featured article:

american journal of sports medicine

july 2020

Anterior Cruciate Ligament Reconstructions with Quadriceps Tendon Autograft Result in Lower Graft Rupture Rates but Similar Patient-Reported Outcomes as Compared with Hamstring Tendon Autograft.

Armin Runer et al. Am J Sports Med. 2020; 48(9): 2195-2204.

This prospective cohort study performed in Innsbruck, Austria evaluates the outcomes of ACL reconstruction in 875 patients with 2 year follow up.  Outcomes measured were rate of rupture of the ACL graft, visual naalog pain scale scores, Lysholm scores, and Tegner activity scores.

RESULTS: Odds of graft rupture were 2.7 times greater in patients treated with ACL reconstruction with hamstring autograft as compared to quadriceps tendon autograft.  Other factors that increase risk of graft rupture were younger age and higher activity level.  There were not differences in the other patient-reported outcomes.

Big Takeaway: Use of quadriceps tendon autograft for ACL reconstruction is favored over hamstring tendon autograft.

Other takeaway: Further research is needed comparing quadriceps tendon autograft to bone-patellar tendon-bone autograft for ACL reconstruction.

featured article:

american journal of sports medicine

june 2020

Does the Dog-Ear or Bird-Beak Deformity Remodel AFter Rotator Cuff Repair?

Yong Bok Park et al. Am J Sports Med. 2020; 48(7): 1575-1582.

This retrospective cohort study performed at Samsung Medical Center in Seoul, Republic of Korea evaluates the remodeling potential and outcomes of dog-ear and bird-beak deformities that can occur following transosseous-equivalent arthroscopic rotator cuff repair surgeries.  MRI evaluation was performed at 1 week and 6 months postoperatively.  Clinical assessment was performed with minimum 2 year followup.

RESULTS: Dog-ear and bird-beak deformities up to 13.7mm remodel between 1 week and 6 months postoperatively.  There were no differences in retear rates and clinical outcome between rotator cuff repairs with a deformity and without a deformity.

Big Takeaway: Surgeons do not need to take extreme measures in an attempt to correct small dog-ear and bird-beak deformities.

Other takeaway: The retear rate, evaluated by MRI 6 months postoperatively, was 8.7% (4 out of 46 shoulders) in the no deformity group and 7.5% (4 out of 53 shoulders) in the deformity group.

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