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Vol 74, No 1 (2016)
Original articles
Published online: 2015-06-18
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Heart failure is the strongest predictor of acute kidney injury in patients undergoing primary percutaneous coronary intervention for ST-elevation myocardial infarction

Jan Matějka, Ivo Varvařovský, Vladimír Rozsíval, Aleš Herman, Karel Bláha, Jan Večeřa, Tomáš Lazarák, Vojtěch Novotný, Vladimíra Mužáková, Petr Vojtíšek
DOI: 10.5603/KP.a2015.0115
·
Kardiol Pol 2016;74(1):18-24.

open access

Vol 74, No 1 (2016)
Original articles
Published online: 2015-06-18

Abstract

Background: ST elevation myocardial infarction (STEMI) patients treated by primary percutaneous coronary intervention (PCI) are at higher risk of acute kidney injury (AKI) than patients undergoing PCI in stable clinical conditions. This fact suggests that mechanisms other than contrast nephrotoxicity are involved.

Aim: To evaluate the incidence, risk factors, and consequences of AKI in patients undergoing primary PCI for STEMI in current daily practice.

Methods: Analysis of all consecutive patients who underwent primary PCI over a one-year period. AKI was defined as an increase in serum creatinine ≥ 50% or 26.5 μmol/L (AKIN criteria) from the baseline within 48 h.

Results: A total of 202 patients were included. AKI occurred in 25 (12.4%) subjects. Baseline characteristics and in-hospital complications of the patients with and without AKI did not differ significantly except for age (69 ± 13 vs. 62 ± 12; p = 0.003), female gender (48.0% vs. 26.6%; p = 0.035), hypertension (88.0% vs. 62.7%; p = 0.013), left ventricular ejection fraction (40% ± 12% vs. 49% ± 14%; p = 0.002), cardiogenic shock (44.0% vs. 5.1%; p < 0.0001), use of intravenous diuretics (76.0% vs. 26.0%; p < 0.0001), ventricular arrhythmias (24.0% vs. 3.4%; p = 0.001), and in-hospital mortality (24.0% vs. 3.4%; p = 0.001). In multivariate analysis heart failure remained the only independent correlate of AKI.

Conclusions: AKI was an frequent and serious complication of STEMI in patients treated by primary PCI. Heart failure was the strongest predictor of AKI. Other risk factors including contrast medium volume, baseline renal function, diabetes, and age failed to predict AKI.

Abstract

Background: ST elevation myocardial infarction (STEMI) patients treated by primary percutaneous coronary intervention (PCI) are at higher risk of acute kidney injury (AKI) than patients undergoing PCI in stable clinical conditions. This fact suggests that mechanisms other than contrast nephrotoxicity are involved.

Aim: To evaluate the incidence, risk factors, and consequences of AKI in patients undergoing primary PCI for STEMI in current daily practice.

Methods: Analysis of all consecutive patients who underwent primary PCI over a one-year period. AKI was defined as an increase in serum creatinine ≥ 50% or 26.5 μmol/L (AKIN criteria) from the baseline within 48 h.

Results: A total of 202 patients were included. AKI occurred in 25 (12.4%) subjects. Baseline characteristics and in-hospital complications of the patients with and without AKI did not differ significantly except for age (69 ± 13 vs. 62 ± 12; p = 0.003), female gender (48.0% vs. 26.6%; p = 0.035), hypertension (88.0% vs. 62.7%; p = 0.013), left ventricular ejection fraction (40% ± 12% vs. 49% ± 14%; p = 0.002), cardiogenic shock (44.0% vs. 5.1%; p < 0.0001), use of intravenous diuretics (76.0% vs. 26.0%; p < 0.0001), ventricular arrhythmias (24.0% vs. 3.4%; p = 0.001), and in-hospital mortality (24.0% vs. 3.4%; p = 0.001). In multivariate analysis heart failure remained the only independent correlate of AKI.

Conclusions: AKI was an frequent and serious complication of STEMI in patients treated by primary PCI. Heart failure was the strongest predictor of AKI. Other risk factors including contrast medium volume, baseline renal function, diabetes, and age failed to predict AKI.

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Keywords

acute kidney injury, contrast-induced acute kidney injury, ST elevation, myocardial infarction, primary percutaneous coronary intervention, complications

About this article
Title

Heart failure is the strongest predictor of acute kidney injury in patients undergoing primary percutaneous coronary intervention for ST-elevation myocardial infarction

Journal

Kardiologia Polska (Polish Heart Journal)

Issue

Vol 74, No 1 (2016)

Pages

18-24

Published online

2015-06-18

DOI

10.5603/KP.a2015.0115

Bibliographic record

Kardiol Pol 2016;74(1):18-24.

Keywords

acute kidney injury
contrast-induced acute kidney injury
ST elevation
myocardial infarction
primary percutaneous coronary intervention
complications

Authors

Jan Matějka
Ivo Varvařovský
Vladimír Rozsíval
Aleš Herman
Karel Bláha
Jan Večeřa
Tomáš Lazarák
Vojtěch Novotný
Vladimíra Mužáková
Petr Vojtíšek

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