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Title: The influence of femoral tunnel position in single-bundle ACL reconstruction on functional outcomes and return to sports
Authors: FERNANDES, Tiago LazzarettiFREGNI, FelipeWEAVER, KayleenPEDRINELLI, AndreCAMANHO, Gilberto LuisHERNANDEZ, Arnaldo Jose
Abstract: The purpose of this study was to radiographically investigate the influence of femoral tunnel placement in ACL reconstruction on early outcomes and return to sports due to anatomic and nonanatomic positioning. A prospective study was conducted from 2008 to 2010, with 86 athletes who underwent ACL reconstruction between anteromedial (AM) footprint and high AM position. Knee functional outcomes (IKDC objective and subjective, Tegner score, and Lysholm scale) return to sports and complications were analyzed at 6- and 12-month follow-up. At follow-up, it was observed that tunnel projection along Blumensaat's line was correlated with functional outcomes on Tegner scale (at 6 and 12 months) and IKDC subjective (at 12 months). There was a significant difference in mean tunnel projection along Blumensaat's line when analyzing return to sports (73 +/- A 1.4 and 79 +/- A 1.7 %, respectively, for projections on return vs. no return to sports, p = 0.02) and complications (73 +/- A 1.3 vs. 78 +/- A 1.6 %, respectively, for projections on no complications vs. complications, p = 0.03). No differences were stated on coronal view. These correlations between tunnel positioning on functional outcomes could not be explained by demographic or baseline characteristics. The clinical relevance of this study is that tunnel positioning along AM footprint and high AM position represented by tunnel projection along Blumensaat's line is associated with early return to sports on previous Tegner level and better functional outcome in athletes. III.
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Artigos e Materiais de Revistas Científicas - FM/MOT
Departamento de Ortopedia e Traumatologia - FM/MOT

Artigos e Materiais de Revistas Científicas - HC/IOT
Instituto de Ortopedia e Traumatologia - HC/IOT

Artigos e Materiais de Revistas Científicas - LIM/41
LIM/41 - Laboratório de Investigação Médica do Sistema Músculoesquelético

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