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27. Clinical Outcomes After Anterior Shoulder Stabilization in Overhead Athletes: An Analysis of the MOON Shoulder Instability Consortium.

Author

Trinh, Thai Q., Naimark, Micah B., Bedi, Asheesh, Carpenter, James E., Robbins, Christopher B., Grant, John A., Miller, Bruce S., Ortiz, Shannon, Bollier, Matthew J., Kuhn, John E., Cox, Charlie L., Ma, C. Benjamin, Feeley, Brain T., Zhang, Alan L., McCarty, Eric C., Bravman, Jonathan T., Bishop, Julie Y., Jones, Grant L., Brophy, Robert H., and Wright, Rick W.

Subjects
ARTHROSCOPY, ATHLETIC ability, BASEBALL, CHI-squared test, CRICKET (Sport), FISHER exact test, FOOTBALL, JOINT hypermobility, RANGE of motion of joints, CASE studies, QUESTIONNAIRES, REGRESSION analysis, REOPERATION, SHOULDER injuries, SPORTS injuries, STATISTICS, SURGICAL complications, OPERATIVE surgery, T-test (Statistics), DISEASE relapse, SPORTS participation, TREATMENT effectiveness, THROWING (Sports), DATA analysis software, DESCRIPTIVE statistics, MANN Whitney U Test
Abstract

Background: Traumatic anterior shoulder instability is a common condition affecting sports participation among young athletes. Clinical outcomes after surgical management may vary according to patient activity level and sport involvement. Overhead athletes may experience a higher rate of recurrent instability and difficulty returning to sport postoperatively with limited previous literature to guide treatment. Purpose: To report the clinical outcomes of patients undergoing primary arthroscopic anterior shoulder stabilization within the Multicenter Orthopaedic Outcomes Network (MOON) Shoulder Instability Consortium and to identify prognostic factors associated with successful return to sport at 2 years postoperatively. Study Design: Case series; Level of evidence, 4. Methods: Overhead athletes undergoing primary arthroscopic anterior shoulder stabilization as part of the MOON Shoulder Instability Consortium were identified for analysis. Primary outcomes included the rate of recurrent instability, defined as any patient reporting recurrent dislocation or reoperation attributed to persistent instability, and return to sport at 2 years postoperatively. Secondary outcomes included the Western Ontario Shoulder Instability Index and Kerlan-Jobe Orthopaedic Clinic Shoulder and Elbow questionnaire score. Univariate regression analysis was performed to identify patient and surgical factors predictive of return to sport at short-term follow-up. Results: A total of 49 athletes were identified for inclusion. At 2-year follow-up, 31 (63%) athletes reported returning to sport. Of those returning to sport, 22 athletes (45% of the study population) were able to return to their previous levels of competition (nonrefereed, refereed, or professional) in at least 1 overhead sport. Two patients (4.1%) underwent revision stabilization, although 14 (28.6%) reported subjective apprehension or looseness. Age (P =.87), sex (P =.82), and baseline level of competition (P =.37) were not predictive of return to sport. No difference in range of motion in all planes (P >.05) and Western Ontario Shoulder Instability Index scores (78.0 vs 80.1, P =.73) was noted between those who reported returning to sport and those who did not. Conclusion: Primary arthroscopic anterior shoulder stabilization in overhead athletes is associated with a low rate of recurrent stabilization surgery. Return to overhead athletics at short-term follow-up is lower than that previously reported for the general athletic population. [ABSTRACT FROM AUTHOR]

Published
2019
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29. Herbal Medicine for Low Back Pain

Author

Gagnier, Joel J., primary, Oltean, Hanna, additional, van Tulder, Maurits W., additional, Berman, Brian M., additional, Bombardier, Claire, additional, and Robbins, Christopher B., additional

Published
2016
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33. Reliability of Radiographic Assessments of Adolescent Midshaft Clavicle Fractures by the FACTS Multicenter Study Group.

Author

Ying Li, Donohue, Kyna S., Robbins, Christopher B., Pennock, Andrew T., Ellis Jr, Henry B., Nepple, Jeffrey J., Pandya, Nirav, Spence, David D., Willimon, Samuel Clifton, Heyworth, Benton E., Li, Ying, Ellis, Henry B Jr, Willimon, S Clifton, and Function after Adolescent Clavicle Trauma and Surgery (FACTS) Multicenter Study Group

Published
2017
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35. DIF - A Language for Dataflow Graph Specification and Exchange

Author

MANAGEMENT COMMUNICATIONS AND CONTROL INC ARLINGTON VA, Robbins, Christopher B., Bhattacharyya, Shuvra S., MANAGEMENT COMMUNICATIONS AND CONTROL INC ARLINGTON VA, Robbins, Christopher B., and Bhattacharyya, Shuvra S.

Abstract

A major impediment to broad acceptance of dataflow specifications for high performance applications is the absence of any standard for dataflow language. While virtually all dataflow graph based specification methods and supporting software tools are based on a common dataflow mathematical model, they are never the less all mutually incompatible. There are a number of dataflow tools and environments that either execute the dataflow specifications directly or automatically translate the specifications into source code for executable realizations of the specifications. Transferring dataflow graphs or reusing legacy designs and specifications from a different dataflow programming environment is not possible. In the absence of anything like ANSI language standards, developers are reluctant to utilize the promising dataflow technology because using a particular vendor's tools is a long term commitment to the vendor as well as the technology. The fact that dataflow tool vendors are for the most part small businesses only exacerbates the problem. The Dataflow Interchange Format (DIF) is an ongoing research project at the University of Maryland (UMD). Its objective is the development of a vendor neutral language for specification of dataflow graphs. Its acceptance as an industry standard by dataflow tool vendors would enable exchange of dataflow graphs among supporting vendors tools and programming environments. Developers could save and reuse legacy dataflow graphs from all vendors tools used in past developments. Government could provide dataflow graph specifications in DIF from other contracts as GFl with the expectation that they could be readily imported into whatever dataflow environment in use., The original document contains color images. All DTIC reproductions will be in black and white. Prepared in cooperation with the Univ. of Maryland, Office of Research Admin., College Park, MD.

Published
2004

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