Arthroscopic Bankart Repairs With and Without Remplissage in Recurrent Adolescent Anterior Shoulder Instability With Hill-Sachs Deformity

Comparison of Return to Sports and Competition After the Arthroscopic Bristow-Latarjet Procedure Versus Arthroscopic Bankart Repair in Adolescents With Recurrent Anterior Shoulder Instability

BACKGROUND

The use of isolated soft tissue repair versus bone block stabilization for the treatment of recurrent anterior shoulder instability in adolescents has no scientific evidence.

PURPOSE

To compare the clinical outcomes of adolescent patients who underwent isolated arthroscopic Bankart (iB) repair with those who underwent the arthroscopic Bristow-Latarjet procedure in addition to Bankart (BLB) repair.

STUDY DESIGN

Cohort study; Level of evidence, 3.

METHODS

A total of 60 shoulders in adolescents (aged 13-18 years) were reviewed with a minimum 2 years' follow-up: iB repair (n = 36) and arthroscopic Bankart repair with an additional Bristow-Latarjet procedure (BLB; n = 24). The characteristics of the patients in each group in terms of age at the first instability episode, age at surgery, hyperlaxity, participation in at-risk sports, and Instability Severity Index Score were comparable. The mean follow-up was longer in the iB group (7.7 vs 4.1 years, respectively), whereas the rates of patients engaged in competition and those with glenoid lesions were higher in the BLB group. The primary outcome measures were failure, defined as the recurrence of instability (clinical dislocation or subluxation), and return to sports. The mean follow-up was 6.2 years (range, 2-16 years).

RESULTS

At the last follow-up, the rate of recurrence was significantly higher in the iB group, with 22% (8/36) failures, than in the BLB group, with 8% (2/24) instability recurrences (P < .05). The rate of return to sports at the same level was significantly higher after the BLB repair than after iB repair (79% vs 47%, respectively; P < .001). No statistical difference was found in patient-reported outcome scores between treatment groups (P > .05). Although failures occurred early after the BLB repair, 88% of failures after iB repair occurred after 2 years. On multivariate analysis, adolescents in the iB group with >3 episodes of preoperative dislocation and shoulder hyperlaxity (external rotation >90°) had a 60% recurrence rate (P < .005).

CONCLUSION

Adolescent patients undergoing the BLB repair had a lower rate of recurrent instability and higher rates of return to sports and competition than those undergoing iB repair. Patients with shoulder hyperlaxity (external rotation >90°) and >3 dislocations had an unacceptable failure rate of 60% after iB repair.

Anterior Shoulder Stabilization Using Single Needle-Assisted Outside-In Remplissage Technique and Bankart Repair

Arthroscopic repair of Bankart injury is the first choice for the treatment of anterior shoulder instability. How to avoid recurring shoulder joint dislocation is a challenge, especially when combined with Hill-Sachs lesions. The arthroscopy technology allows for broader vision and less surgical trauma but is limited by a smaller operating space. At present, extensive descriptions about the surgical procedure of arthroscopic Bankart repair have been published. In this Technical Note, we describe the use of remplissage filling with Hill-Sachs lesion combined with Bankart repair to further improve the surgical accuracy and clinical efficacy. In particular, the application of single needle-assisted outside-in remplissage technique and Bankart repair is introduced in detail.

Dynamic Anterior Stabilization with Hill-Sachs Remplissage Can be Employed in Skeletally Immature Patients-Operative Technique

BACKGROUND

Numerous studies indicate that glenoid bony augmentation raises the risk of complications during and after surgery. On the other hand, repairing the labrum alone in cases with subcritical glenoid bone loss results in recurrent instability and persistent apprehension. As a result, recent advancements in shoulder instability surgery prioritize fully restoring the anterior shoulder restraint.

