Abstract:
BACKGROUND:Since the advent of stemless implants, several different fixation feature designs have been used to improve primary implant stability. These stemless designs are diverse, and the rationale for their selection and design has not been thoroughly studied. Accordingly, this investigation assessed the effect of stemless implant geometry on the simulated stress and strain response of the proximal humerus. METHODS:Five humeral finite element models were used to examine 10 generic stemless implants with variable fixation features (2 central, 4 peripheral, and 4 boundary crossing). Loads representing 45° and 75° of shoulder abduction were simulated. Implants were compared based on the percentage of implant-bone surface area that remained in contact, the change in bone stress relative to the intact state, and the simulated potential for bone to resorb, remodel, or remain unchanged after reconstruction. RESULTS:The implant-bone contact area was greatest for peripheral, followed by central and boundary-crossing designs. All implants elicited similar bone stress variations, which were greatest 0 to 5 mm beneath the resection and laterally. The simulated potential cortical response was also similar for all implants, with the greatest simulated resorbing potential 0 to 15 mm beneath the resection, and very little expected remodeling. Differences between implants were most prominent within the simulated potential trabecular response, with the central implants having the least bone volume percentage expected to resorb. CONCLUSIONS:Simulated humeral bone response after stemless anatomic shoulder replacement depends on fixation feature geometry. Trade-offs exist between implant types. Centrally pegged implants produced the lowest simulated resorbing potential, whereas peripheral implants had the greatest percentages of implant-bone contact area.
journal_name
J Shoulder Elbow Surgjournal_title
Journal of shoulder and elbow surgeryauthors
Reeves JM,Langohr GDG,Athwal GS,Johnson JAdoi
10.1016/j.jse.2018.06.002subject
Has Abstractpub_date
2018-12-01 00:00:00pages
2232-2241issue
12eissn
1058-2746issn
1532-6500pii
S1058-2746(18)30408-7journal_volume
27pub_type
杂志文章abstract:BACKGROUND:The purpose of this paper is to examine the intra-observer and inter-observer reliability of preoperative templating to help determine its usefulness for approximating proximal humeral stem and head size in shoulder arthroplasty. METHODS:Thirty-one nonconsecutive patients underwent uncemented total shoulder...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2008.11.015
更新日期:2009-09-01 00:00:00
abstract::The most widely used radiographic classification system for acromial morphology identifies three distinct acromial shapes: type I (flat), type II (curved), and type III (hooked). The purpose of this study was to measure the interobserver and intraobserver reliability of determinations of acromial morphology as defined...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/s1058-2746(05)80037-0
更新日期:1995-11-01 00:00:00
abstract:BACKGROUND:The objective measurement of dominant/nondominant arm use proportion in daily life may provide relevant information on healthy and pathologic arm behavior. This prospective case-control study explored the potential of such measurements as indicators of upper limb functional recovery after rotator cuff surger...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2015.01.017
更新日期:2015-09-01 00:00:00
abstract::This study presents the results of a new surgical technique, resection of the medial end of the clavicle and interposition of the sternal head of the sternocleidomastoid muscle, that was used for the treatment of 17 painful sternoclavicular (SC) joints, 14 of which were available for review. The etiology of the pain w...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2005.04.005
更新日期:2006-01-01 00:00:00
abstract:BACKGROUND:A hyperosmolar irrigation solution has been reported to be safe and have potential benefits for use during shoulder arthroscopy in an animal model study. In this study, the clinical effects of a hyperosmolar solution were compared with a standard isotonic solution when used for shoulder arthroscopy. METHODS...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.jse.2017.02.021
更新日期:2017-05-01 00:00:00
abstract:BACKGROUND:Irreparable rotator cuff tears (ICTs) remain a challenging treatment dilemma. Superior capsule reconstruction (SCR) acts as a static stabilizer to decrease superior humeral head migration. Latissimus dorsi tendon transfers (LDTs) dynamically decrease superior humeral head migration and improve external rotat...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2019.01.016
更新日期:2019-08-01 00:00:00
abstract:BACKGROUND:The Simple Shoulder Test (SST) is a brief, inexpensive, and widely used patient-reported outcome tool, but it has not been rigorously evaluated for patients having shoulder arthroplasty. The goal of this study was to rigorously evaluate the validity of the SST for outcome assessment in shoulder arthroplasty ...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2017.03.029
