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Echocardiographic parameters and renal outcomes in patients with preserved renal function, and mild- moderate CKD.

Abstract：

BACKGROUND:Echocardiographic characteristics across the spectrum of chronic kidney disease (CKD) have not been well described. We assessed the echocardiographic characteristics of patients with preserved renal function and mild or moderate CKD referred for echocardiography and determined whether echocardiographic parameters of left ventricular (LV) and right ventricular (RV) structure and function were associated with changes in renal function and mortality. METHODS:This retrospective cohort study enrolled all adult patients who had at least one trans-thoracic echocardiography between 2004 and 2014 in our institution. The composite outcome of doubling of serum creatinine or initiation of maintenance dialysis or kidney transplantation was the primary outcome. Mortality was the secondary outcome. RESULTS:29,219 patients were included. Patients with worse renal function had higher prevalence of structural and functional LV and RV abnormalities. Higher estimated glomerular filtration rate (eGFR) was independently associated with preserved LV ejection fraction, preserved RV systolic function, and lower LV mass, left atrial diameter, pulmonary artery pressure, and right atrial pressure, as well as normal RV structure. 1041 composite renal events were observed. 8780 patients died during the follow-up. Pulmonary artery pressure and the RV, but not the LV, echocardiographic parameters were independently associated with the composite renal outcome. In contrast, RV systolic function, RV dilation or hypertrophy, LV ejection fraction group, LV diameter quartile, and pulmonary artery pressure quartile were independently associated with all-cause mortality. CONCLUSIONS:Echocardiographic abnormalities are frequent even in early CKD. Echocardiographic assessment particularly of the RV may provide useful information for the care of patients with CKD.

journal_name

BMC Nephrol

journal_title

BMC nephrology

authors

Mavrakanas TA,Khattak A,Singh K,Charytan DM

doi

10.1186/s12882-018-0975-5

subject

Has Abstract

pub_date

2018-07-11 00:00:00

pages

176

issue

issn

1471-2369

pii

10.1186/s12882-018-0975-5

journal_volume

pub_type

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Echocardiographic parameters and renal outcomes in patients with preserved renal function, and mild- moderate CKD.