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Elbow Anatomy

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181. Structural glenoid allograft reconstruction during reverse total shoulder arthroplasty. (Abstract)

preoperatively vs. 10 ± 8 postoperatively, P = .002), the average American Shoulder and Elbow Surgeons score (31 ± 19 preoperatively vs. 70 ± 25 postoperatively, P < .001), and average active forward elevation (71° ± 41° preoperatively vs. 128° ± 28° postoperatively, P < .001) were noted. Coronal-plane radiographic correction was 29° ± 12° as measured with the reverse shoulder arthroplasty angle (P < .001) and 14° ± 11° as measured with the β angle (P < .001). Postoperatively, of 17 patients with a minimum 1 (...) -year radiographic follow-up, 14 (82%) had complete radiographic incorporation of the graft. Acromial fracture nonunions developed in 2 patients and loosening and migration of the baseplate were found in 2 patients, although no patients elected to undergo further surgery.RTSA with allograft reconstruction of severe glenoid defects allows restoration of glenoid anatomy and leads to high rates of bony incorporation with low rates of glenoid loosening or requirement for revision. Structural allograft

2019 Journal of Shoulder and Elbow Surgery

182. Treatment of a Complex Interprosthetic Humerus Fracture. (Abstract)

Treatment of a Complex Interprosthetic Humerus Fracture. Interprosthetic humeral shaft fractures involving shoulder and elbow arthroplasty can be difficult to manage surgically, both due to fracture and patient characteristics. Adequate fixation can be difficult, given the intramedullary nature of the adjacent implants. Careful attention must be paid to regional anatomy, and care must be taken to not damage the radial or ulnar nerve during dissection and mobilization of the fracture, especially (...) hemiarthroplasty and total elbow arthroplasty.

2019 Journal of Orthopaedic Trauma

183. Parameterization of proximal humerus locking plate impingement with in vitro, in silico, and in vivo techniques. Full Text available with Trip Pro

to simulate impingement. Second, a dynamic in silico musculoskeletal model modeled changes to implant geometry, surgical techniques, and acromial anatomy, where a collision detection algorithm was used to simulate impingement. Finally, in vivo shoulder kinematics were recorded for 9 activities of daily living. Motions that created a high likelihood of impingement were identified.Of simulated impingement events, 73.9% occurred when the plate was moved proximally, and 84% occurred when acromial tilt was 20 (...) in the likelihood of impingement, whereas plate thickness and humeral head center of rotation should also be considered. Careful preoperative planning that includes these factors could help guide operative decision making and improve clinical outcomes.Copyright © 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

2019 Journal of Shoulder and Elbow Surgery

184. Why off-the-shelf clavicle plates rarely fit: anatomic analysis of the clavicle through statistical shape modeling. (Abstract)

of the clavicle often makes it challenging for the surgeon to make the plate fit adequately. Based on the identified variability in the clavicle's anatomy, it seems unlikely that a clavicle plating system can fit the entire population.Copyright © 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved. (...) -superior bow, and medial and lateral curvature. Statistically significant differences between male and female clavicles were seen in length, sigmoid shape, and medial curvature. Comparison in men between left and right revealed significant differences in length and medial curvature. For women, a statistically significant difference between left and right was only seen in the length.Although the operative treatment of displaced midshaft clavicular fractures has clear benefits, the variable anatomy

2019 Journal of Shoulder and Elbow Surgery

185. Current Best Peripheral Nerve Transfers for Spinal Cord Injury. (Abstract)

Current Best Peripheral Nerve Transfers for Spinal Cord Injury. After reviewing this article, the participant should be able to: 1. Understand the anatomy and pathophysiology of spinal cord injury and the resulting upper and lower motor neuron syndromes. 2. Recognize who may benefit from nerve transfers. 3. Understand the role of history, examination, imaging, and electrodiagnostics in the determination of time-sensitive lower motor neuron injury versus non-time-sensitive upper motor neuron (...) injury. 4. Outline the surgical options and perioperative care for those undergoing nerve transfer and the expected outcomes in restoring shoulder, elbow, wrist, and hand function.This article outlines how to localize and differentiate upper motor neuron from combined upper and lower motor neuron injury patterns in spinal cord injury by means of detailed history, physical examination, imaging, and electrodiagnostic studies to formulate appropriate surgical plans to restore function in this complex

