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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Sonographic estimates of vein size in the lower extremities: subjective assessment compared with direct measurement.
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Sonographic estimates of vein size in the lower extremities: subjective assessment compared with direct measurement.

机译：超声检查下肢静脉大小：主观评估与直接测量相比。

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PURPOSE: We studied whether subjective impression of vein size is a valid means of assessment during sonographic evaluation for deep vein thrombosis. METHODS: Diameter was assessed at 5 predetermined venous segments on 975 legs of 721 patients referred for evaluation for lower extremity deep vein thrombosis. The sonographer recorded a subjective assessment of whether the venous segment was enlarged, normal, or narrowed based on a visual impression of sonographic images obtained without compression. This subjective impression was then compared with the absolute measurements of vein diameter and vein diameter:artery diameter ratio at each segment. RESULTS: A significant correlation was found between the subjective characterization of vein size as enlarged, normal, and narrowed and both the absolute vein diameter and the vein:artery ratio at all 5 segments. CONCLUSIONS: Vein size can be reliably categorized by the subjective impression of experienced sonographers. Therefore, actual measurement of the vein diameter is not necessary in the evaluation for deep vein thrombosis in the majority of patients.
机译：目的：我们研究了在超声检查深静脉血栓形成过程中主观印象静脉大小是否是有效的评估手段。方法：对721名患者的975条腿的5个预定静脉段进行直径评估，以评估下肢深静脉血栓形成。超声医师根据未经压缩而获得的超声图像的视觉印象，记录了静脉段是否增大，正常还是变窄的主观评估。然后将该主观印象与每个部分的静脉直径和静脉直径：动脉直径比的绝对测量值进行比较。结果：在所有5个部分，主观的静脉大小（放大，正常和变窄）与绝对静脉直径和静脉：动脉比率之间存在显着相关性。结论：可以通过经验丰富的超声医师的主观印象可靠地对静脉大小进行分类。因此，在大多数患者的深静脉血栓形成评估中，无需实际测量静脉直径。

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