Wrong-way catheter during radial angiogram : An Illustration

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The commonest cause* for repeated entry of right radial catheter to descending aorta is not due to any anomaly. Most times,it is just a skewed angle between right brachio-cephalic artery with Aortic arch, that deflects the catheter to the descending aorta . Just make sure, aortic root is entered with a deeply held inspiration.

*Anomalies of the aortic arch, aberrant right subclavian, Kommerell’s diverticulum, vascular ring must be kept in mind.

 

Wrong-way catheter during radial angiogram : An Illustration 1

Postamble: A true abnormal course

Though, It might appear prudent to avoid the radial route when encountering anomalous subclavian arteries, the reality is different and adventurous. We have acquired great expertise and successful PTCAs have been done through these tortuous vascular highways.

This is a case report from Dr H.S. Isser, Gunjan Garg, from Safdarjung hospital New Delhi.

Wrong-way catheter during radial angiogram : An Illustration 2
A successful PTCA through arteria lusoria : The right subclavian connect to the descending aorta, distal to the left subclavian at the level of ductus arteriosus. and pass retrotracheal and retroesophageal before reaching right arm. Image source and courtesy: H.S. Isser, Gunjan Garg, Arteria lusoria: A challenge for transradial coronary interventionist, IHJ Cardiovascular Case Reports (CVCR), Volume 4, Issue 1, 2020,

 

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