Dataset Information

Adhesion of the Long Head of the Biceps Tendon: A Case Series.

ABSTRACT:

Purpose

To present the clinical and imaging findings and results of treatment in patients with intra-articular long head of the biceps tendon (LHBT) adhesion to the undersurface of the rotator cuff found incidentally during shoulder arthroscopy.

Methods

Patients with intra-articular LHBT adhesion to the undersurface of the rotator cuff found incidentally during arthroscopy were included with a minimal 2-year follow-up. Demographic data, images, and physical examinations were recorded. LHBT release, tenotomy, or tenodesis were performed according to the patient's age and surgeon's preference.

Results

Twelve patients were included in the study. All of them presented with chronic anterior shoulder pain and positive Speed and O'Brien tests. The average age was 46.8 ± 17 years (range 20-79 years) and the pain sustained from 6 to 96 (average 25.5 ± 28.6) months. Before the operation, 6 patients had a positive Jobe's test, 1 had a positive lift-off test, and all had positive O'Brien and Speed tests and tenderness over the LHBT. Three release, 4 tenotomy, and 5 LHBT tenodesis were done in addition to other procedures if needed. All range of motion except external rotation, pain visual analog score, and functional outcome scores showed significant improvement at 6 months after surgery. There were no significant differences in range of motion and functional scores between 6 months and 12 months postoperatively. No difference was found in LHBT scores at 6 and 12 months after the operation. Magnetic resonance imaging revealed thickened coracohumeral ligament overlying the LHBT.

Conclusions

Patients who had intra-articular LHBT adhesion to the undersurface of the rotator cuff and underwent release of the adhesion around LHBT, tenotomy, or tenodesis all had good clinical outcomes. The lesion was observed in 2.2% of all shoulder arthroscopies. Although difficult to diagnose before surgery, surgeons should be aware of this unusual condition in patients with chronic and insidious anterior shoulder pain.

Level of evidence

Level IV, Therapeutic case series.

SUBMITTER: Chiu CH

PROVIDER: S-EPMC7879180 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Publications

Adhesion of the Long Head of the Biceps Tendon: A Case Series.

Chiu Chih-Hao CH Lin Yu-Ching YC Chen Poyu P Chao-Yu Chen Alvin A Chan Yi-Sheng YS Hsu Kuo-Yao KY Lädermann Alexandre A

Arthroscopy, sports medicine, and rehabilitation 20201224 1

<h4>Purpose</h4>To present the clinical and imaging findings and results of treatment in patients with intra-articular long head of the biceps tendon (LHBT) adhesion to the undersurface of the rotator cuff found incidentally during shoulder arthroscopy.<h4>Methods</h4>Patients with intra-articular LHBT adhesion to the undersurface of the rotator cuff found incidentally during arthroscopy were included with a minimal 2-year follow-up. Demographic data, images, and physical examinations were recor ...[more]

PMID: 33615251

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Project description:BackgroundFew studies have described the characteristics of a concealed intratendinous subscapularis tear (CIST), and there is a lack of research on the preoperative predictability of such lesions.PurposeTo describe the characteristics of a CIST as seen on magnetic resonance imaging (MRI) and intraoperatively and to develop a scoring system for predicting such lesions.Study designCase series; Level of evidence, 4.MethodsRetrospectively, we identified 43 patients with CISTs among 442 consecutive patients who had undergone rotator cuff repair from July 2014 to June 2016. Range of motion, visual analog scale results for pain and function, and patient-reported outcome scores were evaluated preoperatively and at 1 and 2 years postoperatively. CISTs were classified arthroscopically as small (<5 mm), medium (5-10 mm), and large (>10 mm). We performed repair (≥50%) or debridement (<50%) depending on the total subscapularis tendon tear size including the CIST. Preoperative MRI findings were analyzed by 2 observers and were correlated with the arthroscopic findings. A 10-point scoring system was developed based on characteristics during the physical examination (anterior tenderness, bear hug sign), MRI (biceps tendon displacement and subluxation, subscapularis signal change just lateral to the lesser tuberosity), and arthroscopic surgery (medial biceps tendon lesion, combined subscapularis tendon tear), with a cutoff value of ≥7 predicting a CIST. After the retrospective study, we prospectively enrolled 95 patients to validate the 10-point CIST scoring system.ResultsAll 43 patients diagnosed with a CIST during the retrospective study improved both range of motion and functional scores at 1 year postoperatively. The interrater agreement of the 2 observers was substantial for the evaluation of all parameters except for subscapularis tear classification, which was moderate. On arthroscopic surgery, 11 small, 19 medium, and 13 large CISTs were detected. The preliminary prospective study showed a sensitivity of 61.9%, specificity of 94.3%, positive predictive value of 89.0%, negative predictive value of 75.7%, and accuracy of 80.0% when the cutoff value was set at ≥7 on the CIST scoring system.ConclusionA CIST can be suspected using a combination of preoperative MRI and intra-articular diagnostic arthroscopic findings, but a definitive diagnosis requires an arthroscopic view. On the 10-point CIST scoring system, a score of ≥5 can be suggestive of a CIST, and a score of ≥7 is most likely to predict a CIST.

Project description:PurposeThe purpose of this study was to investigate the elongation of the biceps muscle tendon unit after rerouting of the long head of the biceps tendon without transection, with and without release of the transverse humeral ligament in a 3-dimensional model.MethodsA total of 60 sets of computed tomography images of shoulders were acquired, and a point-cloud model was generated after 3-dimensional reconstruction. Simulation of rerouting of the long head of the biceps tendon was performed by assuming that the long head of the biceps tendon travels to the center of the greater tuberosity from the supraglenoid tubercle and then back to the bicipital groove distally, with or without the release of the transverse humeral ligament. The elongation of the biceps muscle tendon unit by both manners was measured and correlated with age, height, weight, body mass index, gender, and hand dominance.ResultsThe mean length of the long head of the biceps tendon is 74.22 ± 3.06 mm, and the length is significantly longer, at 112.23 ± 4.92 mm (P = 0.0002) and 96.47 ± 2.58 mm (P = 0.0004). The absolute elongation of the biceps muscle tendon unit after rerouting of the long head of the biceps tendon, without or with transverse humeral ligament release, showed significant differences, which were 38.73 ± 3.03 mm and 22.28 ± 3.25 mm, respectively (P = 0.0008). No significant correlations were observed between the amount of the elongation and the subject's age, height, weight, or body mass index. No significant difference was observed in the amount of the elongation between differing gender and hand dominance.ConclusionsRerouting of the long head of the biceps tendon resulted in significant elongation of the biceps muscle tendon unit. Release of the transverse humeral ligament partially decreased this elongation.Clinical relevanceRerouting of the long head of the biceps tendon may lead to overtension of the biceps. If it is adopted in clinical use, transverse humeral ligament release is recommended.

Dataset Information

Adhesion of the Long Head of the Biceps Tendon: A Case Series.

Purpose

Methods

Results

Conclusions

Level of evidence

Publications

Adhesion of the Long Head of the Biceps Tendon: A Case Series.

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