2019 Plastic and reconstructive surgery

186. Ulnar Nerve Anterior Transmuscular Transposition in the Lateral Decubitus Position. (Abstract)

on the posteromedial aspect of the elbow. This report reviews the surgical indications and contraindications, pertinent anatomy, patient positioning rationale and method, surgical technique, postoperative management, and potential complications for this ulnar nerve transposition procedure. Discussion of the technique and an illustrative case are also provided.Copyright © 2018 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved. (...) Ulnar Nerve Anterior Transmuscular Transposition in the Lateral Decubitus Position. Ulnar nerve anterior transmuscular transposition is a well-accepted surgical technique for the treatment of ulnar nerve entrapment or subluxation at the elbow. The procedure, which addresses both compression and traction forces on the nerve, may be performed with the patient in the lateral decubitus position, allowing direct access to and excellent visualization of the ulnar nerve through an incision

2019 Journal of Hand Surgery - American

187. Percutaneous cubital tunnel release with a dissection thread: a cadaveric study. (Abstract)

and the extent of damage to surrounding structures. The cubital tunnel and deep across the medial elbow were completely transected leaving the ulnar nerve fully decompressed in all cases. There was no evidence of direct injury to the ulnar nerve or adjacent neurovascular structures. A prerequisite knowledge of sonographic anatomy and experience with interventional ultrasound is essential. Future clinical studies should evaluate this technique's safety and efficacy compared with conventional ones. (...) Percutaneous cubital tunnel release with a dissection thread: a cadaveric study. This cadaveric study tested the feasibility of decompressing the ulnar nerve across the elbow percutaneously with a commercially available surgical dissection thread, a guiding needle, hydrodissection and ultrasound guidance. We performed the procedure in 19 fresh-frozen cadaveric upper extremities. Subsequently, we did an anatomical dissection of the specimens to visualize the extent of ulnar nerve decompression

2019 Journal of Hand Surgery - European

188. Skin Cancer Treatment (PDQ®): Health Professional Version

of Medicare fee-for-service data to the U.S. population, it has been estimated that the total number of persons treated for nonmelanoma skin cancers in 2012 was about 3 million.[ , ] That number exceeds all other cases of cancer estimated by the American Cancer Society for that year, which totaled about 1.6 million.[ ] Although nonmelanoma skin cancer is the most common of all malignancies, it accounts for less than 0.1% of patient deaths caused by cancer. Anatomy Anatomy of the skin showing the epidermis (...) deficiency disorders. Tumors of the scalp, ala nasi, nasolabial fold, tragus, postauricular sulcus, free eyelid margin, upper lip vermillion border, and lower legs. Tumors near nerves. Caution should also be used before treating nodular ulcerative neoplasia more than 3 cm in diameter, carcinomas fixed to the underlying bone or cartilage, tumors situated on the lateral margins of the fingers and at the ulnar fossa of the elbow, or recurrent carcinomas following surgical excision. Permanent pigment loss

2017 PDQ - NCI's Comprehensive Cancer Database

189. Bye Bye Biceps: Case Report Describing Presentation, Physical Examination, Diagnostic Workup, and Treatment of Acute Distal Biceps Brachii Tendon Rupture. (Abstract)

Bye Bye Biceps: Case Report Describing Presentation, Physical Examination, Diagnostic Workup, and Treatment of Acute Distal Biceps Brachii Tendon Rupture. Rupture of the distal biceps tendon is seen in both the emergency and primary care settings. It most commonly occurs after excessive tension exerted on a flexed forearm. Knowledge of the anatomy, pathophysiology, historical and physical examination findings, as well as the workup, diagnosis, and treatment of distal biceps tendon rupture (...) are essential in achieving good outcomes, as delays in treatment can make surgical repair more challenging and less efficacious.A healthy 38-year-old male presented to his primary care physician complaining of right elbow pain that started while lifting an all-terrain vehicle into a truck. On physical examination, the patient had obvious deformity of the distal upper arm, as well as a positive squeeze test. Magnetic resonance imaging confirmed the presence of complete rupture of the distal biceps brachii

2018 Journal of Emergency Medicine

190. Post-Market Clinical Follow-up Study (PMCF) Comprehensive Reverse Augmented Glenoid in Total Shoulder Arthroplasty

glenoid baseplate options designed for various severities of glenoid erosion and deformity, the device promotes bony ingrowth while restoring natural human anatomy. Outcome Measures Go to Primary Outcome Measures : Implant Survivorship [ Time Frame: 10 years ] Based on removal or intended removal of the device and determined using the Kaplan-Meier method Secondary Outcome Measures : Frequency and Incidence of Adverse Events [ Time Frame: 10 years ] Monitoring the frequency and incidence of adverse (...) events, serious adverse events, adverse device effects, serious adverse device effects, and unanticipated serious adverse device effects as well as device deficiencies. Clinical efficacy of the device is assessed using the American Shoulder and Elbow Surgeon Score Patient Questionnaire. [ Time Frame: 10 years ] Pain, function, and activities of daily living are measured. The ASES scale is 0-100. 100 is the highest score and indicates the greatest function while 0 is the lowest score. Radiographic

