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首页> 外文期刊>Burns: Including Thermal Injury >Reprint of: Burn wound healing time assessed by laser Doppler imaging. Part 2: Validation of a dedicated colour code for image interpretation
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Reprint of: Burn wound healing time assessed by laser Doppler imaging. Part 2: Validation of a dedicated colour code for image interpretation

机译：转载：通过激光多普勒成像评估烧伤创面愈合时间。第2部分：验证用于图像解释的专用颜色代码

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Introduction: Laser Doppler imaging (LDI) has been investigated and used since 1993 for the assessment of burn wounds. Here we describe tests that validate use of the dedicated colour palette, derived in Part 1, for a standardised interpretation of LDI images for prediction of healing time (<14 days, 14-21 days or >21 days). We also describe clinical and technical factors to be taken into account during LDI imaging and during image interpretation. Methods: (1) A cohort of images, selected at random, were assessed, according to strict rules of interpretation, by 6 clinicians against photographs of healing, for accuracy of healing time prediction and clinical usefulness using five-point scales. (2) All images were assessed technically in a similar way for accuracy and the accuracy was further studied by analysing the data by ordinal logistic regression to predict the dependence of burn injury healing time on demographic variables (age, sex, race, %TBSA, burn injury cause and site). (3) Where average LDI blood flow could be determined, regression analysis was used to assess the potential accuracy of the technique. Results: (1) Clinical accuracy was found to be 93% and usefulness was 89%; (2) technical accuracy was found to be 96%; (3) regression analysis found that a potential accuracy of 90.9% could be achieved using LDI results alone, increasing to 92% if gender was also considered; no other parameters had an influence on healing time prediction. Conclusion: LDI can be used in a standardised way as a valid tool for improving on clinical assessment of burn wounds. This can enable earlier appropriate management.
机译：简介：自1993年以来，已经对激光多普勒成像（LDI）进行了研究并用于评估烧伤创面。在这里，我们描述测试，这些测试可验证使用第1部分中衍生的专用调色板进行LDI图像的标准化解释以预测愈合时间（<14天，14-21天或> 21天）。我们还描述了在LDI成像和图像解释期间要考虑的临床和技术因素。方法：（1）根据严格的解释规则，由6位临床医生针对愈合照片评估随机选择的一组图像，以使用五点量表对愈合时间预测的准确性和临床实用性进行评估。 （2）所有技术图像均以相似的方式进行准确性评估，并通过序数逻辑回归分析数据来进一步研究准确性，以预测烧伤愈合时间对人口统计学变量（年龄，性别，种族，％TBSA，烧伤的原因和部位）。 （3）在可以确定平均LDI血流的地方，使用回归分析评估该技术的潜在准确性。结果：（1）临床准确性为93％，有效率为89％; （2）技术准确性为96％; （3）回归分析发现，仅使用LDI结果就可以达到90.9％的潜在准确性，如果还考虑性别，则可以提高到92％;没有其他参数影响愈合时间的预测。结论：LDI可以标准化使用，作为改善烧伤创面临床评估的有效工具。这样可以启用较早的适当管理。

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