A case of medical management of tricuspid regurgitation related to atrial fibrillation with constrictive pericarditis-like hemodynamics

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Abstract

Severe tricuspid regurgitation (TR) is reported to represent a hemodynamic pattern similar to that of constrictive pericarditis (CP), which should be clearly differentiated for appropriate management. We report the case of a patient with severe TR due to atrial fibrillation (AF) in whom hemodynamic monitoring played a role in the selection of the management strategy. An 81-year-old Japanese man with chronic AF was admitted due to worsening heart failure. Echocardiography showed the dilation of bilateral atria and a right ventricle with severe TR. The right heart catheterization demonstrated the elevation and equalization of diastolic pressures of four cardiac chambers with impaired diastolic filling pattern, which are hallmarks of pericardial constriction due to CP. Of note, the CP-like hemodynamics were completely normalized by 10 days of medical therapies including diuretics and carperitide. After his discharge and over a 1-year follow-up, he has never experienced worsening heart failure and remained NYHA class II with moderate TR. Medical management targeted at volume reduction and vasodilation can be a therapeutic option for CP-like hemodynamics in isolated severe TR related to AF. Repeated hemodynamic assessment is an appropriate tool to help our understanding of the CP-like physiology caused by severe TR based on chronic AF. <Learning objective: Atrial fibrillation (AF)-related severe tricuspid regurgitation (TR) is sometimes reported to hemodynamically mimic constrictive pericarditis. However, it has never been described whether such a hemodynamics could be reversed by medical treatment alone. Repeated pressure monitoring may be helpful to obtain important clues for the diagnosis and the therapeutic strategy in pericardial constraint due to AF-related TR.>

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Kato, Y., Fukushima, A., Iwano, H., Kamiya, K., Nagai, T., & Anzai, T. (2018). A case of medical management of tricuspid regurgitation related to atrial fibrillation with constrictive pericarditis-like hemodynamics. Journal of Cardiology Cases, 18(5), 175–179. https://doi.org/10.1016/j.jccase.2018.07.004

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