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Impact of Acute Kidney Injury on In-Hospital Outcomes of Patients With Acute Myocardial Infarction - Results From the Japanese Registry of Acute Myocardial Infarction Diagnosed by Universal Definition (J-MINUET) Substudy.

Impact of Acute Kidney Injury on In-Hospital Outcomes of Patients With Acute Myocardial Infarction - Results From the Japanese Registry of Acute Myocardial Infarction Diagnosed by Universal Definition (J-MINUET) Substudy.
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Kuji S, Kosuge M, Kimura K, Nakao K, Ozaki Y, Ako J, Noguchi T, Yasuda S, Suwa S, Fujimoto K, Nakama Y, Morita T, Shimizu W, Saito Y, Hirohata A, Morita Y, Inoue T, Nishimura K, Miyamoto Y, Ishihara M, ,


Kuji S, Kosuge M, Kimura K, Nakao K, Ozaki Y, Ako J, Noguchi T, Yasuda S, Suwa S, Fujimoto K, Nakama Y, Morita T, Shimizu W, Saito Y, Hirohata A, Morita Y, Inoue T, Nishimura K, Miyamoto Y, Ishihara M, , (click to view)

Kuji S, Kosuge M, Kimura K, Nakao K, Ozaki Y, Ako J, Noguchi T, Yasuda S, Suwa S, Fujimoto K, Nakama Y, Morita T, Shimizu W, Saito Y, Hirohata A, Morita Y, Inoue T, Nishimura K, Miyamoto Y, Ishihara M, ,

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Circulation journal : official journal of the Japanese Circulation Society 2017 02 09() doi 10.1253/circj.CJ-16-1094
Abstract
BACKGROUND
Acute kidney injury (AKI) is associated with poor outcome after acute myocardial infarction (AMI), but whether hemodynamic status at presentation influences this prognostic significance is unknown.Methods and Results:A total of 2,798 AMI patients admitted within 48 h after symptom onset and who underwent urgent coronary angiography were enrolled in the present study. AKI was defined as an increase in serum creatinine ≥0.3 mg/dL or ≥50% within 48 h during hospitalization. Patients were classified into 3 groups according to Killip class on admission: Killip 1, n=2,164; Killip 2-3, n=366; and Killip 4, n=268. AKI occurred more frequently with increasing Killip class (Killip 1, 2-3, and 4: 6.3%, 15.3%, and 31.3%, respectively; P<0.001). AKI was associated with increased in-hospital mortality, regardless of Killip class (non-AKI and AKI patients: 1.1% vs. 6.6% in Killip 1; 5.2% vs. 35.7% in Killip 2-3, and 28.8% vs. 45.2% in Killip 4, P<0.01 for all). On multivariate analysis, the adjusted OR of AKI for in-hospital mortality in Killip 1, Killip 2-3, and Killip 4 were 3.79 (95% CI: 1.54-9.33, P=0.004), 5.35 (95% CI: 2.67-10.7, P<0.001), and 1.48 (95% CI: 0.94-2.35, P=0.093), respectively. CONCLUSIONS
In AMI patients undergoing urgent coronary angiography, AKI was significantly associated with increased in-hospital mortality in Killip 1 as well as Killip 2-3 at presentation, but not in Killip 4.

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