Evaluation of validity and reliability of novel rapid measurement for infundibulopelvic angle: a comparison with PACS system.

IF 2.9 3区医学 Q3 ENGINEERING, BIOMEDICAL

Expert Review of Medical Devices Pub Date : 2023-07-01 Epub Date: 2023-08-03 DOI:10.1080/17434440.2023.2243215

Gaojie Zhang, Qiao Xu, Yongbo Zheng, Yu Jiang, Yueqiang Peng, Linfeng Wang, Siwei Ding, Jiayu Liu

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引用次数: 1

Abstract

Background: For patients with lower pole renal calculi (LPC), preoperative evaluation of infundibulopelvic angles (IPA) is of great significance; however, conventional measuring method is often inconvenient in clinical setting. Here we introduce a rapid novel method using built-in inclinometer in smartphone which is often used in anatomical parameters evaluating to implement the measurement of IPA.

Materials and methods: The randomized, self-controlled study on evaluating inclinometer application measured IPA on urography films collected from enrolled LPC patients. Results of statistical analysis for its validity and reliability compared to conventional PACS system are reported. Predictive performance of postoperative stone-free rates by IPA measured with the novel method was also evaluated in this study.

Results: Bland-Altman plot result shows that there is favorable agreement between IPA values of these two methods. The time required to utilize the PACS was considerably greater than time required to take similar measure using smartphones. The precision-recall curve (PRC) indicates that the new method has similar predictive performance for postoperative clearance rates as PACS.

Conclusions: In summary, measurement of IPA implemented by integrated inclinometer of smartphone is rapid, convenient, accurate and reliable in evaluating renal anatomy parameters of LPC patients.

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一种新的漏斗脑室角快速测量方法的有效性和可靠性评估：与PACS系统的比较。

背景：对于下极肾结石（LPC）患者，术前评估漏斗肾盂角（IPA）具有重要意义；然而，传统的测量方法在临床环境中往往不方便。在这里，我们介绍了一种在智能手机中使用内置测斜仪的快速新方法，该方法通常用于解剖参数评估，以实现IPA的测量。材料和方法：评估测斜仪应用的随机、自我对照研究，在从入组LPC患者收集的尿路造影片上测量IPA。报告了与传统PACS系统相比其有效性和可靠性的统计分析结果。本研究还评估了用新方法测量的IPA对术后结石清除率的预测性能。结果：Bland-Altman图结果表明，这两种方法的IPA值之间存在良好的一致性。使用PACS所需的时间比使用智能手机采取类似措施所需的更长。精确回忆曲线（PRC）表明，新方法对术后清除率的预测性能与PACS相似。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Expert Review of Medical Devices 医学-工程：生物医学

CiteScore

5.90

自引率

3.20%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal serves the device research community by providing a comprehensive body of high-quality information from leading experts, all subject to rigorous peer review. The Expert Review format is specially structured to optimize the value of the information to reader. Comprehensive coverage by each author in a key area of research or clinical practice is augmented by the following sections: Expert commentary - a personal view on the most effective or promising strategies Five-year view - a clear perspective of future prospects within a realistic timescale Key issues - an executive summary cutting to the author''s most critical points In addition to the Review program, each issue also features Medical Device Profiles - objective assessments of specific devices in development or clinical use to help inform clinical practice. There are also Perspectives - overviews highlighting areas of current debate and controversy, together with reports from the conference scene and invited Editorials.