Background In the military, return-to-duty status has commonly been used as a functional outcome measure after orthopaedic surgery. This is sometimes regarded similarly to return to sports or as an indicator of return to full function. However, there is variability in how return-to-duty data are reported in clinical research studies, and it is unclear whether return-to-duty status alone can be used as a surrogate for return to sport or whether it is a useful marker for return to full function. Questions/purposes (1) What proportion of military patients who reported return to duty also returned to athletic participation as defined by self-reported level of physical activity? (2) What proportion of military patients who reported return to duty reported other indicators of decreased function (such as nondeployability, change in work type or level, or medical evaluation board)? Methods Preoperative and postoperative self-reported physical profile status (mandated physical limitation), physical activity status, work status, deployment status, military occupation specialty changes, and medical evaluation board status were retrospectively reviewed for all active-duty soldiers who underwent orthopaedic surgery at Madigan Army Medical Center, Joint Base Lewis-McChord from February 2017 to October 2018. Survey data were collected on patients preoperatively and 6, 12, and 24 months postoperatively in all subspecialty and general orthopaedic clinics. Patients were considered potentially eligible if they were on active-duty status at the time of their surgery and consented to the survey (1319 patients). A total of 89% (1175) were excluded since they did not have survey data at the 1 year mark. Of the remaining 144 patients, 9% (13) were excluded due to the same patient having undergone multiple procedures, and 2% (3) were excluded for incomplete data. This left 10% (128) of the original group available for analysis. Ninety-eight patients reported not having a physical profile at their latest postoperative visit; however, 14 of these patients also stated they were retired from the military, leaving 84 patients in the return-to-duty group. Self-reported “full-time duty with no restrictions” was originally used as the indicator for return to duty; however, the authors felt this to be too vague and instead used soldiers’ self-reported profile status as a more specific indicator of return to duty. Mean length of follow-up was 13 ± 3 months. Eighty-three percent (70 of 84) of patients were men. Mean age at the preoperative visit was 35 ± 8 years. The most common surgery types were sports shoulder (n = 22) and sports knee (n = 14). The subgroups were too small to analyze by orthopaedic procedure. Based on active-duty status and requirements of the military profession, all patients were considered physically active before their injury or surgery. Return to sport was determined by asking patients how their level of physical activity compared with their level before their injury (higher, same, or lower). We identified the number of other indicators that may suggest decreased function by investigating change in work type/level, self-reported nondeployability, or medical evaluation board. This was performed with a simple survey. Results Of the 84 patients reporting return to duty at the final follow-up, 67% (56) reported an overall lower level of physical activity. Twenty-seven percent (23) reported not returning to the same work level, 32% (27) reported being nondeployable, 23% (19) reported undergoing a medical evaluation board (evaluation for medical separation from the military), and 11% (9) reported a change in military occupation specialty (change of job description). Conclusion Return to duty is commonly reported in military orthopaedics to describe postoperative functional outcome. Although self-reported return to duty may have value for military study populations, based on the findings of this investigation, surgeons should not consider return to duty a marker of return to sport or return to full function. However, further investigation is required to see to what degree this general conclusion applies to the various orthopaedic subspecialties and to ascertain how self-reported return to duty compares with specific outcome measures used for particular procedures and subspecialties. Level of Evidence Level IV, therapeutic study.

Case: A 19-year-old female servicemember with history of ischiopubic rami stress fractures was referred to orthopaedic surgery for magnetic resonance imaging findings concerning for a tension-sided femoral neck stress fracture. However, her history and symptoms were discordant with the diagnosis of stress fracture. The patient was managed with protected weight-bearing for 6 weeks with gradual return to physical activity. Conclusion: Prophylactic surgical fixation is advocated for the management of tension-sided femoral neck stress fractures. However, surgeons should consider a broader differential diagnosis, to include a synovial inclusion cyst, when the clinical presentation is not consistent with a stress fracture.

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Background: Acute traumatic posterior sternoclavicular (SC) joint dislocation is a serious injury given its potential to cause cardiovascular and airway compromise that typically will require emergent closed reduction. There are limited data on the rate of return to sports (RTS) after this injury pattern when treated in a closed fashion. Purpose: To systematically review the literature and evaluate (1) the rate of RTS after closed reduction of posterior SC dislocation and (2) the timeline for RTS after closed reduction of posterior SC dislocation. Study Design: Systematic review; Level of evidence, 4. Methods: A systematic review was performed using the PubMed, EBSCOhost, and Elsevier databases with the search term “sternoclavicular dislocation.” Inclusion criteria were publications reporting successful closed reduction of posterior SC joint dislocation and containing data relevant to the study objectives. Exclusion criteria were cases with unsuccessful closed reduction, open surgical reduction, concomitant fracture, epiphyseal disruption, superior or anterior dislocation, subluxation injury, treatment without reduction, and atraumatic or congenital origins. Results: Sixteen studies and an additional forthcoming case at the authors’ institution were identified to have documented RTS with a total of 31 patients. Of these patients, 23 (74%) in the cohort had full RTS. Eight of the 16 studies plus the additional case reported a timeline for RTS. The mean time to RTS was 3.1 months (range, 1-6 months). Of the 8 patients who did not return to preinjury sports or activity, 12.9% (4/31) reported restrictions with sports or activity, 6.5% (2/31) changed to a sport with less contact, 3.2% (1/31) experienced symptomatic recurrence requiring surgical stabilization, and 3.2% (1/31) quit the sport. Conclusion: Closed reduction of acute traumatic posterior SC joint dislocations provides high RTS rates with low rates of secondary surgical stabilization. The mean time to RTS at the preinjury activity level was 3.1 months.

Patellar tendinopathy (PT) is a common nontraumatic orthopaedic disorder of the knee suffered by many service members. Understanding the make-up of usual care for PT at the system level can better frame current clinical gaps and areas that need improvement. Exercise therapy is recommended as a core treatment for PT, but it is unclear how often it is used as a part of usual care for PT within the Military Health System (MHS). The purpose of the study was to identify interventions used in the management of PT and the timing of these interventions. A secondary purpose was to determine if exercise therapy use was associated with reduced recurrence of knee pain. In total, 4,719 individuals aged 17 to 50 years in the MHS diagnosed with PT between 2010 and 2011 were included. Pharmacological and nonpharmacological interventions, visits to specialty providers, and imaging services were captured. Descriptive statistics were used to report the findings. Interventions were further categorized as being part of initial care (within the first 7 days), the initial episode of care (within the first 60 days), or the 2-year time period after diagnosis. Linear regression assessed the relationship between the number of exercise therapy visits in the initial episode of care and recurrences of knee pain. In total, 50.6% of this cohort had no more than one medical visit total for PT. Exercise therapy (18.2%) and nonsteroidal anti-inflammatory drugs (4.3%) were the two most used interventions in the initial episode of care. Radiographs were ordered for 23.1% of the cohort in the initial episode of care. The number of exercise therapy visits a patient received during the initial episode of care was not associated with recurrences of knee pain. Half of the individuals received no further care beyond an initial visit for the diagnosis of PT. Exercise therapy was the most common intervention used during the initial episode of care, but exercise therapy did not influence the recurrence of knee pain.