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Platelet-rich plasma (PRP) has been utilized in surgery for 2 decades; there has been a recent interest in the use of PRP for the treatment of sports-related injuries. PRP contains growth factors and bioactive proteins that influence the healing of tendon, ligament, muscle, and bone. This article examines the basic science of PRP, and it describes the(More)
In Europe and the United States, there is an increasing prevalence of the use of autologous blood products to facilitate healing in a variety of applications. Recently, we have learned more about specific growth factors, which play a crucial role in the healing process. With that knowledge there is abundant enthusiasm in the application of concentrated(More)
The management of adolescent radius and ulna diaphyseal fractures is controversial. The purpose of this study was to address the residual deformity and functional outcome following closed treatment of these fractures. Twenty-five older children and adolescents (mean age 13.3 years, range 8.8-15.5) with displaced diaphyseal both-bone forearm fractures(More)
BACKGROUND Hip injuries, both intra- and extra-articular, are becoming a more commonly recognized, diagnosed, and treated injury in athletes of all competitive levels. Our goal is to establish a previously undefined value in this athletic population--the prevalence of radiographic hip abnormalities in elite soccer athletes. PURPOSE To provide a foundation(More)
One of the major disadvantages reported for the use of the S-ROM constrained total hip arthroplasty is the need for mandatory urgent revision surgery in cases of dislocation. In patients who are medically compromised and poor surgical candidates, this disadvantage presents a difficult management dilemma. To address this problem, we have developed a(More)
BACKGROUND Previous studies have indicated that hip and pelvis kinematics may be altered during functional tasks in persons with femoroacetabular impingement. The purpose of this study was to compare hip and pelvis kinematics and kinetics during a deep squat task between persons with cam femoroacetabular impingement and pain-free controls. METHODS Fifteen(More)
Hamstring muscle injuries are common in athletes and mostly consist of sprains at the myotendinous junction, which often respond well to conservative treatment. Proximal hamstring avulsion injuries, though less common, can be severely debilitating. This injury is often seen in water skiers but has been described in many other sports and in middle-aged(More)
PURPOSE To survey surgeons who perform a high volume of hip arthroscopy procedures regarding their operative technique, type of procedure, and postoperative management. METHODS We conducted a cross-sectional survey of 27 high-volume orthopaedic surgeons specializing in hip arthroscopy to report their preferences and practices related to their operative(More)