Dear Doctor, I read that the cryo procedure can be repeated. How often can it be repeated and how often is that necessary?
The ultrasound-guided cryo procedure and other cryo procedures in general are classified as reversible prolonged conduction blocks of peripheral nerves. By their nature, the procedure freezes sections of nerves and causes a localized defined area of cell degeneration (axonal degeneration). The section of nerve degenerates after the procedure and this process goes on for 4-6 weeks varying from patient to patient. Almost immediately following this degeneration begins a regeneration of the nerve trunk. This also takes 4-6 weeks. The pain is usually gone by the end of this time.
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