An interventional study of Ultrasound imaging & fluoroscopic confirmation in Thoracic Diseases and Myofascial Pain, sponsored by Seoul National University. Status unknown. Open to participants aged 19 Years to 85 Years. Per ClinicalTrials.gov, last updated 2020-01-10.
Sponsored by Seoul National University · Not applicable, Interventional, and Diagnostic
Typically, the rhomboid minor muscles rise from the C7-T1 spinous process and run downward to touch the upper inner corner of the scapula, and the rhomboid major muscles rise from the T2-T5 spinous process and run downward to reach the lower middle inner corner of the scapula. In anatomical research articles, it has been reported that the rhomboid muscle's anatomical variations are rare. Considering the characteristics of these rhomboid muscles, the investigators planned a study on the utility of rhomboid muscles as a landmark for identifying thoracic spine levels.
68 studies on the registry are indexed under Thoracic Diseases; 14 are open to participants now.
This study's planned enrollment of 100 is above the median of 70 across 50 interventional studies indexed under Thoracic Diseases.
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Ultrasound scanning of the rhomboid muscle
Procedure: Ultrasound imaging & fluoroscopic confirmation
The researchers use ultrasound to scan the left and right sides of the paravertebral sagittal imaging to identify trapezius, semispinalis, erector spinae muscle, transverse process and rhomboid muscle. The radiopaque marker is attached respectively to the skin of the inferior margin of the rhomboid muscle on the left and right thoracic spinal spines. Then, as the first step for the scheduled nerve block to the patient, thoracic vertebra level verification using C-arm is performed. At this time, left and right level of the transverse process of thoracic spine marked with the radiopaque marker are confirmed and recorded.
Ultrasound-guided Thoracic Spinal Level
Thoracic vertebra level of radiopaque marker labeled on the rhomboid muscle inferior margin on C-arm
Time frame: during the procedure
1. Changes in marker position when raised the arm above the head and in a relaxed position
Time frame: during the procedure
2. Rhomboid muscle variation
The presence of rhomboid muscle fusion
Time frame: during the procedure
3. Visibility grade of muscle fascia using Ultrasound (I - IV)
A. Grade I: Definitely visible B. Grade II: Somewhat visible C. Grade III: Barely visible D. Grade IV: Not visible
Time frame: during the procedure
4. Depth: The distance from the skin where the marker is attached to the transverse process of thoracic spine
Time frame: during the procedure
5. Difference between left and right sides
The distance between left and right inferior thoracic spine attachment site of rhomboid muscle
Time frame: during the procedure
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This study is status unknown, as verified in Jan 2020. You cannot join it, but the record below documents what was studied.
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Seoul National University