The mean change between pre- and postprocedure beta-hydroxybutyrate (5.43 versus 66.84 Trichostatin A manufacturer mu mol/L; P = 0.009), ketones (21.17 versus 98.49 mu mol/L; P = 0.009), nonesterified fatty acids (0.37 versus 1.20 mmol/L; P = 0.017), and triglycerides (-9.33 versus -36.50 mg/dL; P = 0.007) was significantly different between the nonheparin and heparin groups, respectively. There were no significant differences between groups in the other metabolites measured.
Conclusions-Heparin administration during cardiac catheterization induced changes in peripheral blood metabolites that were
consistent with known lipolytic effects of heparin and define a metabolite signature associated with heparin administration. These findings are important for accurate interpretation of future metabolic profiling studies in populations exposed to heparin. (Circ Cardiovasc Genet. 2011;4:695-700.)”
“A multiwalled carbon nanotube (c-MWNT)/polyaniline (PANI) composite was synthesized by an in situ chemical oxidative polymerization
process. With the carbon nanotube loading increased from 0 to 30 wt %,, the conductivity also increased and became weakly temperature-dependent. Fourier transform infrared spectroscopy studies showed that the synthesis by an in situ process led to effective site-selective interactions between the quinoid ring of the PANI and the multiwalled nanotubes, facilitating charge-transfer processes between the two components. The morphological analysis indicated that the c-MWNTs were well dispersed and isolated, and the tubes became crowded proportionally see more to the weight percentage of c-MWNTs used in the composites. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 680-684, 2009″
“Introduction and objectives. To determine whether long-term prognosis is affected by myocardial damage taking place during percutaneous coronary intervention pay
Methods.
The study included consecutive patients undergoing PCI. Those with elevated baseline cardiac marker levels were excluded. Cardiac markers were evaluated and an ECG was recorded before and 12 and 24 hours after PCI. Patients were divided into three groups after PCI according to their cardiac marker levels: no myocardial damage (i.e. normal troponin and creatine kinase PLX4032 datasheet MB fraction [CK-MB]), minor damage (elevated troponin with normal CK-MB), and myonecrosis (elevated troponin and CK-MB). The occurrence of death, myocardial infarction or repeat revascularization during follow-up was recorded.
Results. Minor myocardial damage associated with PCI was observed in 127 (16.8%) of the 757 patients included in the study and myonecrosis, in 46 (6.1%). During a follow-up of 45 14 months, cardiac events occurred in 151 (19.1%) patients. Mortality during follow-up was significantly higher in patients with myonecrosis (13%) than in the other two groups (4.8% and 3.9%; log rank, 6.83; P=.032).