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Untangling of knotted urethral catheters
Andrew J Sambrook1, Alistair Todd
1Department of Radiology, Aberdeen Royal Infirmary, Foresterhill Road, Aberdeen, AB25 2ZN, UK. ajsambrook@doctors.org.uk
Abstract:
Intravesical catheter knotting during micturating cystourethrography is a rare but recognized complication of the procedure. We were able to untangle a knot utilizing a fluoroscopically guided vascular guidewire. Following this success, a small study was performed using a model. Various types of guidewires and techniques were tested for different diameters of knots in order to predict the likelihood of success in this type of situation.
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