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Shoulder arthroplasty

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https://www.readbyqxmd.com/read/29138871/revision-shoulder-arthroplasty-with-a%C3%A2-reverse-shoulder-prosthesis-use-of-structural-allograft-for-glenoid-bone-loss
#1
S E Ozgur, R Sadeghpour, T R Norris
INTRODUCTION: Revision shoulder arthroplasty presents many unique and complex challenges when glenoid bone loss is involved. A distorted and medialized anatomy prevents the proper mechanics of the reverse prosthesis with regard to deltoid tension and ultimate function. This paper highlights one surgeon's experience using structural allograft for glenoid bone loss. PATIENTS AND METHODS: In all, 20 patients for a total of 24 surgeries with a medialized glenoid and/or substantial glenoid bone loss of grade IIB or higher were evaluated in this retrospective study...
November 14, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29135662/reverse-shoulder-arthroplasty-for-the-treatment-of-rotator-cuff-deficiency-a-concise-follow-up-at-a-minimum-of-10-years-of-previous-reports
#2
Derek J Cuff, Derek R Pupello, Brandon G Santoni, Rachel E Clark, Mark A Frankle
We previously evaluated 94 patients (96 shoulders) who underwent reverse shoulder arthroplasty using a central compressive screw with 5.0-mm peripheral locking screws for baseplate fixation and a center of rotation lateral to the glenoid as treatment for end-stage rotator cuff deficiency. The purpose of this study was to report updated results at a minimum follow-up of 10 years. Forty patients (42 shoulders) were available for clinical follow-up. In the patients available for study, implant survivorship, with the end point being revision for any reason, was 90...
November 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29135529/acute-coronary-artery-thrombus-after-tranexamic-acid-during-total-shoulder-arthroplasty-in-a-patient-with-coronary-stents-a-case-report
#3
Kathryn H Bridges, Sylvia H Wilson
Tranexamic Acid (TXA), an antifibrinolytic, is routinely used to decrease transfusion rates in total joint replacement surgery. While recent publications have indicated a low risk of TXA-associated thromboembolic events in this orthopedic population, few studies specifically address the safety of TXA administration in high-risk patients. We present a case of acute coronary thrombus requiring emergent intervention in a patient with indwelling coronary stents who underwent shoulder arthroplasty with TXA administration...
November 9, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29133073/comparing-daily-shoulder-motion-and-frequency-after-anatomic-and-reverse-shoulder-arthroplasty
#4
G Daniel G Langohr, John P Haverstock, James A Johnson, George S Athwal
BACKGROUND: Both anatomic (TSA) and reverse total shoulder arthroplasty (RTSA) are common interventions for glenohumeral arthrosis, with the goal of relieving pain and restoring mobility. Understanding shoulder arthroplasty motion and frequency is of interest in evaluating effectiveness and in predicting bearing wear for implant development and optimization. The purpose of this study was to measure and compare the total daily shoulder motion of patients after TSA and RTSA. METHODS: Thirty-six human subjects who had undergone shoulder arthroplasty wore a custom instrumented garment that tracked upper extremity motion for the waking hours of 1 day...
