OBJECTIVE To assess whether neopterin concentrations in women with unstable angina differ from those in women with chronic stable angina. DESIGN Prospective cohort study. SETTING University hospital in south west London. PATIENTS 114 consecutive women with angina were studied: 82 had chronic stable angina (typical exertional chest pain, positive exercise ECG testing, and/or abnormal myoca...

It is proved that the countably infinite power of complete Erdős space Ec is not homeomorphic to Ec. The method by which this result is obtained consists of showing that Ec does not contain arbitrarily small closed subsets that are one-dimensional at every point. This observation also produces solutions to several problems that were posed by Aarts, Kawamura, Oversteegen, and Tymchatyn. In addit...

AIMS We investigated the role of asymmetric dimethylarginine (ADMA) for clinical outcome of patients with unstable angina. METHODS AND RESULTS Forty-five patients with stable angina, 36 patients with unstable angina, and 40 healthy controls were included in this study. Coronary artery disease (CAD) patients were prospectively followed for 1 year. ADMA levels were measured at baseline and afte...

STUDY OBJECTIVE To test the hypothesis that the active coronary endothelial lesions in unstable angina raise the endothelin concentration in coronary venous blood. DESIGN Systemic and coronary venous blood samples were obtained from unselected patients with the clinical syndromes of either stable or unstable angina at the time of cardiac catheterisation and coronary arteriography. Control ven...

BACKGROUND Multiple complex stenoses, plaque fissures, and widespread coronary inflammation are common in acute coronary syndromes. A systemic cause of atherosclerotic plaque instability is also suggested by studies of ischemic cerebrovascular disease. We investigated the association between coronary and carotid plaque instability and the potential common causal role of inflammation. METHODS ...

We study the linear stability problem of the stationary solution ψ∗ = − cos y for the Euler equation on a 2-dimensional flat torus of sides 2πL and 2π. We show that ψ∗ is stable if L ∈ (0, 1) and that exponentially unstable modes occur in a right neighborhood of L = n for any integer n. As a corollary, we gain exponentially instability for any L large enough and an unbounded growth of the numbe...

Growing bacterial L forms are reputed to lack peptidoglycan, although cell division is normally inseparable from septal peptidoglycan synthesis. To explore which cell division functions L forms use, we established a protocol for quantitatively converting a culture of a wild-type Escherichia coli K-12 strain overnight to a growing L-form-like state by use of the beta-lactam cefsulodin, a specifi...

AIMS An increase in platelet aggregability is associated with unstable angina and myocardial infarction. Platelet size and activity correlate and mean platelet volume was found to be increased before acute myocardial infarction. We measured the mean platelet volume and platelet count in patients with stable angina, unstable angina and non-cardiac chest pain. METHODS AND RESULTS We studied 981...