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Review
. 2019 Aug:94:64-81.
doi: 10.1016/j.actbio.2019.05.041. Epub 2019 May 23.

Nanofiber-based matrices for rotator cuff regenerative engineering

Affiliations
Review

Nanofiber-based matrices for rotator cuff regenerative engineering

Nikoo Saveh-Shemshaki et al. Acta Biomater. 2019 Aug.

Abstract

The rotator cuff consists of a cuff of soft tissue responsible for rotating the shoulder. Rotator cuff tendon tears are responsible for a significant source of disability and pain in the adult population. Most rotator cuff tendon tears occur at the bone-tendon interface. Tear size, patient age, fatty infiltration of muscle, have a major influence on the rate of retear after surgical repair. The high incidence of retears (up to 94% in some studies) after surgery makes rotator cuff injuries a critical musculoskeletal problem to address. The limitations of current treatments motivate regenerative engineering approaches for rotator cuff regeneration. Various fiber-based matrices are currently being investigated due to their structural similarity with native tendons and their ability to promote regeneration. This review will discuss the current approaches for rotator cuff regeneration, recent advances in fabrication and enhancement of nanofiber-based matrices and the development and use of complex nano/microstructures for rotator cuff regeneration. STATEMENT OF SIGNIFICANCE: Regeneration paradigms for musculoskeletal tissues involving the rotator cuff of the shoulder have received great interest. Novel technologies based on nanomaterials have emerged as possible robust solutions for rotator cuff injury and treatment due to structure/property relationships. The aim of the review submitted is to comprehensively describe and evaluate the development and use of nano-based material technologies for applications to rotator cuff tendon healing and regeneration.

Keywords: Electrospinning; Enthesis; Nanofibrous matrices; Regenerative engineering; Rotator cuff; Tendon; Textile-based matrices.

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