EPISODE · Dec 3, 2025 · 15 MIN
The Evolution of Cryoneurolysis: Regulatory Shifts and New Targets
from Wysdom Radio™ · host Wysdom
🎙️ The Evolution of Cryoneurolysis: Regulatory Shifts and New Targets This episode explores Cryoneurolysis, a cutting-edge interventional radiology technique that uses extreme cold to precisely disable nerves and stop chronic pain without addictive opioids. The "Sweet Spot" of Freezing: We break down the critical science of achieving a Sunderland Grade 2 injury (axonotmesis). This requires freezing the nerve to a precise temperature range (below -20°C but warmer than -100°C) to destroy the pain pathway while preserving the nerve's outer structure, allowing for healthy regeneration and avoiding painful neuromas. The Role of Advanced Imaging: Learn why CT guidance is essential for deep nerve targets. Unlike ultrasound, which is blocked by the "ice ball," CT allows interventional radiologists to see the entire freeze zone and protect vital organs using techniques like hydrodissection (injecting fluid to create a safety barrier). Policy Shifts Driving Access: We discuss the landmark 2015 CMS decision to approve new CPT codes for cryoablation, transforming it from a financially unviable procedure into a mainstream option for cancer pain, osteoarthritis, and nerve entrapment. Beyond Pain Relief: Discover surprising new applications, including trials targeting the vagus nerve for weight loss, where patients saw significant appetite reduction and weight loss. Tune in to understand how this precise, regenerative therapy is changing the landscape of pain management and beyond. Based on comments from experts, content on Wysdom, and the article cited below. Sag AA, Bittman R, Prologo F, et al. Percutaneous image-guided cryoneurolysis: applications and techniques. RadioGraphics. 2022;42(6):1776-1794. doi:10.1148/rg.220082
What this episode covers
🎙️ The Evolution of Cryoneurolysis: Regulatory Shifts and New Targets This episode explores Cryoneurolysis, a cutting-edge interventional radiology technique that uses extreme cold to precisely disable nerves and stop chronic pain without addictive opioids. The "Sweet Spot" of Freezing: We break down the critical science of achieving a Sunderland Grade 2 injury (axonotmesis). This requires freezing the nerve to a precise temperature range (below -20°C but warmer than -100°C) to destroy the pain pathway while preserving the nerve's outer structure, allowing for healthy regeneration and avoiding painful neuromas. The Role of Advanced Imaging: Learn why CT guidance is essential for deep nerve targets. Unlike ultrasound, which is blocked by the "ice ball," CT allows interventional radiologists to see the entire freeze zone and protect vital organs using techniques like hydrodissection (injecting fluid to create a safety barrier). Policy Shifts Driving Access: We discuss the landmark 2015 CMS decision to approve new CPT codes for cryoablation, transforming it from a financially unviable procedure into a mainstream option for cancer pain, osteoarthritis, and nerve entrapment. Beyond Pain Relief: Discover surprising new applications, including trials targeting the vagus nerve for weight loss, where patients saw significant appetite reduction and weight loss. Tune in to understand how this precise, regenerative therapy is changing the landscape of pain management and beyond. Based on comments from experts, content on Wysdom, and the article cited below. Sag AA, Bittman R, Prologo F, et al. Percutaneous image-guided cryoneurolysis: applications and techniques. RadioGraphics. 2022;42(6):1776-1794. doi:10.1148/rg.220082
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The Evolution of Cryoneurolysis: Regulatory Shifts and New Targets
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