Acute hyperglycemia and contrast-induced nephropathy in primary percutaneous coronary intervention - 05/08/11
, Monica De Metrio, MD, Mara Rubino, MD, Gianfranco Lauri, MD, Annalisa Cavallero, MD, Emilio Assanelli, MD, Marco Grazi, MD, Marco Moltrasio, MD, Ivana Marana, MD, Jeness Campodonico, MD, Andrea Discacciati, MSC, Fabrizio Veglia, PhD, Antonio L. Bartorelli, MDRésumé |
Background |
Acute hyperglycemia and contrast-induced nephropathy (CIN) are frequently observed in ST-elevation acute myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI), and both are associated with an increased mortality rate. We investigated the possible association between acute hyperglycemia and CIN in patients undergoing primary PCI.
Methods |
We prospectively enrolled 780 STEMI patients undergoing primary PCI. For each patient, plasma glucose levels were assessed at hospital admission. Acute hyperglycemia was defined as glucose levels >198 mg/dL (11 mmol/L). Contrast-induced nephropathy was defined as an increase in serum creatinine >25% from baseline in the first 72 hours.
Results |
Overall, 148 (19%) patients had acute hyperglycemia; and 113 (14.5%) patients developed CIN. Patients with acute hyperglycemia had a 2-fold higher incidence of CIN than those without acute hyperglycemia (27% vs 12%, P < .001). In-hospital mortality was higher in patients with acute hyperglycemia than in those without acute hyperglycemia (12% vs 3%, P < .001). Mortality rate was also higher in patients developing CIN than in those without this renal complication (27% vs 0.9%, P < .001). Patients with acute hyperglycemia that developed CIN had the highest mortality rate (38%). Acute hyperglycemia was an independent predictor of CIN and in-hospital mortality.
Conclusions |
In STEMI patients undergoing primary PCI, acute hyperglycemia is associated with an increased risk for CIN and with increased in-hospital mortality.
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Vol 160 - N° 6
P. 1170-1177 - décembre 2010 Retour au numéro
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