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Case: A 65-year-old woman sustained a closed segmental humeral shaft fracture with a complete radial nerve palsy. Radial nerve neurotmesis was found during acute surgical exploration and fixation. Treatment included a 2-cm shortening osteotomy of the humeral shaft and osteosynthesis in order to obtain a tension-free primary end-to-end repair of the radial nerve. Conclusion: Tension-free primary nerve repair can be technically challenging with humeral shaft fractures. A shortening osteotomy of the humeral shaft and osteosynthesis are feasible to achieve tension-free neurorrhaphy without nerve-grafting. [ABSTRACT FROM AUTHOR]

Background: With more than 650,000 knee arthroscopies and 175,000 anterior cruciate ligament reconstructions performed annually in the United States, patients presenting for total knee arthroplasty are increasingly likely to have had previous knee surgery. The purpose of this study was to assess the prevalence of previous knee surgery in patients undergoing total knee arthroplasty and to test the hypothesis that patients with previous knee surgery undergo total knee arthroplasty at a younger age.Methods: All patients undergoing primary total knee arthroplasty over the study period who consented to enroll in a prospective total joint registry were reviewed. Inclusion criteria included a diagnosis of osteoarthritis or posttraumatic arthritis.Results: Of 1372 patients in the registry, 1286 met inclusion criteria. Twenty-nine percent had a history of knee surgery, and significantly more men (39%) than women (24%) had a history of knee surgery (p < 0.0001). Patients with previous knee surgery were significantly younger (p < 0.0001) at total knee arthroplasty; the mean age (and standard deviation) was 59 ± 10 years for patients with previous knee surgery compared with 66.6 ± 10.4 years for patients without previous knee surgery. Patients with a history of ligament reconstruction underwent total knee arthroplasty at a significantly younger age (p < 0.0001) than patients with a history of other knee surgery; the mean age (and standard deviation) was 50.2 ± 9.1 years for patients with a history of ligament reconstruction and 59.9 ± 9.6 years for patients with a history of other knee surgery. Among patients who had not undergone previous knee surgery, women underwent total knee arthroplasty at a significantly younger age (p < 0.001) than men; the mean age (and standard deviation) was 65.4 ± 10.3 years for women and 69.3 ± 10 years for men. However, there was no difference in age between the sexes in those with previous knee surgery; the mean age (and standard deviation) was 58.6 ± 10.1 years for women and 59.6 ± 9.8 years for men. The average interval (and standard deviation) from previous knee surgery to total knee arthroplasty is 13.1 ± 12.6 years, longer in men (17.7 ± 13.8 years) than in women (9.1 ± 9.8 years) (p < 0.0001).Conclusions: Patients with previous knee surgery undergo total knee arthroplasty at a significantly younger age than patients without previous knee surgery, especially men and patients with a history of ligament reconstruction. This may be a factor in the rising demand for total knee arthroplasty. Future investigation to identify those at risk for early total knee arthroplasty after knee surgery and to develop methods to delay or to prevent the need for future total knee arthroplasty in these patients is warranted.Level Of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence. [ABSTRACT FROM AUTHOR]

STUDY DESIGN: Retrospective analysis of a prospectively collected database. OBJECTIVE: To determine the overall incidence, location, and type of disc herniations in professional football players to target treatment issues and prevention. SUMMARY OF BACKGROUND DATA: Disc herniations represent a common and debilitating injury to the professional athlete. The NFL's (National Football League's) Sports Injury Monitoring System is a surveillance database created to monitor the league for all injuries, including injuries to the cervical, thoracic, and lumbar spine. METHODS: A retrospective analysis was performed on all disc herniations to the cervical, thoracic, and lumbar spine during a 12-season period (2000-2012) using the NFL's surveillance database. The primary data points included the location of the injury, player position, activity at time of injury, and playing time lost due to injury. RESULTS: During the 12 seasons, 275 disc herniations occurred in the spine. In regard to location, 76% occurred in the lumbar spine and most frequently affected the L5-S1 disc. The offensive linemen were most frequently injured. As expected, blocking was the activity that caused most injuries. Lumbar disc herniations rose in prevalence and had a mean loss of playing time of more than half the season (11 games). Thoracic disc herniations led to the largest mean number of days lost overall, whereas players with cervical disc herniations missed the most practices. CONCLUSION: Disc herniations represent a significant cause of morbidity in the NFL. Although much attention is placed on spinal cord injuries, preventive measures targeting the cervical, thoracic, and lumbar spine may help to reduce the overall incidence of these debilitating injuries. LEVEL OF EVIDENCE: N/A [ABSTRACT FROM AUTHOR]