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Background: Data on the relationship between gender and acute kidney injury (AKI) in patients with myocardial infarction (MI) undergoing percutaneous coronary intervention (PCI) are conflicting and inconclusive. The contrast volume-to-estimated glomerular filtration rate ratio (CV/GFR) was shown to predict AKI in patients with MI undergoing PCI. We assessed gender-based differences in AKI and evaluated the association between the CV/GFR and AKI in MI patients undergoing PCI., Methods: We retrospectively studied 4675 consecutive patients with MI who underwent PCI between January 2007 and December 2015. The incidence of AKI and CV/GFR in men and women were compared. Data were analyzed using descriptive statistics., Results: Women suffered more AKI than men [152 (10.5%) women suffered AKI compared to 252 (7.8%) men; p = 0.003]. After adjustment for potential confounders, female gender was identified as an independent predictive factor for AKI. CV/GFR was higher in women (2.57 ± 1.95 in women vs. 2.25 ± 1.60 in men; p < 0.0001) and predicted AKI., Conclusion: AKI occurs more often in women than men with MI undergoing PCI. Female gender independently predicted AKI in our analysis. A high CV/GFR denotes a group of patients who are at higher risk of AKI after PCI. CV/GFR was significantly higher in women, which may help to explain their worse outcome as regards AKI.

Objectives: The aim of the study was to examine the possible influence of minor deterioration of the renal function after stent implantation not fulfilling the criteria for acute kidney injury on long-term outcomes after stent thrombosis (ST)., Background: Decreased renal function (DRF) is associated with an increased risk for worse outcome after percutaneous coronary intervention. There is no data if the deterioration of renal function after stent implantation influences the prognosis after ST. If so patients with a higher risk for worse outcome after ST could be identified already at the time of stent implantation., Methods: Data from 4824 consecutive patients treated with percutaneous coronary intervention in our center was recorded from March 2004 to April 2010. We excluded patients with acute kidney injury at stent implantation and 86 of them with ST without acute kidney injury at stent implantation were involved in the study. They were prospectively followed until December 2012 for 50.2 ± 28.1 months. Only patients with definite ST were included in the study. The Academic Research Consortium definition of ST was used. Data on death, myocardial infarction, and repeated percutaneous or operative revascularization after ST were ascertained from the hospital database, by phone or with clinical examinations. The outcomes after definite ST were compared in patients with and without deterioration of renal function after stent implantation (DRFafterSI)., Results: During the observational period patients with DRFafterSI had a higher mortality rate after ST than patients without DRFafterSI (35.1 vs. 10.3 %; p <0.019). The incidence of major adverse cardiac events (major adverse coronary event (MACE)-death, myocardial infarction, repeated revascularization) rate after ST was similar in both groups (66.1 % with DRFafterSI vs. 55.2 % without DRFafterSI). The prevalence of myocardial infarction was also similar in both groups (31.6 vs. 34.5 %) as was the revascularizations rate (43.9 vs. 48.3 %). Death was predicted by DRFafterSI (adjusted hazard ratio (HR) 3.96; 95 % confidence interval (CI) 1.11 to 14.10; p <0.034) and age > 75 years (adjusted HR 2.85: 95 % CI 1.12-7.30; p = 0.029). We could not find any predictor for MACE., Conclusions: Even more subtle DRFafterSI (not fulfilling the criteria for acute kidney injury) at stent implantation were associated with higher long-term mortality after ST. Especially at risk were patients older than 75 years at stent implantation. DRFafterSI and age more than 75 years pointed out the group of patients with a high risk for death after ST already at the time of stent implantation. The best treatment option for preventing ST in these patients is still to be determined. Until then, we must pay a special attention to proper patients' preparation and hydration to avoid DRFafterSI.

Background: Late-onset infections are an important cause of morbidity and mortality in preterm infants. The purpose of our prospective randomised study was to establish whether a combination of probiotics (Lactobacillus acidophilus, Enterococcus faecium and Bifidobacterium infantum) affects the incidence of late-onset sepsis and other infections in very low birthweight infants (birthweight under 1500 g, gestational age under 33 weeks)., Methods: From 80 included infants, one half received probiotics (L. acidophilus, E. faecium and B. infantum) in the ratio 1.5:1:1.5, at a dose of 0.6 × 107 colony-forming units twice daily, given with the first portions of milk until discharge, whereas the other half did not., Results: In the group receiving probiotics, 16 children had late-onset sepsis compared with 29 in the group without probiotics; p = 0.006. The number of late-onset septic events was lower (30) in the group receiving probiotics than in the group that did not receive probiotics (69); p = 0.003. Furthermore, fewer children had at least one late-onset infection (20 infants in the group receiving probiotics compared with 32 in the group without them; p = 0.009). There were less episodes of late-onset infections in the group receiving probiotics (35) than in the group without probiotics (79); p = 0.002., Conclusions: A combination of probiotics at a low dose (1.2 × 107 colony-forming units) decreased the frequency of late-onset sepsis and other infections, as described in previous studies. In addition, children were discharged at a lower postmenstrual age. There were no side effects of probiotics reported.