SonoElastography of Median Nerve in Rheumatoid Arthritis

Assiut University71 enrolled

Overview

To assess the role of ultrasonography and SE in detecting the median nerve changes before progression to CTS in patients with RA.

Rheumatoid arthritis (RA) presents with persistent pain, stiffness, progressive joint destruction, functional disability, and progressive morbidity and mortality, and is a chronic systemic autoimmune disease.1 The cause of RA remains unknown, but the pathological mechanism of synovial inflammation may result due to the complex interplay of genetic immunology and environmental factors.2 Early diagnosis is fundamental to prevent the permanent sequel of RA. Recent advances in diagnostic imaging in rheumatology have benefited patients clinically and also provided information related to the pathophysiology of diseases like arthritis. Ultrasound (US) and magnetic resonance imaging were most commonly used in diagnosing and monitoring RA progression in joints and related joint structures.3 US elastography measures tissue elasticity using high-frequency sound waves to assess tissue's static or dynamic deformation behavior after a stimulus is applied. This technique has been described most commonly in the context of isotropic tissues, such as the liver and neoplastic diseases, but is now becoming of more interest in anisotropic tissues, such as those in the musculoskeletal system.4

Study Type

OBSERVATIONAL

Enrollment

Conditions

Rheumatoid Arthritis

Interventions

SonoelastographyDEVICE

Sonoelastography (SE) is a new ultrasound-based method measure the stiffness or elasticity of tissues, has no hazards on poatients.

Eligibility

Sex: ALLMin age: 1 YearMax age: 80 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * All patients diagnosed with RA and ruling out CTS by clinical evaluation that included Phalen's test, a manual muscle test of the abductor's muscle, and a search for Tinel-like signs and thenar muscle atrophy. Controls - Age- and sex- matched cases without RA undergoing US for causes unrelated to RA or CTS. The criteria for RA were adopted from The American Rheumatism Association (1987) for the classification of RA. Exclusion Criteria: * History of a condition other than RA that could cause CTS (e.g., diabetes mellitus, acute trauma, pregnancy ,hypothyroidism, hyperthyroidism, connective tissue disease)History of surgery for a wrist or hand fracture. * History of other systemic neurological disorders or radiculopathy Bifid median nerve or any mass lesion identified on US examination Pregnant patients were excluded.

Outcomes

Primary Outcomes

To assess the role of ultrasonography and SE in detecting the median nerve changes before progression to CTS in patients with RA.

The accuracy of Sonoelastography to detect median nerve changes in rheumatoid arthritis patients

Time frame: Baseline

Central Contacts

Marco Magdy, Resident doctor

CONTACT

01270777143 marcomagdy1997@gmail.com

Ahmed Mustafa, professor

CONTACT

01000024182 ahmed.hamed2@med.aun.edu.eg

Data from ClinicalTrials.gov

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