A Caudal injection is an injection into the lowest portion of the epidural space. It can help reduce lower back and leg pain caused by sciatica, herniated discs, bone spurs, or other back problems.
This operation can help reduce the inflammation and alleviate the pain. It’s injected into the patient’s back, into the area between the membrane that contains the spinal fluid (the dura) and the thickest ligament between the vertebrae. The caudal canal is below the lower end of the spinal cord.
The use of Linear Ultrasound Scanner L7 – 7.5/10 MHz Harmonic technology is necessary to identify the sacral hiatus, which is radiation-free, easy to use, and can provide real-time images in guiding the caudal epidural needle into the caudal epidural space.
L7- 7.5/10MHz may therefore be used as an adjuvant tool in caudal needle placement.
For which the quality of the harmonic image is primarily dependent on the complete elimination of all echoes derived from the transmitted frequencies.
Linear Ultrasound Scanner 7.5-10 Mhz offers several advantages over conventional pulse-echo imaging, including improved contrast resolution, reduced noise and clutter, improved lateral resolution, reduced slice thickness, reduced artifacts (side lobes, reverberations), and, in many instances, improved signal-to-noise ratio.
Under ultrasound guidance, the ultrasound-guided caudal injection technique appears to have 100% accuracy in caudal epidural needle placement into the caudal epidural space.
References: Caudal Injectio , Ultrasound-guided
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