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Background: Ulnar collateral ligament (UCL) injury has become increasingly common in Major League Baseball (MLB) players in recent years., Hypothesis: There is a significant difference in preinjury fastball velocity between MLB pitchers with tears and matched controls without UCL injury. Pitchers with injuries are throwing harder and getting injured earlier in their MLB careers., Study Design: Cohort study; Level of evidence, 3., Methods: From 2007 to 2014, a total of 170 documented UCL injuries (156 pitchers, 14 position players) occurred in MLB. Inclusion criteria for this study consisted of any player who tore his UCL in MLB during this time frame. There were 130 regular-season tears (April-September). From this group, 118 players who pitched more than 100 innings prior to tear were matched to subjects with no tear and were compared using a logistic regression analysis. A subgroup of "early tear" players who threw less than 100 career innings (n = 37) was also identified and compared with the larger tear group using a logistic regression analysis., Results: Of the 130 tears that occurred during the regular season, a significantly larger number (62%) occurred in the first 3 months (P = .011). The rate of UCL tears per MLB player (P = .001) was statistically significant. In the group of 118 matched tears, the mean fastball velocity was greater in the tear group (91.7 mph) compared with the control group (91.0 mph; P = .014). Furthermore, relief pitchers made up a greater percentage of the early tear group (<100 innings) compared with the later tear group (P = .011). Sixteen of the 170 UCL tears (9.4%) were recurrent tears, with 5 of 16 experiencing both tear and retear within the past 4 years., Conclusion: There is a statistically significant difference in the mean fastball velocity of pitchers who injure their UCL. Small increases in pitcher fastball velocity are a main contribution to the increased rate of tear in MLB. In addition, there has been an increased incidence of injury in the first 3 months of the season. Finally, early tears are more likely to occur in relief pitchers than starters.

Spinal epidural abscess (SEA) is an uncommon and potentially catastrophic condition. SEA often presents a diagnostic challenge, as the "classic triad" of fever, spinal pain, and neurological deficit is evident in only a minority of patients. When diagnosis is delayed, irreversible neurological damage may ensue. To minimize morbidity, an appropriate level of suspicion and an understanding of the diagnostic evaluation are essential. Infection should be suspected in patients presenting with axial pain, fever, or elevated inflammatory markers. Although patients with no known risk factors can develop SEA, clinical concern should be heightened in the presence of diabetes, intravenous drug use, chronic renal failure, immunosuppressant therapy, or a recent invasive spine procedure. When the clinical profile is consistent with the diagnosis of SEA, gadolinium-enhanced magnetic resonance imaging of the spinal column should be obtained on an emergent basis to delineate the location and neural compressive effect of the abscess. Rapid diagnosis allows for efficient treatment, which optimizes the potential for a positive outcome., (© 2015 Society of Hospital Medicine.)

Low back pain (LBP) is a common complaint in the United States, with an incidence of 6.3%-15.4% and yearly recurrence in 54%-90% of patients.1 Trends show more frequent diagnostic testing, opioid use, and surgical intervention as the incidence of LBP increases.2 LBP is defined as pain at and near the lumbosacral region that can vary with physical activity and time. LBP is usually related to pathology of muscles, ligaments, spinal column joints, nerve roots, and the spinal cord. During the assessment of LBP, practitioners must also consider less common causes of pain in that region. For instance, patients with indolent or nighttime pain may have infectious or malignant processes. Referred pain from injuries to pelvic musculature or abdominal contents should be considered, especially following a traumatic event. One of these injuries, which can present as acute low back pain, is rupture of the proximal hamstring tendon. On rare occasion, concomitant LBP, radiculopathy, and hamstring injuries can occur;. This diagnostic challenge is described in the following case.

Patients experiencing high-energy trauma evaluated at level I trauma centers often present with multiple injuries and varying levels of hemodynamic instability. The polytrauma patient requires immediate assessment and stabilization of their orthopedic injuries once the primary trauma survey is complete, and oftentimes, operative fixation of injuries is delayed while patients are resuscitated by general trauma services. The authors describe the application of the upper extremity "quad" splint which includes components of a sugar tong, intrinsic plus, thumb spica, and dorsal extension blocking splint and its indication for patients with multiple upper extremity fractures distal to the humerus. This splint is efficiently applied using minimal material while simultaneously allowing for the stabilizing aspects of 4 splints commonly applied in the emergency setting., (Copyright © 2015 Elsevier Inc. All rights reserved.)