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Radiology Clinical Trials

00:28 EDT 22nd October 2017 | BioPortfolio

Definite Stent Thrombosis in Comatose Out of Hospital Cardiac Arrest Survivors

Reliable data on stent thrombosis (ST) in comatose out of hospital cardiac arrest (OHCA) survivors is lacking. In comatose OHCA survivors suspicion of ST can be made with precise clinical monitoring of the patient with definite confirmation being possible only by coronary angiography or autopsy of deceased patients. However in addition to definite ST which can be confirmed ...

Airway Ultrasound Prediction and Correlation

This is a novel approach to assess the use of ultrasound to support the identification of obstructive sleep apnea syndrome (OSAS) on a screening questionnaire, and potentially to predict a difficult pediatric airway. We hope to determine if a combination of simple bedside clinical tests can be used to identify OSAS in patients who present for surgery with clinical signs of ...

Natural History of Carotid Plaque as Determined by 3D Ultrasound

This proposed follow-up study aims to recruit participants from the original BioImage cohort for a one-time follow-up examination. The repeat ultrasound scan of the carotid arteries will provide information on the natural history of carotid atherosclerosis and factors that contribute to plaque progression. Renewal of the HIPAA authorization will also be sought for 5 years t...

Ultrasound-assisted Versus Conventional Landmark-guided Paramedian Spinal Anesthesia in Elderly Patients

Multiple passes and attempts during spinal anesthesia might be associated with a greater incidence of paraesthesia, postdural puncture headache, and spinal hematoma. We hypothesized that the use of a preprocedural ultrasound-assisted paramedian technique for spinal anesthesia in patients with old age would reduce the number of passes required to entry into the subarachnoid ...

Thyroid Ultrasound Elasticity (TrUE) Imaging

In this study the researchers will scan the thyroid nodules of patients scheduled for surgical removal of these nodules. During their preadmission testing, but prior to their surgery, the researchers will perform standard ultrasound and shear wave elasticity imaging (SWEI) scans of the thyroid nodules in these patients. Both images can be generated by the same ultrasound sc...

Contrast-Enhanced Ultrasound in Diagnosing Patients With Liver Cancer Undergoing Yttrium-90 Radioembolization

This pilot clinical trial studies how well contrast-enhanced ultrasound in diagnosing patients with liver cancer who are undergoing Yttrium-90 radioembolization. Contrast-enhanced ultrasound may provide detailed imaging of the tumor arteries after the injection of a contrast-agent consisting of microbubbles, and may predict how much Yttrium-90 will deposit in the tumor.

Contrast-Enhanced Subharmonic Ultrasound Imaging in Improving Characterization of Adnexal Masses in Patients Undergoing Surgery

This pilot clinical trial studies how well contrast-enhanced subharmonic ultrasound imaging works in improving the characterization of adnexal masses in patients undergoing surgery. Contrast-enhanced subharmonic ultrasound imaging uses high-frequency sound waves to produce images of internal organs and when combined with an ultrasound agent such as perflutren lipid microsph...

Contrast-Enhanced Ultrasound Diagnosis of Acute Appendicitis

This study evaluates the ability of contrast-enhanced ultrasound to improve the diagnosis of acute appendicitis in children compared to conventional ultrasound.

Ultrasound Guided Knee Injections in Musculoskeletal Medicine

This study will compare the accuracy and patient reported outcomes between four different techniques used to perform a knee injection.

Primary Non-invasive Cardiac Computed Tomography Versus Routine Invasive Angiography Prior to TAVI

This pilot study is a prospective, randomized, open-label trial that aims to assess the feasibility of comparing a primary Computed tomography/Cardiac computed tomography angiography (CT/CCTA) strategy (test arm) to a strategy combining routine use of CT/CCTA and invasive CA (control arm) prior to a Transcatheter aortic valve implantation (TAVI) procedure. The study will al...

Retrieval of Sperm From Men With Azoospermia Using Ultrasound-guided Rete Testis Aspiration

The objective of this study is to use ultrasound-guided rete testis flushing and aspiration technique to retrieve sperm, non-surgically, from the testes of azoospermic men. If sperm are retrieved by this method, it will provide a direct benefit to the infertile men. This protocol will also establish the safety and feasibility of the ultrasound-guided rete testis injection a...

Intraoperative Ultrasound in Patients Undergoing Transsphoidal Surgery for Pituitary Adenoma

Pituitary adenoma can be difficult to cure with approximately a third of patients in contemporary series' undergoing incomplete resection. Over the last decade or so a handful of groups have described the use intraoperative ultrasound to improve resection. Although limited, these proof-of-concept studies suggest intraoperative ultrasound is a safe and effective technologica...