2018 Clinical Trials

191. Aneurysmal bone cyst of the clavicle: a series of 13 cases. (Abstract)

at an average of 6 months, for which 2 were treated with partial resection of the clavicle.ABC of the clavicle is a rare condition that we found to occur most frequently in the acromial end of the bone. Most patients were initially treated with curettage and showed a higher rate of recurrence than in other locations. The unique anatomy of the clavicle makes resection a feasible and very functional option, especially if the coracoclavicular ligaments can be preserved. However, the potential resulting (...) deformity may cause patients to opt for a less aggressive and, consequently, less effective treatment method.Copyright © 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

2018 Journal of Shoulder and Elbow Surgery

192. The posterior ridge of the greater tuberosity of the humerus: a suitable landmark for the posterior approach to the shoulder joint? Full Text available with Trip Pro

The posterior ridge of the greater tuberosity of the humerus: a suitable landmark for the posterior approach to the shoulder joint? The purpose of this study was to evaluate the posterior ridge of the greater tuberosity, a palpable prominence during surgery, as a landmark for the posterior approach to the glenohumeral joint.Twenty-five human cadaveric shoulders were dissected. In 5 cases, a full-thickness rotator cuff tear was present. The posterior surgical anatomy was defined (...) is always located proximal to the insertion of the TM and IBG.Copyright © 2017 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

2018 Journal of Shoulder and Elbow Surgery

193. Spherical versus elliptical prosthetic humeral heads: a comparison of anatomic fit. (Abstract)

Spherical versus elliptical prosthetic humeral heads: a comparison of anatomic fit. The aim of this study was to quantify the influence of prosthetic humeral head shape, as well as the number of available prosthetic head sizes, on replicating the normal humeral head anatomy during shoulder reconstructive surgery.Computer modeling software was used to create virtual sets of both spherical and elliptical prosthetic heads, which were virtually implanted into 3-dimensional computed tomography scan (...) . Statistical significance was set at P ≤ .05.Regardless of the number of available head sizes per set, it was possible to replicate the normal anatomy within 3 mm in a higher percentage of specimens using elliptical (96%-100%) as opposed to spherical (41%-78%) prosthetic heads (P ≤ .0013).Compared with use of spherical prosthetic heads, use of elliptical heads resulted in improved replication of the normal humeral head shape. In light of the emerging evidence that use of anatomically shaped prosthetic

2018 Journal of Shoulder and Elbow Surgery

194. Clinical and radiologic outcomes following total shoulder arthroplasty using Arthrex Eclipse stemless humeral component with minimum 2 years' follow-up. (Abstract)

following surgery. There were no cases of loosening or infection.The functional and radiographic outcomes of Eclipse total shoulder replacement are excellent. We were able to accurately reproduce the native anatomy in the majority of cases, with no implant loosening, at 2 to 6 years' follow-up.Copyright © 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved. (...) Clinical and radiologic outcomes following total shoulder arthroplasty using Arthrex Eclipse stemless humeral component with minimum 2 years' follow-up. Stemless humeral components benefit from less morbidity, better reproduction of the humeral anatomy, ease of revision, and fewer stem-related complications. Encouraging results are available up to 9 years after surgery from the designer's series. This is an independent study of 100 consecutive Eclipse stemless prostheses for osteoarthritis

2018 Journal of Shoulder and Elbow Surgery

195. The radiocapitellar synovial fold: a lateral anatomic landmark for sizing radial head arthroplasty. (Abstract)

The radiocapitellar synovial fold: a lateral anatomic landmark for sizing radial head arthroplasty. Successful radial head arthroplasty relies on reproduction of anatomy. We hypothesized that the radiocapitellar synovial fold could serve as a reference point in radial head prosthesis sizing. Our study aimed to define the relationship between the synovial fold and the radial head in elbows with and without lateral ulnar collateral ligament (LUCL) injury.We performed magnetic resonance imaging (...) evaluation of 34 elbows to determine the normal relationship between the radiocapitellar synovial fold and the radial head. Next, we used cadaveric dissections to evaluate the anatomic relationships with the LUCL intact and disrupted, as well as in the setting of sizing with a radial head prosthesis. The fold-to-radial head distance (FRHD) was measured on all images and analyzed to determine the relationship of the synovial fold and radial head.The FRHD in cadavers with an intact LUCL and native radial

