ELASTOGRAPHIC ANALYSIS OF THE SUPRASPINATUS TENDON IN DIFFERENT AGE GROUPS

ABSTRACT Objective: To compare the mechanical properties of the supraspinatus tendon in different age groups using Supersonic Shearwave Imaging (SSI) elastography. Methods: We evaluated 38 healthy individuals of both genders, 20 being in the range of 20 to 35 years and 18 being over 60 years. The shear modulus of the supraspinatus tendon was measured by SSI elastography, always on the right side. Means between age groups were compared and statistically analyzed using the Shapiro-Wilk normality test followed by the student’s t-test and were established as a statistically significant value of p ≤ 0.05. Results: A statistically significant difference was observed when the mean values of the shear modulus of the supraspinatus tendon of young adults (23.98 ± 9.94 KpA) were compared with those of older adults (17.92 ± 6.17 KpA). Conclusion: We found a difference between the means of the shear modulus measured by the SSI elastography, showing a significant decrease of the shear modulus with the chronological age progression. Level of Evidence III, Diagnostic Studies - Investigating a Diagnostic Test.

Bibliographic Details

Main Authors:	Fontenelle,César Rubens da Costa, Schiefer,Márcio, Mannarino,Pietro, Lacerda,Isac Borges, Machado,Francisco José Thomé, Farias,Raphael Gonçalves dos Santos, Oliveira,Viviane Bastos de, Oliveira,Liliam Fernandes de
Format:	Digital revista
Language:	English
Published:	ATHA EDITORA 2020
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522020000400190
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