Fetal Heart Rate and Amniotic Fluid Volume Measurements with a Home Ultrasound Device.

IF 1.5 4区医学 Q3 OBSTETRICS & GYNECOLOGY

American journal of perinatology Pub Date : 2024-12-31 DOI:10.1055/a-2469-0887

Anat Pardo, Shir Nahum Fridland, Or Lee Rak, Emilie Klochendler Frishman, Hadar Zafrir Danieli, Anat Shmueli, Shiri Barbash-Hazan, Arnon Wiznitzer, Asnat Walfisch, Tomer Sela, Leor Wolff, Eran Hadar

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引用次数: 0

Abstract

Objective: Pulsenmore ES is a self-scanning ultrasound (US) system for remote fetal assessment. It comprises a handheld transducer that serves as a smartphone cradle coupled with an application and clinician's web-viewer dashboard. Recently, a novel capability was added to the system allowing offline fetal heart rate (FHR) and maximal vertical pocket (MVP) measurements. The aim of this study was to evaluate these tools for usability and accuracy.

Study design: A prospective, non-randomized, non-blinded clinical study design was used. Pulsenmore ES scans were obtained by non-professional laypersons in app-guided (AG) mode (user follows video tutorials in the application) or clinician-guided (CG) mode (user is guided by a health care professional in a real-time telemedicine visit). The scans were stored on a cloud for later interpretation by a health care professional. Each self-scan was immediately followed by a standard US scan performed by a clinician. The asynchronous FHR and MVP measurements made on the AG and CG scans through the designated dashboard were analyzed and compared with the real-time, in-clinic (INC) measurements.

Results: The cohort included 28 women. Rates of successful utilization of the Pulsenmore tool for measurement of FHR were 84.7 ± 11.24% of scans made in AG mode and 96.3 ± 6.35% of scans made in CG mode. Corresponding values for MVP were 91.7 ± 2.31% and 95.0 ± 1.73%. FHR accuracy (difference from INC values) was 10.8 ± 7.5 beats per minute (bpm; 7.2%) in AG mode and 5.8 ± 5.1 bpm (4%) in CG mode. MVP accuracy was 1.3 ± 1.4 cm (22%) and 0.9 ± 0.8 cm (14%), respectively. Sensitivity (87.5% and 100% in AG and CG modes, respectively) and specificity (95% and 95.5% in AG and CG modes, respectively) were established for MVP.

Conclusion: FHR and MVP measurements obtained from scans captured by the self-operated Pulsenmore ES ultrasound platform are highly accurate and reliable for clinical use relative to standard INC measurements.

Key points: · Pulsenmore ES is a self-scanning US system for remote fetal assessment.. · FHR and MVP can be accurately and remotely measured from home.. · Home US can play a critical role in remote antenatal surveillance..

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使用家用超声设备测量胎儿心率和羊水量。

目的：Pulsenmore ES 是一种用于远程胎儿评估的自扫描超声系统。它由一个手持式传感器、一个智能手机支架、一个应用程序和临床医生的网络浏览器仪表板组成。最近，该系统增加了一项新功能，允许离线测量胎儿心率（FHR）和最大垂直袋（MVP）。本研究旨在评估这些工具的可用性和准确性：研究设计：采用前瞻性、非随机、非盲法临床研究设计。Pulsenmore ES 扫描由非专业人员在应用程序指导（AG）模式（用户按照应用程序中的视频教程操作）或临床医生指导（CG）模式（用户在实时远程医疗访问中由专业医护人员指导）下进行。扫描结果存储在云端，以便日后由专业医护人员进行解读。每次自我扫描后，紧接着由临床医生进行标准超声波扫描。通过指定的仪表板对 AG 和 CG 扫描进行的异步 FHR 和 MVP 测量结果进行了分析，并与在诊所进行的实时测量结果进行了比较：结果：研究对象包括 28 名妇女。使用 Pulsenmore 工具测量 FHR 的成功率在 AG 模式扫描中为 84.7±11.24%，在 CG 模式扫描中为 96.3±6.35%。MVP 的相应值分别为 91.7±2.31% 和 95.0±1.73%。在 AG 模式下，FHR 的准确性（与门诊值的差异）为 10.8±7.5 bpm（7.2%），在 CG 模式下为 5.8±5.1 bpm（4%）；MVP 的准确性分别为 1.3±1.4 厘米（22%）和 0.9±0.8 厘米（14%）。MVP的灵敏度（AG和CG模式分别为87.5%和100%）和特异性（AG和CG模式分别为95%和95.5%）均已确定：结论：与标准的门诊测量相比，通过自行操作的 Pulsenmore ES 超声波平台扫描获得的 FHR 和 MVP 测量值在临床应用中高度准确可靠。

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

American journal of perinatology 医学-妇产科学

CiteScore

5.90

自引率

0.00%

发文量

302

审稿时长

4-8 weeks

期刊介绍： The American Journal of Perinatology is an international, peer-reviewed, and indexed journal publishing 14 issues a year dealing with original research and topical reviews. It is the definitive forum for specialists in obstetrics, neonatology, perinatology, and maternal/fetal medicine, with emphasis on bridging the different fields. The focus is primarily on clinical and translational research, clinical and technical advances in diagnosis, monitoring, and treatment as well as evidence-based reviews. Topics of interest include epidemiology, diagnosis, prevention, and management of maternal, fetal, and neonatal diseases. Manuscripts on new technology, NICU set-ups, and nursing topics are published to provide a broad survey of important issues in this field. All articles undergo rigorous peer review, with web-based submission, expedited turn-around, and availability of electronic publication. The American Journal of Perinatology is accompanied by AJP Reports - an Open Access journal for case reports in neonatology and maternal/fetal medicine.