Several biological augmentation procedures have recently been suggested to enhance tendon healing after Arthroscopic rotator cuff repair, such as marrow-stimulating technique with microfractures of the greater tuberosity. The purpose of this study was to introduce a new technique, "greenhouse technique", and to compare the clinical outcomes with microfracture combined with suture bridge technique.
Arthroscopic rotator cuff repair has a high rate of successful subjective and functional results. Although the rate of tendon healing is reported to be around 80% for small tears, it can decrease to about 30% for large and massive tears. Poor tissue quality of bone, tendons, and muscles can affect healing and functional recovery of the rotator cuff and has been advocated as a major cause of tendon nonhealing and/or retear. Several biological augmentation procedures have recently been suggested to enhance tendon healing after Arthroscopic rotator cuff repair, such as marrow-stimulating technique with microfractures of the greater tuberosity. The purpose of this study was to introduce a new technique, "greenhouse technique", and to compare the clinical outcomes with microfracture combined with suture bridge technique.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
48
First, the high-strength sutures were passed through the teared tendon, and then Crimson duvet procedure was performed on the footprint from the articular margin of the humeral head to the apex of the greater tubercle, followed by a lateral row anchor.
A three-line anchor suture method is used as in the greenhouse technique, except that the position is between the apex of the greater tubercle and the articular surface. After the rotator cuff is sutured, the bone bed beyond the suture point to the outer edge of the greater tubercle is opened with 2.0mm Kirschner wire every 5mm ( Crimson duvet), 1cm in depth, about 6 in total.
American Shoulder and Elbow Surgeons Shoulder (ASES) score
A patient-reported outcome uesed to assess the shoulder function,range 0-100, higher scores mean a better outcome
Time frame: 1 year postoperatively
American Shoulder and Elbow Surgeons Shoulder (ASES) score
A patient-reported outcome uesed to assess the shoulder function,range 0-100, higher scores mean a better outcome
Time frame: 2 years postoperatively
tendon integrity
MRI was used to assess the integrity of the repaired rotator cuff tendon
Time frame: 1 year postoperatively
Visual Analogue Scale(VAS)
A patient-reported outcome uesed to assess pain severityrange 0-10, higher scores mean a worse outcome
Time frame: 1 year postoperatively
Visual Analogue Scale(VAS)
A patient-reported outcome uesed to assess pain severityrange 0-10, higher scores mean a worse outcome
Time frame: 2 year postoperatively
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