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Shoulder arthroplasty

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https://www.readbyqxmd.com/read/28796543/metal-artifact-reduction-for-orthopedic-implants-o-mar-usefulness-in-ct-evaluation-of-reverse-total-shoulder-arthroplasty
#1
Euddeum Shim, Yusuhn Kang, Joong Mo Ahn, Eugene Lee, Joon Woo Lee, Joo Han Oh, Heung Sik Kang
OBJECTIVE: The objective of this study is to evaluate the effect of the metal artifact reduction algorithm for orthopedic implants (O-MAR) on CT image quality for patients with reverse total shoulder arthroplasty (RTSA), with emphasis placed on the evaluation of bone in the vicinity of prostheses. MATERIALS AND METHODS: Sixty-five patients who underwent CT scanning after RTSA were enrolled in the study. Two radiologists analyzed the images reconstructed with filtered back projection (FBP) with or without O-MAR processing...
August 10, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28794581/comparison-of-general-versus-isolated-regional-anesthesia-in-total-shoulder-arthroplasty-a-retrospective-propensity-matched-cohort-analysis
#2
David Y Ding, Siddharth A Mahure, Brent Mollon, Steven D Shamah, Joseph D Zuckerman, Young W Kwon
BACKGROUND: Intraoperative anesthetic typically consists of either general anesthesia (GA) or isolated regional anesthesia (RA). METHODS: A retrospective propensity-matched cohort analysis on patients undergoing TSA was performed to determine differences between GA and RA in regard to patient population, complications, LOS and hospital readmission. RESULTS: 4158 patients underwent TSA with GA or isolated RA. Propensity-matching resulted in 912 patients in each cohort...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28791445/pre-operative-factors-influence-the-recovery-of-range-of-motion-following-reverse-shoulder-arthroplasty
#3
Philippe Collin, Tetsuya Matsukawa, Patrick J Denard, Solenn Gain, Alexandre Lädermann
INTRODUCTION: Recently the use of reverse shoulder arthroplasty (RSA) has increased because of a clinical perception of durable functional outcome. However, some patients unexpectedly have a poor recovery of range of motion (ROM) after surgery. Objective factors such as initial diagnosis, pre- and intra-operative ROM, deltoid impairment or arm lengthening have previously been associated with anterior forward flexion (AFF). This study sought to determine if subjective pre-operative factors influence the rate and timing of ROM recovery after RSA...
August 8, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28791443/outcomes-of-shoulder-arthroplasty-in-haematopoietic-stem-cell-transplant-patients
#4
Joseph M Statz, Brian P Chalmers, Cameron K Ledford, Joaquin Sanchez-Sotelo, John W Sperling, Mark E Morrey
BACKGROUND: With the growing population of patients undergoing haematopoietic stem cell transplants (HSCTs), the demand for shoulder arthroplasty (SA) in this population can be expected to increase. No studies in the literature have examined the outcomes of SA in HSCT patients. PATIENTS AND METHODS: A retrospective review of 11 SAs in 10 patients with previous HSCT was performed. We characterized the clinical outcomes, survivorship, and peri-operative complication rates in patients who underwent SA after receiving a HSCT...
August 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28782448/risk-factors-associated-with-intraoperative-complications-in-primary-shoulder-arthroplasty
#5
Paul D Cowling, Philip Holland, Lucksy Kottam, Paul Baker, Amar Rangan
Background and purpose - Increasing numbers of shoulder arthroplasty are performed internationally. The predictors of intraoperative complications when implanting primary shoulder replacements are unknown. We determined the incidence of intraoperative complications during primary shoulder arthroplasty using the National Joint Registry of England, Wales, Northern Ireland and the Isle of Man (NJR), and analyzed the associated risk factors for complications. Patients and methods - NJR data on primary shoulder arthroplasty were scrutinized for intraoperative complications...
