Registry of Avance® Nerve Graft's Utilization and Recovery Outcomes Post Peripheral Nerve Reconstruction

Exclusion Criteria

• •Subject who in the opinion of the investigator, have not or likely will not complete at least some portion of the investigator's recommended follow-up.
• •Addendum 1 (MATCH) Criteria:
• •Direct nerve repairs;
• •Nerve gaps greater than 70mm;
• •Subjects who, in the opinion of the investigator, were non-compliant to the investigator's post-operative treatment or rehabilitation instructions;
• •Any subject who at the discretion of the Investigator is not suitable for inclusion in the study.
• •Addendum 2 (Sensation-NOW) Criteria:
• •Surgical history of secondary revision surgery for partial or total flap loss
• •Bilateral reconstruction with non-uniform treatment (i.e. 1 reconstructed breast is non-neurotized, 1 reconstructed breast is neurotized)
• •Currently prescribed medication known to impact nerve regeneration or to cause peripheral neuropathy
• •Currently undergoing IV chemotherapy or radiation
• •Any subject who at the discretion of the Investigator is not suitable for inclusion in the study or is unlikely to comply with follow-up schedule
• •Additional Eligibility criteria to Modules
• •Module 1: Native Skin Reconstructions with and without neurotization.
• •Buried flap reconstructions from nipple sparing mastectomy or skin sparing mastectomy OR a breast reconstruction from a skin sparing mastectomy with exposed flap skin in the peri-areolar region.
• •Sensory assessments must be completed on ≥ 8 Zones of Native Skin.
• •* Center zone measurement may be on either Native Skin or Flap Skin.
• •* All Inner and Outer zone measurements must be on Native Skin.
• •* De-identified photo of the breast reconstruction with 9 zones identified.