Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study

(1) Background: It is unknown which imaging parameters are associated with clinical persistent symptoms in postoperative Achilles tendons. This study used B-Mode, Power Doppler (PD-US), Ultrasound Tissue Characterization (UTC) and Shear Wave Elastography (SWE) to investigate which imaging parameters...

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Main Authors: Priscila Nunes, Marcel Betsch, Bernhard Fuss, Timm Dirrichs, Markus Tingart, Valentin Quack, Matthias Gatz
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Healthcare
Subjects:
Online Access:https://www.mdpi.com/2227-9032/9/3/288
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author Priscila Nunes
Marcel Betsch
Bernhard Fuss
Timm Dirrichs
Markus Tingart
Valentin Quack
Matthias Gatz
author_facet Priscila Nunes
Marcel Betsch
Bernhard Fuss
Timm Dirrichs
Markus Tingart
Valentin Quack
Matthias Gatz
author_sort Priscila Nunes
collection DOAJ
description (1) Background: It is unknown which imaging parameters are associated with clinical persistent symptoms in postoperative Achilles tendons. This study used B-Mode, Power Doppler (PD-US), Ultrasound Tissue Characterization (UTC) and Shear Wave Elastography (SWE) to investigate which imaging parameters are associated with persistent symptoms in postoperative Achilles tendon tissue. (2) Methods: Retrospective, cross-sectional, multimodal imaging study. Based on the VISA-A score, postoperative tendons were assigned to two groups: 1. asymptomatic (VISA-A ≥ 90, <i>n</i> = 18); 2. symptomatic (VISA-A < 90, <i>n</i> = 10). The following imaging parameters were analyzed: UTC (echo type I, II, III, IV), B-Mode (diameter, cross sectional area, calcification, fiber irregularity), PD-US (Öhberg score) and SWE (SWE 3 mm, SWE area) using a <i>t</i>-test and a <i>Mann–Whitney U</i> test. (3) Results: SWE and PD-US showed significantly reduced elasticity and increased neovascularization in symptomatic tendons (SWE 3 mm <i>p</i> = 0.031, SWE area <i>p</i> = 0.046, Öhberg score <i>p</i> < 0.001). The only significant correlation between imaging parameters and the VISA-A score was assessed for SWE 3 mm (r = 0.378; <i>p</i> = 0.047) and the Öhberg score (r = −0.737; <i>p</i> < 0.001). Conclusions: Symptomatic postoperative Achilles tendons showed increased neovascularization and lower SWE values than asymptomatic ones. Future studies should examine the diagnostic accuracy of PD-US and SWE in detecting current symptoms in postoperative Achilles tendons.
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spelling doaj.art-821e4ca04ac8465f8effa4598c9fb7a82023-12-03T12:41:36ZengMDPI AGHealthcare2227-90322021-03-019328810.3390/healthcare9030288Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound StudyPriscila Nunes0Marcel Betsch1Bernhard Fuss2Timm Dirrichs3Markus Tingart4Valentin Quack5Matthias Gatz6Department of Orthopedics, University Hospital RWTH Aachen, 52074 Aachen, GermanyDepartment of Orthopedic and Trauma Surgery, University Hospital Mannheim, 68167 Mannheim, GermanyPraxisklinik Orthopädie, University Hospital Aachen Franziskus, 52074 Aachen, GermanyDepartment of Diagnostic and Interventional Radiology, University Hospital RWTH Aachen, 52074 Aachen, GermanyDepartment of Orthopedics, University Hospital RWTH Aachen, 52074 Aachen, GermanyDepartment of Orthopedics, University Hospital RWTH Aachen, 52074 Aachen, GermanyDepartment of Orthopedics, University Hospital RWTH Aachen, 52074 Aachen, Germany(1) Background: It is unknown which imaging parameters are associated with clinical persistent symptoms in postoperative Achilles tendons. This study used B-Mode, Power Doppler (PD-US), Ultrasound Tissue Characterization (UTC) and Shear Wave Elastography (SWE) to investigate which imaging parameters are associated with persistent symptoms in postoperative Achilles tendon tissue. (2) Methods: Retrospective, cross-sectional, multimodal imaging study. Based on the VISA-A score, postoperative tendons were assigned to two groups: 1. asymptomatic (VISA-A ≥ 90, <i>n</i> = 18); 2. symptomatic (VISA-A < 90, <i>n</i> = 10). The following imaging parameters were analyzed: UTC (echo type I, II, III, IV), B-Mode (diameter, cross sectional area, calcification, fiber irregularity), PD-US (Öhberg score) and SWE (SWE 3 mm, SWE area) using a <i>t</i>-test and a <i>Mann–Whitney U</i> test. (3) Results: SWE and PD-US showed significantly reduced elasticity and increased neovascularization in symptomatic tendons (SWE 3 mm <i>p</i> = 0.031, SWE area <i>p</i> = 0.046, Öhberg score <i>p</i> < 0.001). The only significant correlation between imaging parameters and the VISA-A score was assessed for SWE 3 mm (r = 0.378; <i>p</i> = 0.047) and the Öhberg score (r = −0.737; <i>p</i> < 0.001). Conclusions: Symptomatic postoperative Achilles tendons showed increased neovascularization and lower SWE values than asymptomatic ones. Future studies should examine the diagnostic accuracy of PD-US and SWE in detecting current symptoms in postoperative Achilles tendons.https://www.mdpi.com/2227-9032/9/3/288postoperativeShear Wave ElastographyUltrasound Tissue CharacterizationPower DopplerAchilles tendonsurgery
spellingShingle Priscila Nunes
Marcel Betsch
Bernhard Fuss
Timm Dirrichs
Markus Tingart
Valentin Quack
Matthias Gatz
Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
Healthcare
postoperative
Shear Wave Elastography
Ultrasound Tissue Characterization
Power Doppler
Achilles tendon
surgery
title Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
title_full Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
title_fullStr Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
title_full_unstemmed Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
title_short Evaluation of Current Symptoms in Postoperative Achilles Tendons: A Multimodal Ultrasound Study
title_sort evaluation of current symptoms in postoperative achilles tendons a multimodal ultrasound study
topic postoperative
Shear Wave Elastography
Ultrasound Tissue Characterization
Power Doppler
Achilles tendon
surgery
url https://www.mdpi.com/2227-9032/9/3/288
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AT marcelbetsch evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy
AT bernhardfuss evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy
AT timmdirrichs evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy
AT markustingart evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy
AT valentinquack evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy
AT matthiasgatz evaluationofcurrentsymptomsinpostoperativeachillestendonsamultimodalultrasoundstudy