Injections for Back and Neck Pain
Physicians treating back and neck pain use injections as both a diagnostic and therapeutic treatment tools. Injections are non-surgical options when medicine and physical therapy do not provide intended outcomes and can also help identify the exact source of pain.
Injections typically involve the use of an anti-inflammatory steroid to reduce swelling and a numbing agent to disrupt or block pain signals from being transmitted to the brain.
Pain Management Procedures
Also known as blocks for impeding nerves from sending pain signals to the brain, injections are usually outpatient procedures. While the patient is lying face down, a local anesthetic is applied to the injection site. Advanced imaging technology may be used to help guide the physician, depending on the type of injection.
There are several common injections for back pain:
- Epidural steroid injections – Using a special X-ray for guidance, a steroid is injected around the dura, a sac that surrounds nerves, to reduce inflammation. Types: Transforaminal (nerve openings in the spine), interlaminar (between vertebra) and caudal (low back) epidurals.
- Nerve blocks – A combination of a steroid and numbing agent is injected around or directly into the nerve. Types: Stellate (front of the neck), celiac plexus (abdomen), lumbar sympathetic (lower back), superior hypogastric (pelvis), ganglion impar (tailbone), occipital (back of head), supraorbital (forehead and eye socket) and suprascapular (shoulder).
- Facet joint block— With the assistance of a special X-ray for guidance, a local anesthetic is used to locate and numb the medial nerves on the facet joint. Facet joints are located along each section of the spine and help with motion and stabilization. Facet joint blocks can be administered as a stand-alone treatment or immediately precede radiofrequency ablation.
- Sacroiliac joint block – Using the same approach as the facet joint block, this injection focuses on the lateral nerves along the sacroiliac joint, which connects the triangular bone at the bottom of the spine (sacrum) to the pelvic bone, (iliac crest). It is also used as a stand-alone treatment or with radiofrequency ablation.
Recovery from injections varies based on the condition treated. In general, rest from strenuous activities is recommended in the 24 hours following an injection. Patients should consult with their physicians regarding a return to normal activities and a physical therapy plan, if recommended.
Neck and Spine Regions
In medical terminology, the spine is divided into regions that correspond to their position along the vertebrae in the backbone. These sections are:
- Cervical vertebrae in the neck (C1-C7)
- Thoracic vertebrae in the chest-level or upper back segment (T1-T12)
- Lumbar vertebrae in the lower back (L1-L5)
- Sacral vertebrae in the pelvic region (S1-S5)
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