OPERATIVE TECHNIQUE

A novel method for treating recurrent anterior shoulder instability with subcritical glenoid bone loss and off-track Hill-Sachs lesion in skeletally immature patients is suggested: the use of dynamic anterior stabilization technique incorporating the long head of the biceps tendon onto the anterior glenoid rim via trans-subscapular transfer, in conjunction with Hill-Sachs remplissage. A practical, step-by-step surgical technique for a complete reconstruction of the anterior capsule-labral-ligamentous complex is provided. This involves utilizing a soft-tissue dynamic anterior sling, achieved through the trans-subscapularis transfer of the long head of the biceps tendon at the glenoid level. The procedure concludes with a Hill-Sachs remplissage to further prevent off-track events and alleviate apprehension.

CONCLUSION

Dynamic anterior stabilization is a suitable approach for addressing recurring anterior shoulder instability in skeletally immature patients who have subcritical glenoid bone loss and bipolar bone lesions.

Arthroscopic Bankart with remplissage results in lower rates of recurrent instability with similar range of motion compared to isolated arthroscopic Bankart for anterior glenohumeral instability: A systematic review and meta-analysis

PURPOSE

The addition of the remplissage procedure to an arthroscopic Bankart procedure has been shown to improve clinical outcomes, yet at the expense of potentially decreasing shoulder range of motion. The purpose of this study was to assess recurrent instability, range of motion, functional outcomes and rates of return to sport outcomes in patients undergoing an isolated arthroscopic Bankart repair compared to those undergoing arthroscopic Bankart repair in addition to the remplissage procedure.

METHODS

According to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines, a search was conducted using three databases (MEDLINE/OVID, EMBASE and PubMed). Retrieved studies were screened based on predefined inclusion and exclusion criteria for comparative studies. Data were extracted and meta-analysis performed using a random-effects model.

RESULTS

A total of 16 studies (13 level III studies, 2 level II studies and 1 level I) were included with a total of 507 and 704 patients in the Bankart plus remplissage and isolated Bankart repair groups, respectively. No studies reported glenoid bone loss of >20% with the least percentage of glenoid bone loss reported among studies being <1%. There was a significantly increased rate of recurrent dislocations (odds ratio [OR] = 4.22, 95% confidence interval [CI]: 2.380-7.48, p < 0.00001) and revision procedures (OR = 3.36, 95% CI: 1.52-7.41, p = 0.003) in the isolated Bankart repair group compared to the Bankart plus remplissage group. Additionally, there were no significant differences between groups in terms of external rotation at side (n.s.), in abduction (n.s.) or at forward flexion (n.s.) at final follow-up. Furthermore, return to preinjury level of sport favoured the Bankart plus remplissage group (OR = 0.54, 95% CI: 0.35-0.85, p = 0.007).

CONCLUSION

Patients undergoing arthroscopic Bankart plus remplissage for anterior shoulder instability have lower rates of recurrent instability, higher rates of return to sport, and no significant difference in range of motion at final follow-up when compared to an isolated arthroscopic Bankart repair. Further large, prospective studies are needed to further determine which patients and degree of bone loss would benefit most from augmentation with the remplissage procedure.

LEVEL OF EVIDENCE

Level III.

Arthroscopic Remplissage Combined With Bankart Repair Results in a Higher Rate of Return to Sport in Athletes Compared With Bankart Repair Alone or the Latarjet Procedure: A Systematic Review and Meta-analysis

BACKGROUND

Traumatic anterior shoulder instability affects athletes at a higher rate compared with the general population. In recent years, indications for arthroscopic remplissage, an adjunct procedure classically used to reduce the recurrence of anterior shoulder instability in patients with off-track Hill-Sachs lesions, have expanded.

PURPOSE

To investigate return-to-sport (RTS) rates, functional outcomes, and adverse events in athletes who underwent arthroscopic Bankart repair with remplissage compared with surgical alternatives such as Bankart repair alone or the Latarjet procedure.

STUDY DESIGN

Systematic review and meta-analysis; Level of evidence, 4.

