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Browse 9,572 clinical trials for ulcerative colitis. Find studies that match your criteria and connect with research centers.
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NCT04556019
The main aims of this study are: 1. \- to evaluate post-surgical morbidity and mortality outcomes, following the criteria and the definitions from Claven-Dindo and ISGPS international classifications, of the patients operated by the HPB Surgical Unit. 2. \- to evaluate survival and disease-free survival rates of the patients operated by the HPB Surgical Unit due to tumoral cause.
NCT04556942
There is increasing evidence showing an association between COPD and cardiovascular disease which is independent from smoking. Recently, it has been shown that FMD of the brachial artery, a surrogate marker of endothelial function, is improving after lung volume reduction surgery (LVRS) in patients with severe emphysema. Thus, hyperinflation might be an independent risk factor of atherosclerosis. Bronchoscopic lung volume reduction (BLVR) using endobronchial valves is a minimal-invasive procedure to decrease hyperinflation in patients with severe emphysema. Eventually, successful BLVR with target atelectasis may have the same effect on FMD compared to LVRS, which would underpin the association between hyperinflation and endothelial function. Patients receiving routinely performed BLVR using endobronchial valves due to severe emphysema with hyperinflation are eligible for this study. After obtaining written informed consent, the participating patients will be randomized into an immediate (within 1-2 weeks) BLVR group and a delayed BLVR group (6-8 weeks). Patients in both groups will undergo baseline measurement of primary and secondary endpoints. Immediate BLVR group will be re-assessed 4-6 weeks after successful EBV treatment, whereas the delayed BLVR group will be re-assessed prior EBV treatment. Results of group 1 and 2 will be compared for final analysis.