Genicular Nerve Ablation: Relieving Persistent Knee Pain After Surgery

Genicular Nerve Ablation: Relieving Persistent Knee Pain After Surgery

Total knee arthroplasty (knee replacement) and advanced joint degeneration are highly effective for restoring structural mobility. However, a sub-group of patients continues to experience persistent, severe knee pain even after successful surgical recovery or when severe health conditions make major joint surgery impossible.

When localized knee pain impairs walking and daily movement, Genicular Nerve Radiofrequency Ablation (RFA) provides a targeted, non-surgical interventional procedure to stop chronic pain signals directly at the joint source.

Understanding the Genicular Nerves

The knee joint is innervated by a complex network of sensory nerve branches known collectively as the genicular nerves. These sensory fibers carry pain signals from the bone, capsule, and surrounding ligaments up to the brain:

• Superior Lateral Genicular Nerve
• Superior Medial Genicular Nerve
• Inferior Medial Genicular Nerve

By targeting these specific sensory branches, interventional specialists can quiet pain signaling from the knee joint while leaving motor nerve pathways controlling leg strength completely untouched.

The Diagnostic Step: Genicular Nerve Blocks

Before proceeding to radiofrequency ablation, candidates undergo a diagnostic test to confirm that the genicular nerves are carrying the primary pain signals:

1. Image-Guided Test Block: Using real-time fluoroscopy (X-ray) or ultrasound guidance, an interventional specialist deposits a tiny volume of local anesthetic adjacent to the superior lateral, superior medial, and inferior medial genicular nerves.
2. Pain Evaluation: The patient performs daily movements (such as walking or climbing stairs) over the next several hours. A temporary pain reduction of 50% to 80% or greater confirms that the genicular nerves are the correct therapeutic target.

How Genicular RFA Works

Once verified, the patient returns for the outpatient RFA procedure:

• Micro-needles are guided to the exact anatomical locations of the targeted genicular nerves.
• Thermal radiofrequency energy is applied for several minutes to create precise heat lesions, interrupting sensory nerve conduction.

Genicular nerve ablation provides 6 to 12+ months of significant pain relief, enabling patients to walk comfortably, participate in physical recovery, and restore active daily living without requiring additional open joint surgery.

• Book Online: Visit igeaneuro.com to request a comprehensive diagnostic consultation with our pain management team.
• Call Our Team Today: Speak directly with our dedicated patient care coordinators at (866) 467-1770.