Juvenile idiopathic arthritis echocardiography or ultrasound

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];AEDheeraj Makkar, M.D.[2]

Ultrasonography is an important adjunctive imaging modality in juvenile idiopathic arthritis (JIA), particularly for the detection of active synovitis and joint effusions, and is emphasized in contemporary reviews as a radiation-free, accessible tool for pediatric patients.^[1]

USG is especially useful for evaluating superficial joints and guiding clinical assessment when physical examination findings are equivocal.

• Detection of joint effusions and synovial hypertrophy
• Assessment of active synovitis using power Doppler imaging
• Evaluation of tenosynovitis and enthesitis
• Identification of subclinical joint inflammation
• Guidance for intra-articular injections

Ultrasonography is more sensitive than clinical examination for detecting active inflammation but is operator dependent and less effective for deep joints.

Echocardiography is not routinely required in all patients with JIA but plays a critical role in selected cases.

• Evaluation of pericarditis or myocarditis in systemic JIA
• Assessment of cardiac involvement in patients with persistent fever or systemic inflammation
• Monitoring of serositis-related complications

Echocardiography is particularly relevant in systemic JIA, where cardiac involvement may occur as part of generalized inflammatory disease.

Ultrasonography and echocardiography complement MRI and radiography by providing real-time, noninvasive assessment of inflammation and systemic complications without ionizing radiation.^[2]

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