Distal Triceps Tendon Repair in Strength Athletes Leads to Satisfactory Return to Sports: A Retrospective Analysis of 22 Cases.

Background: Distal triceps brachii tendon rupture (DTTR) is a relatively rare injury that is common in bodybuilding and high-intensity contact sports and can lead to significant functional impairment of the elbow joint. This study was conducted to evaluate clinical outcomes and the rate of return to sports among competitive bodybuilders and high-demand strength athletes after surgical repair of DTTR. Methods: This retrospective case series was performed in an institutional setting in tertiary health care. Return to sports of 22 competing or high-demand strength athletes (meaning three or more exercises per week) were analyzed pre- and postoperatively after surgical repair of DTTR using a hybrid technique of transosseous sutures and anchor fixation. Descriptive statistics were used to analyze demographic variables, and independent and paired t-tests were used to assess clinical outcomes. Results: The follow-up showed that from pre- to postoperatively, there was no deterioration in the number of sports disciplines (2.4 and 2.5 sporting activities per person, respectively; p = 0.540) or in the frequency of weekly training (4.1 and 4.1 times per person, respectively; p = 0.329). The postoperative visual analog scale for pain (from 6.0 to 1.6, p < 0.001), level of fitness (from 5.1 to 2.6, p = 0.002), and ability to train (from 5.2 to 1.3, p < 0.001) improved significantly. The time of return to sports was 1.5-3 months and 4-6 months after the surgery for ten patients each. The overall rate of return to sports was 95%, whereas 86% returned to the preinjury level of sporting activity. Conclusions: Repair of DTTR leads to high rates of return to sports in competitive athletes.

Clinical and Radiological Outcomes after Total Shoulder Arthroplasty Using Custom-Made Glenoid Components: A Systematic Review.

Reverse total shoulder arthroplasty presents itself sometimes as challenging when it comes to addressing massive bone loss, either in primary or revision settings. Custom components recently have made their way into shoulder prosthetics and are meant to help in the case of extensive glenoid bone destruction. Because of strict indication and the fairly recent introduction of these implants, the usage of custom-made glenoid implants is not very common yet. However, the early results are promising. The purpose of this review was to summarize and analyze the available literature. Therefore, a systematic review was performed according to PRISMA guidelines. A comprehensive search of the databases PubMed, Cochrane, and Livivo was performed to screen for studies reporting on clinical and radiological outcomes of custom glenoid implants. Four studies with a total of 46 shoulders were included in this review. The mean patient age was 68.8 years and the mean time of follow-up was 24.3 months. The weighted means showed an increase in CMS (32.7 points), in ASES (39.8 points), in anteversion (67.4 degrees), and in abduction (51.9 degrees) and a decrease in VAS (5.4 points). Custom-made glenoid implants are therefore a viable option in cases of large combined glenoid bone loss, both in primary and revision shoulder arthroplasty.

The Effect of Strength Training on Undetected Shoulder Pathology in Asymptomatic Athletes: An MRI Observational Study.

BACKGROUND: Data on the effects of weight training on joint morphology are mostly restricted to muscle gain. However, in many circumstances, it is not stated if there are negative consequences for the joints and their surrounding components. This study was conducted to explore whether long-term excessive resistance training (RT) causes hidden pathological alterations in the shoulder. METHODS: A total of eleven asymptomatic sportsmen (22 shoulders) underwent clinical and radiological examination of both shoulder joints. All participants had engaged in bodybuilding for at least four years, at least three times per week, and for at least four hours per week. All participants were examined clinically using the Constant Murley Score (CMS), Simple Shoulder Test (SST), UCLA Activity Test, and a specially designed questionnaire. All participants received a bilateral shoulder MRI. The MRI scans were checked for pathology using a checklist. RESULTS: Maximum scores were observed for the SST and UCLA Activity Test. The CMS was 97.7 points on average (range, 87-100). RT had been conducted for a mean of 10.7 years (range, 4-20), for an average of 8.8 h a week (range, 4-12). MRI examinations revealed two supraspinatus tendinopathies (9.1%), one labral change (4.5%), three humeral tuberosity cysts (13.6%), fourteen acromioclavicular (AC) joint hypertrophies (63.6%), five AC joint osteophytes (22.7%), and ten signs of AC joint inflammation (45.5%). CONCLUSIONS: The research results show that strength is associated with MRI-documented AC joint pathology. However, it appears that RT may not negatively affect other anatomical structures of the shoulder.

Clinical and Radiologic Outcomes after Anatomical Total Shoulder Replacement Using a Modular Metal-Backed Glenoid after a Mean Follow-Up of 5.7 Years.

