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Persistent lower back pain can impact everything from daily movement to quality sleep. When discomfort stems from the small joints of the spine, pinpointing the source is essential. At iOSS Medical, our team offers Medial Branch Block Lumbar as a non-surgical diagnostic and therapeutic option for patients experiencing facet joint-related back pain. 

This targeted procedure temporarily blocks pain signals from the medial branch nerves in your lower spine. Using advanced imaging guidance, we deliver an anesthetic precisely where it’s needed, helping confirm whether the facet joints are the source of pain and offering relief in the process. 

What Is a Medial Branch Block Lumbar? 

A Medial Branch Block Lumbar targets the medial branch nerves that transmit pain signals from the facet joints in the lumbar spine (lower back). These joints connect the vertebrae and can become inflamed or arthritic due to aging, injury, or repetitive stress. 

During the procedure, a small amount of anesthetic is injected near the medial branch nerves to block pain transmission. If you experience significant pain relief shortly after the block, it’s a strong indicator that the facet joints are the cause of your discomfort. 

This information is critical when planning further treatment, including radiofrequency ablation, which provides longer-term relief by disrupting pain signal pathways. 

How Is the Procedure Performed? 

At iOSS Medical, Medial Branch Block Lumbar is performed in an outpatient setting using real-time fluoroscopic (X-ray) guidance to ensure precision. 

Here’s what to expect: 

  • Preparation: You’ll be positioned comfortably, and the skin over the injection site will be cleansed and numbed with a local anesthetic. 
  • Needle Placement: Using X-ray guidance, a needle is inserted near the targeted medial branch nerves. 
  • Injection: A small amount of anesthetic—sometimes combined with a steroid—is delivered to block the nerves temporarily. 
  • Observation: After the injection, we’ll observe your response and assess the level of pain relief. 

The entire process usually takes less than 30 minutes, and you can return home the same day with minimal restrictions. 

Who Is a Candidate for Lumbar Medial Branch Block? 

This procedure is ideal for patients who have: 

  • Degenerative changes or arthritis in the lumbar spine 
  • Limited relief from physical therapy, medications, or other conservative options 
  • Not responded well to previous interventions 

A Medial Branch Block Lumbar may be recommended as part of your diagnostic workup before proceeding with longer-lasting treatments like radiofrequency ablation. 

Benefits of Medial Branch Block Lumbar 

  • Accurate Diagnosis: Helps determine whether your lumbar facet joints are the true source of pain. 
  • Immediate Relief: Many patients report reduced pain shortly after the injection. 
  • Minimally Invasive: No incisions, minimal downtime, and low risk. 
  • Guided Precision: Real-time imaging ensures accurate needle placement for targeted relief. 
  • Supports Next Steps: If effective, it opens the path to further non-surgical treatments. 

After the Procedure 

Some patients may experience pain relief for several hours, while others may notice continued improvement over the following day. The results of a Medial Branch Block Lumbar help your care team determine the next best step in your treatment plan. 

If you feel substantial relief, your provider may recommend a radiofrequency ablation (RFA), which uses heat to interrupt the nerves’ ability to send pain signals for longer-lasting results. 

Get Advanced Back Pain Relief at iOSS Medical 

If you’re dealing with persistent lower back pain that hasn’t responded to other treatments, Medial Branch Block Lumbar may offer the clarity and relief you need. At iOSS Medical, we specialize in non-surgical pain management strategies rooted in accuracy, compassion, and innovation. 

Our team uses cutting-edge diagnostic tools and image-guided procedures to help patients get back to living with less pain and more comfort.  

Request an appointment at iOSS Medical to find out if Medial Branch Block Lumbar is the right next step for your back pain.  

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