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Background: The purpose of this analysis was to analyze outcomes of distal biceps reconstruction with soft tissue allograft in the setting of chronic, irreparable distal biceps ruptures. The outcomes of these cases were then compared with a matched cohort of distal biceps ruptures that were able to be repaired primarily. Methods: Retrospective review of an institutional elbow surgery database was conducted. All cases of distal biceps repairs were identified by Common Procedural Terminology, ICD-9, and ICD-10 codes from January 2009 to March 2018. A direct review of operative reports was then conducted to identify which cases required allograft reconstruction. After identification of this population, a 2:1 manually matched cohort of patients who underwent primary repair was generated using age, gender, body mass index, and age-adjusted Charlson Comorbidity Index. Finally, the allograft reconstruction and matched primary repair cohorts were compared for reoperation, range of motion, and patient-reported outcomes scores. Results: There were 46 male patients who underwent distal biceps reconstruction with allograft (14 Achilles tendon, 32 semitendinosus) and they were matched to 92 male patients that underwent primary distal biceps repair. Mean patient age (46.9 ± 10.3 vs. 47.0 ± 9.8 years, P = .95), BMI (31.3 ± 5.3 vs. 31.3 ± 4.8 kg/m2, P = .60), and Charlson Comorbidity Index (1.2 ± 1.1 vs. 1.3 ± 0.9, P = .64) were similar between allograft reconstruction and primary repair groups. Disability of the Arm, Shoulder and Hand score (7.4 ± 18.0 vs. 1.6 ± 4.1, P = .23), Mayo Elbow Performance Score (92.1 ± 19.7 vs. 97.3 ± 6.4, P = .36), and Oxford Elbow Score (43.4 ± 11.0 vs. 46.8 ± 3.2, P = .25) were not significantly different between groups at mean 5.1 years (range, 1.5-10.9 years) after surgery. There were 1 of 42 (2.2%) allograft patients who require revision compared with 3 of 92 (3.3%, P = .719) in the primary repair group. In addition, one primary repair required reoperation for scar tissue excision and lateral antebrachial cutaneous neurolysis. Final range of motion data (twelve-week follow-up) for the allograft reconstruction group was similar to primary repair group in flexion (136.1° ± 5.3° vs. 135.9° ± 2.7°, P = .81), extension (0.8° ± 2.9° vs. 0.4° ± 1.7°, P = .53), pronation (78.0° ± 9.0° vs. 76.4° ± 15.4°, P = .50), supination (77.4° ± 10.7° vs. 77.5° ± 11.9°, P = .96). Conclusion: Patients who underwent distal biceps reconstruction with a graft had similar failure rates, reoperation rates, final range of motion, and patient-reported outcomes scores as those treated without a graft. Patients can be consulted that direct repair in the acute setting is preferred; however, even in the setting of a distal biceps reconstruction with graft augmentation, they can expect low complications and good functional results.

Background: This is the first report on the incidence of proximal humerus osseous changes and associated clinical consequences in reverse total shoulder arthroplasty combined with a latissimus dorsi tendon transfer (RTSA+LDT). Methods: A multicenter, retrospective review identified all patients who had undergone a primary RTSA+LDT and had at least 3-month radiographic follow-up between 2012 and 2017. Data collection included demographics, oral steroid use, repair technique for LDT fixation, radiographic humeral osseous changes, complications, and need for revision surgery. Results: Twenty-four patients were included with an average age of 70.7 ± 7.9 years and follow-up of 16.3 (3-50) months. Ten patients (41.7%) developed osseous changes at the transfer location. There was no increased risk of developing osseous changes based on the surgical fixation technique (P = .421). Average time to earliest radiographic detection of osseous changes was 2.7 ± 1.7 months, with all changes occurring at or before 6 months. Two patients developed proximal humerus fractures, of which 1 had osseous changes through which the fracture occurred. Discussion: RTSA+LDT may place the proximal humeral cortex at greater risk than previously described. Using a long-stem prosthesis in the setting of RTSA+LDT may limit the consequences of this complication.