This is a post-market, single-arm, retrospective registry. The investigator or its representative will identify eligible patients through a medical record search.

This is a post-market, single-arm, retrospective registry. The investigator or its representative will identify eligible patients through a medical record search. Data will be captured retrospectively. Subjects will have been treated with the investigational device in the past and according to standard of care. Subjects will not be involved in any registry related procedures.

Inclusion Criteria:

• Subject has undergone surgical treatment with the LifeSpan.
• Surgical treatment was for bypass or reconstruction of diseased or occluded blood vessels (PVP group) or arteriovenous shunting for blood access (AV group).
• For PVP group: Subject's surgical treatment was at minimum 3 years ago, and maximum 10 years ago, at time of enrollment.
• For AV group: Subject's surgical treatment was at minimum 2 years ago, and maximum 10 years ago, at time of enrollment.

Exclusion Criteria:

• None

This is a retrospective registry. The included population is therefore directly representative of the population in a real-world environment.

This is a fully anonymized registry. No IPD will be collected or shared.