2. Department of Cardiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
3. Department of Cardiology and Pneumology, Heart Center, Georg-August-University Goettingen, Goettingen, Germany
4. Department of Internal Medicine III, Division of Cardiology, Pneumology, Angiology and Intensive Care, University of Cologne, Cologne, Germany
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The Cardioband Tricuspid Valve Reconstruction System is a size-adjustable tricuspid reconstruction device for interventional treatment of tricuspid regurgitation (TR). Contraction of the device after successful implantation can be associated with an acute deformation of the right coronary artery (RCA). So far, there are no data on the persistence and clinical significance of acute RCA deformation following Cardioband implant procedures.
Methods and Results
Data from all patients with intraprocedural RCA deformation during Cardioband implantation were collected from four centers between October 2018 and January 2020. Control angiographies were performed in all of these patients before discharge.
RCA deformation occurred in 14 out of 51 patients. Follow up coronary angiography showed a complete resolution of deformation in all cases while patients remained clinically asymptomatic and had an uneventful postinterventional course. Intraprocedural coronary stent implantation was performed in two of the earlier cases according to the personal assessment of the implanters.
RCA deformation is relatively frequent following interventional tricuspid annuloplasty but appears to be completely reversible in the absence of flow impairment or vascular damage. Based on our early experience watchful waiting is the most appropriate strategy to avoid unnecessary coronary interventions.
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