Jennifer C. Hsia

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BACKGROUND Observational studies have shown that postmenopausal hormone therapy may increase, decrease, or have no effect on the risk of stroke. To date, no clinical trial has examined this question. To investigate the relation between estrogen plus progestin therapy and risk of stroke among postmenopausal women, we analyzed data collected from the Heart &(More)
The Prevention of Events with Angiotensin-Converting Enzyme Inhibition (PEACE) trial is an 8,100 patient, randomized, double-blind, placebo-controlled trial designed to determine the usefulness of angiotensin-converting enzyme (ACE) inhibitors in treating coronary patients with preserved left ventricular ejection fraction. The hypothesis being tested in(More)
To determine whether rhinovirus infection induced a systemic cellular immune response in humans, specific antigen-stimulated blastogenesis, natural killer cell activity, and mitogen-stimulated production of interleukin-2 and interferon-gamma by peripheral blood mononuclear cells (PBMC) were quantified during experimental rhinovirus infection of normal(More)
Two hundred fifteen patients infected with human immunodeficiency virus (HIV) participated in a prospective longitudinal study of HIV-related heart disease. Evaluation included signal-averaged electrocardiography and echocardiography. Fifteen patients underwent endomyocardial biopsy, 5 had cardiovascular symptoms and 10 did not. Cardiac myocytes or(More)
BACKGROUND We report the results of the Heparin-Aspirin Reperfusion Trial, a collaborative study comparing early intravenous heparin with oral aspirin as adjunctive treatment when recombinant tissue plasminogen activator (rt-PA) is used for coronary thrombolysis during acute myocardial infarction. METHODS Two hundred five patients were randomly assigned(More)
Sustained infarct artery patency is an important determinant of survival in patients with acute myocardial infarction. We studied 61 patients with acute myocardial infarction who received intravenous recombinant tissue-type plasminogen activator, aspirin or heparin within 6 hours of symptom onset, to determine if infarct artery patency after intravenous(More)
Interleukin-2 (IL-2) and interferon-gamma (IFN-gamma) have recently been added to the arsenal of synthetic biological response modifiers with important immunomodulatory activities. In this paper we have assessed the effects of acetylsalicylic acid (aspirin), thymosin alpha and thymosin fraction 5 (TF5), a partially purified calf thymic preparation, on(More)
Having previously shown in the Heparin Aspirin Reperfusion Trial that the empiric use of early intravenous heparin after recombinant tissue-type plasminogen activator (rt-PA) is an important component in the overall treatment strategy, we examine in this report the specific relation between the degree of prolongation of activated partial thromboplastin time(More)