Dataset Information

Arthroscopic In Situ Superior Capsular Reconstruction Using the Long Head of the Biceps Tendon.

ABSTRACT: Large to massive rotator cuff tears are challenging to repair, although there are several options for dealing with them. Among them, superior capsular reconstruction was recently introduced as an effective procedure for retaining the static stability of the shoulder joint and preventing the progression to cuff tear arthropathy. The purpose of this technique-based article is to describe a surgical option, called arthroscopic in situ superior capsular reconstruction, for large to massive rotator cuff tears using the long head of the biceps tendon.

SUBMITTER: Kim YS

PROVIDER: S-EPMC5850885 | biostudies-other | 2018 Feb

REPOSITORIES: biostudies-other

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Arthroscopic In Situ Superior Capsular Reconstruction Using the Long Head of the Biceps Tendon.

Kim Yang-Soo YS Lee Hyo-Jin HJ Park In I Sung Gwang Young GY Kim Dong-Jin DJ Kim Jong-Ho JH

Arthroscopy techniques 20180108 2

Large to massive rotator cuff tears are challenging to repair, although there are several options for dealing with them. Among them, superior capsular reconstruction was recently introduced as an effective procedure for retaining the static stability of the shoulder joint and preventing the progression to cuff tear arthropathy. The purpose of this technique-based article is to describe a surgical option, called arthroscopic in situ superior capsular reconstruction, for large to massive rotator c ...[more]

PMID: 29552475

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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.

Project description:Superior capsular reconstruction is a common treatment option for irreparable rotator cuffs. Arthroscopic surgery procedures mostly use anchor-based methods. However, difficulty in preoperative graft measurement and intra-articular knot-tying present an obstacle for most sport surgeons. Complementing the known advantages of the transosseous technique in rotator cuff repair, a feasible, economical arthroscopic transosseous superior capsular reconstruction technique is described in this Technical Note. This procedure results not only in similar fixation strength and stability and greater bone stock but also in greater cost effectiveness due to using fewer anchors. This Technical Note describes the procedure in detail and compares it with conventional procedures. Technique Video Video 1 Patients undergo surgery in the beach-chair position. A standard posterior portal is created for arthroscopic visualization. Intra-articular management, including debridement or labral reattachment, is performed via the anterior portal. Then, the scope is shifted to the subacromial space from the posterior portal, and bursectomy is undertaken via the anterior portal. The irreparable cuff tear edge is debrided to approach the medial aspect of the superior labrum. Two inlets are created: one anterior inlet near the biceps groove and one 2-cm inlet posterior to the anterior tunnel inlet. The ETHIBOND 5-0 suture needle tip is visible through the posterior portal and is grasped using a curved needle holder introduced via the lateral portal. The needle tip is introduced into the medial row inlet with a needle holder, and the lateral humeral cortex is pierced. The scope is shifted to the subdeltoid space for retrieval of the needle tip using the curved needle holder through the lateral portal. The ETHIBOND suture is left in the tunnel for shuttle purposes. Next, 3.7-mm all-suture anchors are fixed at the superior glenoid. Single-limb sutures are retrieved from 2 anchors outside via the lateral portal, and the proximal allograft edge is pierced. The graft is delivered along two sutures of glenoid-fixed anchors using a knot pusher. Glenoid graft fixation is achieved by tying knots at each all-suture anchor. After corner knots are tied, an extra knot is tied at the center of the proximal graft edge using each of the corner sutures. Suture tunnel entry points are located using the scope to determine the following piercing site on the graft. The graft undergoes intra-articular piercing, and tunnel sutures are relayed on the proximal and distal row using a tissue penetrator and shuttle suture manipulation. Four sutures are passed through 2 suture tunnels, one of which crosses 2 tunnels in the proximal region to form a medial row of footprint sutures. The shoulder is placed in a neutral position to lessen suture tension. The lateral row is tied first on the lateral cortex, simultaneously applying tension to suture tunnel exits and the medial row. The superior limb of the posterior cross-link suture and the inferior limb of the anterior cross-link suture are retrieved and tied together. The inferior limb of the posterior cross-link suture and superior limb of the anterior cross-link suture are tied to finish the cross-link construction. The final “hourglass” shape construction is achieved after tuberosity fixation.

Dataset Information

Arthroscopic In Situ Superior Capsular Reconstruction Using the Long Head of the Biceps Tendon.

Publications

Arthroscopic In Situ Superior Capsular Reconstruction Using the Long Head of the Biceps Tendon.

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