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Journal of The Korean Society of Emergency Medicine 1995;6(2): 459-462. |
| THE SIGNIFICANCE OF YAMAGUCHI INDEX IN PATIENTS WITH ACUTE PARAQUAT POISONING |
| Seong Joong Kim1, Kyung Soo Kim1, Sung Wook Choi2, In Byung Kim2, Young Soo Lee1 |
1Department of Emergency Medicine, Ulsan University Medical College
2Department of Emergency Medicine, Yonsei University Medical College |
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Published online: December 31, 1995. |
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| ABSTRACT |
Study objective: To evaluate the significance of Yamaguchi index as a predictor of outcome in patients with acute paraquat poisoning
Design: Retrospective chart review
Setting: Two University Hospital EDs
Method:
We reviewed the medical records of 47 patients with acute paraquat poisoning(18 survived and 29 died). The Eq1 was defined as : Eq1=[K+] x [HCO3-] / 0.088[Cre] mEq L-1 The patient's data were plotted as calculated Eql values (y-axis) against interval of time from ingestion to admission (T) (x-axis). The study patients were divided into three groups. Group A consisted of patients with Eq1
> 1500-399LogT; Group B consisted of patients with Eq1: 930-399LogT < Eq1≤ s 1500-399LogT; Group
C consisted of patients with Eq1 s 930一399LogT.
Results:
There was a significant difference among three groups (A, B and C) as far as prognosis was concerned(P<0.01). In group A, all patients survived(survival rate 100%). In group B, six of 13 patients survived(survival rate 46%). In group C, none of patients survived (survival rate 0%).
Conclusion:
Yamaguchi index is a significant predictor of outcome in patients with acute paraquat poisoning
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| Key words:
Yamaguchi index, Acute paraquat poisoning |
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