August 7, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28782076/shoulder-arthroplasty-in-patients-with-osteo-chondrodysplasias
#6
Bradley Schoch, Jean-David Werthel, Joaquin Sanchez-Sotelo, John W Sperling, Robert H Cofield, Mark Morrey
PURPOSE: Osteo-chondrodysplasias are a rare cause of limb malalignment, deformity and degenerative joint disease. Earlier in life, deformities may be managed with bony realignment and soft tissue releases; however, as degenerative changes progress, arthroplasty may be considered. There are limited reports examining shoulder arthroplasty in this population. This study aims to assess pain relief, function, and re-operation rate of shoulder arthroplasty in patients with osteo-chondrodysplasias...
August 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28776630/metal-allergy-as-a-cause-of-implant-failure-in-shoulder-arthroplasty
#7
Jia-Wei Kevin Ko, Thema A Nicholson, C Edward Hoffler, Gerald Williams, Charles Getz
Metal allergy is an uncommon and poorly understood cause of failure of orthopedic implants. To the authors' knowledge, there have been no reports of the management of shoulder arthroplasty patients with metal allergy. The authors present their experience with the diagnosis and management of patients with metal allergy. Patients with metal allergy undergoing shoulder arthroplasty were identified through retrospective chart review from January 1, 2012, to January 31, 2015. Case characteristics collected included patient risk factors (age, sex, prior cutaneous reactions to metal), metal allergy factors (type of metal allergy, method of diagnosis), and surgery factors (implant type, primary/revision, type of shoulder arthroplasty)...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28776109/clinical-and-radiological-results-7%C3%A2-years-after-copeland-shoulder-resurfacing-arthroplasty-in-patients-with-primary-glenohumeral-osteoarthritis-an-independent-multicentre-retrospective-study
#8
F U Verstraelen, L A Horta, M G M Schotanus, N P Kort, S K Samijo, E J P Jansen
PURPOSE: The aim of this multicentre cohort study was to evaluate the midterm outcomes and survival after cementless stemless resurfacing arthroplasty (CSRA) in a series of 33 shoulders in 27 patients with primary osteoarthritis. METHODS: Clinical outcome assessment included: Constant-Murley score (CMS); Simple Shoulder Test (SST); Disability of Arm, Shoulder, Hand (DASH); EuroQol-5D (EQ-5D) utility scores; Numerous Rating Scale (NRS) for pain. Radiographs were assessed by two independent observers for oversizing, radiolucency, glenohumeral subluxation, glenoid erosion and subsidence...
August 3, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28768785/the-effect-of-intravenous-tranexamic-acid-on-blood-loss-and-early-post-operative-pain-in-total-shoulder-arthroplasty
#9
L Pauzenberger, M A Domej, P R Heuberer, M Hexel, A Grieb, B Laky, J Blasl, W Anderl
AIMS: The purpose of the present study was to evaluate the impact of intravenous tranexamic acid on the reduction of blood loss, transfusion rate, and early post-operative clinical outcome in total shoulder arthroplasty. PATIENTS AND METHODS: A randomised, placebo-controlled trial which included 54 patients undergoing unilateral primary stemless anatomical or stemmed reverse total shoulder arthroplasty was undertaken. Patients received either 100 ml saline (placebo, n = 27), or 100 ml saline together with 1000 mg of tranexamic acid (TXA, n = 27) intravenously prior to skin incision and during wound closure...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28767480/combined-selective-nerve-blockade-and-local-infiltration-analgesia-in-a-total-shoulder-arthroplasty-patient-with-chronic-pain-and-severe-restrictive-lung-disease-a-case-report
#10
Jason K Panchamia, David A Olsen, Joaquin Sanchez-Sotelo, Adam W Amundson
Interscalene brachial plexus block is considered the most complete postoperative analgesia after total shoulder arthroplasty. Interscalene brachial plexus block-induced ipsilateral hemidiaphragmatic paralysis may not be tolerated in patients with preexisting pulmonary disease. Selective distal nerve blocks avoid the risk of phrenic nerve block; however, they may provide incomplete analgesia to the glenohumeral joint. We report a case of combined selective suprascapular and axillary nerve blockade in combination with local infiltration analgesia in a patient with severe lung disease undergoing total shoulder arthroplasty...
