View clinical trials related to Necrosis.
Filter by:Heart failure (HF) is an enormous health burden affecting approximately 5.1 million people in the US and is the cause of 250,000 deaths each year. Approximately 50% of HF is caused by myocardial ischemia and requires immediate restoration of coronary blood flow to the affected myocardium. However, the success of reperfusion is partly limited by intramyocardial hemorrhage, which is the deposition of intravascular material into the myocardium. Hemorrhagic reperfusion injury has high prevalence and patients have a much greater risk of adverse left ventricular remodeling, risk of fatal arrhythmia, impaired systolic function and are hospitalized at a greater rate. Recent magnetic resonance imaging techniques have improved assessment of reperfusion injury, however, the association between MRI contrasts and reperfusion injury is highly unclear, and lacks specificity to IMH. Improved imaging of IMH and accurate knowledge about its spatial and temporal evolution may be essential for delivery of optimal medical therapy in patients and critical to identify patients most at risk for adverse ventricular remodeling. The overall goal is to investigate the magnetic properties of hemorrhage and develop MRI techniques with improved specificity to hemorrhage. New MRI techniques permit noninvasive assessment of the magnetic susceptibility of tissues and can target tissue iron. Therefore, the investigators hypothesize that MRI imaging of myocardial magnetic susceptibility can map hemorrhagic myocardium. The investigators will perform a longitudinal observational study in patients after reperfusion injury to validate these methods, compare the methods with conventional MR contrasts and develop MR methods for imaging humans.
To demonstrate safety and effectiveness of lumen-apposing metal stents for resolution of walled off pancreatic necrosis (WONs) in patients with WONs with solid component >30%.
The object of this study is to compare the effect of Calcium Hydroxide and Di-antibiotic paste as intracanal disinfectants in the 1st visit of revascularization of necrotic immature permanent anterior teeth.
Post-market clinical outcomes study to collect data on the short- and long-term outcomes for subjects who are undergoing or have undergone the Subchondroplasty® (SCP®) Procedure in the hip in a standard clinical setting. Outcomes to be assessed include medication usage, pain, function, activity levels and patient satisfaction.
Skin flaps following mastectomy breast surgery that do not have enough oxygen are at risk for necrosis which can increase wound healing problems, postoperative recovery time and be costly to the hospital systems and affect the patient quality of life, poor esthetic results and overall reconstructive success. Mastectomy skin flap necrosis (MSFN) has an incidence of 10-15% with higher rates (7% - 30%) in mastectomy procedures with immediate reconstruction. Intraoperative assessment of the circulation in skin flaps is currently done with clinical assessment tools utilizing somewhat subjective identifiers such as flap color, capillary refill, temperature and dermal edge bleeding to determine the viability of the flap. Several technologies have been developed to assist in the clinical judgement of skin flaps but these technologies are not yet widely used because of the cost of the technology, the time required to image the patient, the intravenous injection of indocyanine green (ICG) dye required for contrast and the inability to image repeatedly and in different environments (pre-op, intra-op and post-op). A new commercially available imaging technology uses NIR spectroscopy to measure regional tissue hemoglobin oxygenation, using images that are taken 12 inches away from the patient. Preclinical data shows that NIR can predict necrosis in flaps but clinical data is needed to characterize and assess the value of the technology in plastic and reconstructive surgery. The purpose of this research study is to explore the ability of NIR imaging to predict skin flap tissue viability in the clinical setting of immediate breast reconstruction procedures. Study Design: This is a prospective, non-interventional study that will explore the ability of NIR imaging to predict of tissue viability in immediate breast reconstruction procedures. Necrosis will be scored using the SKIN score. Participation in the study will not impact patient care; all patients will receive standard care.
A prospective , observational, multi-centre, cohort study of the G7™ Acetabular System used with compatible femoral stems in patients with degenerative disease of the hip. The study will be enrolled onto Beyond Compliance.
Prospective observational (non-interventional) cohort study, multi-centric in 5 study Centers in Japan to collect short term clinical and radiological results of the cementless Bicontact® E stem in a standard patient population used in routine clinical practice
This study is a Post Market Clinical Follow-up study to fulfill the post market surveillance requirements. The data collected from this study will serve the purpose of confirming safety and performance of the TESS Shoulder System.
This data collection project is intended to provide clinical outcomes data to engineering, marketing as well as fulfill the post market surveillance requirements of various regulatory authorities. The study will be a prospective and one-arm.
The purpose of this study is to evaluate the effectiveness of a honey-impregnated wound dressing at removing necrotic tissue in subjects with chronic foot or ankle wounds.