The brachial plexus is a series of nerves formed by roots of cervical segments 5 to 8 (C5-C8) as well as the first thoracic nerve (T1). It functions to provide sensation and motor innervation to the skin and muscles of the chest and upper limb. It does so through different segments: roots, trunks, divisions, and cords. Injuries to the brachial plexus occur relatively frequently and are due mainly to traumatic accidents that lead to traction or compression of the nerve roots. When considering the etiology and treatment of such injuries, it is important to make a distinction between adult versus obstetric brachial plexus injury. Although several surgical treatment options are described and used for patients with brachial plexus injury, no perfect remedy currently exists. Prevention and safety should be the focus. At the same time, high-quality studies and new technology and techniques are needed to determine more effective treatments for this group.
The objective of this study was to examine the current system of medical education along with the advances that are being made to support the demands of a changing health care system. American medical education must reform to anticipate the future needs of a changing health care system. Since the dramatic transformations to medical education that followed the publication of the Flexner report in 1910, medical education in the United States has largely remained unaltered. Today, the education of future physicians is undergoing modifications at all levels: premedical education, medical school, and residency training. Advances are being made with respect to curriculum design and content, standardized testing, and accreditation milestones. Fields such as plastic surgery are taking strides toward improving resident training as the next accreditation system is established. To promote more efficacious medical education, the American Medical Association has provided grants for innovations in education. Likewise, the Accreditation Council for Graduate Medical Education outlined 6 core competencies to standardize the educational goals of residency training. Such efforts are likely to improve the education of future physicians so that they are able to meet the future needs of American health care.
Aortic valve stenosis is the most common primary valvular disease today. The natural history of aortic valve stenosis is most commonly described as a long latent period without symptoms as the disease progresses from mild to severe, followed by a shorter period with symptoms; ultimately, death will result if the stenosis is left untreated. Today, severe aortic stenosis is a class 1 indication for surgery. Classic symptoms include dyspnea, syncope, and angina. Diagnostic options include echocardiography, cardiac catheterization, computed tomography, and magnetic resonance imaging. Perioperative transesophageal echocardiography is necessary for preoperative and postoperative assessment of the patient who has severe aortic stenosis.
Autosomal dominant or benign osteopetrosis is a rare genetic disorder of osteoclasts that results in dense but brittle bone structures. Patients with osteopetrosis may be scheduled for total knee arthroplasty to treat painful and functionally limiting osteoarthrosis. A search of the published literature produced no citation concerning anesthesia for patients with autosomal dominant osteopetrosis undergoing total knee arthroplasty. We present a case report detailing our experience and discuss considerations for the care of future patients with autosomal dominant osteopetrosis.
Heart transplantation is indicated when other treatment options for patients with heart failure are no longer effective or when a heart transplant would improve survival. There are currently a variety of treatment options for these patients; the options range from medical therapy to full mechanical support. Heart transplantation remains the definitive therapy for end-stage heart failure. This discussion focuses on the management of a patient who presents for a heart transplant as well as some of the challenging clinical issues that may present during this period. Anesthetic induction agents may depress cardiovascular function and result in cardiovascular collapse. Drugs should be chosen that have limited hemodynamic effects.
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