Impact of Tricuspid Regurgitation on Clinical Outcomes: The COAPT Trial.

MedStar author(s):
Citation: Journal of the American College of Cardiology. 76(11):1305-1314, 2020 09 15.PMID: 32912445Institution: MedStar Heart & Vascular InstituteForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Heart Failure/dg [Diagnostic Imaging] | *Heart Failure/su [Surgery] | *Mitral Valve Insufficiency/dg [Diagnostic Imaging] | *Mitral Valve Insufficiency/su [Surgery] | *Tricuspid Valve Insufficiency/dg [Diagnostic Imaging] | *Tricuspid Valve Insufficiency/su [Surgery] | Aged | Aged, 80 and over | Echocardiography/td [Trends] | Female | Follow-Up Studies | Heart Failure/ep [Epidemiology] | Humans | Male | Middle Aged | Mitral Valve Insufficiency/ep [Epidemiology] | Surgical Instruments/td [Trends] | Treatment Outcome | Tricuspid Valve Insufficiency/ep [Epidemiology]Year: 2020Local holdings: Available online from MWHC library: 1995 - present, Available in print through MWHC library:1999-2007ISSN:
  • 0735-1097
Name of journal: Journal of the American College of CardiologyAbstract: BACKGROUND: The presence of tricuspid regurgitation (TR) may affect prognosis in patients with mitral regurgitation (MR).CONCLUSIONS: Patients with severe secondary MR who also had >=Mod TR had worse clinical and echocardiographic characteristics and worse clinical outcomes compared to those with <=Mild TR. Within the COAPT trial, MitraClip improved outcomes in patients with and without >=Mod TR severity compared with GDMT alone. (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation [COAPT]; NCT01626079). Copyright (c) 2020 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.METHODS: A total of 614 patients with symptomatic heart failure with moderate to severe (3+) or severe (4+) secondary MR were randomized to maximally tolerated GDMT plus MitraClip or GDMT alone; 599 had core laboratory evaluable echocardiograms. Patients were divided into 2 groups by baseline TR severity: none/trace/mild TR (<=Mild TR) (n = 501 [83.6%]) and moderate/severe TR (>=Mod TR) (n = 98 [16.4%]). Two-year composite endpoints of death or heart failure hospitalization (HFH) and the individual endpoints were analyzed.OBJECTIVES: This study sought to determine the impact of TR on outcomes in patients with heart failure and severe secondary MR randomized to guideline-directed medical therapy (GDMT) or edge-to-edge repair with the MitraClip in the COAPT (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation) trial.RESULTS: Patients with >=Mod TR were more likely to be New York Heart Association functional class III/IV (p < 0.0001) and have a Society of Thoracic Surgeons score of >=8 (p < 0.0001), anemia (p = 0.02), chronic kidney disease (p = 0.003), and higher N-terminal pro-B-type natriuretic peptide (p = 0.02) than those with <=Mild TR. Patients with >=Mod TR had more severe MR (p = 0.0005) despite smaller left ventricular volumes (p = 0.005) and higher right ventricular systolic pressure (p < 0.0001). At 2 years, the composite rate of death or HFH was higher in patients with >=Mod TR compared with <=Mild TR treated with GDMT alone (83.0% vs. 64.3%; hazard ratio: 1.74; 95% confidence interval: 1.24 to 2.45; p = 0.001) but not following MitraClip (48.2% vs. 44.0%; hazard ratio: 1.14; 95% confidence interval: 0.71 to 1.84; p = 0.59). Rates of death or HFH, as well as death and HFH alone, were reduced by MitraClip compared with GDMT, irrespective of baseline TR grade (pinteraction = 0.16, 0.29, and 0.21 respectively).All authors: Abraham WT, Asch F, Ben-Yehuda O, Chen S, Grayburn P, Hahn RT, Kapadia S, Kar S, Lim S, Lindenfeld J, Liu M, Mack MJ, Medvedofsky D, Puri R, Redfors B, Sannino A, Shahim B, Stone GW, Weissman NJOriginally published: Journal of the American College of Cardiology. 76(11):1305-1314, 2020 Sep 15.Fiscal year: FY2021Digital Object Identifier: Date added to catalog: 2020-10-06
Holdings
Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 32912445 Available 32912445

Available online from MWHC library: 1995 - present, Available in print through MWHC library:1999-2007

BACKGROUND: The presence of tricuspid regurgitation (TR) may affect prognosis in patients with mitral regurgitation (MR).

CONCLUSIONS: Patients with severe secondary MR who also had >=Mod TR had worse clinical and echocardiographic characteristics and worse clinical outcomes compared to those with <=Mild TR. Within the COAPT trial, MitraClip improved outcomes in patients with and without >=Mod TR severity compared with GDMT alone. (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation [COAPT]; NCT01626079). Copyright (c) 2020 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

METHODS: A total of 614 patients with symptomatic heart failure with moderate to severe (3+) or severe (4+) secondary MR were randomized to maximally tolerated GDMT plus MitraClip or GDMT alone; 599 had core laboratory evaluable echocardiograms. Patients were divided into 2 groups by baseline TR severity: none/trace/mild TR (<=Mild TR) (n = 501 [83.6%]) and moderate/severe TR (>=Mod TR) (n = 98 [16.4%]). Two-year composite endpoints of death or heart failure hospitalization (HFH) and the individual endpoints were analyzed.

OBJECTIVES: This study sought to determine the impact of TR on outcomes in patients with heart failure and severe secondary MR randomized to guideline-directed medical therapy (GDMT) or edge-to-edge repair with the MitraClip in the COAPT (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation) trial.

RESULTS: Patients with >=Mod TR were more likely to be New York Heart Association functional class III/IV (p < 0.0001) and have a Society of Thoracic Surgeons score of >=8 (p < 0.0001), anemia (p = 0.02), chronic kidney disease (p = 0.003), and higher N-terminal pro-B-type natriuretic peptide (p = 0.02) than those with <=Mild TR. Patients with >=Mod TR had more severe MR (p = 0.0005) despite smaller left ventricular volumes (p = 0.005) and higher right ventricular systolic pressure (p < 0.0001). At 2 years, the composite rate of death or HFH was higher in patients with >=Mod TR compared with <=Mild TR treated with GDMT alone (83.0% vs. 64.3%; hazard ratio: 1.74; 95% confidence interval: 1.24 to 2.45; p = 0.001) but not following MitraClip (48.2% vs. 44.0%; hazard ratio: 1.14; 95% confidence interval: 0.71 to 1.84; p = 0.59). Rates of death or HFH, as well as death and HFH alone, were reduced by MitraClip compared with GDMT, irrespective of baseline TR grade (pinteraction = 0.16, 0.29, and 0.21 respectively).

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