ArticlePhotoacoustics2025
Dual-modality ultrasound/photoacoustic tomography for mapping tissue oxygen saturation distribution in intestinal strangulation.
Article in Photoacoustics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Quantitative assessment of gastrointestinal motility in neonatal rats by real-time 3D photoacoustic imaging: A feasibility study.Photoacoustics · 2026Article
- Quantitative evaluation of key factors influencing hepatic oxygen saturation measurement by photoacoustic imaging in mice.Quantitative imaging in medicine and surgery · 2026Article
- Mapping the research landscape of photoacoustic imaging in breast cancer: a text-based bibliometric analysis.Gland surgery · 2026Article
- Review of Linear-Array-Transducer-Based Volumetric Ultrasound Imaging Techniques and Their Biomedical Applications.Bioengineering (Basel, Switzerland) · 2025Review
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Authors and funding
10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The strangulation of intestinal obstruction (IO) presents challenges in the assessment of disease progression and surgical decision-making. Intraoperatively, an accurate evaluation of the status of the IO is critical for determining the extent of surgical resection. Dual-modality ultrasound/photoacoustic tomography (US/PAT) imaging has the potential to provide spatially resolved tissue oxygen saturation (SO₂), serving as a valuable marker for IO diagnosis. In this study, US/PAT was utilized for imaging rat models of IO, with the data used for reconstruction, statistical analysis, and distribution evaluation. Results showed that SO₂ decreased with increasing strangulation severity. Notably, the kurtosis and skewness of the SO₂ distribution outperformed SO₂ itself in diagnosis, as they more effectively capture the heterogeneity of SO₂ distribution. Kurtosis reflects distribution concentration, while skewness measures asymmetry, both achieving areas under the receiver operating characteristic curve (AUROC) of 0.969. In conclusion, US/PAT offers a rapid and convenient method for assessing strangulation in IO.
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