Background: Glenoid wear is a common complication of anatomical total shoulder arthroplasty (aTSA) with a metal-backed glenoid (MBG), and the clinical and radiological results of historical implants are poor. The aim of this work was to evaluate the clinical and radiological results of 25 participants as well as the longevity after implantation of an anatomic shoulder prosthesis with a recent, modular cementless flat metal-backed glenoid component after a mean follow-up of 5.7 years. Methods: Clinically, the Simple Shoulder Test (SST), UCLA Activity Score (UCLA), and Constant Murley Score (CMS) were evaluated. Radiographically, the radiolucent lines (RLs), humeral head migration (HHM), and lateral glenohumeral offset (LGHO) were assessed. Survival was calculated with Kaplan−Meier curves and life-table analysis. Results: The mean CMS at follow-up was 46.2 points (range: 14−77; SD: 19.5). In terms of the SST score, the average value was 6.5 points (range: 1−10; SD: 3.5). The UCLA activity score showed a mean value of 5.9 points (range: 1−9; SD: 2.1). There were 17 revisions after a mean follow-up of 68.2 months (range: 1.8−119.6; SD: 27.9). HHM occurred in every patient, with a mean measurement of 6.4 mm (range: 0.5−13.4; SD: 3.9; p < 0.0001). The mean LGHO between the initial postoperative and follow-up images was 2.6 mm (range: 0−4.0; SD: 1.5; p < 0.0001). RLs were found in 22 patients (88%) around the glenoid and in 21 patients (84%) around the humeral head prosthesis. Conclusion: The clinical and radiographic outcomes after metal-backed glenoids were poor at 2.2 to 8.4 years of follow-up. We determined devastating survival in the majority of cases (68%), with mostly inlay wear (71%) as the main reason that led to revision surgery. The use of metalback genoids cannot be recommended based on the data of this study.

Single or Double Plating for Acromial Type III Fractures: Biomechanical Comparison of Load to Failure and Fragment Motion.

BACKGROUND: Acromial Levy III fractures after inverse shoulder arthroplasty occur in up to 7% of patients. To date, it is not clear how these fractures should be treated as clinical outcomes remain unsatisfactory. The aim of this study was to evaluate the biomechanical performance of three different plating methods of type III acromion fractures. METHODS: Levy III fractures in synthetic scapulae were fixed with three different methods. Angular stable locking plates were placed on the spina scapula to bridge the fracture either dorsally, caudally, or on both aspects by double plating. In a biomechanical experiment, the pull of the deltoid muscle at 40° abduction of the arm was simulated by cyclic loading with increasing load levels until failure. Failure load, cycles to failure, and fragment motions were evaluated. RESULTS: The results showed that double plating (350 ± 63 N) withstood the highest loads until failure, followed by dorsal (292 ± 20 N) and caudal (217 ± 49 N) plating. Similarly, double plating showed significantly smaller fragment movement than the other two groups. CONCLUSIONS: Double plating appeared to provide the largest biomechanical stability in type III acromion fracture under arm abduction. Caudal plating in contract resulted in insufficient fracture stability and early failure and can thus not be recommended from a biomechanical point of view.

[Arthroscopic augmentation techniques for superior capsule reconstruction]. / Arthroskopische Augmentationstechniken der superioren Kapselrekonstruktion.

OBJECTIVES: Reconstruction of the superior capsule for treatment of irreparable supraspinatus tendon tears. INDICATIONS: Irreparable supraspinatus tendon tear; centered humeral head; largely intact cartilage; largely intact transversal "force-couple". CONTRAINDICATIONS: Decentered humeral head; osteoarthritis of the glenohumeral joint/cuff tear arthropathy; irreparable anterosuperior and posterosuperior cuff tears. SURGICAL TECHNIQUE: Arthroscopic superior capsule reconstruction (SCR) is performed in beach-chair position. At first the bone bed of the glenoid and the insertion of the supraspinatus tendon are prepared using a bone burr. Now, depending on the integrity of the long biceps tendon, two options are possible. Option 1: In the case of an existing long biceps tendon, a biceps tendon tenodesis to the greater tubercle is performed. Therefore, the long head of the biceps is fixed central to the former insertion of the supraspinatus tendon, using a suture anchor. Option 2: In the case of a nonexisting or degeneratively modified long biceps tendon, a PushLock® anchor (Arthrex, Inc. Naples, FL, USA) loaded with a FiberTape® (Arthrex, Inc. Naples, FL, USA) is placed centrally onto the glenoid. Now, the actual superior capsule reconstruction is completed. Two suture anchors are placed at the glenoid and two SwiveLock® anchors, each loaded with a FiberTape®, (Arthrex, Inc. Naples, FL, USA) are placed at the footprint of the supraspinatus tendon at the greater tubercle. The tapes are shuttled extra-articularly and the graft size is evaluated by measuring the distance between the anchors. The graft is customized to that size and armed with the tapes. Using the tapes of the glenoidal anchors, as tension ropes, the graft is placed intra-articularly. Medially the sutures are tied and laterally the graft is fixed in a knotless lateral row manner. The tails of the tape, of the glenoidal PushLock® (Arthrex, Inc. Naples, FL, USA) anchor are fixed within the lateral row and are tensioned above the graft. Afterwards side-to-side sutures to the infraspinatus and a subacromial decompression are completed. POSTOPERATIVE MANAGEMENT: The arm is placed in a sling for 6 weeks, afterwards active physiotherapy begins. Passive-assisted physiotherapy is started on postoperative day 1. RESULTS: Between 2017 and 2019, 11 patients were treated with SCR. As the combined procedure is our new treatment algorithm, case studies will be presented. For this study, 9 patients treated with singular SCR, with a mean follow-up of 18 months, were recruited. A statistically significant reduction of pain (VAS 6.3 → VAS 2), a good postoperative forward flexion (mean 138°; 56 standard deviation [SD]), and external rotation (mean 37°; 21 SD) were measured. A mean ASES of 76.5 (18 SD) a mean DASH of 17.8 (14 SD) and a mean Constant score of 64.6 (25 SD) were achieved.