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KMID : 0385920150260010076
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Journal of the Korean Society of Emergency Medicine
2015 Volume.26 No. 1 p.76 ~ p.82
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Relation between Inferior Vena Cava Collapsibility and Central Venous Pressure
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Lee Byung-Chan
Kim Jung-Youn
Hong Yun-Sik
Choi Sung-Hyuk
Yoon Young-Hoon
Moon Sung-Woo
Lee Sung-Woo
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Abstract
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Purpose: For evaluation of volume status in the emergency department, central venous pressure (CVP) measurement is a standard practice. However, this is an invasive method. Measuring inferior vena cava (IVC) size through ultrasound is promising as a non-invasive method. However, few stud-ies have been reported in Korea. Therefore this study mea-sured IVC size and collapsibility in order to examine the clinical usefulness.
Methods: In a prospective study setting, IVC size was measured with ultrasound for patients whose CVP was measured in the emergency department. IVC size of healthy applicants was measured.
Results: The healthy group included 100 people: 68 men and 32 women. The average IVC size of men was 1.8±0.4 cm and that of women was 1.8±0.3 cm. For collapsibility, men were 0.28±0.14 and women were 0.23±0.14, thus there was no statistical difference in size and collapsibility between men and women. The patient group included 51 people, average age was 59.9±18.5, and 28 (54.9%) were men. This group showed a significant negative correlation between CVP and collapsibility. IVC Max was 1.7±0.5 cm, IVC Min was 1.2±0.5 cm, median collapsibility was 0.26 0.15-0.38), mean lactate was 6.4±4.4 mmol/L, and medi-an CVP was 10.0 (1.0-14.5) cmH2O.
Conclusion: IVC collapsibility can be used as a reference measure, or even instead of CVP in certain cases.
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KEYWORD
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Central venous pressure, Inferior vena cava, Ultrasonography
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