METHODS

A literature review of the Embase, PubMed (MEDLINE), and Web of Science databases was conducted for articles published before May 22, 2022. For the systematic review, 16 of 457 studies that reported RTS rates at any time point after remplissage were deemed eligible for inclusion in quantitative analysis and 17 of 457 studies in qualitative analysis. For the meta-analysis, 8 of 457 studies reported RTS rates after remplissage compared with surgical alternatives including Bankart repair alone or the Latarjet procedure and were deemed eligible for inclusion.

RESULTS

In total, 538 athletes underwent remplissage and were included in the study. RTS at any level was achieved by 86% (395/457) of patients, and the odds of RTS at any level were significantly higher after remplissage compared with surgical alternatives (odds ratio [OR], 2.71 [95% CI, 1.14-6.43]; P = .02). The odds of RTS at a previous or higher level were also significantly higher after remplissage compared with surgical alternatives (OR, 2.07 [95% CI, 1.29-3.31]; P = .002). The mean Rowe score increased significantly from 43.9 ± 7.77 preoperatively (n = 173) to 92.2 ± 4.02 after remplissage (n = 397) (P < .001), but there was no significant difference in Rowe scores between remplissage and surgical alternatives (P = .54). After remplissage, the recurrence rate was 5.0% for athletes (n = 220) and 7.3% for all patients (n = 634), with a mean time to recurrence of 24.0 ± 12.5 months. Reoperations occurred in 3.6% of athletes (n = 110) and 4.1% of all patients (n = 445). Recurrence and reoperations were significantly less likely after remplissage compared with surgical alternatives (OR, 0.18 [95% CI, 0.08-0.39]; P < .001 and OR, 0.17 [95% CI, 0.06-0.50]; P = .001, respectively).

CONCLUSION

Arthroscopic Bankart repair with remplissage augmentation significantly improved RTS rates among athletes, both at any level and at previous levels of play. Additionally, remplissage appeared to significantly decrease recurrence and reoperation rates compared with surgical alternatives such as Bankart repair alone or the Latarjet procedure.

Pediatric and Adolescent Shoulder Instability

PURPOSE OF REVIEW

Traumatic and atraumatic shoulder instability is common in pediatric and adolescent patients. It is well-established that young patients with anterior shoulder dislocation are at high risk of recurrent instability. This review assesses the current literature pertaining to management of both anterior instability and MDI in the pediatric and adolescent populations.

RECENT FINDINGS

Current research suggests that pediatric and adolescent patients with shoulder instability have excellent outcomes following arthroscopic Bankart repair; however, higher rates of recurrent instability requiring revision surgical management have been identified in patients with more than one dislocation episode pre-operatively, those with Hill-Sachs lesions and those under age 16. The addition of the remplissage procedure to an arthroscopic Bankart repair may be useful in preventing recurrent instability for patients with large Hill-Sachs lesions. Open procedures with bony glenoid augmentation may be indicated in patients with significant glenoid bone loss, or those who have failed primary surgical management, with promising outcomes reported following the Latarjet coracoid process transfer procedure in the adolescent population. Pediatric and adolescent patients with hyperlaxity, and those participating in swimming or gymnastics are more likely to have multidirectional instability (MDI). Non-surgical management with physical therapy is the mainstay of treatment for MDI with positive outcomes reported overall. In young patients with MDI who continue to have symptoms of instability and pain that effects daily activities or sports despite an adequate and appropriate course of rehabilitation, surgical management with capsulorrhaphy may be considered, with promising outcomes reported for both open and arthroscopic techniques. Attentive selection of timing and surgical procedure for pediatric and adolescent patients with anterior shoulder instability may help to prevent recurrent instability following shoulder stabilization. Although most pediatric and adolescent patients with MDI do well following non-surgical management alone, those that fail conservative management have good outcomes following arthroscopic or open capsulorrhaphy.

Return to Sport After Arthroscopic Bankart Repair With Remplissage: A Systematic Review

PURPOSE

To determine the return-to-sport rate following arthroscopic Bankart repair with remplissage (ABR), including overall rate of return to sport, rate of return to preinjury level of sport, and the rate of return for specific subgroups such as contact or throwing athletes.

