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Transcatheter therapy for tricuspid regurgitation: The surgical perspective.

ABSTRACT: Tricuspid regurgitation (TR) remains a complex valve pathology affecting nearly two million people in the United States. Although it can present as a primary valve pathology, TR often presents as a late finding in patients with severe pulmonary disease or end-stage chronic heart failure. Surgical repair of isolated TR or TR from left-sided pathology has been associated with high morbidity and mortality. Furthermore, surgery for patients with TR and advanced cardiac disease has been associated with poor long-term outcomes. In recent years, transcatheter technology has emerged to target high-risk surgical patients with TR. Currently, multiple new transcatheter strategies to treat TR have shown initial benefit. However, further development of this technology is required. The aim of this perspective is to provide an overview of TR pathophysiology and to highlight the successful aspects of surgery for TR that provide insight for further translation of transcatheter strategies for patients with TR. These include replication of successful surgical techniques (ring-based annuloplasty and valve replacement) and the goal of achieving no to minimal residual TR following intervention. Earlier implementation of transcatheter valve repair to minimize TR progression and further development of transcatheter valve replacement strategies are also next steps in the translation of this technology.

SUBMITTER: Williams AM

PROVIDER: S-EPMC7381168 | biostudies-literature | 2019 Nov - Dec

REPOSITORIES: biostudies-literature

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Transcatheter therapy for tricuspid regurgitation: The surgical perspective.

Williams Aaron M AM Brescia Alexander A AA Watt Tessa M F TMF Romano Matthew A MA Bolling Steven F SF

Progress in cardiovascular diseases 20191101 6

Tricuspid regurgitation (TR) remains a complex valve pathology affecting nearly two million people in the United States. Although it can present as a primary valve pathology, TR often presents as a late finding in patients with severe pulmonary disease or end-stage chronic heart failure. Surgical repair of isolated TR or TR from left-sided pathology has been associated with high morbidity and mortality. Furthermore, surgery for patients with TR and advanced cardiac disease has been associated wi ...[more]

PMID: 31801700

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Project description:Severe tricuspid regurgitation is especially caused by pulmonary hypertension. Primary tricuspid regurgitation in the absence of pulmonary hypertension and of unknown etiology is a very rare condition with scarce data about its diagnosis, treatment, and follow-up. The particularities of surgery indication and outcomes are still not clearly known. A 72-year-old woman with a medical history of coronary artery bypass grafting three years ago presented with shortness of breath and low limb edema. Physical examination revealed a prominent bilateral jugular turgescence, hepatomegaly, peripheral edema, and a left midsternal border holosystolic murmur, suggestive of tricuspid regurgitation. The echocardiogram confirmed the diagnosis and showed preserved right and left ventricular dimensions and function. Coronary angiography showed no new obstructive lesions and patent surgical grafts. Right cardiac catheterization revealed mild pulmonary hypertension and increased right atrium pressure. Cardiac magnetic resonance showed mild right ventricular dilation with normal systolic function and normal left chambers. No late gadolinium enhancement was detected. Because of persistent symptoms, even after optimization of medical therapy, the patient was submitted to tricuspid valve replacement surgery. Immediately after the surgery, the patient developed significant right ventricular dysfunction, with the need of continuous hemodynamic support. She had progressive clinical recovery that was confirmed by serial echocardiograms that showed improvement in right ventricular volume and function. The patient was discharged with no signs or symptoms of right heart failure. The histopathological examination showed significant and diffuse myxomatous degeneration of the leaflets. No signs of infection or vegetation nor disruption of strands were observed. This report illustrates a very rare case of symptomatic primary isolated severe tricuspid regurgitation caused by myxomatous degeneration of the leaflets. The thoroughly diagnostic workup is presented, and only the histopathological analysis of the leaflets revealed the etiologic process. Surgical treatment indicated before the onset of right ventricular failure was essential to patient's full recovery.

Dataset Information

Transcatheter therapy for tricuspid regurgitation: The surgical perspective.

Publications

Transcatheter therapy for tricuspid regurgitation: The surgical perspective.

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