The role of arthroscopy in the evaluation and treatment of triangular fibrocartilage complex injuries in athletes.

Treating athletes with TFCC injuries can be a difficult but very rewarding undertaking. Each athlete has individual priorities and concerns, ranging from general health and fitness for the recreational athlete to earning or potentially earning a living as a professional athlete. It is crucial for the treating surgeon to understand these issues to offer the appropriate treatment options at the appropriate time. Triangular fibrocartilage complex injuries are quite common in athletes because of the high loads placed on the ulnar side of the wrist, especially with ulnar-neutral and positive variance. The goal of treatment for the competitive athlete with a TFCC lesion is to hasten maximal recovery and return the athlete to participation at the pre-injury level of performance. Early wrist arthroscopy and treatment of TFCC pathology in this population is certainly a real and valuable treatment option. As has been stated, "the TFCC is the new frontier of wrist surgery" and arthroscopy has helped blaze the trail to this frontier. Competitive and recreational athletes alike benefit from arthroscopic treatment of their TFCC injuries.

Orthopedic residents' perceptions of the content and adequacy of their residency training.

The content and adequacy of orthopedic surgery residency training can be evaluated by several means. The Accreditation Council for Graduate Medical Education and the Residency Review Committee set standards with which residency programs must comply in order to be accredited. Residents' perceptions of the content and adequacy of their training is another means of evaluating orthopedic residency training. A questionnaire was sent to all graduating orthopedic residents in the United States, Canada, and Puerto Rico. The questionnaire provided program and individual resident demographics, as well as the residents' rating of specific areas of residency training on a 5-point scale (1=superior, 2=above average, 3=average, 4=below average, 5=inadequate). Completed surveys were received from 454 of the 698 graduating orthopedic surgery residents listed by the American Academy of Orthopaedic Surgeons; the response rate was therefore 65.0%. Our respondents were representative of the entire population in terms of geographic and sex distribution. Respondents rated their general orthopedic training at 1.9. The areas of training that had the best ratings included trauma/fracture (1.8), adult reconstruction (1.9), and pediatrics (1.9). The worst rating was reported for training in foot and ankle (2.7). Factors related to better ratings for general orthopedic training included male sex of residents, programs with more full-time faculty, programs with more hours of weekly teaching conferences, programs with one or more faculty present at all teaching conferences and programs in which residents first operate independently at or before postgraduate year 4. Sixty-six percent of all respondents were planning to hold a fellowship immediately after graduation. The most common fellowships taken included sports medicine (20.5% of all respondents), hand (12.1%), and spine (9.5%). Younger graduating residents, those from larger programs (more residents per year), and those from the Mideast (U.S.), and New England regions were most likely to enter a fellowship after graduation.

Origin of cells that line damaged native blood vessels following endothelial cell transplantation.

Endothelial cell (EC) transplantation has been proposed as a method to reduce the thrombogenicity of both vascular grafts as well as injured native blood vessels. While techniques have been developed to establish EC monolayers on these surfaces, a major question that remains is whether the cells that exist on the blood flow surface are the same cells placed on the surface at the time of transplantation. We have developed an intravital fluorescent staining technique that permits isolated, autologous, fat-derived microvascular endothelial cells (MVEC) to be labeled and subsequently detected following their transplantation. In our study, rat abdominal aortas (AA) were injured with a 3F embolectomy catheter, and the injured surfaces were immediately treated with fluorescently labeled MVEC. Five days after transplantation, AA were evaluated by both scanning electron and fluorescence microscopy. Results of scanning electron microscopy showed the existence of nonthrombogenic regions in the areas of injury, and fluorescence microscopy of the identical areas established that these cells contained fluorescent dye. Our results indicate that the cells that line these injured areas of native vessels are the same cells that were originally transplanted. Our intravital fluorescence technique provides a method to trace the origin and disposition of transplanted cells on the vascular surfaces.