Objectives: To compare a single numerical patient-reported outcome measure (PROM) to general health and injury-specific PROMs.
Background Lower extremity fractures represent a high percentage of reported injuries in the United States military and can devastate a service member’s career. A passive dynamic ankle-foot orthosis (PD-AFO) with a specialized rehabilitation program was initially designed to treat military service members after complex battlefield lower extremity injuries, returning a select group of motivated individuals back to running. For high-demand users of the PD-AFO, the spatiotemporal gait parameters, agility, and quality of life is not fully understood with respect to uninjured runners. Questions/purposes Do patients who sustained a lower extremity fracture using a PD-AFO with a specialized rehabilitation program differ from uninjured service members acting as controls, as measured by (1) time-distance and biomechanical parameters associated with running, (2) agility testing (using the Comprehensive High-level Activity Mobility Predictor performance test and Four Square Step Test), and (3) the Short Musculoskeletal Function Assessment score. Methods We conducted a retrospective data analysis of a longitudinally collected data registry of patients using a PD-AFO from 2015 to 2017 at a single institution. The specific study cohort were patients with a unilateral lower extremity fracture who used the PD-AFO for running. Patients had to be fit with a PD-AFO, have completed rehabilitation, and have undergone a three-dimensional (3-D) running analysis at a self-selected speed at the completion of the program. Of the 90 patients who used the PD-AFO for various reasons, 10 male service members with lower extremity fractures who used a PD-AFO for running (median [range] age 29 years [22 to 41], height 1.8 meters [1.7 to 1.9], weight 91.6 kg [70 to 112]) were compared with 15 uninjured male runners in the military (median age 33 years [21 to 42], height 1.8 meters [1.7 to 1.9], weight 81.6 kg [71.2 to 98.9]). The uninjured runners were active-duty service members who voluntarily participated in a gait analysis at their own self-selected running speeds; to meet eligibility for inclusion as an uninjured control, the members had to be fit for full duty without any medical restrictions, and they had to be able to run 5 miles. The controls were then matched to the study group by age, weight, and height. The primary study outcome variables were the running time-distance parameters and frontal and sagittal plane kinematics of the trunk and pelvis during running. The Four Square Step Test, Comprehensive High-level Activity Mobility Predictor scores, and Short Musculoskeletal Function Assessment scores were analyzed for all groups as secondary outcomes. Nonparametric analyses were performed to determine differences between the two groups at p < 0.05. Results For the primary outcome, patients with a PD-AFO exhibited no differences compared with uninjured runners in median (range) running velocity (3.9 meters/second [3.4 to 4.2] versus 4.1 meters/second [3.1 to 4.8], median difference 0.2; p = 0.69), cadence (179 steps/minute [169 to 186] versus 173 steps/minute [159 to 191], median difference 5.8; p = 0.43), stride length (2.6 meters [2.4 to 2.9] versus 2.8 meters [2.3 to 3.3], median difference 0.2; p = 0.23), or sagittal plane parameters such as peak pelvic tilt (24° [15° to 33°] versus 22° [14° to 28°], median difference 1.6°; p = 0.43) and trunk forward flexion (16.2° [7.3° to 23°) versus 15.4° [4.2° to 21°), median difference 0.8°; p > 0.99) with the numbers available. For the secondary outcomes, runners with a PD-AFO performed worse in Comprehensive High-level Activity Mobility Predictor performance testing than uninjured runners did, with their four scores demonstrating a median (range) single-limb stance of 35 seconds (32 to 58) versus 60 seconds (60 to 60) (median difference 25 seconds; p < 0.001), t-test result of 15 seconds (13 to 20) versus 13 seconds (10 to 14) (median difference 2 seconds; p < 0.001), and Illinois Agility Test result of 22 seconds (20 to 25) versus 18 seconds (16 to 20) (median difference 4; p < 0.001). Edgren side step test result of 20 meters (16 to 26) versus 24 meters (16 to 29) (median difference 4 meters; p = 0.11) and the Four Square Step Test of 5.5 seconds (4.1 to 7.2) versus 4.2 seconds (3.1 to 7.3) (median difference 1.3 seconds; p = 0.39) were not different between the groups with an effect size of 0.83 and 0.75, respectively. Conclusion The results of our study demonstrate that service members run with discernible differences in high-level mobility and demonstrate inferior self-reported patient functioning while having no differences in speed and biomechanics compared with their noninjured counterparts with the sample size available. This study is an early report on functional gains of highly motivated service members with major lower extremity injuries who use a PD-AFO and formalized therapy program to run. Level of Evidence Level III, therapeutic study.
Introduction The process for working up scaphoid fractures from frontline providers to the specialty care clinic is variable. Initial imaging can often be negative and the management algorithm is not clearly defined. Delays in diagnosis are a contributing factor to scaphoid nonunion. Fractures may not be identified by frontline providers on initial presentation because of radiographically occult injuries. If not treated promptly, scaphoid fractures may be complicated by nonunion, avascular necrosis, and osteoarthritis. Materials and Methods Retrospective review of scaphoid nonunions from 2017 to 2018 in a single tertiary care institution after internal review board approval was obtained (NMCSD.QI.2019.0003). Cases were identified using an ICD 10 search for “scaphoid (navicular) fracture non-union” and subtypes. Charts were examined for time between injury and presentation, injury and diagnosis, initial radiologic workup, and limited duty (LIMDU). Nonparametric statistical analysis for linear and categorical data was conducted using SPSS. A subgroup of patients who had a delay in diagnosis of greater than 30 days upon entering the medical system was further analyzed and identified as the “delayed diagnosis” cohort. Results In total, 30 patients with scaphoid nonunion were identified. Overall, 35% of patients had negative initial X-rays and averaged 42.1 days until diagnosis. In total, 100% of patients required at least one LIMDU period, averaging 1.4 periods, for a total of 6,404 days and 16% went on to a physical evaluation board (PEB). In 9 (30%) of these patients, injury was initially not identified upon entering the medical system resulting in average of 139.7 days until diagnosis; this became known as the delayed diagnosis subgroup. Further analysis of the delayed diagnosis subgroup demonstrated significantly more initial negative X-rays (P < .005) at a rate of 77% (7/9). A delay in diagnosis was significantly associated with PEB (R = 0.4, P = .031) with 33% of these patients going on to a PEB. Conclusions Delayed diagnosis of a scaphoid fracture is a contributing factor for excessive light duty, high rates of LIMDU utilization, and ultimately medical separation of service members. Overall, in all patients who had scaphoid nonunions, the average time to diagnosis was 42.1 days with 35% of patients presenting with negative initial imaging. A delayed diagnosis subgroup was identified and notable for a higher rate of initial negative X-rays, an average of 139.7 days until diagnosis, and a 33% PEB rate. In total, 77% of patients with a delay in diagnosis of more than 30 days had an initial negative X-ray. An evidence-based algorithm for diagnosing occult scaphoid fractures may prevent delays in diagnosis, thus increasing the readiness of active duty service members.
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Case: We report a case of a 76-year-old female with a stage IB, grade I endometrioid endometrial carcinoma who presented with right-hip pain and an enlarging black, exophytic, subungual lesion on her right-small-finger distal phalanx. Clinically, the distal phalanx lesion was suspicious for a subungual melanoma; however, advanced imaging suggested metastatic disease, with lesions in the acetabulum, lungs, brain, vulva, and vagina. Conclusion: Partial amputation of the right, small finger and vulvar biopsies confirmed an endometrial carcinoma. To our knowledge, this is the first described case of endometrial adenocarcinoma metastasis to the phalanx of an upper extremity, mimicking a subungual melanoma.
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