| Summary: | A. INTRODUCTION<p>A.1. The sympathetic nervous system.<p>A.1.1. General considerations and historical perspective.<p>A.1.1.1. Historical perspective<p>A.1.1.2. Reflex regulation of the autonomic nervous system<p>A.1.1.3. Central control of the autonomic nervous system<p>A.1.1.4. Sympathetic and parasympathetic components of the autonomic<p>nervous system<p>A.1.1.5. Organisation of the sympathetic nervous system<p>A.1.1.6. Functions of the sympathetic nervous system<p>A.1.1.7. Neurotransmitters of the sympathetic nervous system<p>A.1.1.8. Neurotransmitter secretion at effectors organ synapse<p>A.1.1.9. Adrenoreceptors<p>A.1.2. Control mechanisms<p>A.1.2.1. Aortic arch and carotid baroreceptors<p>A.1.2.2. Low pressure baroreceptors<p>A.1.2.3. Chemoreceptors<p>A.1.2.4. Effects of exercise on sympathetic nervous system activation<p>A.1.2.5. Effects of left ventricular dysfunction on sympathetic nervous<p>system activation<p>A.1.2.6. Effects of right ventricular dysfunction and heart<p>transplantation on sympathetic nervous system activity<p>A.2. Methodological considerations.<p>A.2.1. Assessment of sympathetic activity in humans<p>A.2.2. Circulating catecholamines<p>A.2.3. Microneurography<p>A.3. Ergospirometry<p>A.3.1. Several aspects of physiology of exercise<p>A.3.2. Principles of exercise testing<p>A.3.3. Exercise ventilation<p>A.4. Assessment of chemoreceptor regulation in humans<p>A.4.1. Peripheral chemoreceptor inhibition<p>A.4.2. Peripheral and central chemoreceptor activation<p>A.5. Brief summary of still unresolved questions<p>A.5.1. Pulmonary arterial hypertension<p>A.5.2. Heart transplantation<p>B. SYMPATHETIC CONTROL IN PULMONARY ARTERIAL HYPERTENSION<p>B.1. Hypothesis tested<p>B.2. Study populations<p>B.2.1. Study investigating sympathetic activity in PAH patients<p>B.2.2. Study investigating the effects of atrial septostomy on MSNA in PAH<p>patients<p>B.3. Material, methods and study protocols<p>B.3.1. Particular measurements in the study investigating sympathetic activity<p>in PAH patients<p>B.3.2. Particular measurements in the study investigating effects of atrial<p>septostomy on MSNA in PAH patients<p>B.4. Sympathetic nervous activity in PAH and effects of disease severity<p>B.5. Effects of chemoreflex activation<p>B.6. Effects of atrial septostomy<p>C. SYMPATHETIC CONTROL AFTER HEART TRANSPLANTATION<p>C.1. Hypothesis tested<p>C.2. Patient population<p>C.3. Material and methods<p>C.4. Effects of chemoreflex activation on sympathetic activity and blood pressure<p>C.5. Effects of chemoreflex activation on exercise intolerance<p>D. DISCUSSION<p>D.1. Sympathetic nervous system activation in patients with pulmonary arterial<p>hypertension<p>D.2. Effects of atrial septostomy on sympathetic nervous system activation<p>D.3. Chemoreceptors in heart transplant recipients<p>D.3.1. Peripheral chemoreceptors deactivation<p>D.3.2. Peripheral and central chemoreceptors sensitivity<p>E. CONCLUSIONS<p>F. REFERENCE LIST<p>G. ANNEXES<p>G.1. Publications<p>G.1.1. Velez-Roa and Ciarka et al, Increased sympathetic nerve activity in<p>pulmonary artery hypertension, Circulation. 2004 Sep 7;110(10):1308-<p>12.<p>G.1.2. Ciarka et al, Atrial septostomy decreases sympathetic overactivity in<p>pulmonary arterial hypertension, Chest. 2007 Jun;131(6):1831-7.<p>G.1.3. Ciarka et al, Effects of peripheral chemoreceptors deactivation on<p>sympathetic activity in heart transplant recipients. Hypertension. 2005<p>May;45(5):894-900.<p>G.1.4. Ciarka et al, Increased peripheral chemoreceptors sensitivity and<p>exercise ventilation in heart transplant recipients. Circulation. 2006 Jan<p>17;113(2):252-7.<p>G.2. Annexe thesis title.<p>G.3. Brief summary in French of described research === Doctorat en Sciences médicales === info:eu-repo/semantics/nonPublished
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