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Synopsis: A biomechanical study of tuberosity reattachment in hemiarthroplasty after 4-part humeral head fractures found that cerclage wiring provided optimal stability.
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The FDA has mandated a Black Box warning for all estrogen and estrogen/progestin products for use by postmenopausal women. The new warnings are based on analysis of data from the Womens Health Initiative (WHI) study that was published July 2002.
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Synopsis: This study demonstrates significant early to mid-term improvements in pain, function, and activity level following meniscal allograft replacement in properly selected individuals.
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Synopsis: Delays in ACL reconstruction in patients younger than 14 years old results in more unrepairable meniscus injuries.
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Synopsis: By using a pertubation training regimen, Chmielewski and colleagues were able to alter muscle contraction patterns in a way beneficial to coping with an ACL-deficient knee.
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Synopsis: The type of fixation device used in an anterior cruciate ligament reconstruction determines the strength and stiffness of a tendon in a bone tunnel following implantation.
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Synopsis: Custom biomechanical orthoses are beneficial in reducing the risk of stress fracture for walking, especially in army boots; however, these orthoses are not helpful in activities that involve running or when athletes are already wearing standard running shoes.
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Within minutes of an acute cerebral ischemic insult, diffusion-weighted magnetic resonance imaging (DWI) demonstrates ischemic regions with a decline in the apparent diffusion coefficient (ADC) of water. ADC decline is associated with impaired high-energy metabolism and loss of ion homeostasis. Animal studies and preliminary observations in humans demonstrate that initial DWI and ADC abnormalities are reversible by early reperfusion.
