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논문 기본 정보

자료유형
학술저널
저자정보
Jeanne Hersant (Vascular Medicine University Hospital Center Angers) Pierre Ramondou (Vascular Medicine University Hospital Center Angers) Delphine Douillet (Emergency University Hospital CenterAnger) Stanislas Abrard (Anesthesia and Critical Care Hospices Civils Lyon) Patrick Vandeputte (Vascular Medicine University Hospital Center Angers) François-Xavier Lapébie (Vascular Medicine University Hospital Rangueil Toulouse) Pierre Abraham (MitoVasc Institute UMR CNRS 6015/INSERM 1083 Faculty of Medicine Angers University Angers) Samir Henni (Vascular Medicine University Hospital Center Angers)
저널정보
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.41 No.2
발행연도
2022.4
수록면
373 - 381 (9page)
DOI
10.14366/usg.21175

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Purpose: This study investigated the correlations of hemodynamic parameters measured to quantify stenosis between the gold-standard duplex ultrasonography and the dual-gate Doppler mode.Methods: Patients examined due to suspicion of carotid artery stenosis or for surveillance of known stenosis were invited to participate in this prospective single-center study. Upon acceptance, the hemodynamic characteristics of the carotid arteries were determined successively in standard duplex and dual-gate Doppler modes. The correlations between the two modes were analyzed by computing Pearson coefficients (r<sup>2</sup>) and Lin concordance coefficients (ρ<sub>c</sub>). The degree of agreement between the two methods was visualized using Bland-Altman graphical representations.Results: The correlation between internal carotid artery peak systolic velocity measured by standard duplex ultrasonography and dual-gate Doppler mode was good (r<sup>2</sup>=0.642). The same high level of correlation was observed for the carotid ratio (r<sup>2</sup>=0.544). However, the Bland-Altman graphical representation and the Lin concordance coefficients (ρ<sub>c</sub>=0.75 and ρ<sub>c</sub>=0.74 for the internal carotid artery peak systolic velocity and carotid ratio, respectively) showed that a lack of precision generated some discrepancies between the two measurement methods.Conclusion: Although some discrepancies were observed, the hemodynamic measurements were closely correlated between the two ultrasonography modes. Therefore, the dual-gate Doppler mode may have obvious advantages over conventional ultrasonography, offering interesting development possibilities.

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