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首页> 美国卫生研究院文献>International Journal of Burns and Trauma >Regional tissue oxygen saturation measured by near-infrared spectroscopy to assess the depth of burn injuries
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Regional tissue oxygen saturation measured by near-infrared spectroscopy to assess the depth of burn injuries

机译：用近红外光谱仪测量局部组织氧饱和度以评估烧伤深度

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The burn severity depends on the wound depth and area affected. Hitherto burn depth has been judged mainly by visual observation, although concerns have been raised about its validity. The regional tissue blood flow (rTBF) measured by laser Doppler imaging (LDI) in damaged tissue correlates with the depth. However, very few reports are available on the significance of the regional tissue oxygen saturation (rSO2) as an indicator of burn depth. We investigated whether rSO2 by Near-infrared spectroscopy (NIRS) in burn injuries correlates with rTBF by LDI, which would facilitate quantification of the severity of the tissue damage. Methods: We measured rTBF and rSO2 in 50 lesions from 14 patients of burn injury within 24 hours after injury. The correlation between rTBF and rSO2 was evaluated by Spearman rank correlation analysis. Results: The rSO2 (%; range, 52-82) by NIRS and the rTBF (perfusion unit; range, 61-704) by LDI in burn lesions were positively correlated (r=0.755, p<0.001). This statistically positive correlation still remained significant (r=0.678, p<0.001) after the rSO2 values were standardized. Conclusion: This study suggests that NIRS determination of rSO2 in burn injuries shows promise as a reliable and quick method to estimate the depth of burn lesion.
机译：烧伤的严重程度取决于伤口的深度和受影响的区域。迄今为止，烧伤深度主要通过肉眼观察来判断，尽管人们对其有效性提出了关注。通过激光多普勒成像（LDI）测量受损组织中的局部组织血流量（rTBF）与深度相关。但是，关于局部组织氧饱和度（rSO2）作为烧伤深度指标的重要性的报道很少。我们调查了近红外光谱法（NIRS）在烧伤中的rSO2是否与LDI的rTBF相关，这将有助于量化组织损伤的严重程度。方法：我们在受伤后24小时内对14位烧伤患者的50个病变中的rTBF和rSO2进行了测量。 rTBF和rSO2之间的相关性通过Spearman秩相关分析进行评估。结果：NIRS的rSO2（％；范围52-82）和LDI的rTBF（灌注单位；范围61-704）与烧伤病变呈正相关（r = 0.755，p <0.001）。 rSO2值标准化后，这种统计上的正相关仍然保持显着（r = 0.678，p <0.001）。结论：这项研究表明，NIRS对烧伤中rSO2的测定显示出有望作为一种可靠，快速的方法来评估烧伤病变的深度。

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