更新日期:2017-10-01 00:00:00
abstract::The purpose of this anatomic study was to evaluate potential causes of rupture of the distal biceps tendon, to assess the dynamic relationship of the proximal radioulnar joint during pronation and supination, and to identify potential sites of impingement of the distal biceps tendon. For the anatomic study specimens w...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/s1058-2746(05)80044-8
更新日期:1995-05-01 00:00:00
abstract:BACKGROUND:Accurate glenoid component placement is important to prevent glenoid component failure in total shoulder arthroplasty (TSA). Navigation may reduce the variability of glenoid component version and inclination; therefore, the aims of this study were to determine, in patients undergoing TSA, whether computer na...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2019.04.037
更新日期:2019-12-01 00:00:00
abstract:BACKGROUND:The optimal technique for arthroscopic rotator cuff repair is still controversial. Large tears with a high grade of retraction have an especially high risk of retearing. This study reports the clinical and radiologic results of a triple-row modified suture bridge technique for the treatment of full-thickness...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2019.06.010
更新日期:2020-02-01 00:00:00
abstract:BACKGROUND:Complications after anatomic (aTSA) and reverse (rTSA) total shoulder arthroplasty can be devastating to a patient's quality of life and require revisions that are costly to both the patient and the health care system. The purpose of this study is to determine the types, incidence, and timing of complication...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2020.07.028
更新日期:2020-08-04 00:00:00
abstract:BACKGROUND:The Simple Shoulder Test (SST) is an internationally used patient-reported outcome for clinical practice and research purposes. It was developed for measuring functional limitations of the affected shoulder in patients with shoulder dysfunction and contains 12 questions (yes/no). The purpose of this study wa...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2011.09.026
更新日期:2012-06-01 00:00:00
abstract:BACKGROUND:Overhead athletes are subject to adaptations in the shoulder including glenohumeral internal rotation deficit (GIRD). It has been documented that this alteration is more evident in overhead athletes with pain. Our objective was to compare glenohumeral rotation motion between symptomatic and asymptomatic hand...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2012.08.027
更新日期:2013-05-01 00:00:00
abstract:HYPOTHESIS:A review of the current literature will show a difference between the biomechanical properties of double-row and single-row rotator cuff repairs. BACKGROUND:Rotator cuff tears commonly necessitate surgical repair; however, the optimal technique for repair continues to be investigated. Recently, double-row r...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章,评审
doi:10.1016/j.jse.2009.07.002
更新日期:2009-11-01 00:00:00
abstract::The purpose of this study is to evaluate the objective, subjective, and radiographic results of arthroscopic biceps tenotomy in selected patients with rotator cuff tears. Three hundred seven arthroscopic biceps tenotomies were performed in patients with full- thickness rotator cuff tears. Patients were selected for ar...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2004.07.008
更新日期:2005-05-01 00:00:00
abstract::Protection of the anterior aspect of the deltoid muscle is critical to the success of shoulder arthroplasty. Between 1975 and 1980, 75 patients with 81 shoulder arthroplasties had exposure via the anteromedial approach with careful anterior deltoid detachment through fascial tissues, systematic repair, and standardize...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2004.02.009
更新日期:2004-09-01 00:00:00
abstract:BACKGROUND:Acromioclavicular joint separations continue to be a challenge for surgeons, and modern arthroscopically assisted techniques are becoming increasingly widespread. The aim of this study is to evaluate if the use of a biological support in association with a nonresorbable subcoracoid fixation can improve long-...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2020.02.014
更新日期:2020-10-01 00:00:00
abstract:BACKGROUND:Studies suggest that arthroscopic repair techniques may have high recurrence rates for larger rotator cuff tears. A more anatomic repair may improve the success rate when performing arthroscopic rotator cuff repair. We hypothesized that a triple-row modification of the suture-bridge technique for rotator cuf...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2011.10.027
更新日期:2012-10-01 00:00:00
