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Coronary stent deployment in situs inversus
N Robinson1, P Golledge, A Timmis
1Department of Cardiology, St Bartholomew's Hospital and London NHS Trust, London EC1A 7BE, UK. nick1robinson@compuserve.com
Insights
Successful stent deployment in patients with situs inversus and dextrocardia is presented. This rare condition required specific catheter techniques for treating unstable angina.
Area of Science:
- Cardiology
- Medical Imaging
- Anatomical Variations
Background:
- Situs inversus with dextrocardia is a rare congenital condition affecting approximately 1 in 10,000 individuals.
- Unstable angina requires timely and effective intervention, even in patients with complex anatomical variations.
Observation:
- The case details the successful stent deployment for unstable angina in a patient with situs inversus.
- The procedure highlighted three key technical challenges related to the patient's unique anatomy.
Findings:
- Catheter selection for aortic arch orientation is critical; Judkins catheters are recommended for a right-sided aorta.
- Image interpretation may not require reversal, simplifying diagnostic assessment.
- Coronary engagement necessitates counter-intuitive catheter rotation compared to standard procedures.
Implications:
- This case demonstrates the feasibility of interventional cardiology in patients with situs inversus.
- It provides valuable insights into adapting standard techniques for rare anatomical presentations.
- Successful management can improve outcomes for patients with this condition.
Abstract:
Situs inversus with dextrocardia occurs in approximately one in 10 000 patients. Successful stent deployment for the treatment of unstable angina and situs inversus is presented. Three technical challenges associated with the procedure are highlighted. Firstly, the successful choice of diagnostic and interventional catheters is based on an understanding of the orientation of the aortic arch. With a right sided aorta Judkins catheters should be successful. Secondly, image reversal is not necessarily required for image interpretation. Thirdly, successful coronary engagement with catheters requires rotation in a direction opposite to that normally used.