Osteoarthritis (OA) is the most common type of arthritis found in the United States' population and is also the most common disease of joints in adults throughout the world with the knee being the most frequently affected of all joints. As the United States' population ages along with the increasing trends in obesity prevalence in other parts of the world, it is expected that the burden of OA on the population, healthcare system, and overall economy will continue to increase in the future without making major improvements in managing knee OA. Numerous therapies aim to reduce symptoms of knee OA and continued research has helped to further understand the complex pathophysiology of its disease mechanism attempting to uncover new potential targets for the treatment of OA. This review article seeks to evaluate the current practices for managing knee OA and discusses emerging therapies on the horizon. These practices include non-pharmacological treatments such as providing patient education and self-management strategies, advising weight loss, strengthening programs, and addressing biomechanical issues with bracing or foot orthoses. Oral analgesics and anti-inflammatories are pharmacologicals that are commonly used and the literature overall supports that some of these medications can be helpful for managing knee OA in the short-term but are less effective for long-term management. Additionally, more prolonged use significantly increases the risk of serious associated side effects that are not too uncommon. Disease-modifying osteoarthritis drugs are being researched as a treatment modality to potentially halt or slow disease progression but data at this time is limited and continued studies are being conducted to further investigate their effectiveness. Intra-articular injectables are also implemented to manage knee OA ranging from corticosteroids to hyaluronans to more recently platelet-rich plasma and even stem cells while several other injection therapies are presently being studied. The goal of developing new treatment strategies for knee OA is to prolong the need for total knee arthroplasty which should be utilized only if other strategies have failed. High tibial osteotomy and unicompartmental knee arthroplasty are potential alternatives if only a single compartment is involved with more data supporting unicompartmental knee arthroplasty as a good treatment option in this scenario. Arthroscopy has been commonly used for many years to treat knee OA to address degenerative articular cartilage and menisci, however, several high-quality studies have shown that it is not a very effective treatment for the majority of cases and should generally not be considered when managing knee OA. Improving the management of knee OA requires a multi-faceted treatment approach along with continuing to broaden our understanding of this complex disease so that therapeutic advancements can continue to be developed with the goal of preventing further disease progression and even potentially reversing the degenerative process.
Venous air embolism (VAE) is a potentially life-threatening event that is most commonly associated with certain surgical procedures, although this theoretical complication of pressurized rapid infusion of intravenous (IV) fluids has been described. This series of cases describes 4 athletes who presented with continuous coughing and other chest complaints after peripheral IV infusion of normal saline through manual pressurized infusion. Symptoms resolved within 20 minutes, and these incidences did not interfere with resuming athletic competition with no recurrence of symptoms or complications. These cases are most consistent with varying degrees of VAE and reveal the risk of VAE associated with pressurized peripheral IV fluid administration along with the unique clinical presentation of more modest forms of VAE in an awake patient. Becoming more knowledgeable about IV infusion technique and understanding potential pitfalls can be helpful in reducing future incidences of VAE.
Head injuries are relatively common in ice hockey, with the majority represented by concussions, a form of mild traumatic brain injury. More severe head injuries are rare since the implementation of mandatory helmet use in the 1960s. We present a case of a 27 year-old male who sustained a traumatic intraparenchymal hemorrhage with an associated subdural hematoma resulting after being struck by a puck shot at high velocity. The patient presented with expressive aphasia, with no other apparent neurologic deficits. Acutely, he was successfully treated with observation and serial neuroimaging studies ensuring an absence of hematoma expansion. After a stable clinical picture following 24 hours of observation, the patient was discharged and managed with outpatient speech therapy with full resolution of symptoms and return to play 3 months later. We will outline the patient presentation and pertinent points in the management of acute head injuries in athletes.
Most injuries in American football are orthopedic, but the medical team must also be prepared to recognize and manage injuries beyond the musculoskeletal system that may result from trauma to the face, chest, abdomen, and pelvic regions. Failure to promptly identify such injuries in athletes can be life-threatening or permanently disabling. The literature on many of the nonorthopedic sports injuries is limited but can aid in understanding injury presentation, imaging modalities of choice, and initial management. Safe return-to-play decision-making requires a thoughtful approach through the use of available data and an understanding of pathophysiology and tissue healing.
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