نتایج جستجو برای: guidewire
تعداد نتایج: 1644 فیلتر نتایج به سال:
We have developed a system to simulate a catheter and guidewire in blood vessels for surgical planning, intra-operative assistance and the design of new catheters. The guidewire model is composed of viscoelastic springs and segments. The proximal part of the guidewire model is constrained by the catheter model, which is fixed and assumed to be a rigid tube. The blood vessel model is a circular ...
AIMS Coronary guidewire-based diagnostic assessments with hyperemia may cause iatrogenic complications. We assessed the safety of guidewire-based measurement of coronary physiology, using intravenous adenosine, in patients with an acute coronary syndrome. METHODS We prospectively enrolled invasively managed STEMI and NSTEMI patients in two simultaneously conducted studies in 6 centers (NCT017...
BACKGROUND ST segment elevation allows the rapid identification of patients with acute myocardial infarction who benefit from emergency reperfusion. Primary percutaneous coronary intervention (PPCI) has emerged as the preferred perfusion strategy for patients presenting with ST segment elevation myocardial infarction (STEMI). METHODS AND RESULTS We studied the effects of the simple passage of...
A 69-year-old woman with chronic pancreatitis and recurrent pancreatic-type abdominal pain underwent computed tomography, which showed dilatation of the pancreatic duct. Subsequent endoscopic retrograde cholangiopancreatography revealed a fibrotic papillary stenosis preventing cannulation of the pancreatic duct. Endoscopic ultrasound (EUS)-guided rendezvous was attempted (●" Video 1). The pancr...
To the Editor: We read with interest the article by Gulel et al. who presented a case of a missed guidewire complicated by pulmonary and systemic embolism from thrombi that formed on the wire surface. We have previously reported on missing the guidewire during central venous catheterization and described several precautions and technical modifications to prevent the guidewire escape. We believe...
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