November 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29132788/arthroscopic-partial-trapeziectomy-with-soft-tissue-interposition-for-symptomatic-trapeziometacarpal-arthritis-6-month-and-5-year-minimum-follow-up
#5
Anthony L Logli, Jonathan Twu, Brian J Bear, Jonathan R Lindquist, Theodore L Schoenfeldt, Kenneth J Korcek
PURPOSE: To determine if arthroscopic partial trapeziectomy (APT) and soft tissue interposition arthroplasty is an effective treatment for symptomatic trapeziometacarpal arthritis. METHODS: We retrospectively evaluated 30 consecutive patients with symptomatic isolated trapeziometacarpal arthritis, Eaton-Littler stages II and III. Treatment consisted of an APT with soft tissue interposition utilizing an acellular dermal matrix as the interposition material. At a minimum of 6 months and 5 years after surgery, Numeric Pain Rating Scale (NPRS), Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH), grip strength, oppositional and appositional pinch strengths, arthroplasty space, and thumb range of motion (ROM) were evaluated...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29130873/influence-of-body-mass-index-on-clinical-outcomes-in-reverse-total-shoulder-arthroplasty
#6
J Michael Wiater, Shannon Carpenter, Denise M Koueiter, David Marcantonio, Brett P Wiater
The purpose of this study was to compare reverse total shoulder arthroplasty (RTSA) outcomes in normal weight, overweight, and obese patients. A RTSA outcomes registry was reviewed for rotator cuff-deficient patients with a minimum 2-year follow-up. Fractures, rheumatoid arthritis, and revisions were excluded. Based on World Health Organization body mass index (BMI) classification, there were 29 normal weight, 50 overweight, and 51 obese patients. All groups demonstrated significant improvements from preoperative to most recent follow-up in function scores, pain, and forward elevation...
October 2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29125866/inconsistent-selection-of-outcomes-and-measurement-devices-found-in-shoulder-arthroplasty-research-an-analysis-of-studies-on-clinicaltrials-gov
#7
Matthew Thomas Sims, Byron Nice Detweiler, Jared Thomas Scott, Benjamin McKinnley Howard, Grant Richard Detten, Matt Vassar
INTRODUCTION: Recent evidence suggests a lack of standardization of shoulder arthroplasty outcomes. This issue is a limiting factor in systematic reviews. Core outcome set (COS) methodology could address this problem by delineating a minimum set of outcomes for measurement in all shoulder arthroplasty trials. METHODS: A ClinicalTrials.gov search yielded 114 results. Eligible trials were coded on the following characteristics: study status, study type, arthroplasty type, sample size, measured outcomes, outcome measurement device, specific metric of measurement, method of aggregation, outcome classification, and adverse events...
2017: PloS One
https://www.readbyqxmd.com/read/29123932/hyperphosphatemic-tumoral-calcinosis-after-total-knee-arthroplasty
#8
Takeshi Mochizuki, Katsunori Ikari
We report a case of hyperphosphatemic tumoral calcinosis (TC) that occurred after total knee arthroplasty. A 64-year-old Japanese man presented with painful swellings in both shoulders, the left elbow, and the right hip that developed after he underwent total knee arthroplasty (TKA). The pathology of the patient's bone at the time of TKA included a thick osteoid seam with calcareous deposition at the margin of the trabecular bone, which is not generally seen in osteoarthritis. Computed tomography scans of the swollen joints demonstrated leaflet and amorphous calcification masses around the joints...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29111467/reverse-shoulder-arthroplasty-in-weight-bearing-shoulders-of-wheelchair-dependent-patients
#9
Eduard Alentorn-Geli, Nathan R Wanderman, Andrew T Assenmacher, Joaquín Sánchez-Sotelo, Robert H Cofield, John W Sperling
BACKGROUND: Wheelchair-dependent patients rely on their upper extremities for mobility and transfers. This entails the heavy use of upper extremities as weight-bearing joints, leading to shoulder overuse with increased prevalence of rotator cuff-related disorders, and ultimately to challenging cases for shoulder surgeons when a joint replacement is needed. OBJECTIVE: To report the outcomes of reverse shoulder arthroplasty (RSA) in wheelchair-dependent patients with arthritis and rotator cuff tears...
October 27, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29103059/fatty-degeneration-of-the-deltoid-muscle-associated-with-displaced-proximal-humerus-fractures
#10
M Panzica, J Brandes, U Schmiddem, A Karch, N Hawi, C Krettek, R Meller
INTRODUCTION: The use of reverse shoulder arthroplasty (RSA) has increased dramatically over the last two decades, with many surgeons now indicating RSA for the acute management of displaced proximal humerus fractures (PHF) in the elderly. RSA relies on adequate deltoid muscle function to obtain a good outcome, yet no literature to date exists which discusses preoperative assessment of deltoid structure prior to RSA. The purpose of this study was to assess for preoperative fatty deltoid-degeneration in patients with displaced PHF...
