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Assessment of Safe Cartilage Harvesting Quantity in the Shoulder: A Cadaveric Study.


ABSTRACT:

Purpose

To evaluate the volume and yield of morselized cartilage that can be harvested from the shoulder for immediate reimplantation and repair.

Methods

A standard arthroscopic approach was used to harvest non-load-bearing cartilage from 5 cadaveric shoulder specimens. Cartilage was separated from the humerus, grasped, added to the cartilage particulator, and morselized to form a cartilage paste. The volume of reclaimed cartilage was measured and compared with average humeral and glenoid defects.

Results

The total yield of cartilage paste following tissue processing that was obtained from the 5 glenohumeral joints ranged from 1.0 mL to 2.4 mL with a mean volume of 1.9 ± 0.5 mL, yielding a theoretical 18.6 cm2 ± 5.2 cm2 of coverage with a 1-mm monolayer. Previously reported mean glenoid defect size ranges from 1.12 cm2 to 2.73 cm2, while the mean humeral defect size ranges from 4.22 cm2 to 6.00 cm2.

Conclusions

This study validated that through a single-stage surgical and processing technique it is possible to obtain a sufficient volume for re-implantable autologous morselized cartilage graft to address most glenohumeral articular cartilage defects.

Clinical relevance

Chondrocyte grafts have been shown to be effective in cartilage repair. A single-site, single-staged procedure that uses a patient's autologous shoulder cartilage from the same joint has the potential to reduce morbidity associated with multiple surgical sites, multistaged procedures, or nonautologous tissue in shoulder surgery.

SUBMITTER: O'Brien MC 

PROVIDER: S-EPMC7879179 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Publications

Assessment of Safe Cartilage Harvesting Quantity in the Shoulder: A Cadaveric Study.

O'Brien Michael C MC   Dzieza Wojciech K WK   Bruner Michelle L ML   Farmer Kevin W KW  

Arthroscopy, sports medicine, and rehabilitation 20201226 1


<h4>Purpose</h4>To evaluate the volume and yield of morselized cartilage that can be harvested from the shoulder for immediate reimplantation and repair.<h4>Methods</h4>A standard arthroscopic approach was used to harvest non-load-bearing cartilage from 5 cadaveric shoulder specimens. Cartilage was separated from the humerus, grasped, added to the cartilage particulator, and morselized to form a cartilage paste. The volume of reclaimed cartilage was measured and compared with average humeral and  ...[more]

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