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  • Mechanical testing of scapular neck fracture fixation using a synthetic bone model

    Posted on: 14 November, 2018

    Trauma can fracture the scapular neck. Typically, a single plate along the lateral scapula border affixes the glenoid fragment to the scapula. This method is limited by difficulty in screw placement, frequent excessive soft tissue dissection, and risk for neurovascular injury. Substituting 2 smaller plates bridging the scapular neck mitigates these limitations, but no comparative mechanical data between techniques exists. Therefore, we compared the mechanical properties of two constructs securing a simulated scapular neck fracture.

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  • ASES 2018 Annual Meeting

    Posted on: 10 October, 2018

    Dr. Chalmers is invited to speak at the American Shoulder and  Elbow Surgeons Annual Meeting

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  • Treating and Managing Shoulder Pain

    Posted on: 13 September, 2018

    Sore shoulder remedies: This common joint problem can affect anyone. Shoulder pain may involve the cartilage, ligaments, muscles, nerves, or tendons. It can also include the shoulder blade, neck, arm, and hand.

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  • 28 SECEC-ESSSE CONGRESS GENEVA- SWITZERLAND 19-22 SEPT 2018

    Posted on: 09 September, 2018

    Dr. Chalmers research is presented in Geneva, Switzerland

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  • Glenohumeral cerclage for salvage of recalcitrant instability after reverse total shoulder arthroplasty

    Posted on: 10 August, 2018

    Reverse total shoulder arthroplasty (rTSA) reliably reduces pain and improves function in patients with rotator cuff arthropathy, failed shoulder arthroplasty, proximal humeral fractures, and irreparable rotator cuff tears.4 Nevertheless, postoperative complications are common, and reported rates range between 7% and 21%, with instability being among the most common.7,11 Instability rates after rTSA have ranged between 0% and 16% with risk factors including male sex, high body mass index, rTSA as revision for a prior failed arthroplasty, failure to adequately tension the soft tissues, and component impingement.

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  • Superior Baseplate Inclination Is Associated With Instability After Reverse Total Shoulder Arthroplasty

    Posted on: 09 August, 2018

    Instability is the most common complication after reverse total shoulder arthroplasty (rTSA). In the native glenohumeral joint, in addition to full dislocations, more subtle forms of instability exist. However, the incidence of more subtle forms of instability, the factors associated with instability, and the effect of instability on validated outcome scores after rTSA remain poorly understood.

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  • Superior glenoid inclination and rotator cuff tears

    Posted on: 08 August, 2018

    The objectives of this study were to determine whether glenoid inclination (1) could be measured accurately on magnetic resonance imaging (MRI) using computed tomography (CT) as a gold standard, (2) could be measured reliably on MRI, and (3) whether it differed between patients with rotator cuff tears and age-matched controls without evidence of rotator cuff tears or glenohumeral osteoarthritis.

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  • AOSSM 2018 Meeting

    Posted on: 07 July, 2018

     Dr. Chalmers research on baseball players is presented at the  American Orthopaedic Society of Sports Medicine Annual Meeting

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  • Preoperative Doxycycline Does Not Reduce Propionibacterium acnes in Shoulder Arthroplasty

    Posted on: 14 June, 2018

    Propionibacterium acnes (P. acnes) is the most common bacteria associated with infection after shoulder arthroplasty. These bacteria can be grown on culture of skin after standard preoperative skin preparation and antibiotics. The purpose of this study was to determine whether adding preoperative intravenous doxycycline reduces the prevalence of positive P. acnes cultures of skin and deep tissues at the time of prosthetic joint implantation during shoulder arthroplasty.

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  • Total shoulder arthroplasty in patients with a B2 glenoid addressed with corrective reaming

    Posted on: 08 June, 2018

    This study describes the short-term functional and radiographic outcomes after total shoulder arthroplasty (TSA) in shoulders with a B2 glenoid deformity addressed with corrective reaming.

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