Shoulder evaluation with isokinetic strength testing after arthroscopic rotator cuff repairs

Area of Science:

• Orthopedic Surgery
• Sports Medicine
• Biomechanical Analysis

Background:

• Rotator cuff tears are common injuries affecting shoulder function.
• Arthroscopic repair techniques aim to restore strength and function.
• Comparing different repair methods is crucial for optimizing patient outcomes.

Purpose of the Study:

• To evaluate the recovery of shoulder strength in patients with rotator cuff tears.
• To compare two arthroscopic rotator cuff repair techniques: side-to-side repair and tendon-to-bone fixation.
• To assess functional recovery using isokinetic testing and the Constant score.

Main Methods:

• A prospective randomized study involving patients with full-thickness supraspinatus tears.
• Two groups: Group 1 (side-to-side repair) and Group 2 (tendon-to-bone fixation).
• Isokinetic strength testing and Constant score evaluation preoperatively and at 3, 6, and 12 months postoperatively.

Main Results:

• Both groups showed improvement in Constant scores and strength postoperatively.
• Group 2 (tendon-to-bone) demonstrated significantly higher Constant scores and better strength recovery compared to Group 1 (side-to-side).
• Statistical analysis confirmed significant differences (p < .05) in outcomes between the two repair methods.

Conclusions:

• Tendon-to-bone repair is superior to side-to-side repair for rotator cuff tears in terms of strength recovery and functional outcomes.
• The findings support tendon-to-bone fixation as a preferred arthroscopic technique.
• Further research may explore long-term outcomes and patient-reported satisfaction.