X-ray-guided knee or hip joint nerve injection
Knee or hip joint nerve block is an injection procedure that helps relieve pain caused by degenerative, inflammatory, or postoperative changes in the joints.
Using X-ray navigation, the surgeon can precisely identify anatomical points and inject a mixture of anesthetic and anti-inflammatory drugs into areas where large peripheral nerves (e.g., the femoral, obturator, or tibial nerves) pass. This blocks the transmission of pain impulses, significantly alleviating the patient's condition.
No special preparation is required for the procedure. However, it is necessary to consult with an anesthesiologist or an orthopedic surgeon. The specialist will evaluate your medical history and current health conditions, as well as analyze the results of MRI, CT, or X-ray examinations. If the patient is taking anticoagulants, the therapy may need to be temporarily adjusted after the initial consultation.
The patient is positioned on the treatment table to allow access to the target areas. The surgeon will first treat the skin with an antiseptic and administer local anesthesia. Then, they will perform an injection near the corresponding nerve trunk under fluoroscopic guidance. Knee joints are most often treated by blocking the genicular nerves and their branches. For the hip joint, branches of the femoral and obturator nerves are blocked. The injected drug may contain a local anesthetic, such as lidocaine or bupivacaine, and a glucocorticosteroid. The procedure takes 15 to 20 minutes and is performed on an outpatient basis.
We use advanced equipment to make sure the procedure is safe and accurate. The primary navigation tool is an EOC (electro-optical converter), an X-ray system that lets the surgeon monitor the needle's position and the direction of the drug injection in real time. We also use special sterile spinal needles that accurately reach the target area without damaging surrounding tissues. Depending on the clinical situation, local anesthetics and anti-inflammatory drugs are used, most often glucocorticosteroids. All procedures are performed under strict sterile conditions with constant monitoring of the patient's condition.
Following the procedure, you will be required to remain at the clinic for about an hour under medical supervision. Physical activity should be reduced for 24 hours after the procedure. Physical therapy, exercise therapy, or a series of injections may be prescribed to consolidate the results. Radiofrequency ablation may be considered for chronic pain.
Benefits
Precise localization
Targets the source of pain
Navigation control
X-ray guidance minimizes the risk of errors
Quick action
Pain often subsides within a few hours
Diagnostic value
Helps confirm whether pain syndrome is associated with a specific nerve
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Orthopedic Trauma Surgeon, Vertebrologist
General surgeon, Professor, Doctor of Medical Sciences. Head of the Spine Surgery Department.
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