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The effect of suturing techniques on distal graft diameters in anatomic double-bundle anterior cruciate ligament reconstruction
ESSKA Academy. Arakawa T. Nov 8, 2019; 284422; epESMA-07 Topic: Arthroscopic Surgery
Takahiro Arakawa
Takahiro Arakawa
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The effect of suturing techniques on distal graft diameters in anatomic double-bundle anterior cruciate ligament reconstruction

ePoster - epESMA-07

Topic: Sports Trauma

Arakawa T., Hiraoka H., Kuribayashi S.
Tokyo Teishin Hospital, Department of Orthopaedic Surgery, Tokyo, Japan

Purpose: To determine whether there are differences in distal graft diameters among different graft suturing techniques in anterior cruciate ligament reconstruction. We hypothesised that the average distal graft diameter in the suture loop technique would be smaller than that in the conventional locking suture technique, owing to the volume of sutures.
Methods: We retrospectively analysed data of 124 patients who underwent anatomic double-bundle anterior cruciate ligament reconstruction with hamstring autograft at our institution from December 2016 to December 2018. Thirteen cases were excluded because both the semitendinosus tendon and the gracilis tendon were used. There were 57 patients whose grafts were made with the Krackow stitch (group K) and 54 patients with the suture loop (group SL).
Results: Comparing the distal graft diameters with proximal ones, 45 (78.9%) anteromedial bundles and 23 (40.3%) posterolateral bundles are enlarged in group K, whereas 23 (42.6%) anteromedial bundles and two (3.7%) posterolateral bundles are enlarged in group SL. Regarding both bundles, the numbers of enlarged grafts are obviously fewer in group SL (p < 0.001). The average distal graft diameter of anteromedial bundles is 6.33 ± 0.43 and 6.07 ± 0.43 mm in groups K and SL, respectively (p < 0.005). Comparing the distal graft cross-sectional area calculated from diameters, those of anteromedial bundles in group SL were 8% smaller than those in group K.
Conclusion: The average distal graft diameter of anteromedial bundles in the suture loop technique was smaller than that in the conventional locking suture technique. In other words, the suture loop technique can reduce the tibial anteromedial bone tunnel diameters in anatomic double-bundle anterior cruciate ligament reconstruction.
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