View clinical trials related to Autonomic Nervous System.
Filter by:Models of stress such as hypoglycemia have identified that stress results the next day in decreased baroreflex sensitivity. This project will test the hypothesis that these delayed changes in autonomic nervous system function are secondary to a rise in ACTH. The investigators will infuse cosyntropin versus placebo in a double-blind, crossover study in healthy adults and measure the delayed effects on the autonomic system as measured by cardiovagal baroreflex sensitivity.
The purpose of this study is to assess the different effects of pneumoperitoneum and steep trendelenburg position on autonomic nervous system modulation during laparoscopic prostatectomy
Myocardial infarction is related with endothelial function, arterial stiffness and autonomic nervous system dysfunction, but also with arterial hypertension. Hypertension by itself is also related with endothelial function, arterial stiffness and autonomic nervous system dysfunction. Primary aim of study is to investigate how complex cardiac rehabilitation influence endothelial function, arterial stiffness and autonomic nervous system activity according to presence or absence arterial hypertension. Secondary aim is to obtain correlation between methods for the assessment of particular disorders and intercorrelation between different disorders for example endothelial function and autonomic nervous system activity.
Caffeine has a stimulatory effect on the ANS. This has not yet been investigated in preterm infant who get caffeine before stopping ventilation. The investigators hypothesis is that this stimulatory effect may be characterized by HRV analysis methods.
The Left thoracic paravertebral block have a different effect on heart's autonomic nervous system, as measured with Heart Rate Variability, compared to Right interscalene block
The Left interscalene block has a different effect on heart's autonomic nervous system, compared to Right interscalene block. This effect is evident on the occurrence of bradycardia and hypotension during shoulder surgery in the beach chair position
Following deployment to Operations Enduring and Iraqi Freedom and Operation New Dawn (OEF/OIF/OND), Veterans report breathing problems, difficulty exercising and other symptoms. These symptoms may be related to deployment exposures, such as regional dust and sand, smoke from burning trash, and local industry. Studies have reported poor air quality, but very little is known about the effect that exposure to this polluted air may have on Veterans' short- and long-term health. Investigators will determine whether deployment-related exposures have affected respiratory and nervous system function in these Veterans - data that may then be used to guide rehabilitation. Ultimately, the investigators' long-term goal is to prevent the development of chronic respiratory conditions in this group of OEF/OIF/OND Veterans.
The SALTO-SNA study is an ancillary study of the SALTO study (Suivi À Long Terme en Oncologie des enfants guéris d'un cancer pédiatrique en régions Rhône-Alpes et Auvergne) coordinated by Dr. Claire Berger, pediatric oncologist at the CHU, Saint Etienne. It aims at re-examining, in their initial treatment center, all patients (a cohort of 495 patients alive in 2011), diagnosed between 1987 and 1992, and cured of childhood cancer (except leukemia) in the Rhône-Alpes and Auvergne regions. The rationale for this study is based on the observation that although the survival rate of childhood cancers has now reached 75%, complications of chemotherapy and radiotherapy are high and greatly increase the risk of mortality in later years (estimated to be 14% in the literature). The morbidity risk of chemotherapy and radiotherapy can be quantified by assessing the activity of the intrinsic cardiac autonomic regulation, which represents a powerful predictor of cardiovascular morbidity to the individual.
The Left interscalene block has a different effect on heart's autonomic nervous system, as measured with Heart Rate Variability, compared to Right interscalene block
A study to determine if a chiropractic adjustment in the cervical spine will effect the parasympathetics and a chiropractic adjustment in the thoracic spine will effect the sympathetics.