August 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28763354/stemless-shoulder-arthroplasty-review-of-early-clinical-and-radiographic-results
#11
Tyler J Brolin, Ryan M Cox, Joseph A Abboud, Surena Namdari
No abstract text is available yet for this article.
August 1, 2017: JBJS Reviews
https://www.readbyqxmd.com/read/28762021/retroverted-glenoid-reconstruction-using-glenoid-plate-in-reverse-shoulder-arthroplasty
#12
R Lanzone, S Carbone, P Albino, J-B Cassio, P Métais
PURPOSE: The objective of this study is to evaluate the clinical and radiological results of reverse shoulder arthroplasty (RSA) with glenoid plating in a consecutive series of patients affected by cuff tear glenohumeral arthropathy with glenoid retroversion >15°. We hypothesized that autologous humeral head graft may be better stabilized between the baseplate and the native glenoid surface with the use of a glenoid plate. METHODS: Twenty consecutive patients affected by cuff tear arthropathy with glenoid retroversion >15° (B2 or C according to Walch classification) were enrolled in this study...
July 31, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28751094/revision-of-failed-shoulder-hemiarthroplasty-to-reverse-total-arthroplasty-analysis-of-157-revision-implants
#13
Giovanni Merolla, Eric Wagner, John W Sperling, Paolo Paladini, Elisabetta Fabbri, Giuseppe Porcellini
BACKGROUND: There remains a paucity of studies examining the conversion of failed hemiarthroplasty (HA) to reverse total shoulder arthroplasty (RTSA). Therefore, the purpose of this study was to examine a large series of revision HA to RTSA. METHODS: A population of 157 patients who underwent conversion of a failed HA to a revision RTSA from 2006 through 2014 were included. The mean follow-up was 49 months (range, 24-121 months). The indications for revision surgery included instability with rotator cuff insufficiency (n = 127) and glenoid wear (n = 30); instability and glenoid wear were associated in 38 cases...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28751093/two-stage-reimplantation-for-the-treatment-of-deep-infection-after-shoulder-arthroplasty
#14
Andrew T Assenmacher, Eduard Alentorn-Geli, Taylor Dennison, Yaser M K Baghdadi, Robert H Cofield, Joaquín Sánchez-Sotelo, John W Sperling
BACKGROUND: Two-stage reimplantation is the most common treatment modality considered for periprosthetic shoulder infection (PSI). Most studies to date have reported on a relatively small number of shoulders. The purpose of this study was to determine the outcome of 2-stage reimplantation for PSI in terms of both eradication of infection and restoration of function. METHODS: Between 1980 and 2010, 40 shoulders (39 patients) underwent a 2-stage reimplantation for PSI; 35 shoulders (34 patients) met inclusion criteria (10 hemiarthroplasties, 24 anatomic total shoulder arthroplasties, 1 reverse total shoulder arthroplasty)...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28751092/the-incidence-and-effect-of-fatty-atrophy-positive-tangent-sign-and-rotator-cuff-tears-on-outcomes-after-total-shoulder-arthroplasty
#15
W Stephen Choate, Ellen Shanley, Richard Washburn, Stefan J Tolan, Tariq I Salim, Josh Tadlock, Elizabeth C Shealy, Catherine D Long, Ashley E Crawford, Michael J Kissenberth, Keith T Lonergan, Richard J Hawkins, John M Tokish
BACKGROUND: Treatment choices for total shoulder arthroplasty (TSA) in the absence of full-thickness rotator cuff tears (RCTs) are not clearly defined in current literature. This study investigated the prevalence and effect of preoperative partial-thickness RCTs and muscular degenerative changes on postoperative outcomes after TSA. METHODS: Medical records and magnetic resonance imaging studies were reviewed for patients who underwent TSA for primary glenohumeral osteoarthritis with minimum 2-year follow-up to determine preoperative tear classification, Goutallier grade, and supraspinatus tangent sign...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28748362/case-study-failure-of-superior-capsular-reconstruction-using-dermal-allograft
#16
J Zerr, J D McDermott, N M Beckmann, R K Fullick, A Chhabra
Superior capsular reconstruction (SCR) is a novel technique for treating irreparable rotator cuff tears in younger patients in whom a reverse total shoulder arthroplasty is not the optimal treatment choice. This case study describes a middle-aged male with a recurrent, massive, irreparable rotator cuff tear treated with SCR that subsequently failed at the glenoid attachment. The patient underwent successful arthroscopic revision of the SCR. The case illustrates the MRI and arthroscopic correlations of the failed dermal allograft reconstruction, which to our knowledge has not been previously shown in the radiology literature...
