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Browse 6,279 clinical trials for heart disease. Find studies that match your criteria and connect with research centers.
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NCT04733443
This study consisted of a randomized controlled trial group and a long balloon observation group. In the randomized control group, 280 subjects with in-stent restenosis were planned to be recruited and randomly assigned to the test group and the control group in a 1:1 ratio; 30 consecutive subjects will be enrolled in the long balloon observation group, using graceful molimus release coronary balloon catheter with length of 45mm; All 310 subjects were followed up at baseline, surgery, discharge, 1 month after surgery, 6 months after surgery, 9 months after surgery, 1, 2 and 3 years after surgery, and angiography was performed at 9 months after surgery.
NCT04945538
During diagnostic and interventional coronary procedures scatter radiation exposure is recorded with live-dosimeters at pre-specified anatomic regions of operators and sterile assistants. Scatter radiation data is correlated with detailed Xray exposure data and technical details of the procedure. The purpose of the registry is: 1. to establish scatter radiation reference values based on a large number of representative cath-lab procedures 2. to identify technical and clinical factors predisposing for high scatter radiation exposure, 3. to evaluate advanced radiation protection devices in clinical routine.