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KMID : 1100620220090020101
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Clinical and Experimental Emergency Medicine
2022 Volume.9 No. 2 p.101 ~ p.107
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Association of inferior vena cava diameter ratio with outcomes in patients with gastrointestinal bleeding
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Jo Nam-Woo
Oh Jae-Hoon
Kang Hyung-Goo
Lim Tae-Ho
Ko Byuk-Sung
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Abstract
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Objective: To examine the association of inferior vena cava (IVC) diameter ratio measured using computed tomography with outcomes in patients with gastrointestinal bleeding (GIB).
Methods: A single-center retrospective observational study was conducted on consecutive patients with GIB who presented to the emergency department. The IVC diameter ratio was calculated by dividing the maximum transverse and anteroposterior diameters perpendicular to it. The association of the IVC diameter ratio with outcomes was examined using multivariable logistic regression analysis. The primary outcome was in-hospital mortality. The area under the receiver operator characteristic curve (AUC) of the IVC diameter ratio was calculated, and the sensitivity and specificity, including the cutoff values, were computed.
Results: In total, 585 patients were included in the final analysis. The in-hospital mortality rate was 4.6% (n=27). The IVC diameter ratio was significantly associated with higher in-hospital mortality in multivariable logistic regression analysis (odds ratio, 1.793; 95% confidence interval [CI], 1.239?2.597; P=0.002). The AUC of the IVC diameter ratio for in-hospital mortality was 0.616 (95% CI, 0.498?0.735). With a cutoff of the IVC diameter ratio (≥2.1), the sensitivity and specificity for predicting in-hospital mortality were 44% (95% CI, 26%?65%) and 71% (95% CI, 67%?75%), respectively.
Conclusion: The IVC diameter ratio was independently associated with in-hospital mortality in patients with GIB. However, the AUC of the IVC diameter ratio for in-hospital mortality was low.
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KEYWORD
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Inferior vena cava, Gastrointestinal hemorrhage, Prognosis
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