain and impaired shoulder function are the predominant symptoms of midshaft clavicle non-unions. Obtaining consolidation and improvement of shoulder function is often successfully achieved with osteosynthesis and bone grafting. Most data in the literature pertain to plate osteosynthesis, placing the plate on the subcutaneous superior aspect of the clavicle. Although union rates are generally high, most patients require hardware removal as the plate is prominent under the skin causing pain and cosmetic problems.Materials And MethodsIn the current retrospective study, we followed a cohort of 21 consecutive cases (20 patients) with a midshaft clavicular delayed or non-union, treated with anteroinferior plating using a 3.5 mm locking compression plate (LCP) for a mean of 30 months.ResultsWe operated on 10 males and 10 females with a mean age of 48.2 years (range 16-65). There was one early plate failure that needed revision. Two patients required hardware removal because of prominence of the plate. All but two patients were satisfied with the final cosmetic result. The average DASH score at follow up was 22.8.Discussion And ConclusionsAnteroinferior plating with a 3.5 mm LCP is a reliable and reproducible treatment of midshaft clavicular delayed and non-union regarding consolidation, function, cosmesis and reduction of second surgery.

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