2018 Journal of Shoulder and Elbow Surgery

196. Evaluating the Safety and Effectiveness of the InnAVasc Graft for Dialysis Access in Patients With Kidney Failure

for Study: 18 Years to 80 Years (Adult, Older Adult) Sexes Eligible for Study: All Accepts Healthy Volunteers: No Criteria Inclusion Criteria: Patients with ESRD who are not, or who are no longer, candidates for creation of an autologous AV fistula and therefore need placement of an AV graft to start or maintain hemodialysis therapy; Age 18 to 80 years old, inclusive; Suitable anatomy for implantation of upper arm "straight" or looped graft, or forearm looped graft (graft not to cross the bend (...) of the elbow); For patients NOT on Coumadin / warfarin, international normalized ratio (INR) ≤1.5; Able and willing to give informed consent; Anticipated life expectancy of at least 1 year. Additional inclusion criteria on Day 0 (intraoperative): Both vessels have been exposed and are deemed appropriate for implantation implantation (i.e. based on the surgeon's opinion, artery is of adequate size, has adequate pulse to support AV access flow and is safely clampable (i.e. artery has lack of significant

2018 Clinical Trials

197. Transferring the Motor Branch of the Opponens Pollicis to the Terminal Division of the Deep Branch of the Ulnar Nerve for Pinch Reconstruction. Full Text available with Trip Pro

(OPB) to the terminal division of the deep branch of the ulnar nerve (TDDBUN).We dissected 10 embalmed hands to study the anatomy of the thenar branches of the median nerve and TDDBUN. We also operated on 3 patients with recent ulnar nerve injuries around the elbow, suturing the ulnar nerve and transferring the OPB to the TDDBUN. Before and after surgery, we measured grasp, key pinch, and pinch-to-zoom strength using dynamometers. Pinch-to-zoom gesture consists of moving the index finger and thumb (...) Transferring the Motor Branch of the Opponens Pollicis to the Terminal Division of the Deep Branch of the Ulnar Nerve for Pinch Reconstruction. With ulnar nerve injuries, paralysis of the first dorsal interosseous (FDI) and the adductor pollicis (ADP) muscles weakens pinch. The likelihood that these muscles will be reinnervated following ulnar nerve repair around the elbow is very low. To overcome this obstacle, we propose a more distal repair: transferring the opponens pollicis motor branch

2018 Journal of Hand Surgery - American

198. Effects Of The Core Stability Exercises On Balance And Hand Functions

were volunteer to participate in the study and 39 of them had no neurological disease, were from 18 to 65 years old, and had no upper extremity injuries. And they have joined to exercise training during 6 weeks. Other: Exercise At the beginning of the training, participants were informed about the anatomy and biomechanics of core muscles and the effectiveness core stabilization exercises. In all sessions, 5 minutes warm-up exercises and 5 minutes cool-down exercises were done before training (...) Measures : Functional grip strength change measurement [ Time Frame: at baseline and 6 weeks (review the change) ] Grip strength was measured by digital hand dynamometer J-Tech ™ (Midvale, USA). Participants' position was glenohumeral joint in 0° abduction and neutral rotation, elbow joint in 90° flexion, forearm and wrist in the neutral position, according to criteria determined by the American Hand Therapist Association. Three measurements were taken from dominant and non-dominant sides

2018 Clinical Trials

199. Arthroplasty for glenohumeral arthritis in shoulders with a previous Bristow or Latarjet procedure. (Abstract)

Arthroplasty for glenohumeral arthritis in shoulders with a previous Bristow or Latarjet procedure. Coracoid transfer has become increasingly popular for recurrent anterior shoulder instability. Despite the success, glenohumeral arthropathy develops in some patients. Arthroplasty in this population is complicated by altered anatomy, scarring, and retained hardware. This study evaluated shoulder arthroplasty in patients with a previous Latarjet or Bristow procedure.Between 1980 and 2014, 33 (...) , and grade 1 to 2 notching was observed in 2 RTSAs.Shoulder arthroplasty in patients after prior coracoid transfer is technically challenging, yet improvements in pain and function are predictable. Instability and glenoid loosening are common reasons for revision surgery, likely related to difficulties in achieving a good soft tissue balance.Copyright © 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

2018 Journal of Shoulder and Elbow Surgery

200. The impact of varus angulation on proximal fractures of the ulna. Full Text available with Trip Pro

not been significantly affected. We suggest that orthopedic surgeons should assess whether the specialized structures of the proximal ulna are damaged or not before surgery. If the anatomy of the fractured bone cannot be restored through manipulation of the connected end directly, it is better to image the anatomical structure of the healthy side from using an elbow X-ray before surgery, and then reset using a pre-shaped plate to prevent malunion. (...) The impact of varus angulation on proximal fractures of the ulna. We studied anteromedial varus angulation (VA) in the proximal third of the ulna. The importance of restoration of the anatomical orientation of the ulnar after a proximal fracture is unclear. The purpose of this study was to evaluate the impact of minimal proximal ulna malunion on elbow function after a proximal ulna fracture.We reviewed the follow-up of 60 patients who had undergone open reduction with internal fixation (ORIF

2018 BMC Musculoskeletal Disorders

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