METHODS

EMBASE, PubMed, and MEDLINE were searched from database inception until February 2022. Studies were screened by 2 reviewers independently and in duplicate for data regarding rates of return to sport following ABR. Data on return to sport and functional outcomes were recorded. Data are presented in a descriptive fashion.

RESULTS

Overall, 20 studies were included with a total of 736 patients (738 shoulders) who underwent ABR. These patients had a mean age of 28 years (range 14-72 years) and were 83% male. Mean follow-up time after surgery was 45 months (range 12-127 months). The rate of return to any level of sport ranged from 60% to 100%, whereas the rate of return to the preinjury level ranged from 63% to 100%. When we excluded those who underwent ABR as a revision procedure, the rate of return to any level of sport was 68% to 100%. Lastly, the return to sport rates for contact or collision athletes ranged from 80% to 100%, whereas for overhead or throwing athletes it was 46% to 79%. The rate of recurrence of instability postoperatively ranged from 0% to 20% in included studies.

CONCLUSIONS

For athletes with anterior shoulder instability, ABR led to a high rate of return to sport along with a low rate of recurrence of instability. Although most athletes are able to return to the same level of sport, certain groups such as throwing athletes may face greater difficulty.

LEVEL OF EVIDENCE

Level IV, systematic review of Level III and IV studies.

Arthroscopic Bankart Repair for Adolescent Anterior Shoulder Instability: Clinical and Imaging Predictors of Revision Surgery and Recurrent Subjective Instability

BACKGROUND

Multiple clinical and radiologic risk factors for recurrent instability after arthroscopic Bankart repair have been described. Humeral bone loss has gained more recent attention, particularly with respect to "off-track" lesions and increased rates of recurrent instability and revision surgery.

PURPOSE

To evaluate clinical and radiologic predictors of failure after arthroscopic Bankart repair in adolescents.

STUDY DESIGN

Case series; Level of evidence, 4.

METHODS

A single-institution retrospective study was performed in patients <19 years of age treated with arthroscopic Bankart repair from 2011 to 2017. Magnetic resonance imaging measurements of glenoid and humeral bone loss, the glenoid track, and the presence of off-track Hill-Sachs (HS) lesions were assessed. All patients had a minimum follow-up of 24 months and completed patient-reported outcome scores. Failure was defined as revision surgery or postoperative subjective instability.

RESULTS

A total of 59 patients (46 male, 13 female) with a median age of 16 years (range, 12-18 years) were included. Ten patients (17%) had revision surgery and 8 patients (14%) had subjective instability without revision surgery. No clinical or radiologic factors were significantly different between the failure cohort and the nonfailure cohort. Four patients (7%) measured off-track, and 2 of these patients experienced failure. A total of 38 patients (64%) were identified to have an HS defect. Subgroup analysis of these patients identified a greater HS interval (HSI) in patients who underwent revision surgery as compared with those patients who did not have revision surgery. Among patients with GT ratio ≥15 mm, there was a 50% rate of revision surgery. The Pediatric/Adolescent Shoulder Survey (PASS) and Single Assessment Numeric Evaluation (SANE) scores at the final follow-up were not significantly different among patients with or without revision surgery. However, those with subjective instability who had not undergone revision surgery had significantly lower PASS and SANE scores as compared with the remainder of the cohort.

CONCLUSION

Of the adolescents in this cohort, 31% either had revision surgery (17%) or reported subjective feelings of instability (14%) after arthroscopic Bankart repair. Off-track instability was identified in 7% of the cohort but was not predictive of failure. Among the subgroup of patients with an HS defect, those who underwent revision surgery had a significantly larger HSI.

Remplissage in addition to arthroscopic Bankart repair for shoulder instability with on-track Hill-Sachs lesions reduces residual apprehension without external rotation limitation

PURPOSE

To evaluate the role of remplissage as an adjunct to Bankart repair in patients with recurrent anterior shoulder dislocation combined with on-track Hill-Sachs lesion.

