Knotless PEEK and double-loaded biodegradable suture anchors ensure comparable clinical outcomes in the arthroscopic treatment of traumatic anterior shoulder instability: a prospective randomized study

Purpose To compare the clinical outcome of arthroscopic capsulolabral repair for traumatic anterior shoulder instability with PEEK knotless and knotted biodegradable suture anchors. Methods Arthroscopic stabilization was performed in 78 patients with recurrent traumatic anterior shoulder instability...

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Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2022-11, Vol.30 (11), p.3835-3841
Main Authors: Saccomanno, Maristella F., Cerciello, Simone, Adriani, Marco, Motta, Marcello, Megaro, Almerico, Galli, Stefano, Scaini, Alessandra, Milano, Giuseppe
Format: Article
Language:English
Subjects:
Arm
Biodegradability
Biodegradation
Bone loss
Bone surgery
Clinical outcomes
Disabilities
Dislocation
Independent variables
Injuries
Instability
Lesions
Medicine
Medicine & Public Health
Orthopedics
Patients
Shoulder
Sports Medicine
Stability
Stability criteria
Surgery
Sutures
Variables
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Summary:Purpose To compare the clinical outcome of arthroscopic capsulolabral repair for traumatic anterior shoulder instability with PEEK knotless and knotted biodegradable suture anchors. Methods Arthroscopic stabilization was performed in 78 patients with recurrent traumatic anterior shoulder instability. They were divided into 2 groups of 39 patients each, according to suture anchors used: knotless PEEK anchors in group 1, and biodegradable anchors in group 2. Exclusion criteria were: instability without dislocation, posterior or multidirectional instability, glenoid bone loss > 20%, off-track lesions, concomitant rotator cuff tears and previous surgery. The primary outcome was the Disabilities of the Arm, Shoulder and Hand (DASH) self-administered questionnaire. Secondary outcomes were: Work-DASH, Sport-DASH, Rowe score, recurrent instability and subsequent surgery. The following independent variables were considered: age, gender, dominance, generalized ligamentous hyperlaxity, duration of symptoms, age at first dislocation, number of dislocations, type of work, type of sport, sports activity level, capsule-labral injury pattern, SLAP lesion and number of anchors. Differences between groups for numerical variables were analyzed by use of the Student’s t -test or Mann–Whitney U -test. Fisher’s exact test was used for analysis of categorical variables. Significance was set at p  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-022-06969-6