The Impact of Point-of-Care Ultrasound

Point-of-care ultrasound (POCUS) has been found to be useful for aiding in the prediction of fluid responsiveness. It is unknown if trainees can effectively utilize this tool to improve their assessment of fluid responsiveness. In this prospective, observational study, pulmonary and critical care fellows are asked to make 2 assessments of fluid responsiveness in adults wit...

Ultrasound Assessment of Heart and Lungs for Hip Fracture Procedure

The investigators would like to investigate whether performing ultrasound assessments in patients undergoing surgery for hip fractures is able to identify previously undiagnosed heart or lung conditions. The investigators would like to determine whether information provided by this ultrasound assessment is significant enough to alter the anesthetic management plan of these ...

Long Term Predictors of Graft Patency After Coronary Artery Bypass Graft Surgery (Multi-slice CT Coronary Angiography Study Validated by Coronary Angiography)

To detect and evaluate the predictors of graft patency after coronary artery bypass graft surgery as assessed by multi-slice CT coronary angiography validated by coronary angiography

Transvaginal Ultrasound and Photoacoustic Imaging of the Ovary

The investigators have developed co-registered photoacoustic and ultrasound (US) imaging technique that allows the investigators to visualize tumor structure and functional changes simultaneously, which may potentially reveal early tumor angiogenesis development that is not available by US alone. The ability to detect early angiogenesis changes, as well as tumor morphology ...

Fluorescein Angiography With a Full-dose Versus a Half-dose of Intravenous Fluorescein

Fluorescein angiography is a common procedure used in ophthalmology to diagnose and monitor diseases of the eye. The standard dose of fluorescein dye used in fluorescein angiography is 500mg. It is common practice to give patients who have previously had an adverse reaction to fluorescein dye a half-dose, or 250mg, of fluorescein. It has been determined by our institution t...

Evaluation of Lung Ultrasound in Acute Heart Failure

Acute heart failure is a life threatening condition requiring rapid diagnosis and treatment. However, the differentiation between heart failure and other conditions presenting with acute dyspnea is notoriously difficult in the emergency room. Point-of-care lung ultrasound is a simple, rapid and noninvasive technique directly visualizing fluid content in the lung as evidence...

Ultrasound Assessment of BC in the NICU

The overall objective of the proposal is to evaluate the ability of ultrasound to predict and routinely (weekly) monitor changes in the body composition of healthy preterm infants in the neonatal intensive care unit (NICU) in response to nutritional intake. The investigators hypothesize that ultrasound is an accurate method to routinely monitor the quality of weight gain an...

HEAD-US SCORING SYSTEM: Assessment of the Real-world Impact of Ultrasound

Ultrasound represents a promising technique for the assessment of joint health in persons with haemophilia (PWH) by non-imaging specialists. The Haemophilia Early Arthropathy Detection with Ultrasound (HEAD-US) programme has been developed with the aim of integrating joint ultrasound in the routine assessment of PWH through the use of a simplified scoring system. The inter-...

Women Health Cohort for Breast, Bone and Coronary Artery Disease

A single center cohort which enrolled women who performed mammography, bone densitometry (DEXA), and coronary CT angiography in Seoul National University Bundang Hospital from March 2011 to February 2013.

Ultrasound Evaluation of Crohn's Disease

The purpose of this study is to assess the effectiveness of a new ultrasound technology for evaluating Crohn's disease.

Safety and Efficacy of Sonohysterosalpingography for the Evaluation of Infertility

This pilot study is a collaborative effort between Northwell Health's Departments of Fertility and Radiology.The aim of this study is to evaluate the feasibility of the Sonohysterosalpingography (sonoHSG) for it to be determined as the standard of care. Additionally, it aims to improve the work up of infertility by integrating the examination of structural abnormalities of ...

Ultrasound-guided Peripheral IJ Study

Difficult venous access in some patients such as those with obesity, IV drug use, chronic illness, or vascular pathology often causes increased discomfort and delayed patient care due to multiple attempts to gain venous access. If access is achieved at all, it usually results in a much smaller catheter than needed to provide optimal care for the patient. Ultrasound-guided p...

Cardiac MRI in Front Line for the Diagnosis of Coronary Artery Disease as the Etiology of Left Ventricular Dysfunction

When a patient is newly diagnosed of systolic dysfunction without obvious etiology (such as rhythmic, ischemic, or valvular disease), most of the time a coronary angiography is performed. In this situation, the investigators aim to evaluate a strategy with CMR as the front line exam, and invasive coronary angiography performed only in case of ischemic scar on CMR

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