October 23, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29099897/reliability-of-3-dimensional-glenoid-component-templating-and-correlation-to-intraoperative-component-selection
#11
Comron Saifi, Manish N Noticewala, R Michael Greiwe, Jonathan D Lester, Thomas R Gardner, Edwin Cadet, William N Levine, Louis U Bigliani, Christopher S Ahmad
Although implant-specific intraoperative targeting devices for glenoid sizing exist, a validated method for preoperatively templating glenoid component size in primary total shoulder arthroplasty (TSA) based on digital imaging does not. We conducted a study to determine if 3-dimensional (3-D) digital imaging could be used for preoperative templating of glenoid component size and to compare templated glenoid sizes with implanted glenoid sizes. We created 3-D digital models from 3 glenoid component implant sizes and preoperative scapular computed tomography scans of 24 patients who underwent primary TSA...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29099896/reverse-shoulder-arthroplasty-and-latissimus-dorsi-tendon-transfer
#12
Mihir Sheth, Jia-Wei Kevin Ko, Surena Namdari
In a systematic review, we critically examined and synthesized the results of individual studies on reverse shoulder arthroplasty (RSA) with latissimus dorsi tendon transfer. Two electronic databases were searched. For each included study, 2 reviewers evaluated the quality of its methods and retrieved data. In cases in which outcomes data were similar between studies, data were pooled using frequency-weighted (FW) mean values to generate summary outcomes. Seven studies met the inclusion and exclusion criteria, and 133 patient cases were reviewed...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29098356/large-diaphyseal-incorporating-allograft-prosthetic-composites-when-how-and-why-treatment-of-advanced-proximal-humeral-bone-loss
#13
REVIEW
P B McLendon, J L Cox, M A Frankle
BACKGROUND: Proximal humeral bone loss in shoulder arthroplasty is a complex problem with a heterogeneous presentation. Different etiologies may contribute to varying degrees of severity in bone loss that dictate different treatment approaches. OBJECTIVES: The purpose of this is article is to describe our technique for treatment of proximal humeral bone loss with proximal humeral allograft prosthetic composites (APC) and identify factors that may predict when larger allografts may be necessary...
November 2, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29094010/restoration-of-the-joint-geometry-and-outcome-after-stemless-tess-shoulder-arthroplasty
#14
Lars V von Engelhardt, Michael Manzke, Andreas Breil-Wirth, Timm J Filler, Joerg Jerosch
AIM: To evaluate the joint geometry and the clinical outcome of stemless, anatomical shoulder arthroplasty with the TESS system. METHODS: Twenty-one shoulders with a mean follow-up 18 of months were included. On scaled digital radiographs the premorbid center of rotation (CoR) was assessed and compared to the CoR of the prosthesis by using the MediCAD(®) software. Additionally, the pre- and post-operative geometry of the CoR was assessed in relation to the glenoid, the acromion as well as to the proximal humerus...
October 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29092992/evaluation-of-fever-in-the-immediate-post-operative-period-following-shoulder-arthroplasty
#15
B M Saltzman, B C Mayo, D D Bohl, R M Frank, B J Cole, N N Verma, G P Nicholson, A A Romeo
AIMS: To determine the incidence and timing of post-operative fevers following shoulder arthroplasty and the resulting investigations performed. PATIENTS AND METHODS: A retrospective review was conducted of all patients undergoing shoulder arthroplasty over a nine-year period. The charts of all patients with a post-operative fever (≥ 38.6°C) were reviewed and the results of all investigations were analysed. RESULTS: A total of 2167 cases (in 1911 patients) were included of whom 92 (4...
