Journal List > J Korean Orthop Assoc > v.44(3) > 1012913

Choi, Park, and Shin: The Outcome after Arthroscopic Massive Rotator Cuff Repair according to the Repair Technique - Comparison of Tendon to Tendon Repair versus Tendon to Tendon and Bone to Tendon Repair -

Abstract

Purpose

We evaluated the functional outcomes after arthroscopic repair of a massive tear between the tendon to tendon (TT) repair technique and the tendon to tendon and bone to tendon (TTBT) repair technique.

Materials and Methods

From March, 2002 to January, 2007, 43 cases of arthroscopic massive rotator cuff repair were evaluated. 12 were repaired by TT repair and 31 were repaired by TTBT repair. At 1year follow-up, the functional results were assessed by the KSS, ASES, UCLA and Constant scoring system and the P-VAS (Pain visual analogue score). Post-operative integrity was evaluated by an ultrasound examination 6 months after the operation.

Results

In TTBT repair group, the improvement of the KSS, ASES, UCLA and Constant scores were 15.4 (50.5 to 65.9), 28 (55.6 to 83.6), 9.6 (21.1 to 30.7) and 11 (40.7 to 51.7), respectively. The pain improvement was 2.7 (VAS, 3.8 to 1.1) and the retear rate was 62%. In the TT repair group, the functional improvements were 29.2 (33.7 to 62.9), 42.7 (38.6 to 81.3), 13.4 (16.4 to 29.8) and 19.7 (29.6 to 49.3), respectively. The pain improvement was 4.2 (VAS, 5.5 to 1.3) and the retear rate was 75%.

Conclusion

Arthroscopic repair of a massive tear could afford good functional results and pain relief in spite of a high retear rate. The TT repair technique was comparable to the TTBT repair technique.

Figures and Tables

Fig. 1
Post-operative findings after arthroscopic massive rotator cuff repair. (A) Tight repair without gap formation after tendon to tendon and bone to tendon repair. (B) Margin convergence technique with partial tendon to tendon repair which remains gap at the glenohumeral insertion portion.
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Fig. 2
Supraspinatus long axis view in ultrasonographic evaluation for massive tear. (A) Preoperative USG reveals rotator cuff massive tear. (B) Postoperative 6 months follow up USG of tendon to tendon repair revealed reteared rotator cuff. (C) Preoperative USG reveals rotator cuff massive tear. (D) Postoperative 6 months follow up USG of tendon to tendon repair revealed remained gap. Arrow in figure A, B, C: stump of rotator cuff tear. Arrow in figure D: remained gap.
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Fig. 3
Functional evaluation after rotator cuff repair. (A) Korean shoulder society (KSS) scoring system. (B) American Shoulder and Elbow Society (ASES) scoring system. (C) University of California Los Angeles (UCLA) scoring system. (D) Constant scoring system. TT: tendon to tendon repair, TTBT: tendon to tendon repair and bone to tendon repair.
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Fig. 4
Patterns of pain improvement after rotator cuff repair by VAS (visual analog scale).
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Table 1
Rotator Cuff Tear - DCMC MRI Index Evaluation
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Maximum score: 17.

Table 2
Functional Results Comparison between Intact Group and Re-tear Group
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