基于人工智能构建影像增强检查静脉穿刺位点定位模型的临床研究
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邓虹,副主任护师,研究方向:影像护理,E-mail: dengh53@mail.sysu.edu.cn |
Copy editor: 林燕薇
收稿日期: 2025-09-08
网络出版日期: 2025-10-28
基金资助
国家自然科学基金(62276277)
北京医学奖励基金会课题(YXJL-2024-0350-0261)
Clinical study of construction of artificial intelligence-based localization model for venous puncture sites in contrast-enhanced imaging examination
Received date: 2025-09-08
Online published: 2025-10-28
目的 探讨基于人工智能的影像增强检查静脉穿刺位点选择的科学性,并对其进行临床效能评价。方法 采用前瞻性观察性研究,收集2025年6月25日至2025年7月11日在中山大学孙逸仙纪念医院及中山大学孙逸仙纪念医院深汕中心医院接受影像增强检查患者,参考《影像增强检查外周静脉通路三级评价査检表》指标进行汇总分析,采集多模态数据建立智能化数据预处理框架,构建基于人工智能的影像增强检查静脉穿刺位点定位模型。以放射科有5年以上工作经验护士确认过的、成功率较高的穿刺点为金标准,评估人工智能定位模型推荐的穿刺位点与金标准之间的吻合程度。结果 共纳入433例患者,低危组380例,高危组53例。基于人工智能的定位模型的Dice系数与交并比(IoU)分别为0.593 1与0.496 8,整体准确率达到0.967 1。在低危组中的Dice系数与IoU分别为0.617 8 和0.506 9,召回率达到0.791 2,MLE分数为68.07;在高危组中的Dice系数与IoU分别为0.553 1与0.478 2,召回率为0.702 4,MLE分数为64.18。低危组与高危组的Dice系数、IoU、准确率、召回率和MLE分数比较差异均有统计学意义(均P < 0.001)。年龄分层分析中,青年组、中年组、中老年组的Dice系数分别为0.581 0、0.659 8、0.629 2, IoU分别为0.456 3、0.502 1、0.529 8,准确率均超过0.95,召回率分别为0.635 0、0.759 1、0.710 4;老年组的Dice系数和IoU分别为0.550 6与0.524 7,准确率为0.946 3,召回率为0.670 1;各项指标的组间两两比较差异均有统计学意义(均P < 0.05)。结论 本研究所建立的基于人工智能的定位模型可以有效提升穿刺点定位鲁棒性,提供具有临床直觉的一致性解释,为高效、安全地选择静脉穿刺位点提供指导方案。
邓虹 , 黄镇伟 , 许彦君 , 张园园 , 王昌栋 , 杨泽宏 . 基于人工智能构建影像增强检查静脉穿刺位点定位模型的临床研究[J]. 新医学, 2025 , 56(10) : 968 -976 . DOI: 10.12464/j.issn.0253-9802.2025-0263
Objective To evaluate the scientificity of artificial intelligence (AI)-based localization model for venous puncture sites in contrast-enhanced imaging examination and evaluate its clinical efficacy. Methods A prospective observational study was conducted. A total of 433 patients who underwent contrast-enhanced imaging examination at Sun Yat-sen Memorial Hospital of Sun Yat-sen University and Shenshan Central Hospital of Sun Yat-sen Memorial Hospital of Sun Yat-sen University from June 25 to July 11, 2025 were collected. Data were summarized and analyzed with reference to the indicators in the standardized application of a three-level evaluation model for inspecting peripheral venous access through image enhancement. Multimodal data were collected to establish an intelligent data preprocessing framework and develop an AI-based localization model for venous puncture sites in contrast-enhanced imaging examination. Taking the puncture sites confirmed by nurses with more than 5 years of working experience in Radiology Department as the gold standard, the degree of agreement between the puncture sites recommended by the AI-based localization model and the gold standard was evaluated. Results Among 433 patients, 380 cases were allocated into the low-risk group and 53 into the high-risk group. The Dice coefficient and Intersection over Union (IoU) of the AI-based localization model were 0.593 1 and 0.496 8, respectively, with an overall accuracy of 0.967 1. In the low-risk group, the Dice coefficient and IoU were 0.617 8 and 0.506 9, the recall rate reached 0.791 2, and the MLE score was 68.07, respectively. In the high-risk group, the Dice coefficient and IoU were 0.553 1 and 0.478 2, the recall rate was 0.702 4, and the MLE score was 64.18, respectively. There were significant differences in the Dice coefficient, IoU, accuracy rate, recall rate and MLE score between the low-risk and high-risk groups (all P < 0.001). In the age stratification analysis, the Dice coefficients in the youth, middle-aged and middle-aged groups were 0.581 0, 0.659 8 and 0.629 2, and the IoU was 0.456 3, 0.502 1 and 0.529 8, the accuracy rates exceeded 0.95 and the recall rates were 0.635 0, 0.759 1 and 0.710 4, respectively. The Dice coefficient and IoU in the elderly group were 0.550 6 and 0.524 7, the accuracy rate was 0.946 3 and recall rate was 0.670 1, respectively. There was statistical significance in each index between any of two groups (all P < 0.05). Conclusion The AI-based localization model established in this study can effectively improve the robustness of puncture site localization, provide consistent explanations aligned with clinical intuition, and offer an efficient, safe guidance regimen for selecting venous puncture sites.
感谢中山大学孙逸仙纪念医院放射科护理团队冯艳冰主管护师、王一凡护师、唐杏萍护师、彭燕丽护师、冯舒丽护师,中山大学孙逸仙纪念医院深汕中心医院放射科黄加奕主治医师、黄艳琳主管护师在数据收集过程中的鼎力相助。
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