仿真滤线栅及图像增强后处理算法用于改善儿童低剂量X线片图像质量  

SimGrid and S-Enhance post processing algorithm for improving image quality of low-dose X-ray films in children

作　　者：薛丽荣 王中秋 李姝[2] 杨明[2] 郭斌[2] 荀冲 XUE Lirong;WANG Zhongqiu;LI Shu;YANG Ming;GUO Bin;XUN Chong(Department of Radiology,Affiliated Hospital of Nanjing University of Chinese Medicine,Nanjing 210000,China;Department of Radiology,Children’s Hospital of Nanjing Medical University,Nanjing 210008,China)

机构地区：[1]南京中医药大学附属医院放射科,江苏南京210000 [2]南京医科大学附属儿童医院放射科,江苏南京210008

出　　处：《中国介入影像与治疗学》2024年第2期105-109,共5页Chinese Journal of Interventional Imaging and Therapy

摘　　要：目的 观察以仿真滤线栅(SG)和图像增强(SE)改善儿童低剂量X线片图像质量的价值。方法 回顾性分析344例接受410次床旁X线检查的重症监护病房患儿资料,包括290幅胸部平片、51幅腹部平片及69幅胸腹联合平片;分别以SG和SE对图像进行后处理,评估后处理图像质量。结果 410幅SG后处理图像中,2分250幅、1分147幅、0分13幅;SG可显著改善年龄≥1岁和体质量≥10 kg患儿图像质量(P均<0.05),且显示骨骼、气管、外周血管、异物、腰大肌和肠道气体效果较好(P均<0.05)。410幅SE后处理图像中,2分250幅、1分58幅、0分102幅;SE可显著改善年龄≥0.5岁和体质量>4 kg患儿图像质量(P均<0.05),且显示骨骼、气管、大血管、外周血管、心脏后血管和异物效果较好(P均<0.05)。结论 SG可显著改善低剂量X线片显示年龄≥1岁和体质量≥10 kg儿童骨骼、气管、外周血管、异物、腰大肌和肠道气体的质量,而SE则可改善显示年龄≥0.5岁和体质量>4 kg儿童骨骼、气管、大血管、外周血管、心脏后血管和异物的质量。Objective To observe the value of SimGrid(SG)and S-Enhance(SE)for improving image quality of low-dose X-ray films in children.Methods Data of 344 children in intensive care unit who underwent 410 times bedside X-ray examinations,including 290 times of chest X-ray,51 of abdominal X-ray and 69 of chest and abdominal combined X-ray were enrolled.SG and SE were respectively used for post-processing,and the quality of post-processed images were analyzed.Results Among 410 SG post-processing images,250 images were classified as 2-point,147 as 1-point and 13 as 0-point.SG could significantly improve image quality of children≥1 year and body mass≥10 kg(all P<0.05),with better ability for displaying bones,trachea,peripheral blood vessels,foreign objects,psoas major muscle and intestinal gas(all P<0.05).Among 410 SE post-processing images,250 images were classified as 2-point,58 as 1-point and 102 of 0-point.SE could significantly improve image quality of children≥0.5 years and with body mass>4 kg(all P<0.05),with better ability for displaying bones,trachea,large blood vessels,peripheral vessels,heart posterior blood vessels and foreign objects(all P<0.05).Conclusion SG could significantly improve displaying of bones,trachea,peripheral blood vessels,foreign objects,psoas major muscle and intestinal gas in children≥1 year and body mass≥10 kg,while SE could improve displaying of bones,trachea,large blood vessels,peripheral blood vessels,heart posterior blood vessels and foreign objects in children aged≥0.5 years and body mass>4 kg on low-dose X-ray films.

关 键 词：儿童 X线 图像处理 计算机辅助 图像质量 

分 类 号：R72[医药卫生—儿科] R814[医药卫生—临床医学]