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논문 기본 정보

자료유형
학술저널
저자정보
Ki Duk Kim (Department of Surgery Kyung Hee University Hospital at Gangdong School of Medicine Kyung Hee Univer) Hyangkyoung Kim (Department of Surgery Kyung Hee University Hospital at Gangdong School of Medicine Kyung Hee Univer) Sungsin Cho (Department of Surgery Kyung Hee University Hospital at Gangdong School of Medicine Kyung Hee Univer) Seung Hwan Lee (Department of Surgery Kyung Hee University Hospital at Gangdong School of Medicine Kyung Hee Univer) Jin Hyun Joh (Department of Surgery Kyung Hee University Hospital at Gangdong School of Medicine Kyung Hee Univer)
저널정보
대한혈관외과학회 Vascular Specialist International Vascular Specialist International Vol.38 No.4
발행연도
2022.12
수록면
34 - 34 (1page)
DOI
10.5758/vsi.220046

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Purpose: Arterial stiffness and steno-occlusion of the lower-extremity can result from many vascular lesions, including acute thromboembolisms, soft plaques, calcified plaques, or inflammatory disease. Ultrasound (US) elastography measures the tissue deformation response to compression and displays tissue stiffness. This study aimed to evaluate the characteristics of arterial lesions in the lower extremities using US elastography. Materials and Methods: We retrospectively analyzed the data of 20 patients who visited our institute for arterial disease treatment between May 2016 and November 2017. An US examination with B-mode and strain elastography (SE) was performed of four different lesion types at 45 sites: acute and subacute thromboembolisms, soft plaques, calcified plaques, and thromboangiitis obliterans lesions (TAOs). During SE, stress was externally applied by the operator using the transducer. Strain ratio (SR) was calculated as the fraction of the average strain in the reference area divided by the average strain in the lesion. The SR was compared among different lesion types, with the accompanying vein as the reference region of interest. Results: The strain was highest in the soft plaques (0.63%±0.23%), followed by the TAOs (0.45%±0.11%), calcified plaques (0.44%±0.13%), and acute thromboembolisms (0.34%±0.23%), which were statistically significant (P=0.026). However, the mean SR was highest for the calcified plaques (2.33%±0.80%), followed by the TAOs (1.63%±0.40%), acute thromboembolisms (1.60%±0.48%), and soft plaques (1.51±0.39), and which were statistically significant (P=0.013). Conclusion: Despite several limitations, vascular elastography may be useful for differentiating between lesion types in peripheral arterial disease.

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