A biomechanical cadaveric study comparing superior capsule reconstruction using fascia lata allograft with human dermal allograft for irreparable rotator cuff tear

Biomechanical and clinical success of the superior capsule reconstruction (SCR) using fascia lata (FL) grafts has been reported. In the United States, human dermal (HD) allograft has been used successfully for SCRs; however, the biomechanical characteristics have not been reported. Eight cadaveric s...

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Bibliographic Details
Published in:Journal of shoulder and elbow surgery 2017-12, Vol.26 (12), p.2158-2166
Main Authors: Mihata, Teruhisa, Bui, Christopher N.H., Akeda, Masaki, Cavagnaro, Matthew A., Kuenzler, Michael, Peterson, Alexander B., McGarry, Michelle H., Itami, Yasuo, Limpisvasti, Orr, Neo, Masashi, Lee, Thay Q.
Format: Article
Language:English
Subjects:
Aged
allograft
Allografts
Biomechanical Phenomena
biomechanics
Cadaver
cadaver study
fascia lata
Fascia Lata - transplantation
Female
human dermal
Humans
Joint Capsule - surgery
Male
Middle Aged
Movement
Range of Motion, Articular
Reconstructive Surgical Procedures - methods
Rotator Cuff Injuries - surgery
Shoulder Joint - physiopathology
Shoulder Joint - surgery
Skin Transplantation
subacromial contact pressure
Superior capsule reconstruction
superior translation
Suture Techniques
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Summary:Biomechanical and clinical success of the superior capsule reconstruction (SCR) using fascia lata (FL) grafts has been reported. In the United States, human dermal (HD) allograft has been used successfully for SCRs; however, the biomechanical characteristics have not been reported. Eight cadaveric shoulders were tested in 5 conditions: (1) intact; (2) irreparable supraspinatus tear; (3) SCR using FL allograft with anterior and posterior suturing; (4) SCR using HD allograft with anterior and posterior suturing; and (5) SCR using HD allograft with posterior suturing. Rotational range of motion, superior translation, glenohumeral joint force, and subacromial contact were measured at 0°, 30°, and 60° of glenohumeral abduction in the scapular plane. Graft dimensions before and after testing were also recorded. Biomechanical parameters were compared using a repeated-measures analysis of variance with Tukey post hoc test, and graft dimensions were compared using a Student t-test (P 
ISSN:1058-2746
1532-6500
DOI:10.1016/j.jse.2017.07.019