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Super-Resolution Imaging of Urethral Vasculature in Female Pigs: Validation of Clinical Feasibility and Accuracy
  • +4
  • Xia Wang,
  • Chen Hua,
  • Kai Sheng,
  • Zhiming Xu,
  • Rui Zhang,
  • Tao Ying,
  • Yuanyi Zheng
Xia Wang
Shanghai Jiao Tong University
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Chen Hua
Shanghai Jiao Tong University
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Kai Sheng
Shanghai Jiao Tong University
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Zhiming Xu
Shanghai Jiao Tong University
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Rui Zhang
Shanghai Jiao Tong University
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Tao Ying
Shanghai Jiao Tong University
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Yuanyi Zheng
Shanghai Sixth People's Hospital

Corresponding Author:ch.hua@sjtu.edu.cn

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Abstract

The efficacy and reliability of super-resolution (SR) imaging for evaluating urethral vasculature (UV) in females remains uncertain. This study evaluates the Super Resolution for Greater Accuracy and Resolution (SUGAR) method, an SR modality, for visualizing UV in female pigs within clinical ultrasound settings, aiming to establish its clinical feasibility and accuracy for potential human application. Female pigs (40-45 kg) were used to investigate UV blood flow dynamics, with data collected via a handheld ultrasound probe at 100 fps. The images were processed using SUGAR to achieve a resolution of 30 μm and validated against computed tomography angiography (CTA) and histopathological analyses. SUGAR demonstrated superior capability in visualizing urethral blood flow compared to CTA, allowing for detailed multiparametric analysis of UV, including fractal dimension, vessel density, tortuosity, diameter, and blood flow velocity. Strong correlations between SUGAR imaging and histopathological findings underscore its potential clinical applicability for diagnosing and managing urological conditions in humans.
06 Jun 2024Submitted to View
12 Jun 2024Submission Checks Completed
12 Jun 2024Assigned to Editor
17 Jun 2024Reviewer(s) Assigned
27 Aug 2024Review(s) Completed, Editorial Evaluation Pending
27 Aug 2024Editorial Decision: Revise Major
25 Sep 20241st Revision Received
28 Sep 2024Submission Checks Completed
28 Sep 2024Assigned to Editor
28 Sep 2024Review(s) Completed, Editorial Evaluation Pending
29 Sep 2024Reviewer(s) Assigned