View clinical trials related to Liver.
Filter by:This clinical registry study aims to evaluate the safety and effectiveness of the AE05ML device for ligating vessels and tissue structures during laparoscopic surgery using Hem-o-lok® Medium Large (ML) polymer clips. The primary objective is to assess the device's safety and performance, with secondary objectives focusing on device performance characteristics and operator feedback.
This study will be a pilot study to evaluate the feasibility, safety and acceptability of Exercise and Liver FITness (EL-FIT), a mHealth exercise training program previously validated in patients with cirrhosis in patients with nonalcoholic steatohepatitis.
Hepatitis B virus (HBV) infection is a very difficult public health problem in the world. Patients often experience the trilogy of "hepatitis-cirrhosis-liver cancer". Patients with decompensated cirrhosis may develop a variety of complications, such as portal hypertension, hypersplenism, esophageal and gastric variceal bleeding, ascites, spontaneous peritonitis, hepatic encephalopathy, etc. Liver transplantation is the only way to cure hepatitis B cirrhosis. However, the shortage of liver donors still severely limits its development. In 2015, Line and others proposed a new surgical method, namely resection and partial liver segment 2-3 transplantation with delayed total hepatectomy (RAPID). This surgery innovatively combines auxiliary liver transplantation and ALLPS surgery, which can greatly alleviate the problem of liver donor shortage and improve the overall prognosis of the above-mentioned patients. Our center has designed the Sequential Adult Left Lateral Liver Transplantation (SALT) procedure based on the principles of RAPID surgery and the characteristics of patients with cirrhosis. Compared with RAPID surgery, SALT surgery can dynamically monitor and regulate the blood flow of the residual liver and transplanted liver, reducing the risk caused by portal hypertension. This study will evaluate the safety and effectiveness of SALT in the treatment of post-hepatitis B cirrhosis.
To learn if an accelerated recovery program can shorten the length of hospital stay in patients having minimally invasive liver surgery.
Procedure preparation and accurate knowledge of the specific anatomy is an integral part of performing minimally invasive procedures. Due to the complexity with high variability and the non-visibility of the vascular structures, the liver poses a particular challenge. Therefore medical students and experienced surgeons will receive standardized, structured training on liver anatomy, the use of laparoscopic ultrasound and the application and use of CT data sets and the virtual 3D liver model. This training will be evaluated by questionnaires. Both groups then carry out a series of localization exercises on an artificial liver phantom: tumor imitations, which are displayed in the image(3D virtaul mdoel or 2D-CT-Data-Set), have to be found in the liver phantom laparoscopically using ultrasound. In each round, different scenarios are worked on, once without and then with the support of the virtual 3D liver model. The virtual 3D model can be displayed directly on the laparoscopic monitor using a display software specially developed for the trial and can be manipulated by the subjects. The aim of the study is to provide evidence that the availability and use of a virtual 3D model (augmented reality) leads to a significantly improved spatial perception of the subjects during laparoscopy of the liver. In addition, the subjectively perceived cognitive load of the subjects during the test run with and without the support of the virtual 3D model is surveyed and the learning success is evaluated.
According to the hypothesis of this study presented, the effects of smoking on the fetus can be determined by the liver circulation and hepatic metabolism. The basic assumption of this project is; Compensatory and pathological findings can be seen in the fetal liver circulation in babies of mothers who smoke and the findings can be valuable in predicting the direction of fetal development (growth retardation or normal development). In this study, the flow and shunt amounts in the fetal hepatic vessels in normal and smoking pregnant women will be calculated with the help of Doppler US.
A prospective clinical trial to study the safety and effectiveness of Transcatheter Artery Chemotherapy and Embolization (TACE) using CalliSpheres Drug-Eluting Beads with oxaliplatin (DEBOXA) in treating patients who have inoperable neuroendocrine neoplasm (NEN) liver metastases.
A retrospective clinical trial to study the safety and effectiveness of hepatic arterial infusion (HAI) in treating patients who have nasopharyngeal carcinoma metastatic to the liver. Hepatic-direction drug administration improves the control power for intra-hapatic lesions.
Computed Tomography (CT) is widely used in abdominal imaging for a variety of indications. Contrast media (CM) is used to enhance vascular structures and organ parenchyma. Attenuation of the liver makes it possible to recognize hypo- and hypervascular lesions, which are often invisible on unenhanced CT images. Lesions can only be detected in case they are large enough and the contrast with the background is high enough. Heiken et al. showed already in 1995 that a difference in Hounsfield Units (HU) of at least 50 HU is needed to be able to recognize liver lesions [1]. On the other hand, patients should not receive more CM than necessarily, because of possible underlying physiological effects [2-4]. Although there has been some controversy about this recently, there is no need to give patients more CM than needed, because of increased costs, no quality improvement and their might still be a relationship with contrast induced nephropathy (CIN) [5]. Recent publications suggested individualization of injection protocols that can be based on either total body weight (TBW) or lean body weight (LBW) [6-9]. In the investigators department an injection protocol based on TBW is currently used. Besides the CM injection parameters, scanner parameters are of influence on the attenuation as well. Because of recent technical developments it became possible to reach a good image quality (IQ) at lower tube voltages [10]. When the x-ray output comes closer to the 33 keV k-edge of Iodine, attenuation increases. In short, decreasing the tube voltage increases the attenuation of iodine. Scanning at a lower tube voltage therefore gives rise to even lower CM volumes. Lastly, it would be revolutionary to accomplish a liver enhancement that is homogenous, sufficient for lesion detection and comparable between patients and in the same patients, regardless of weight and scanner settings used.
In the past, the investigators often treated giant cavernous hemangiomas of the liver by hepatectomy.Recently RFA and laparoscopic hepatectomy are also available and could be applied to cure this disease.But we can't get a clear answer about their effectiveness and safety. Hence the investigators conduct this study to explore the effectiveness and efficiency of the these two methods and compare their short to mid-term outcomes.