METHODS

Arthroscopic Bankart repair with remplissage data (December 2018-2020) were collected (BR group). Inclusion criteria were (1) recurrent anterior shoulder dislocation, (2) on-track Hill-Sachs lesion, (3) minimal/subcritical glenoid bone loss (<17%), and (4) postoperative follow-up >1 year. Exclusion criteria were (1) revision surgery, (2) first dislocation with acute glenoid rim fracture, and (3) combined with other surgery. The control group was identified in Bankart repair-only cohort (B group). All patients were evaluated preoperatively, and at 3 weeks, 6 weeks, 3 months, 6 months, and then annually postoperatively. Visual analogue scale for pain, Self-Assessment Numerical Evaluation, American Shoulder and Elbow Surgeons Shoulder score, ROWE, and Western Ontario Shoulder Instability were evaluated at preoperative and final follow-up. Residual apprehension experience and external rotation deficit were evaluated. Patients, who were followed-up for more than 1 year, were asked how often they experienced any subjective apprehension in 4 grades (1: always, 2: frequently, 3: occasionally, 4: never). Patients who had a history of recurrent dislocation or revision surgery were investigated.

RESULTS

In total, 53 patients (B, 28; BR, 25) were included. At final follow-up, both groups showed improvement in 5 clinical scores postsurgery (P < .001). The BR group showed greater ROWE scores than the B group (B: 75.2 ± 13.6, BR: 84.4 ± 10.8; P = .009). Residual apprehension patient ratio (B: 71.4% [20/28], BR: 32% [8/25]; P = .004) and the mean subjective apprehension grade (B: 3.1 ± 0.6, BR: 3.6 ± 0.6; P = .005) showed statistically significant difference, whereas no patients in either group experienced external rotation deficit (B: 14.8 ± 12.9°, BR: 18.0 ± 15.2°, P = .420). Only 1 patient in the B group had not responded to surgery, with dislocation recurrence (P = .340).

CONCLUSIONS

Remplissage with arthroscopic Bankart repair in on-track Hill-Sachs lesion has a role in reducing residual apprehension without external rotation limitation.

LEVEL OF EVIDENCE

Level III, retrospective comparative therapeutic trial.

Editorial Commentary: Free Bone Block With Remplissage Provides Less Translation Than Free Bone Block Alone in Shoulder Instability Patients With Bipolar Bone Loss

It would stand to reason that, in shoulder instability patients with bipolar bone loss, the combination of a bone block procedure and a remplissage procedure would provide better results than each one alone. Why would this be the case? When performing these procedures in the lateral decubitus position for patients with critical bipolar bone loss, the humeral head is anteriorly and inferiorly subluxed. This is most likely due to the incompetent restraints when in traction. A bone block procedure alone doesn't necessarily reduce the glenohumeral center of rotation; rather, it increases the "jump distance," making it more difficult for the humerus to dislocate over the bone block. However, the remplissage procedure not only makes the Hill-Sachs lesion extra-articular and prevents the defect from levering out the humerus, but also seems to pull the humeral head posteriorly centering it in the glenoid. This provides a posterior tether to the humeral head while increasing the jump distance over the bone block even further. In the future, one can anticipate a significant increase in remplissage-augmented bone block procedures in patients with bipolar bone loss.

Remplissage for Anterior Shoulder Instability: History, Indications, and Outcomes

Remplissage is a nonanatomic capsulotenodesis of the infraspinatus tendon used to fill engaging or "off-track" Hill-Sachs lesions in patients at high risk of recurrent instability with isolated Bankart repair. Indications for remplissage are expanding, as the importance of subcritical bone loss and the glenoid track on patient outcomes and recurrence rates continues to be investigated. Remplissage is also suggested in patients at high risk of recurrent instability following isolated anterior labral repair, such as collision and contact athletes with Hill-Sachs lesions that have not reached the threshold of "off track." Multiple arthroscopic remplissage techniques exist including, more recently, knotless techniques.

