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Filter by:Rationale: Hepatic encephalopathy (HE) is a major and common complication in patients with liver cirrhosis. HE can be classified in the extensive range of neurocognitive deterioration as minimal HE (MHE), covert HE (grade I), or overt HE (OHE, grade II-IV). Liver cirrhosis is the most common cause of portal hypertension (PH). Patients who develop complications of PH, like variceal bleeding or refractory ascites, can benefit from a Transjugular Intrahepatic Portosystemic Shunt (TIPS) placement. Unfortunately, post-TIPS HE is a common and often severe complication. Incidence of new onset or worsening of HE after TIPS is approximately 20-45%. Currently there is no strategy to prevent post-TIPS HE.
Myocardial protection is a major issue in cardiac surgery, since inadequate protection increases the risk of postoperative cardiac dysfunction. The main principle of myocardial protection in cardiac surgery is to preserve myocardial function by preventing ischemia with blood cardioplegia . Previous studies have shown that adenosine as an adjunct to blood cardioplegia can be safely used in cardiac surgery. In the Amphia Hospital, adenosine is already used as standard care as an initial cardioplegic bolus in minimally invasive port access operations. Whether, adenosine as an adjunct to intermittent warm blood cardioplegia, has an added value remains unclear. Therefore the investigators would like to investigate the effect of the addition of adenosine to standard intermittent warm blood cardioplegia in patients scheduled for minimally invasive, port access operations (mitral valve surgery). Half of the participants will receive standard intermittent warm blood cardioplegia, while the other half will receive intermittent warm blood cardioplegia enriched with adenosine.
The objective of this study is to characterize the safety, efficacy and pharmacokinetic profiles of Optimark at the standard clinical dose of 0.1 mmol/kg in the pediatric patient population.
The aim of this study is to compare collagen composition in the skin and fascia of patients with recurrent or incisional hernias versus normal controls. We will identify potential genes responsible for genetic alterations in collagen deposition by using gene chip analysis of the tissue obtained and comparing the hernia group versus controls. The ultimate goal of this study is to identify target genes which may help us eventually predict which patients are at risk for developing post-operative hernias.