Descriptive Epidemiology of the MOON Shoulder Instability Cohort

Kraeutler, Matthew J.; McCarty, Eric C.; Belk, John W.; Wolf, Brian R.; Hettrich, Carolyn M.; Ortiz, Shannon; Bravman, Jonathan T.; Baumgarten, Keith M.; Bishop, Julie Y.; Bollier, Matthew; Brophy, Robert H.; Carey, James L.; Carpenter, James E.; Cox, Charlie; Feeley, Brian T.; Grant, John A.; Jones, Grant L.; Kuhn, John E.; Kelly, John D.; Benjamin, C.; Marx, Robert G.; Miller, Bruce S.; Sennett, Brian J.; Smith, Matthew V.; Wright, Rick W.; Zhang, Alan L.

doi:10.1177/0363546518755752

Cited by 87 publications

(67 citation statements)

References 23 publications

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“…The MOON Shoulder Instability study is an institutional review board-approved, multicenter prospective cohort of patients undergoing operative treatment for shoulder instability. The epidemiology of the cohort has previously been described by Kraeutler et al 11 Patients were prospectively enrolled by 26 sports medicine or shoulder fellowship-trained surgeons in 9 private and academic groups across the United States. Baseline demographic characteristics, PRO scores, physical examination data, and preoperative imaging were collected.…”

Section: Methodsmentioning

confidence: 99%

“…Although male patients have been shown to constitute approximately 80% of patients undergoing surgery for shoulder instability, female patients still account for a significant number of surgical procedures owing to the high frequency of instability in the population. 11 The high rate of injury in active patients demonstrates the need for further understanding of sex-related differences in shoulder instability.…”

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confidence: 99%

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Sex-related differences in patients undergoing surgery for shoulder instability: a Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort study

Magnuson

Wolf

Cronin

et al. 2019

Journal of Shoulder and Elbow Surgery

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Hypothesis and background: Male sex has been identified as a risk factor for both primary shoulder dislocation and recurrent instability, and male patients more often undergo surgery for instability. Despite published discrepancies between sexes regarding the incidence and surgical rates of shoulder instability, there is little detail on the differences in presentation, mechanism of injury, and intraoperative findings. The purpose of this study was to explore these differences. Methods: Prospective baseline data from 1010 patients in the Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort were analyzed for sex-related differences using demographic characteristics, patient-reported outcomes, radiographic findings, intraoperative findings, and surgical procedures performed. Two-tailed t tests and c 2 tests were used to compare the continuous This study was approved by the Institutional Review Board at the University of Iowa (Department of Health & Human Services registration No. IRB00000099). y The MOON Shoulder Group Collaborators are as follows: Matthew J.

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Section: Methodsmentioning

confidence: 99%

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confidence: 99%

Sex-related differences in patients undergoing surgery for shoulder instability: a Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort study

Magnuson

Wolf

Cronin

et al. 2019

Journal of Shoulder and Elbow Surgery

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“…The authors found a 2:1 ratio of shoulder instability events during football compared with injuries during basketball. 22 RTP after shoulder instability has been evaluated in various high school, collegiate, and professional sports. Owens et al found that 45% of collegiate athletes who experienced a shoulder instability event missed greater than 10 days before returning to sport.…”

Section: Discussionmentioning

confidence: 99%

Return to play and performance after shoulder instability in National Basketball Association athletes

Okoroha

Patel

et al. 2020

Journal of Shoulder and Elbow Surgery

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“…Our research collaborative comprises 26 sports medicine or shoulder fellowship-trained surgeons from 10 academic and private groups throughout the United States, as previously described. 6,7,29 This prospective cohort study enrolled patients undergoing surgical treatment for shoulder instability. Baseline demographic data, patient-reported metrics, physician examination data, and surgical data were collected.…”

Section: Methodsmentioning

confidence: 99%

What Are the Effects of Remplissage on 6-Month Strength and Range of Motion After Arthroscopic Bankart Repair? A Multicenter Cohort Study

Frantz

Everhart

Cvetanovich

et al. 2020

Orthopaedic Journal of Sports Medicine

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Background: Patients who have undergone shoulder instability surgery are often allowed to return to sports, work, and high-level activity based largely on a time-based criterion of 6 months postoperatively. However, some believe that advancing activity after surgery should be dependent on the return of strength and range of motion (ROM). Hypothesis: There will be a significant loss of strength or ROM at 6 months after arthroscopic Bankart repair with remplissage compared with Bankart repair alone. Study Design: Cohort study; Level of evidence, 2. Methods: A total of 38 patients in a prospective multicenter study underwent arthroscopic Bankart repair with remplissage (33 males, 5 females; mean age, 27.0 ± 10.2 years; 82% with ≥2 dislocation events in the past year). Strength and ROM were assessed preoperatively and at 6 months after surgery. Results were compared with 104 matched patients who had undergone Bankart repair without remplissage, although all had radiographic evidence of a Hill-Sachs defect. Results: At 6 months, there were no patients in the remplissage group with anterior apprehension on physical examination. However, 26% had a ≥20° external rotation (ER) deficit with the elbow at the side, 42% had a ≥20° ER deficit with the elbow at 90° of abduction, and 5% had persistent weakness. Compared with matched patients who underwent only arthroscopic Bankart repair, the remplissage group had greater humeral bone loss and had a greater likelihood of a ≥20° ER deficit with the elbow at 90° of abduction ( P = .004). Risk factors for a ≥20° ER deficit with the elbow at 90° of abduction were preoperative stiffness in the same plane ( P = .02), while risk factors for a ≥20° ER deficit with the elbow at the side were increased number of inferior quadrant glenoid anchors ( P = .003), increased patient age ( P = .02), and preoperative side-to-side deficits in ER ( P = .04). The only risk factor for postoperative ER weakness was preoperative ER weakness ( P = .04), with no association with remplissage ( P = .26). Conclusion: Arthroscopic Bankart repair with remplissage did not result in significant strength deficits but increased the risk of ER stiffness in abduction compared with Bankart repair without remplissage at short-term follow-up.

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Descriptive Epidemiology of the MOON Shoulder Instability Cohort

Cited by 87 publications

References 23 publications

Sex-related differences in patients undergoing surgery for shoulder instability: a Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort study

Sex-related differences in patients undergoing surgery for shoulder instability: a Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability cohort study

Return to play and performance after shoulder instability in National Basketball Association athletes

What Are the Effects of Remplissage on 6-Month Strength and Range of Motion After Arthroscopic Bankart Repair? A Multicenter Cohort Study

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