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Pubmed for Handhelds

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  • Title: Comparison of Outcomes in Patients With Heart Failure With Versus Without Lead-Induced Tricuspid Regurgitation After Cardiac Implantable Electronic Devices Implantations.
    Author: Seo Y, Nakajima H, Ishizu T, Iida N, Sato K, Yamamoto M, Machino-Ohtsuka T, Nogami A, Ohte N, Ieda M.
    Journal: Am J Cardiol; 2020 Sep 01; 130():85-93. PubMed ID: 32622503.
    Abstract:
    Cardiac implantable electronic devices (CIED) implantations may cause lead-induced tricuspid regurgitation (LITR). Although patients with CIED have the risk of functional non-lead induced TR (Non-LITR). This study aimed to compare of clinical outcome between LITR and Non-LITR. The mechanism of TR was determined by 3-dimensional echocardiography. The primary end point was heart failure (HF) hospitalizations after CIED implantation. In patients with HF events, subsequent clinical outcomes after HF hospitalization were compared between no TR, LITR, and Non-LITR groups. In eligible 373 patients, 67 patients had HF hospitalization, of whom worsened TR was observed in 49 patients. In the remaining 307 patients, worsened TR was observed in only 10 patients (3.3%). Of the 49 patients with worsened TR, 18 patients (37%) had LITR. In 67 patients with HF hospitalization, 25 patients (37%) met rehospitalization. All severe LITR persisted after HF events. Meanwhile, severe Non-LITR improved to moderate or mild level. Cox proportional hazard model analyses revealed LITR was the independent risk factor of rehospitalization. Both LITR and Non-LITR were common at HF events after CIED implantations. However, LITR persisted and might contribute to a worse prognosis. In patients with TR after CIED implantations, 3-dimensional echocardiography should be performed to diagnose the LITR accurately, which may contribute to improving the clinical outcome.
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