November 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/29083358/the-smr-reverse-shoulder-arthroplasty-in-rotator-cuff-arthropathy-management
#16
Alessandro Beltrame, Paolo Di Benedetto, Daniele Salviato, Giuseppe Niccoli, Renato Gisonni, Vanni Cainero, Araldo Causero
BACKGROUND AND AIM OF THE WORK: Cuff tear arthropathy (CTA) is a well-defined  degenerative pathology  of the shoulder. When conservative treatments are unable to permit a good quality of life, the reverse shoulder arthroplasty (RSA) can guarantee a good restitution of range of motion, function and strength of the shoulder without pain. In this paper we show our clinical, functional and radiological outcomes, as well as complications of RSA in patients with CTA. METHODS: We analyzed 31 patients who underwent to reverse shoulder replacement with Modular Shoulder System (SMR, Systema Multiplana Randelli; Lima-LTO, San Daniele del Friuli, Italy) reverse shoulder system, between August 2010-July 2014...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29080060/pyrocarbon-interposition-shoulder-arthroplasty-in-advanced-collapse-of-the-humeral-head
#17
R Hudek, B Werner, A F Abdelkawi, F Gohlke
BACKGROUND: Pyrocarbon (PyC) interposition shoulder arthroplasty can be used to treat advanced collapse of the humeral head after avascular necrosis. OBJECTIVES: We examined outcomes for this bone-preserving implant which has a PyC coating and a novel biomechanical concept. MATERIALS AND METHODS: For a minimum of 2 years, we followed 10 patients (4 men, 6 women, 55.6 ± 12.9 years) treated with a free interposition PyC arthroplasty ("snookerball") due to advanced humeral head collapse but with an intact glenoid and rotator cuff...
October 27, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29071046/native-join-propionibacterium-septic-arthritis
#18
Thomas Taylor, Marcus Coe, Ana Mata-Fink, Richard Zuckerman
Propionibacterium species are associated with normal skin flora and cultures may be dismissed as contaminants. They are increasingly recognized as a cause of septic arthritis following shoulder arthroplasty and arthrotomy. We identified three cases of Propionibacterium septic arthritis in native joints mimicking atypical osteoarthritis and review the literature, clinical course, and treatment of 18 cases. Two cases of Propionibacterium acne in native knee joints and one in a sternoclavicular joint are described...
October 2, 2017: Infectious Disease Reports
https://www.readbyqxmd.com/read/29064862/stemless-prosthesis-for-total-shoulder-arthroplasty
#19
Mark D Lazarus, Ryan M Cox, Anand M Murthi, Ofer Levy, Joseph A Abboud
The fourth generation of humeral components currently are being used in anatomic shoulder arthroplasty. Anatomic shoulder arthroplasty implants have evolved to better re-create anatomy, improve fixation, preserve bone, and facilitate revision surgery. Most of the design changes for shoulder arthroplasty implants have centered on the humeral stem, with a transition to shorter, metaphyseal humeral stems. Many of these humeral component design changes may be beneficial; however, long-term studies are necessary to determine if the results of anatomic shoulder arthroplasty with the use of newer humeral components can match those of anatomic shoulder arthroplasty with the use of older humeral components...
October 20, 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29063283/-prosthesis-replacement-in-periprosthetic-humeral-fractures
#20
REVIEW
M Jaeger, D Maier, K Izadpanah, N P Südkamp
OBJECTIVE: Stabilization of the humerus with preservation or restoration of the shoulder function. INDICATIONS: Always in the presence of a loose prosthesis. It may become necessary in conditions of poor bone stock and if osteosynthesis is not possible. CONTRAINDICATIONS: Noncompliant patients due to alcohol or drugs. Local infections. SURGICAL TECHNIQUE: The loose implant is removed using an extended anterior deltopectoral approach...
October 23, 2017: Operative Orthopädie und Traumatologie
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