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Echocardiographic parameters as cardiovascular event predictors in hemodialysis patients

Thayse Mayara Aragão Siqueira1, Pedro Antônio Muniz Ferreira, Francisco das Chagas Monteiro Júnior

  • 1Universidade Federal do Maranhão, São Luís, MA, Brasil. thayse_siqueira@hotmail.com

Arquivos Brasileiros De Cardiologia
|July 7, 2012
PubMed

Insights

Diastolic dysfunction is a key predictor of cardiovascular events in hemodialysis patients. This finding helps identify high-risk individuals for better cardiovascular disease management in chronic kidney disease.

Area of Science:

  • Cardiology
  • Nephrology
  • Echocardiography

Background:

  • Patients with chronic kidney disease (CKD) on hemodialysis face high cardiovascular morbidity and mortality rates.
  • Echocardiographic alterations are common in these patients, but their prognostic significance is not fully established.
  • Understanding these risks is crucial for improving patient outcomes.

Purpose of the Study:

  • To determine the prognostic value of echocardiographic parameters in hemodialysis patients with CKD.
  • To identify specific echocardiographic markers that predict cardiovascular events and mortality.

Main Methods:

  • Sixty hemodialysis patients underwent clinical evaluation and Doppler echocardiography.
  • Patients were followed for approximately 19 months for cardiovascular events and mortality.
  • Cox regression and Kaplan-Meier analyses were used to assess predictive values.

Main Results:

  • Two-year survival rates free of cardiovascular events, cardiovascular mortality, and overall mortality were 79.4%, 88.5%, and 83%, respectively.
  • Univariate analysis identified diabetes, prior cardiovascular disease (CVD), ejection fraction, fractional shortening, left ventricular systolic diameter, and E/e' ratio as predictors.
  • Multivariate analysis revealed a history of CVD and moderate-to-severe diastolic dysfunction as independent risk factors for cardiovascular events.

Conclusions:

  • Moderate to severe diastolic dysfunction is an independent predictor of cardiovascular events in hemodialysis patients.
  • These findings highlight the importance of assessing diastolic function in CKD patients undergoing hemodialysis.
  • Identifying diastolic dysfunction can aid in risk stratification and management strategies.
Abstract

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