How to Assess Shoulder Functionality: A Systematic Review of Existing Validated Outcome Measures

The objective of this review was to compile validated functional shoulder assessment tools and analyse the methodological quality of their validations. Secondarily, we aimed to provide a comparison of the tools, including parameter descriptions, indications/applications, languages and operating instructions, to choose the most suitable for future clinical and research approaches. A systematic review (PRISMA) was conducted using: PubMed, WoS Scopus, CINHAL, Dialnet and reference lists until 2020. The main criteria for inclusion were that papers were original studies of validated tools or validation studies. Pre-established tables showed tools, validations, items/components, etc. The QUADAS-2 and COSMIN-RB were used to assess the methodological quality of validations. Ultimately, 85 studies were selected, 32 tools and 111 validations. Risk of bias scored lower than applicability, and patient selection got the best scores (QUADAS-2). Internal consistency had the highest quality and PROMs development the lowest (COSMIN-RB). Responsiveness was the most analysed metric property. Modified UCLA and SST obtained the highest quality in shoulder instability surgery, and SPADI in pain. The most approached topic was activities of daily living (81%). We compiled 32 validated functional shoulder assessment tools, and conducted an analysis of the methodological quality of 111 validations associated with them. Modified UCLA and SST showed the highest methodological quality in instability surgery and SPADI in pain.

Is Revision Bankart Repair with Remplissage a Viable Option for Failed Bankart Repair in Non-contact Sports Person Aiming to Return to Sports?

PURPOSE

Failure of a well-executed Bankart repair in non-contact athletes is difficult to predict and its management is a lesser investigated area with uncertain outcome in terms of return to sports (RTS). This study analyses effectiveness of revision Bankart repair with remplissage for failed Bankart repair in non-contact athletes, focusing on time and level of RTS.

MATERIALS AND METHODS

Fifty-five consecutive non-contact athletes with evidence of instability after primary arthroscopic Bankart repair having glenoid loss < 25% and off-track Hill-Sachs lesion were included in the study according to algorithm mentioned. All cases underwent revision arthroscopic Bankart repair with remplissage and followed-up for 24 months. Rowe, UCLA, WOSI and Quick-DASH scores were recorded preoperative and at 24 months. RTS was allowed after unilateral seated shot-put test.

RESULTS

Out of 55 cases, 6 were excluded because of poor tissue quality, 7 were lost to follow-up. Forty-two cases with a mean age of 28.2 ± 5.2 years were included. Mean duration between primary surgery and failure was 7.3 ± 1.4 months with a mean 1.9 redislocations. The mean Rowe, WOSI, UCLA, Quick-DASH scores improved from 37 to 89, 39.3 to 83.7%, 18.4 to 30.5, 45.3 to 18.7 at 24 months. Thirty-five cases could RTS in a mean time 15.4 ± 1.4 months. Out of seven cases who could not RTS, four had instability, one had pain and two voluntarily quit sports.

CONCLUSION

Revision Bankart repair with remplissage is a feasible option for failed primary Bankart repair in non-contact athletes who have glenoid bone loss < 25% with off-track Hill-Sachs.

LEVEL OF EVIDENCE

Level IV.

Editorial Commentary: Anterior Shoulder Instability in Adolescent Athletes: "Slaying the Hydra" Is a Subtle Art

Anterior shoulder instability in adolescent athletes can be cumbersome to identify and treat. An algorithm is to divide the patients into primary and revision cases then to further subdivide patients who have glenoid bone loss <20% and/or an engaging or off-track Hill-Sachs lesion. A bipolar lesion with either of these conditions is an indication for a bone block open Laterjet procedure. In the revision setting, the threshold for Laterjet is lower. Soft-tissue lesions are indications for a Bankart or labral repair. With the proper attention given to concomitant labral, biceps, and rotator cuff pathology, Hill-Sachs lesions less than 1 cm are left alone. However, in situations where lesions are deeper than 1 cm, an arthroscopic remplissage is indicated. An optimal repair aims to create a labral bumper and a bony bed for the soft tissue to heal, whereas inferior quality of soft tissue indicates a segmental labral reconstruction. Reconstructing large capsular rents with torn ligaments with allograft anterior capsular repair is also needed for proper biomechanical restoration.

