Infrared Thermography of the Pig Thorax: An Assessment of Selected Regions of Interest by Computed Tomographical and Anatomical Parameters
Infrared Thermography of the Pig Thorax: An Assessment of Selected Regions of Interest by Computed Tomographical and Anatomical Parameters
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猪胸部红外热成像：通过计算机断层扫描和解剖参数评估选定的感兴趣区域
DOI：
10.1111/ahe.12115
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发表时间：
2014
期刊：
影响因子：
--
通讯作者：
Hennig-Pauka
中科院分区：
文献类型：
--
作者：
Menzel;Siewert;Seifert;Hoeltig;Hennig-Pauka
目前诊断猪呼吸道疾病的方法是侵入性的，耗时且昂贵。胸部红外热像图（IRT）可能提供一种高特异性的新方法，以选择患有肺部改变的猪进行进一步诊断。在这项研究中，不同组织的层厚度测定冷冻胸部切片（FTS）的计算机断层扫描（CT），然后与皮肤温度的IRT测量健康猪。目的是确定适当的感兴趣区域（ROI），以评价IRT图像。在CT图像中测量的器官层厚度与在FTS中测量的器官层厚度一致。肺ROI和腹部ROI之间的温度差在某些局部与肺层厚度呈正相关，与胸壁和内部器官层的厚度呈负相关。为胸部的两个ROI建立了皮肤温度之间差异的参考值，其具有用于肺健康状态确定的潜在实际用途。各个ROI位于穿过第7（右）和第10（左）胸椎的垂直线上。肋骨的存在显著影响皮肤温度。
Current methods of diagnosis of respiratory diseases in swine are invasive, time‐consuming and expensive. Infrared thermography (IRT) of the thorax might provide a new method of high specificity to select swine affected with lung alterations for further diagnostics. In this study, layer thickness of different tissues was determined in frozen thorax slices (FTS) by computed tomography (CT) and then related to skin temperatures measured by IRT in healthy pigs. The aim was to determine appropriate regions of interest (ROI) for evaluation of IRT images. Organ layer thicknesses measured in CT images correspond to those measured in FTS. Temperature differences between lung ROIs and abdomen ROIs were positively correlated with lung layer thickness at certain localizations, and negatively correlated with the thickness of the thorax wall and of inner organ layers. Reference values of differences between skin temperatures were established for two ROIs on the thorax with potential practical use for lung health status determination. Respective ROIs were located on vertical lines crossing the 7th (right) and the 10th (left) thoracic vertebrae. The presence of ribs affected skin temperature significantly.
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