Military medicine
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Comment Letter Case Reports
Tactical management of urban warfare casualties in special operations.
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An investigation was conducted to determine if testing machine crosshead speed influenced shear bond strength (SBS) or the failure mode of composite bonded to enamel and dentin. Composite cylinders were bonded to 50 enamel and 50 dentin surfaces and thermocycled. Groups of 10 samples were debonded at speeds of 0.1, 0.5, 1.0, 5.0, and 10.0 mm/min. ⋯ No other differences in SBS were found. Samples tested at 0.5 mm/min demonstrated strikingly better cohesive vs. adhesive results than all other groups. SBS and cohesive vs. adhesive failures achieved with dentin bonding were significantly affected by crosshead speed.
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Varicella infections affect the U. S. Army, but the extent has not been quantified recently. ⋯ S. Army is to target trainees for screening or vaccination. Refinement of this strategy should be determined from a follow-up cost-effectiveness analysis.
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To develop prevention and treatment modalities for eye injuries, ophthalmologists require epidemiological data on the various types of eye injuries. This study sought to define eye injury patterns in the U.S. armed forces. ⋯ An eye injury is a traumatic and potentially debilitating event. The loss of visual acuity can be drastic, resulting in an extensive recovery period.
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Lemierre syndrome consists of septic thrombophlebitis of the internal jugular vein secondary to oropharyngeal infection, usually with Fusobacterium necrophorum. Septic metastatic emboli and distant infection are characteristic. ⋯ In addition, we used magnetic resonance imaging to effectively distinguish between inflammatory venous thrombosis and abscess, thus avoiding surgery in our patient. Early directed antibiotic therapy is mandatory to ensure good outcome.