Renal Dysfunction on Admission Predicts No-Reflow Phenomenon in Patients Undergoing Manual Thrombus Aspiration during Primary Percutaneous Coronary Intervention

Baris Sensoy, Sezen Baglan Uzunget, SadikKadri Acikgoz, Nur Sensoy, Fatih Sen, Burak Acar, Uğur Canpolat, Ozcan Ozeke, Serkan Cay, Orhan Maden
Acta Cardiologica Sinica 2016, 32 (2): 185-93

BACKGROUND: No-reflow is a frequent complication during percutaneous coronary intervention (PCI) for acute ST segment elevation myocardial infarction (STEMI). Available data is limited regarding its impact on short-term outcomes in patients undergoing manual thrombus aspiration. Renal impairment is also associated with higher complication rates in STEMI. Herein, we aimed to evaluate the impact of baseline renal dysfunction on the no- reflow phenomenon and the association of no-reflow phenomenon with early clinical outcomes.

METHODS: A total of 94 consecutive STEMI patients who underwent primary stent-based PCI and thrombus aspiration were enrolled. No-reflow was established by the use of angiographic and electrocardiographic reperfusion criteria, respectively. Additionally angiographic and clinical follow-up data were also recorded.

RESULTS: In our study, the no-reflow phenomenon was observed in 10 patients (11%) angiographically and in 23 patients (24%) electrocardiographically. Whereas, the the estimated glomerular filtration rate (eGFR) [odds ratio (OR) 10.4], hypertension (OR 6.2), previous MI (OR 6.5), previous PCI history, (OR 4.2), predilatation (OR 7.2), final balloon pressure (OR 0.9) were found to be the significant predictors of angiographic no-reflow, only reperfusion time was the predictor of electrocardiographic no-reflow (OR 1.12) at univariate analysis. After adjustment, lower eGFR (OR 14.8) was found to be the independent predictor for angiographic no-reflow. In-hospital mortality was more common in patients with either no-reflow condition separately.

CONCLUSIONS: Longer ischemic time and lower initial eGFR values were associated with no-reflow phenomenon. Irrespective of poor reperfusion criteria, no-reflow phenomenon is associated with in-hospital outcome. Future efforts should be made to reduce the incidence of no-reflow especially in patients with lower initial eGFR values.

KEY WORDS: Acute myocardial infarction • Glomerular filtration rate • No-reflow phenomenon • Primary percutaneous coronary intervention.

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