KMID : 0368120150450060486
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Korean Circulation Journal 2015 Volume.45 No. 6 p.486 ~ p.491
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The Clinical Impact of Bedside Contrast Echocardiography in Intensive Care Settings: A Korean Multicenter Study
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Hwang Hui-Jeong
Sohn Il-Suk Kim Woo-Shik Hong Geu-Ru Choi Eui-Young Rim Se-Joong Lee Sang-Chol Chung Wook-Jin Choi Jung-Hyun Seo Hye-Sun Yoon Se-Jung Cho Kyoung-Im Kim Hyung-Seop Yoon Hyun-Ju
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Abstract
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Background and Objectives: We assessed the ability of portable echocardiography (with contrasts) to clearly delineate the cardiac structure, and evaluated the impact of its use on the diagnosis and management of critically ill patients in Korea.
Subjects and Methods: We prospectively enrolled 123 patients (mean age 66¡¾16 years), who underwent portable transthoracic echocardiography (with contrast) for image enhancement at 12 medical centers. The quality of the global left ventricular (LV) images, the number of the regional LV segments visualized, the ability to visualize the LV apex and the right ventricle (RV), and any changes in the diagnostic procedure and treatment strategy were compared before and after the contrast.
Results: Of the 123 patients, 52 (42%) were using mechanical ventilators. The amount of poor or uninterpretable images decreased from 48% to 5% (p<0.001), after the contrast. Before the contrast, 15.6¡¾1.1 of 16 LV segments were seen, which improved to 15.9¡¾0.6 segments (p=0.001) after the contrast. The ability to visualize the LV apex increased from 47% to 94% (p<0.001), while the inability to clearly visualize the RV decreased from 46% to 19% (p<0.001). Changes in the diagnostic procedure (for example, not requiring other types of imaging studies) were observed in 18% of the patients, and the treatment plan (medication) was altered in 26% of patients after the contrast echocardiography.
Conclusion: The use of a contrast agent during the portable echocardiography, in intensive care settings, can improve the image quality and impact the diagnostic procedures and treatment for Korean patients.
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KEYWORD
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Echocardiography, Intensive care
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