通讯作者: 王宏智, whz@medmail.com.cn

DOI：10.12201/bmr.202408.00020

Comparative study of CT measurement of adult kidney depth estimation formula

• 摘要：目的 分析不同肾脏深度估算公式与CT实测肾脏深度的一致性,探讨更适用本地区的肾脏深度计算公式。方法 本研究回顾性纳入2019年1月至2024年1月在本院进行肾动态显像的成人患者,获取同期腹部CT影像资料,记录患者性别、年龄、身高及体重,通过CT测量患者身体厚度及肾脏深度。利用七种估算公式(Tonnesen公式、李乾公式、Taylor公式、Inoue公式、Xue JJ公式、李氏方程及Ma G’S公式)估算肾脏深度,将公式计算所得肾脏深度与CT实测肾脏深度之间进行配对样本t检验、Pearson相关性分析和Bland-Altman一致性分析。结果 本研究最终共纳入符合标准的患者213例。统计结果显示七种估算公式计算的肾脏深度与CT实测值之间均存在相关性且七种公式计算所得肾脏深度均低于CT实测值。相关性分析结果显示MA G’S公式与CT测量值的相关性优于其他方程,Tonnesen公式与Inoue公式的相关系数一致。Tonnesen公式计算的肾脏深度与CT实测值之间的偏倚最大,MA G’S公式计算肾脏深度与CT实测值之间偏倚最小。结论 MA G’S公式计算肾脏深度与CT实测值相关系数最大,偏差范围小,优于其他六种公式,值得临床推广使用。

  关键词： 肾脏深度; 估算公式; 肾动态显像; 肾小球滤过率

   

  Abstract: Objective To analyze the consistency between different kidney depth calculation formulas and actualSCT measurements, and to explore a more suitable kidney depth calculation formulas. Methods Adult patients who underwent renal dynamic imaging in our hospital from January 2019 to January 2024 were retrospectively included in this study. The abdominal CT image data of the same period were obtained, and the gender, age, height and weight were recorded. The patients body thickness and kidney depth were measured by CT. Seven calculation formulas (Tonnesen formula, Li Qian formula, Taylor formula, Inoue formula, Xue JJ formula, Lis equation and Ma Gs formula) were used to estimate the kidney depth. Paired sample t-test, Pearson correlation analysis and Bland Altman consistency analysis were performed between the kidney depth calculated by the equation and the kidney depth measured by CT. Results A total of 213 patients were finally included in this study. The statistical results showed that there was a correlation between the estimated values calculated by the calculation formulas and actual CT measurements, and the kidney depth calculated by the seven formulas was lower than the CT measurements. The results of correlation analysis showed that the correlation coefficient between MA Gs formula and CT measurements was better than other formulas, and the correlation coefficients of Tonnesen formula and Inoue formula were consistent. The bias between the kidney depth calculated by Tonnesen formula and the CT measured value is the largest, and the bias between the kidney depth calculated by MA Gs formula and the CT measured value is the smallest. Conclusion The correlation coefficient between kidney depth calculated by MA Gs formula and CT measured value is the largest, and the deviation range is small, which is better than the other six formulas. It is worth popularizing in clinic.

  Key words: Renal depth; Calculation formula; Renal dynamic imaging; Glomerular filtration rate

  提交时间：2024-08-12

  版权声明：作者本人独立拥有该论文的版权，预印本系统仅拥有论文的永久保存权利。任何人未经允许不得重复使用。
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• 序号	提交日期	编号	操作
  1	2024-06-25	bmr.202408.00020V1	下载

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