Total Replacement of the Shoulder Joint (Two Cases)

Lettin, A. W. F.; Scales, John T.

doi:10.1177/003591577206500431

Cited by 12 publications

(2 citation statements)

References 4 publications

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“…poor therapeutic 303 K. Tukuse c't ul. I Joirrritrl of' Ortliopurtlic Reserir-clr 22 (2004) 298-305 results in patients using the constrained type, because of marked limitations in range of motion or loosening of the glenoid component, were often reported [ 11, 21,34]. At pre ent, the non-constrained type is mainly practiced.…”

Section: Discussionmentioning

confidence: 99%

The radiographic study in the relationship of the glenohumeral joint

Takase¹,

Yamamoto²,

Imakiire³

et al. 2004

Journal Orthopaedic Research

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Accurate reproduction of anatomic relationship is important in non‐constrained prosthetic arthroplasty. The accurate lateral glenohumeral offset, which indicates a parameter of the lever arm of the deltoid and supraspinatus muscles, is one of the most important elements in achieving the efficient shoulder functions after prosthetic reconstruction. However, to our knowledge, there has been no detailed study on the influence of minute changes in the neck shaft angle, within the normal range, on lateral glenohumeral offset. In this study, we evaluated the relationship between the neck shaft angle and various geometric measurement values in the glenohumeral joint. Radiographs of 471 shoulders without osseous lesions in the glenohumeral joint and greater tuberosity were reviewed. There were 265 males and 206 females, and a mean age was 53.5 years old. The final diagnosis was impingement syndrome in 269 patients, rotator cuff tear in 147, and control group in 55 patients. Eight parameters were measured on true anteroposterior radiographs. The lateral glenohumeral offset correlated with the radius of the curvature of the humeral head and the humeral head diameter. The neck shaft angle was not correlated with the offset value. However, when the offset value was divided by the humeral head diameter, to eliminate the affection of the size of the humeral head toward the offset, a correlation was observed with the neck shaft angle. Based on these correlations, we could obtain the equation of the lateral glenohumeral offset according to the neck shaft angle. Using the equation, when the neck shaft angle is decided, the lateral glenohumeral offset can be estimated based on the correlation between the parameters, which achieve the efficient shoulder functions after prosthetic components. Therefore, inaccurate determination of the neck shaft angle in the humeral head component design and selection may induce dysfunction of the abductor muscles. © 2003 Orthopaedic Research Society. Published by Elsevier Ltd. All rights reserved.

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Section: Discussionmentioning

confidence: 99%

The radiographic study in the relationship of the glenohumeral joint

Takase¹,

Yamamoto²,

Imakiire³

et al. 2004

Journal Orthopaedic Research

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“…Both resulted in pain relief and achieved 90° of abduction, 6 months and 1 year following the procedure Fig. ( 2 ) [ 16 ]. In 1982, the authors published the results of 49 Stanmore total shoulder replacements performed between 1969 and 1977 [ 17 ].…”

Section: Metal Implants Since 1950mentioning

confidence: 99%

Shoulder Arthroplasty: Historical Considerations

Zilber¹

2017

TOORTHJ

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Background:The first articular metal prosthesis was implanted in the shoulder more than 120 years ago. The aim of this paper is to report shoulder arthroplasty evolution during this time thru the literature of the twentieth century.Methods:A literature review was performed selecting the founding papers about shoulder arthroplasty.Results:After being almost forgotten during the first part of the 20th century, various implants were introduced in the 1950s with Charles Neer as a leader. The reverse concept appeared in the 1970s and knew many failures before Grammont’s design.Conclusion:After many unfortunate trials, the shoulder prosthesis is now widely disseminated with products of many companies.

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Status of Total Shoulder Arthroplasty

Cofield¹

1977

Arch Surg

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Total Replacement of the Shoulder Joint (Two Cases)

Cited by 12 publications

References 4 publications

The radiographic study in the relationship of the glenohumeral joint

The radiographic study in the relationship of the glenohumeral joint

Shoulder Arthroplasty: Historical Considerations

Status of Total Shoulder Arthroplasty

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