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Ȳ»ê¸¶±×³×½·À» ÀÌ¿ëÇÑ Àü½Å¼øȯ½Ã°£ ÃøÁ¤ÀÇ À¯¿ë¼º : ÀüÀÚ¼±´ÜÃþÃÔ¿µÀ» ÀÌ¿ëÇÑ ½Ã°£-Á¶¿µ°î¼±°úÀÇ ºñ±³ Usefulness of Measurement of Circulation Time Using MgSO4 : Correlation with Time-Density Curve Using Electron Beam Computed Tomography

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±èº´±â/Byung Ki Kim ÀÌÈñÁß/ÀÌÁ¾¹Î/±è¿ëÁÖ/°­´ö½Ä/Hui Joong Lee/Jong Min Lee/Yong Joo Kim/Duck Sik kang

Abstract

¸ñÀû: Ȳ»ê¸¶±×³×½·À» ÀÌ¿ëÇÏ¿© ±¸ÇÑ Àü½Å¼øȯ½Ã°£À» ÀüÀÚ¼±´ÜÃþÃÔ¿µ(Electron Beam
computed Tomography)À» ÀÌ¿ëÇÏ¿© ¾òÀº ÃÖ´ëÁ¶¿µÁõ°­½Ã°£°ú ºñ±³ÇÔÀ¸·Î½á Á¶¿µÁõ°­ ¿µ»ó
°Ë»ç¿¡¼­ Ȳ»ê¸¶±×³×½· ÁÖÀÔ¹ýÀÇ À¯¿ë¼ºÀ» ¾Ë¾Æº¸¾Ò´Ù.
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ÀϽÃÁÖ»ç(bolus injection) ÈÄ ÀÎÈÄÀÇ ÀÛ¿­°¨À» ´À³¢´Â ½Ã°£±îÁö¸¦ Àü½Å¼øȯ½Ã°£À¸·Î ÃøÁ¤ÇÏ
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½Å¼øȯ½Ã°£ÀÇ Æò±ÕÀº 17.4ÃÊ(Ç¥ÁØÆíÂ÷ : 3.6ÃÊ) À̾ú´Ù. º¹ºÎ´ëµ¿¸Æ°ú º¹°­µ¿¸Æ¿¡¼­ ¾òÀº ÃÖ
´ëÁ¶¿µÁõ°­½Ã°£ÀÇ Æò±ÕÀº °¢°¢ 17.5ÃÊ(Ç¥ÁØÆíÂ÷ : 3.0ÃÊ). 18.5ÃÊ(Ç¥ÁØÆíÂ÷ : 3.2ÃÊ)À̾ú´Ù. Àü
½Å¼øȯ½Ã°£°ú º¹ºÎ´ëµ¿¸Æ¿¡¼­ÀÇ ÃÖ´ëÁ¶¿µÁõ°­ ½Ã°£»çÀÌÀÇ »ó°ü°è¼ö´Â 0.73(p<0.01)À̾úÀ¸¸ç,
º¹°­µ¿¸Æ¿¡¼­´Â 0.73(p<0.05)À̾ú´Ù.
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#ÃÊ·Ï#
Purpose: To determine the usefulness of MgSO4 for measuring the
systemic circulation time.
Material and Methods: Systemic circulation time, defined as elapsed time from the
injection of MgSO4 solution to the point of pharyngeal burning sensation,
was measured in 63 volunteers. MgSO4 was injected into a superficail
vein of an upper extremity. Using dynamic electron beam computed tomography at the
level of the abdominal aorta and celiac axis, a time-intensity curve was plotted, and for
these two locations, maximal enhancement time was compared.
Results: For 60 of the 63 subjects, both systemic circulation time and maximal
enhancement time were determined. Average systemic circulation time was 17.4(SD:
3.6)secs. and average maximal enhancement times at the level of the abdominal aorta
and celiac axis were 17.5(SD:3.0) secs. and 18.5(SD:3.2) secs., respectively. Correlation
coefficients between systemic circulation time and maximal enhancement time for the
abdominal aorta and celiac axis were 0.73(p<0.01) and 0.73(p<0.05) respectively.
Conclusion: The systemic circulation time demonstrated by MgSO4
injection and maximal enhancement time for the abdominal aorta showed significant
correlation. Thus, to determine the appropriate scanning time in contrast-enhanced
radiological studies, MgSO4 can be used instead of a test bolus study.

Å°¿öµå

Computed tomography(CT); contrast enhancement;

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