PubMed · 14373511
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E NEIMANN-SØRENSEN, J J PINDBORG. 1955. [Posttraumatic changes in teeth during development].. https://pubmed.ncbi.nlm.nih.gov/14373511/
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We have assessed a number of ballistic fracture classifications but were unable to identify one that could adequately grade the severity of the injury, assist in determining the optimal treatment or predict outcome. Many of the existing classifications are based on experimental studies or radiological appearance and do not take into account the soft tissue injury, which is usually the main prognostic indicator. In addition few differentiated between different bones, and some were specific to only one bone. We would suggest that ballistic fractures are treated on an individual basis, specifically considering the soft tissue injury, the anatomical location of the injury and any involvement of joints. The specific weapon or muzzle velocity are not of prime importance, and classifications should not be based on these.
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Complaints regarding, and morbidity of, osteoporosis are caused by fractures which are associated with pain and decrease of physical function, social function, and well-being. These are aspects of quality of life. Health-related quality of life covers physical, mental, and social well-being. Quality of life may be measured for evaluation of treatment effects in clinical trials, for the assessment of the burden of the disease of osteoporosis, and for estimates of the cost-effectiveness of different treatment scenarios in health care policy. Quality of life has been measured in patients with osteoporosis with generic questionnaires such as SF-36 and EQ-5D, which can be used in many diseases, or with one of the six available osteoporotic-specific questionnaires, e.g., Qualeffo-41 or OPAQ. Every questionnaire has to be validated to assess psychometric properties and discrimination power between patients with osteoporosis and control subjects. The value attached to specific health states (utility) can be assessed with some generic instruments or by systematic questioning of the patient, e.g., the time-trade-off method. This results in one value for health status ranging from 0 (death) to 1 (perfect health). Utility values can be used to calculate loss of quality-adjusted life years (QALY). Most data have been obtained in patients with prevalent vertebral fractures. Scores of specific and generic questionnaires showed significant loss of quality of life with prevalent vertebral fractures. In addition, studies with Qualeffo-41 and OPAQ showed a deteriorating quality of life with increasing number of vertebral fractures. Lumbar fractures had more impact on quality of life than thoracic fractures. Incident vertebral fractures were also associated with a decrease of quality of life especially in the physical function domain. This applied to clinical incident vertebral fractures as well as to subclinical fractures to a lesser degree. Loss of quality of life following hip fracture has been documented with generic and osteoporosis-specific questionnaires. A considerable loss was observed in the 1st year with some improvement in the 2nd year, but not to baseline values. Quality of life depended on comorbidity, mobility, activities of daily life (ADL)-independence, and fracture complaints. Utility loss has been observed following hip fracture, especially disabling hip fracture, hip and vertebral fracture combined, or multiple vertebral fractures. Utility following osteoporotic fractures has been valued by patients, the healthy elderly, and panels of experts. The healthy elderly gave the worse quality-of-life scores (lower utility) to various hip fractures than patients with hip fractures themselves. In conclusion, suitable instruments exist for measuring quality of life in patients with osteoporotic fractures. These instruments are useful for clinical trials and for assessment of the burden of disease.