Lumbar Interlaminar Injection: Contralateral Oblique Guidance and Hidden Tips
Автор: Practical Pain Management with Dr. Lee
Загружено: 2025-08-24
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{Learning Objectives}
Apply contralateral oblique (CLO) guidance in lumbar interlaminar injection.
Match needle entry with correct C-arm rotation: left parasagittal → right oblique, right parasagittal → left oblique.
Adjust final rotation according to anatomic variability.
Identify the tangential interlaminar line as the key landmark for safe needle advancement.
{Key Points}
After engaging the ligamentum flavum, rotate the C-arm to the contralateral side.
Left parasagittal → right oblique; Right parasagittal → left oblique.
The final rotation angle depends on each patient’s anatomy.
Stop when you see a clear tangential interlaminar line — this is the true epidural entry guide.
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