J Am Acad Orthop Sur
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J Am Acad Orthop Sur · Jul 2002
ReviewTreatment of complex regional pain syndrome of the lower extremity.
Complex regional pain syndrome, formerly known as reflex sympathetic dystrophy or causalgia, is a difficult therapeutic problem for the orthopaedic surgeon treating an affected lower extremity. Despite many divergent and often conflicting theories, the cause of the severe pain, alterations in regional blood flow, and edema is unknown. ⋯ Despite widespread use of some of these treatments, few controlled clinical trials quantify their effectiveness. This challenging syndrome is best managed by a multidisciplinary team, including chronic pain management specialists, physical therapists, and orthopaedic surgeons.
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The unique anatomy of the upper cervical spine and the typical mechanisms of injury yield a predictable variety of injury patterns. Traumatic ligamentous injuries of the atlanto-occipital joint and transverse atlantal ligament are relatively uncommon, have a poor prognosis for healing, and often respond best to surgical stabilization. Bony injuries, including occipital condyle fractures, atlas fractures, most odontoid fractures, and traumatic spondylolisthesis of the axis, generally respond well to nonsurgical management. Controversy in management remains, however, especially with type II odontoid fractures.