Abstract

BackgroundShone’s complex is a rare congenital heart disease consisting of a variety of left ventricular inflow and outflow tract lesions. Patients typically present in childhood requiring early surgical intervention; however, with improved surgical techniques, these patients are surviving later into adulthood. This increased survival comes with a new set of medical complications that providers need to be aware of.Case presentationA 27 year old man with a complex cardiac history including an incomplete Shone’s complex and persistent symptomatic atrial flutter presented with sharp chest pain radiating to his back. He was found to have type A aortic dissection on imaging in the setting of severe patient-prosthesis mismatch. He had multiple valvular surgeries in childhood. The patient was being followed-up as an outpatient for an enlarging chronic aortic aneurysm and was non-compliant with his medications. He was taken emergently to the operating room for a skirted Bentall procedure, aortic valve replacement, and right sided MAZE.ConclusionsShone’s complex is a rare congenital heart disease associated with significant morbidities including atrial flutter, patient-prosthesis mismatch, and aortic dissection. As patients continue to live longer into adulthood with this disease, it is important to raise awareness of this rare syndrome for providers and highlight its potential complications. Further research is needed to determine appropriate guidelines for when to intervene on aortopathy-associated CHD.

Highlights

  • Shone’s complex is a rare congenital heart disease consisting of a variety of left ventricular inflow and outflow tract lesions

  • Shone’s complex is a rare congenital heart disease associated with significant morbidities including atrial flutter, patient-prosthesis mismatch, and aortic dissection

  • Shone’s complex (SC) or syndrome is a rare congenital heart disease (CHD) that consists of 4 main anomalies: coarctation of the aorta (CoA), subaortic stenosis, parachute mitral valve (PMV) and supravalvular mitral ring

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Summary

Conclusions

Shone’s complex is a rare congenital heart disease associated with significant morbidities including atrial flutter, patient-prosthesis mismatch, and aortic dissection.

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