Comparative Evaluation of Coracoid Graft Dimensions in the Latarjet Surgery for Anterior Glenohumeral Instability

Alves, Bernardo V.P.; Silva, Gabriel S.; Matsumoto, Fábio Y.; Ferreira, Marco T.; Britto, Almiro G.; Mothes, Fernando C.

doi:10.1055/s-0039-1698801

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Original Articles, Shoulder • Rev. bras. ortop. 55 (2) • Mar-Apr 2020 • https://doi.org/10.1055/s-0039-1698801 copy

Comparative Evaluation of Coracoid Graft Dimensions in the Latarjet Surgery for Anterior Glenohumeral Instability^* * Study developed by the Shoulder Surgery Group, Department of Orthopedics and Traumatology, Irmandade da Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, RS, Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objectives

The aim of the present study was to describe the dimensions of the coracoid grafts in our Latarjet surgeries and compare them with the results described in the literature. In addition, the feasibility of the 7-millimeter rule was verified.

Methods

Individuals with anterior glenohumeral instability with or without bone loss participated in the present study. The dimensions of 31 coracoid process grafts of patients who were submitted to the Latarjet surgical technique were measured with an analogical caliper and recorded for posterior analysis.

Results

The dimensions of the coracoid graft did not show statistically significant differences related to gender. The graft width obtained from our sample presented similarities with the dimensions reported in the literature. However, the length and thickness were smaller when compared to the reference study (Young et al, 2013).¹⁵15 Young AA, Baba M, Neyton L, Godeneche A, Walch G. Coracoid graft dimensions after harvesting for the open Latarjet procedure. J Shoulder Elbow Surg 2013;22(04):485-488 The 7-millimeter rule was considered feasible regarding the graft dimensions obtained from our sample.

Conclusion

The coracoid graft dimensions were similar to the dimensions described in the literature regarding width, but the same was not found for length and thickness; and the 7-millimeter rule was feasible regarding the graft dimensions obtained from our sample.

Keywords
shoulder dislocation; shoulder joint/injuries; joint instability; glenoid cavity; bone transplantation

	Male (n = 27)	Female (n = 4)	p-value
Thickness	8.0 (1.6)	7.2 (1.2)	0.39
Length	22.8 (1.7)	21.7 (2.9)	0.30
Width	14.0 (2.1)	14.5 (2.3)	0.67

	General measurements (n = 31)	General measurements of the reference study (n = 76)	p-value
Thickness	7.9 (1.5)	9.2 (1.4)	< 0.001^* * statistical significance.
Length	22.6 (1.9)	26.4 (2.9)	< 0.001^* * statistical significance.
Width	14.0 (2.1)	14.1 (1.8) - superior	0.93
Width	14.0 (2.1)	13.3 (1.8) - inferior	0.06

	Males (n = 27)	Males in the reference study (n = 67)	p-value
Thickness	8.0 (1.6)	9.4 (1.4)	< 0.001^* * statistical significance.
Length	22.8 (1.7)	26.6 (2.7)	< 0.001^* * statistical significance.
Width	14.0 (2.1)	14.3 (1.7) - superior	0.47
Width	14.0 (2.1)	13.4 (1.7) - inferior	0.15

	Females (n = 4)	Females in the reference study (n = 9)	p-value
Thickness	7.2 (1.2)	8.8 (1.6)	0.09
Length	21.7 (2.9)	24.8 (4.1)	0.13
Width	14.5 (2.3)	12.6 (1.0) - superior	0.20
Width	14.5 (2.3)	12.2 (1.9) - inferior	0.14

Sociedade Brasileira de Ortopedia e Traumatologia Al. Lorena, 427 14º andar, 01424-000 São Paulo - SP - Brasil, Tel.: 55 11 2137-5400 - São Paulo - SP - Brazil
E-mail: rbo@sbot.org.br

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[1] Address for correspondence Bernardo V.P. Alves, Santa Casa de Misericórdia de Porto Alegre, Departamento de Ortopedia e Traumatologia, Rua Prof. Annes Dias 295–Centro, Porto Alegre, RS, 90020-090, Brasil (e-mail: bernardovpalves@gmail.com).

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Comparative Evaluation of Coracoid Graft Dimensions in the Latarjet Surgery for Anterior Glenohumeral Instability* * Study developed by the Shoulder Surgery Group, Department of Orthopedics and Traumatology, Irmandade da Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, RS, Brazil.

Abstract

Objectives

Methods

Results

Conclusion

Comparative Evaluation of Coracoid Graft Dimensions in the Latarjet Surgery for Anterior Glenohumeral Instability^* * Study developed by the Shoulder Surgery Group, Department of Orthopedics and Traumatology, Irmandade da Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, RS, Brazil.