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Ultrasonographic and MRI Explorations of Infraspinatus Muscle in Postero-superior Rotator Cuff Tear

Not Applicable
Recruiting
Conditions
Rotator Cuff Tears
Interventions
Other: MRI
Other: ultrasonographic explorations
Registration Number
NCT04223440
Lead Sponsor
University Hospital, Tours
Brief Summary

The project aims to evaluate the contribution of texture analysis on MRI sections, and the technical feasibility, reproducibility, and clinical relevance of quantitative ultrasound and elastography to characterize the composition and volume of infraspinatus muscle in postero-superior rotator cuff tears. The perspectives are to optimize the imaging to allow a quantitative, objective and reproducible analysis of the muscle tissue and its characteristics.

Detailed Description

The rotator cuff of the shoulder consists of 4 tendinomuscular units including the infraspinatus. This complex system fulfils a double role: stabilization/coaptation (raising the arm) and arm mobility (especially external rotation). Rupture of rotator cuff tendons is frequent (\> 80% among chronic shoulder pain). They go with a decrease in muscle volume (amyotrophy) and irreversible fat infiltration. The treatment is medical and then surgical (if necessary). The degrees of atrophy and muscle infiltration (especially infraspinatus) are the criteria of choice for surgery. Actually, they are assessed in MRI according to the classification of Fuchs; it is operator dependent, qualitative and poorly reproducible with a strong inter-observer variability. Our team highlighted (2016) the possibility of using texture analysis software to objectively measure the proportion of fatty tissue on MRI sections of the cuff rotator muscles. This work also showed the possibility of using mode B ultrasound for morphological imaging and shear wave elastography to estimate the elasticity of the infraspinatus. The project aims to evaluate the contribution of texture analysis on MRI sections, and the technical feasibility, reproducibility, and clinical relevance of quantitative ultrasound and elastography to characterize the composition and volume of infraspinatus muscle in postero-superior rotator cuff tears. The perspectives are to optimize the imaging to allow a quantitative, objective and reproducible analysis of the muscle tissue and its characteristics.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
30
Inclusion Criteria
  • ≥ 35 years-old and ≤75 years-old
  • tendonous, transfixing, postero-superior, unilateral and symptomatic rotator cuff lesions
  • controlateral shoulder without symptom, without rotator cuff injuries, without medical ou surgical history
  • written informed consent
  • affiliation to a social security system
Exclusion Criteria
  • pregnant woman
  • patient under legal protection
  • contraindications to MRI
  • traumatic or surgical or medical relevant history on shoulder
  • general or local disease affecting the skeletal striated muscle

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Postero-superior Rotator Cuff TearMRIMRI, ultrasonographic explorations
Postero-superior Rotator Cuff Tearultrasonographic explorationsMRI, ultrasonographic explorations
Healthy Postero-superior Rotator CuffMRIMRI, ultrasonographic explorations
Healthy Postero-superior Rotator Cuffultrasonographic explorationsMRI, ultrasonographic explorations
Primary Outcome Measures
NameTimeMethod
MRI Texture Index (MTI)up to 2 months

MRI texture index (MTI) on the healthy side and pathological side

Secondary Outcome Measures
NameTimeMethod
velocity of shear wave in m.s-1up to 2 months

shear wave velocity on the healthy side and pathological side

Ultrasound Texture Index (UTI)up to 2 months

Ultrasound Texture Index (UTI) on the healthy side and pathological side

Trial Locations

Locations (1)

Chu Tours

🇫🇷

Tours, France

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