ArticleJournal of artificial organs : the official journal of the Japanese Society for Artificial Organs2023
A unique cuff-sewing method to implant heartmate3 LVAD for arrhythmogenic right ventricular cardiomyopathy, facilitated by 3D-printing heart model.
Article in Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Applications of 3D Printing Technology in Diagnosis and Management of Heart Failure.Current treatment options in cardiovascular medicine · 2024Article
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11 authors at 2 institutions in 1 country.
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Abstract
Implantation of left ventricular assist device (LVAD) for arrhythmogenic right ventricular (RV) cardiomyopathy is challenging associated with small LV cavity, laterally dislocated LV apex, thin and fragile RV free wall. A 43-year-old male with more than 10 years of medical treatment developed congestive heart failure related to biventricular failure. Durable LVAD was indicated to prevent further deterioration of the RV function, which would be exacerbated by progression of LV dysfunction. To simulate surgery, we printed-out a 3D heart model based on enhanced CT scanning study to identify the optimal coring position in the LV apex, by which the inflow directs the mitral valve. We then found that the mini-cuff of the HeartMate3 should be fixed in the paper-thin RV free wall by the usual cuff-sewing method. In the surgery, after the coring as planned, 5 pairs of interrupted sutures on the medial side were passed from the luminal side of the LV and then to the mini-cuff, and the lateral side of the mini-cuff was fixed with a continuous sutures, not to sew into the RV wall. The surgery was completed without complications with a good hemodynamics. The 3D heart model facilitated this unique method, indicating a usefulness of printed-out heart model for cases with unusual cardiac anatomy, which needs implantation of durable LVAD.
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