Remplissage for anterior shoulder instability with Hill-Sachs lesions: a systematic review and meta-analysis

BACKGROUND

The purpose of this study was to perform a systematic review and meta-analysis of the current evidence in the literature to determine how arthroscopic Bankart repair (ABR) and remplissage compare with ABR alone and the open Latarjet procedure for anterior shoulder instability in patients with concomitant Hill-Sachs lesions.

METHODS

A literature search was performed based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) guidelines. Studies comparing ABR and remplissage vs. ABR alone or the Latarjet procedure for anterior shoulder instability in patients with Hill-Sachs lesions were included. Clinical outcomes were compared, with all statistical analysis performed using Review Manager (version 5.3). P < .05 was considered statistically significant.

RESULTS

Twelve clinical trials were included. There was a significant difference between ABR plus remplissage and ABR alone in total recurrence rate (3.2% vs. 16.8%, P < .05) but not the rate of revision due to recurrence (1.7% vs. 8.5%, P = .06). There was no significant difference between the Latarjet procedure and ABR plus remplissage in total recurrence rate (7.0% vs. 9.8%, P = .39), total revision rate (3.7% vs. 5.7%, P = .41), and rate of revision due to recurrence (1.6% vs. 2.1%, P = .79). There was a significantly lower rate of complications with ABR and remplissage compared with the Latarjet procedure (0.5% vs. 8.6%, P = .003).

CONCLUSION

In patients with Hill-Sachs lesions and subcritical glenoid bone loss, ABR with remplissage resulted in lower rates of recurrent instability compared with ABR alone while resulting in similar recurrence rates, as well as similar patient-reported outcomes, with lower morbidity and fewer complications, compared with the Latarjet procedure.

LEVEL OF EVIDENCE

Level III; Systematic Review.

Management of Recurrent Anterior Shoulder Instability After Surgical Stabilization in Children and Adolescents

PURPOSE OF REVIEW

Recurrent shoulder instability after stabilization is common in pediatric and adolescent athletes. The purpose of this review is to understand the risk factors that lead to failure of primary surgery and management principles in the setting of recurrent instability following surgical stabilization.

RECENT FINDINGS

Rates of recurrence after primary and revision surgical stabilization remain higher than desirable. Risk factors for failure in include glenoid and humeral bone loss, capsular or ligamentous laxity, and young age though few studies have focused specifically on the adolescent population. Arthroscopic, open, and bone block techniques have been described in this population similar to adults. Failure after a primary shoulder stabilization remains a common problem in adolescents in no small part because a high proportion of these athletes return to high levels of activity. A thorough understanding of the index procedure and patient-specific risk factors for failure are key to successful planning of revision surgery. The current literature does not allow for firm treatment recommendations in individual pediatric or adolescent athletes, but the guiding principles are similar to those in adults. Specifically, all bony and soft tissue pathology should be identified and assessed, with an understanding that simply repeating the steps of the index procedure typically results in poor outcomes, and often an "escalation" of surgical complexity is required at the time of revision. When appropriately indicated, arthroscopic or open soft tissue procedures and Latarjet coracoid transfer can be safely and successfully implemented for revision shoulder stabilization in young athletes.

Editorial Commentary: Bankart Lesion in an Adolescent Athlete? Not So Fast

With the desire to remain athletically competitive, many adolescent athletes with shoulder instability are turning to early surgical invention. But is surgical repair always necessary and are all Bankart lesions identical? Using 3-dimensional, frequency-selective, fat-suppressed gradient recalled echo magnetic resonance imaging (MRI) scans, the authors noted that the anterior glenoid rim secondary ossification center peaks at age 16 years in male patients but is only fused in 70% of male patients at age 17 years. Therefore, relying on MRI alone to guide surgical treatment may result in procedures that may otherwise be avoided because normal glenoid development may be mistaken for a bony Bankart lesion. A thorough history and physical examination are still essential in adolescents with shoulder injuries. Relying on MRI alone to guide surgical treatment may result in procedures that may otherwise be avoided.

