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Lower gastrointestinal bleeding occurs distal to the ligament of treitz and may involve the small bowel, colon and rectum . Active lower gastrointestinal bleeding is a common, potentially life threatening medical presentation that can be challenging to localize and treat . There are many diseases that may cause lower gastrointestinal bleeding, including angiodysplas...
The investigators plan to evaluate the correlation between carotid plaque enhancement on Contrast-enhanced ultrasound (CEUS), significant coronary artery disease (CAD), and cardiovascular (CV) outcomes in a systematic manner. The investigators hypothesize that increased levels of CEUS-detected vulnerable carotid plaque will be predictive of CV risk determined by angiography...
Headache affects the daily quality of life of patients. It has been reported that headaches may be associated with neck muscles, neck movements and trigger points in the neck Drug and non-drug treatments can be used today in the treatment of headaches. Various physical therapies are applied to cranial and cervical regions in non-drug therapies. Therapeutic ultrasound, Trans...
Findings in neuroscientific research show that the environment one lives in has measurable effects on brain morphology and functioning. Human exposure to airborne infra- and ultrasound has been constantly increasing during the last decades. For instance, the European Renewable Energy Directive, established in 2009, lead to an increased use of wind turbines, generating infra...
The study of this study is to evaluate the age influence on cortical bone strength properties by two methods:HR-pQCT (HighResolution-peripheral quantitativeComputedTomography) and ultrasound. The main objective consists in the evaluation of the age influence on cortical thickness at 1/3 distal radius measured by US.
The aim of the study is to assess the efficiency and limitations of ultrasound in detecting and characterizing laryngeal anatomy and study of some laryngeal disorders and their ultrasonographic appearance.
The study is designed as a prospective comparative study. All patients will receive prophylactic anticoagulation according to routine hospital protocol after surgery. A bedside ultrasound examination will be performed by a trained anesthesiologist prior to the surgery and then daily beginning on postoperative day 2 until patient discharge.
Obtaining intravenous access (IVA) is the most common procedure performed in the emergency department (ED). Placement of IVA allows for blood work and delivery of intravenous fluids and medications. The implementation of ultrasound guided peripheral IVs (UGPIV) have allowed for ultrasound to be used to place an IV into patients with difficult vein access (DVA). An alternati...
Objective: To compare between the role of Transabdominal ultrasound versus Transvaginal ultrasound in evaluation of placental invasion in cases of placenta previa anterior wall with previous uterine scar applying the unified ultrasonographic descriptors suggested by the European working group on abnormally invasive placenta "EW-AIP' Also to evaluate the sensitivity and ...
This study is directed to evaluate the role of Optical Coherence Tomography Angiography (OCT-A) in the evaluation of the perifoveal vascular network in type 1 diabetic patients, and to investigate the relationship between OCT-A-derived parameters and demographic and clinical factors, as metabolic control and duration of the disease.
This study in part of a larger cohort study (clinical trials ID number: NCT03375333) that examine the use of ultrasound in general practice. In the present study patient experiences, with use of ultrasound in the consultation at the general practitioners office, will be explored through a questionnaire.
Ultrasound study focused on salivary gland outcomes in Sjogren's subjects
Around 50% of patients that present with ST Elevation Myocardial Infarction (STEMI) have residual disease in the non-culprit lesions. If the residual disease should be treated, what should guide intervention? Fractional Flow Reserve (FFR) has been proposed as a guide for intervention, however new developments in cardiovascular magnetic resonance (CMR) allows for non-invasiv...
This study is conducted in order to determinate the faisability of an intraoperative ultrasound to mesure the positioning of prostheses during laparoscopic promontofixation.
The goal of this clinical research study is to find out if ultrasound scans using a contrast agent called Lumason (sulfur hexafluoride lipid-type A microspheres) can help doctors more easily find liver lesions (including hepatocellular carcinoma [HCC]), compared to ultrasounds without contrast agent. Contrast agents are drugs that are injected into a vein in order to help c...
Comparison of OCTA to conventional imaging modalities for the diagnosis of eye diseases in children
Comparison of the proportion of Psoriatic arthritis patients in ultrasound remission (i.e. no power Doppler synovitis, tenosynovitis, dactylitis, enthesitis, PD=0) depending on whether patient and physician's global assessment of disease activity are in agreement or in disagreement.
This randomized, multicenter, prospective study seeks to compare left radial and femoral access during cardiac catheterization of patients with prior history of CABG surgery, with the primary objective of demonstrating that the two access techniques do not differ in the net procedure time (non-inferiority study) expanding the documented benefits of radial access to this gro...
In many diseases of the vitreo and chorioretinal complex, perfusion changes have a diagnostic, prognostic or causative role. The visualisation of perfusion was limited to invasive techniques, which were only to depict vasculature in one plane. Optical coherence tomography is able to visualise and quantify eye perfusion layer-specific and non-invasive.
This is a randomized, controlled, parallel study to determine the difference in post-operative anastomotic leak rate of colorectal anastomosis where colon and rectal tissue perfusion is evaluated using fluorescence angiography with indocyanine green and without this method.
Detection if there is association between spasm of accommodation and smart phone abuse by ultrasound biomicroscopy on anterior segment of the eye
compare the efficacy of of ultrasound guided SWL versus dissolution therapy versus combined SWL and dissolution therapy in management of 1 - 2.5 cm renal stones.
this randomized controlled trial will compare the impact of routine use of completion angiography versus using it on selective bases after thromboembolectomy in patients with acute lower limb ischemia and their impact on limb salvage rates
Carpal tunnel syndrome (CTS) is the most common peripheral entrapment neuropathy with involving compression of the median nerve in the carpal tunnel. Although many conservative managements of CTS, the effectiveness of these methods is insignificant or only persist for a short duration. The technique of nerve hydrodissection is now commonly used for peeling the nerve from su...
This study evaluates the effectiveness of ultrasound in term pregnant patients posted for elective lower segment cesarean sections and compared them with non pregnant females posted for elective surgeries.