Articles
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247 results found
Article
Onyx
OnyxTM is the trade name for a liquid embolic agent used in interventional radiology for the occlusion of blood vessels in embolization therapy. It is an elastic copolymer (ethylene vinyl alcohol copolymer (EVOH)), dissolved in dimethyl-sulfoxide (DMSO). Micronised tantalum powder is also added ...
Article
Woggle technique (interventional procedure)
The Woggle technique is the purse-string suture modified using to close a puncture site after a percutaneous procedure.
Techniques common to all procedure include:
a purse-string suture is done around the introducer sheath (the short plastic tube placed within a vein or artery)
cut the needle...
Article
O'Kelly-Marotta grading scale
The O'Kelly-Marotta (OKM) grading scale is a proposed method of assessing the degree of angiographic filling and contrast stasis in the setting of intracranial aneurysms treated by endovascular flow diversion. Taking into account the dynamic nature of the contrast stasis, it is designed for use ...
Article
Double lumen cannula for VV ECMO
The double lumen cannula enables veno-venous extracorporeal membrane oxygenation (VV ECMO) to patients with severe respiratory failure. It is often used as a bridge to lung transplant.
The cannulation is usually performed via the right jugular vein. This position allows the patients to stay aw...
Article
Patient safety checklist (interventional radiology)
Patient safety has been defined as the absence of preventable harm to a patient during the process of healthcare. Patient safety checklists have been developed by interventional radiologists to govern patient safety and they are useful for the practitioner to keep in mind to ensure every patient...
Article
Arteriovenous access
Arteriovenous access is required for haemodialysis in renal failure patients. The upper limb is generally preferred as a site, however, lower limb access can also be obtained. Ultrasound is the preferred modality for evaluation of the vessels prior to creating an access.
Types
arteriovenous fi...
Article
Chorionic villus sampling
Chorionic villus sampling (CVS) is an antenatal procedure for prenatal diagnosis of chromosomal or genetic disorders in the fetus. It entails getting a sample of the chorionic villus (placental tissue) and testing it.
A transabdominal or transcervical approach is selected depending on the posit...