abstract::The incidence of primary and secondary bicipital tendinitis remains unknown. In our prospective study, 200 consecutive shoulders underwent arthroscopic subacromial decompression for impingement syndrome. A biceps tenodesis was performed in 80 shoulders (40%) featuring macroscopic degeneration of the long head of the b...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1067/mse.2000.108386
更新日期:2000-09-01 00:00:00
abstract::A retrospective case-control study was undertaken to evaluate the pathologic radiographic changes that occur in primary osteoarthritis of the elbow. The radiographs of 50 patients with primary osteoarthritis of the elbow were compared with an age- and sex-matched control group to distinguish those features specific to...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2006.08.005
更新日期:2007-05-01 00:00:00
abstract:BACKGROUND:Kyphosis is a cause of scapular dyskinesis, which can induce various shoulder disorders, including subacromial impingement syndrome (SIS). This study aimed to clarify the impact of kyphosis on SIS with use of cross-sectional data from the Locomotive Syndrome and Health Outcome in Aizu Cohort Study (LOHAS). ...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2014.04.010
更新日期:2014-12-01 00:00:00
abstract::Sixteen patients underwent detailed arthroscopic evaluation; all had moderate to severe, primarily unexplained shoulder pain provoked by anterior elevation and internal rotation, and all were nonresponsive to subacromial injection of local anesthetic. None of the patients had any symptoms or signs of instability. Part...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1067/mse.2000.109322
更新日期:2000-11-01 00:00:00
abstract:BACKGROUND:Obesity is linked to major health conditions and poor surgical outcomes. The impact of obesity on self-perceived outcome after rotator cuff repair (RCR) is unclear. MATERIALS AND METHODS:We studied 154 patients who underwent RCR. Obesity was considered a body mass index (BMI) greater than 30. Preoperative a...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2010.03.003
更新日期:2010-12-01 00:00:00
abstract:BACKGROUND:A novel arthroscopic technique allows for intraosseous tendon placement in biceps tenodesis using bone tunnels and suture while avoiding the expense of an implant. No biomechanical characterization exists for this construct. METHODS:Tensile tests were used to compare a suture-only biceps tenodesis technique...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2014.02.027
更新日期:2014-11-01 00:00:00
abstract:BACKGROUND:The purpose of this study was to increase our understanding of the pathoanatomy of the ulnar collateral ligament (UCL) by performing a descriptive analysis of the surgical inspection of the anterior bundle in patients undergoing reconstruction. METHODS:A single-surgeon series of 163 patients who underwent U...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2019.01.017
更新日期:2019-08-01 00:00:00
abstract::The purpose of this study is to determine if bipolar radiofrequency energy (bRFE) can enhance delayed surgical repair of acute supraspinatus tendon tears. Bilateral supraspinatus tendon tears were created in 42 Sprague-Dawley rats and repaired at 6 weeks either with or without bRFE augmentation. There were 8 control (...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2006.11.008
更新日期:2007-09-01 00:00:00
abstract:BACKGROUND:The chondral print (CP) sign is a chondral change on the humeral head underneath the long head of the biceps (LHB) tendon. Several suggested causative links have been described, but the pathologic mechanism remains unclear. METHODS:We designed this prospective cohort association study of 102 consecutive sho...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2016.11.003
更新日期:2017-06-01 00:00:00
abstract:HYPOTHESIS:Arthroscopic osteocapsular arthroplasty for stage III osteoarthritis (advanced stage) shows worse clinical and radiologic outcomes compared with stage I or II according to computed tomography (CT)-based classification. METHODS:Clinical and radiologic outcomes in 65 patients treated with arthroscopic osteoca...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2019.09.036
更新日期:2020-05-01 00:00:00
abstract::Glenoid component loosening generates the greatest concern among surgeons performing total shoulder arthroplasty. Laboratory testing of glenoid prostheses may lead to improved design, subsequently leading to a reduction in the incidence of clinical loosening. The goals of this study were to develop a laboratory test m...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1067/mse.2000.105451
更新日期:2000-07-01 00:00:00
abstract:BACKGROUND:Total excision of the clavicle is rarely performed. No previous study has documented long-term outcomes with objective measurements of strength, motion, and patient-centered outcomes. We present the long-term consequences of total claviculectomy on shoulder girdle function, global upper extremity function, a...
journal_title:Journal of shoulder and elbow surgery
pub_type: 杂志文章
doi:10.1016/j.jse.2013.05.011
更新日期:2014-02-01 00:00:00