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  • Title: Incidence, Risk Factors, and Prognosis of Tricuspid Regurgitation After Cardiac Implantable Electronic Device Implantation: A Systematic Review and Meta-analysis.
    Author: Zhang XX, Wei M, Xiang R, Lu YM, Zhang L, Li YD, Zhang JH, Xing Q, Tu-Erhong ZK, Tang BP, Zhou XH.
    Journal: J Cardiothorac Vasc Anesth; 2022 Jun; 36(6):1741-1755. PubMed ID: 34389210.
    Abstract:
    This study aimed to determine the pooled incidence, risk factors, and clinical prognosis of tricuspid regurgitation (TR) deterioration after implantation of a cardiac implantable electronic device (CIED). The study was designed as a meta-analysis of randomized controlled trials and observational studies. Patients with indications for CIEDs were selected as participants and CIED implantation was the intervention. PubMed, EMBASE, the Cochrane Library, China National Knowledge Infrastructure, Wanfang Data, and China Science and Technology Journal Database were searched systematically to identify studies. Thirty-seven studies with 8,144 patients were included. The pooled incidence of TR deterioration of at least one grade was 25.1% (95% confidence interval [CI], 20.9-29.3; Z = 11.60; p < 0.01; I2 = 94.8%, p < 0.01). Compared with TR incidence after permanent pacemaker implantation, that after implantable cardioverter-defibrillator implantation did not significantly increase (22.68% v 29.18%; odds ratio [OR], 0.615; 95% CI, 0.271-1.339; Z =1.16; p = 0.246). The pooled incidence of TR deterioration of at least two grades was 9.4% (95% CI, 6.6-12.1; Z = 6.72; p < 0.01; I2 = 86.0%, p < 0.01). Lead interference (OR, 8.704; 95% CI,4.450-17.028; Z= 6.32; p < 0.001) and pacemaker implantation time (OR, 1.153; 95% CI, 1.082-1.229; Z = 4.37; p < 0.001) were risk factors for worsening TR. Baseline atrial fibrillation, age, baseline mild TR, and left ventricular ejection fraction were not associated with TR. All-cause mortality (>one year after pacemaker implantation) was higher in patients with TR deterioration (hazard ratio, 1.598; 95% CI, 1.275-2.002; Z = 4.07; p < 0.01; I2 = 0%). TR is a common complication after CIED implantation. Lead interference and pacemaker implantation time were risk factors for TR worsening. Compared with patients without TR deterioration after pacemaker implantation, patients with TR deterioration had a poorer prognosis.
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