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Objective The goal of this study was to examine in-hospital complications in patients with acute ST-elevation myocardial infarction with a different renal function. Methods 351 patients were included in the study. Percutaneous coronary intervention was performed on all patients. 116 had a glomerular filtration rate < 60 ml/min/1.73 m2 (Group 1), 120 ≥ 60 ml/min/1.73 m2 and < 90 ml/min/1.73 m2 (Group 2) and 115 ≥ 90 ml/min/1.73 m2 (Group 3). Other parameters in the groups were comparable. The composite rate of acute pulmonary oedema and cardiogenic shock, in-hospital pneumonia, pulseless ventricular tachycardia or ventricular fibrillation, new-onset atrial fibrillation or atrial flutter, and in-hospital death were all compared among study groups. Results Mean glomerular filtration rate in Group 1 was 48.2±10.4; in Group 2, 74.7±8.7; and in Group 3, 104.1±14.6 (p < 0.001). The incidence of atrial fibrillation or atrial flutter was higher in Group 1 than in Groups 2 and 3: 12.1%, 5.8%, and 3.5%, respectively (p < 0.05). Group 3 had significantly lower rates of acute pulmonary oedema and cardiogenic shock than Groups 1 and 2: 10.3%, 5.8%, and 0.9%, respectively (p < 0.05). There was also a significant difference between groups when comparing the rate of in-hospital pneumonia: Group 1 had reasonably higher rates of in-hospital pneumonia than Group 2 and Group 3: 13.8%, 6.7%, and 4.3% (p < 0.05), respectively. The authors discovered no significant differences in additional complications: pulseless ventricular tachycardia or ventricular fibrillation occurred in 2.6%, 3.3%, and 0.9%, respectively (p > 0.05). in-hospital death was 3.4% in Group 1; 0.8% in Group 2: and 0 in Group 3, (p > 0.05). Conclusion Patients with lower glomerular filtration rate were more likely to develop in-hospital acute pulmonary oedema and cardiogenic shock, pneumonia, and new-onset atrial fibrillation or atrial flutter in ST-elevation myocardial infarction.

The purpose of this study was to examine the impact of total ischemic time (TIT) on in-hospital complications in acute ST-elevation myocardial infarction (STEMI) patients with renal dysfunction (RD). MethodsThe study included a total of 116 patients. All patients underwent percutaneous coronary intervention.Glomerular filtration rate (GFR) was < 60 ml/min/1.73 m 2 in all patients. The patients were split into two groups based on the TIT value. All eligible patients were assigned to two groups according to TIT: Group 1 comprised 54 patients with ≤ 6-hour TIT and Group 2 consisted of 62 patients with > 6-hour TIT. The groups' other characteristics were similar. The composite rate of pulmonary edema and cardiogenic shock were compared between groups. ResultsThe mean TIT in Group 1 was 4.37 ± 1.35 and in Group 2 was 9.03 ± 1.59 (p < 0.0001). The incidence of pulmonary edema or cardiogenic shock was higher in Group 2 than in Group 1: 16.1% and 3.7%, respectively (p = 0.034). ConclusionSTEMI patients with RD and higher TIT were more likely to develop pulmonary edema and cardiogenic shock.

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