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Last Updated: 10/18/2022

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Comparison of Cerebral Oxymeter and End Tidal Carbondioxide Values Under Surgical Drapes in Patients With and Without Past COVID-19 Infection Undergoing Cataract Operation

Summary: Today, phacoemulsification has become the most commonly applied method in the treatment of cataract, which is considered as a public health problem. Since the eyelid margins can be a source for pathogens in phacoemulsification surgery draping after skin sterilization is applied to remove the eyelashes from the operation area. Since surgical drapes are airtight, carbon dioxide (CO2) accumulation oc...

The Predictive Value of the Heart Rate Response to Breathing Maneuvers for Inducible Myocardial Perfusion Deficits

Summary: Breathing maneuvers, i.e. hyperventilation followed by breath-holding, have been shown to change coronary dynamics; hyperventilating narrows the coronary arteries, puts stress on the heart, and increases the heart rate, whereas breath-hold dilates the coronary arteries and decreases the heart rate, rest. Heart rate response to hyperventilation has been reported to have high diagnostic accuracy to ...

Vocal Cord Responses During Hyperventilation in Normal Individuals and in Mild and Severe

Summary: The Investigators aim to: Study the effect of hyperventilation on the development of paradoxical vocal cord movement (PVCM) in healthy individuals and in patients with mild and severe asthma, Relate PVCM to airway symptoms and measurements of intra- and extra-thoracic airway hyperresponsiveness (ET-AHR), Evaluate the effects of inhaled anti-cholinergic agents on PVCM induced by hyperventilation. H...

REmote Cardiac MOnitoring of At-risk SYNCope Patients After Emergency Department Discharge - A Multicenter Randomized Controlled Trial: REMOSYNCED

Summary: Syncope (fainting) is a common reason for emergency department (ED) presentation. Fainting can be caused by heart conditions such as irregular heart rhythm (arrhythmia) that can be life-threatening, structural heart problems, or serious conditions not related to the heart. The standard or usual treatment for the majority of patients at-risk for irregular heart rhythm is getting discharged home wit...

Determining the Effectiveness of Counterpressure Maneuvers in Pediatric Patients Presenting With Syncope to the Emergency Department

Summary: We aim to will assess the efficacy of clinically recommended counterpressure maneuvers (CPM) in preventing syncope for paediatric patients. Participants presenting to the emergency department (ED) will first provide written informed consent. In stage I, they will be asked to complete a brief survey documenting the presentation of their syncopal episode, and any prodromal symptoms they experienced....

Data Collection - Of Syncope Tilt Table Testing Study

Summary: To characterize the impact of orthostatic hypotension (OH) and reflex syncope on signals measured using a wearable cardiac monitor prototype device. To evaluate the relationship of signals measured from the wearable cardiac monitor prototype device with reported symptom severity of orthostatic intolerance per standard data collection, analysis, and questionnaires.

Randomized Trial of Cardioneuroablation in Reflex Syncope Treatment (CARDIOSYE Trial)

Background: Reflex syncope is a disease of benign etiology but in severe cases it can be disabling and it carries a risk of severe trauma. Today, there is no proven etiological treatment and only palliative treatments are used, namely a change in hygienic and dietary habits, certain drugs or, in the most severe cases, the implantation of a pacemaker. Cardioneuroablation is a novel technique that acts by ablat...

Hyperventilation in Patients With Chronic Low Back Pain

Summary: Low back pain (LBP) is the leading cause of disability worldwide. Impaired postural control is a key factor in the development and maintenance of LBP. Moreover, the prevalence of LBP is associated with impairments in diaphragm function, symptoms of dyspnea, and dysfunctional breathing. However, the association between LBP (and more specifically postural control) and hyperventilation remains unknow...

Effects of Chest Physiotherapy in Hyperventilation Syndrom : a Multicentric Observational Study

Summary: Hyperventilation syndrome induce dyspnea and altered quality of life. the aim of this study is to assess the impact of chest physiotherapy on hyperventilation syndrome' symptoms

The Effect of Capsaicin-Phenylephrine-Caffeine Formulation on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope

Summary: Syncope is defined as transient loss of consciousness associated with inability to maintain postural tone with rapid and spontaneous recovery. The purpose of this study is to assess the effects of sublingual administration of a new medication called CPC on tilt-induced syncope in patients with a history of vasovagal syncope (VVS). 132 participants will be enrolled at the University of Wisconsin - ...

Genetic Markers of Cardiovascular Diseases and the Potential Role in Sudden Unexpected Death in Epilepsy.

Summary: Epilepsy is a common condition which affects over 3 million people in the US. Patients with uncontrolled epilepsy have a lifetime risk of sudden unexpected death (SUDEP) of 35%, which is greatest in those under 40 years of age. The exact mechanisms and causes are not understood but can be due to underlying conditions which affect the heart and brain, which may lead to dangerous heart rhythms and d...

Effects of Hypocapnia on Postural Standing Balance Measured by Sharpened Romberg Testing (SRT) in Healthy Subjects

Summary: This research study is being done to evaluate the effectiveness of using the sharpened Romberg test to screen for impaired postural control in patients with impaired or altered breathing patterns.

Showing 1-12 of 38

Last Updated: 10/18/2022