A retrospective cohort analysis of arthroscopic Bankart repair with or without remplissage in patients with off-track Hill-Sachs lesion evaluated for functional outcomes, recurrent instability, and range of motion

BACKGROUND

Lone Bankart repair is associated with high rates of recurrence, especially in off-track Hill-Sachs (HS) lesion. The objective of the study was to assess the impact of remplissage in off-track HS lesion influencing the rate of redislocation and range of motion (ROM) of the shoulder.

MATERIAL AND METHOD

We retrospectively reviewed 136 patients for arthroscopic Bankart repair without remplissage (group 1, n = 77) or with remplissage (group 2, n =59) for recurrent anterior dislocation of the shoulder with glenoid bone loss of <25%. Further subgroups of on- and off-track HS lesion were based on computed tomographic assessment. At a minimum follow-up of 2 years; patients were evaluated for functional scores (Rowe, Constant-Murley, Western Ontario Shoulder Instability Index), redislocations, and ROM.

RESULTS

At a mean follow-up of 54 and 44 months in group 1 and 2, respectively, there was no difference in postoperative functional scores. There were significantly more dislocations in patients with Bankart repair with off-track lesion than in patients with Bankart repair with on-track lesion (P = .02). There were significantly fewer redislocations in patients with off-track lesion who underwent Bankart repair and remplissage than in those who did not undergo remplissage (P = .0007). Compared with group 1 patients, those in group 2 revealed a statistically significant loss of ROM.

CONCLUSIONS

Although a nonremplissaged off-track HS lesion remains an important risk factor for recurrent instability, remplissage also results in significant loss of shoulder ROM compared with those who do not undergo remplissage.

Risk of Recurrent Instability After Arthroscopic Stabilization for Shoulder Instability in Adolescent Patients

Background:

With the rise of adolescent sports participation, there has been a concomitant increase in not only the incidence but also the treatment of traumatic shoulder instability. Yet, there have been limited data on the failure rates of arthroscopic shoulder stabilization in this population as well as the potential risk factors.

Purpose/Hypothesis:

The purpose of this study was to determine the failure rates of adolescent patients who underwent arthroscopic labral reconstruction for traumatic anterior shoulder instability. We hypothesized that adolescent failure rates would be significantly higher than what has been reported in the adult population with regard to recurrent instability after surgical intervention.

Study Design:

Case series; Level of evidence, 4.

Methods:

This was a retrospective cohort study performed at a single center. Inclusion criteria consisted of all adolescent-aged patients identified who (1) had traumatic anterior shoulder instability, (2) had radiographic findings consistent with anteroinferior capsulolabral injury, and (3) underwent arthroscopic shoulder stabilization. Patient demographics, clinical presentation, imaging, intraoperative findings, and postoperative outcomes were analyzed.

Results:

A total of 36 patients were identified, with a mean ± SD follow-up of 35.6 ± 13.8 months. The mean patient age at the time of the index procedure was 16.03 ± 1.67 years. All patients underwent arthroscopic shoulder stabilization consisting of arthroscopic Bankart repair. Twelve patients (33.3%) reported either recurrent instability or apprehension, of whom 9 (25.0%) developed recurrent dislocation/subluxation at a mean of 20.67 months postoperatively (range, 16-51 months). No single sport was associated with a statistically significant increased risk of redislocation, although a trend was seen toward those with postoperative participation in high-risk sporting activity. Patients who redislocated their shoulders had a higher frequency of a Hill-Sachs lesion on magnetic resonance imaging (89%) compared with those who did not (52%, P = .048). History of multiple preoperative dislocations, presence of bony Bankart pathology, off-track lesions, and number of anchors utilized were not associated with postoperative dislocation/subluxation.

Conclusion:

This study demonstrates that adolescent patients treated with arthroscopic shoulder stabilization have a high rate of recurrent instability. The adolescent population may benefit from other stabilization strategies and/or activity modification. Further studies are necessary to determine the reasons for the high rate of redislocation and to develop strategies for prevention.