期刊
PHOTOACOUSTICS
卷 31, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.pacs.2023.100511
关键词
Liver; Indocyanine green; Photoacoustic imaging
Liver function reserve (LFR) is crucial in liver disease patients. The standard method for LFR evaluation is indocyanine green (ICG) clearance test, which can be performed using spectrophotometry or pulse dye densitometry (PDD). This study compared the accuracy of photoacoustic imaging (PAI) and PDD for LFR assessment in healthy volunteers, using spectrophotometry as the reference standard. The results showed a strong correlation between PAI and spectrophotometry (r = 0.9649, p < 0.0001). There was no significant difference in ICG clearance between PAI and spectrophotometry. These findings suggest that PAI could be a valuable noninvasive and accurate diagnostic tool for LFR assessment in humans.
Liver function reserve (LFR) plays an extensive and important role in patients with liver disease. Indocyanine green (ICG) clearance test is the standard diagnostic approach for LFR evaluation which was performed by spectrophotometry or pulse dye densitometry (PDD). Spectrophotometry is the gold standard, it's invasive and not real-time. PDD is non-invasive, but accuracy of PDD is controversial. Taken spectrophotometry as the reference standard, this study investigated the accuracy of photoacoustic imaging (PAI) method for LFR assessment and compared to PDD in healthy volunteers. The results demonstrated a strong correlation between PAI method and spectrophotometry (r = 0.9649, p < 0.0001). No significant difference was shown in ICG clearance between PAI and spectrophotometry method (rate constant k1 vs. k2, 0.001158 +-0.00042 vs. 0.001491 +- 0.00045, p = 0.0727; half-life t1 vs. t2, 601.2 s vs. 474.4 s, p = 0.1450). These results indicated that PAI may be valuable as a noninvasive, accurate diagnostic tool for LFR assessment in human.
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