July 26, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28747277/glenosphere-size-in-reverse-shoulder-arthroplasty-is-larger-better-for-external-rotation-and-abduction-strength
#17
Andreas M Müller, Marian Born, Christian Jung, Matthias Flury, Christoph Kolling, Hans-Kaspar Schwyzer, Laurent Audigé
BACKGROUND: The role of glenosphere size in reverse shoulder arthroplasty (RSA) may be important in prosthetic stability, joint kinematics, rotator cuff tension and excursion, scapular impingement, humeral lateralization, deltoid wrap, and the occurrence of "notching." This study compared short- and midterm clinical and radiographic outcomes for 2 different glenosphere sizes of a single RSA type with respect to implant positioning, glenoid size, and morphology. METHODS: This retrospective analysis included 68 RSA procedures that were prospectively documented in a local register during a 5-year postoperative period...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28747276/tobacco-use-predicts-a-more-difficult-episode-of-care-after-anatomic-total-shoulder-arthroplasty
#18
Daniel B Wells, Andrew M Holt, Richard A Smith, Tyler J Brolin, Frederick M Azar, Thomas W Throckmorton
BACKGROUND: In the current health care environment, it is becoming increasingly important to recognize risks factors that may affect a patient's postoperative outcome. To determine the potential impact of tobacco as a risk factor, we evaluated postoperative pain, narcotic use, length of stay, reoperations, and complications in the global 90-day episode of care for patients undergoing anatomic total shoulder arthroplasty (TSA) who were current tobacco users, former users, or nonusers. METHODS: Database search identified 163 patients with primary anatomic TSA done for glenohumeral arthritis; these were divided into 3 groups: current tobacco users (28), nonusers (88), and former users (47)...
July 24, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28742777/lack-of-association-between-the-use-of-nerve-blockade-and-the-risk-of-persistent-opioid-use-among-patients-undergoing-shoulder-arthroplasty-evidence-from-the-marketscan-database
#19
Kathryn G Mueller, Stavros G Memtsoudis, Edward R Mariano, Laurence C Baker, Sean Mackey, Eric C Sun
BACKGROUND: Persistent opioid use following surgery has received increasing attention from policymakers, researchers, and clinicians. Perioperative nerve blockade has been hypothesized to decrease the risk of persistent opioid use. We examined whether nerve blockade was associated with a decreased risk of persistent opioid use among patients undergoing shoulder arthroplasty, a procedure with high rates of persistent postoperative pain. METHODS: Using health care claims data, we constructed a sample of 6695 patients undergoing shoulder arthroplasty between 2002 and 2012 and used billing data to identify the utilization of nerve blockade...
July 21, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28739297/the-impact-of-insulin-dependence-on-short-term-postoperative-complications-in-diabetic-patients-undergoing-total-shoulder-arthroplasty
#20
Michael C Fu, Venkat Boddapati, David M Dines, Russell F Warren, Joshua S Dines, Lawrence V Gulotta
BACKGROUND: The number of total shoulder arthroplasty (TSA) procedures performed is steadily increasing, and it is important to characterize predictors of postoperative complications for risk assessment models. Whereas diabetes has been associated with increased morbidity after TSA, the impact of insulin dependence on the risk profile of diabetic patients has not been described. METHODS: The National Surgical Quality Improvement Program database from 2011-2014 was used to identify 5918 TSA cases...
July 21, 2017: Journal of Shoulder and Elbow Surgery
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