Importance of Venous Congestion for Worsening of Renal Function in Advanced Decompensated Heart Failure

By W. Mullens, Z. Abrahams, Gary S. Francis, G. Sokos, David O. Taylor, Randall C. Starling, James B. Young, W. Tang. Journal of the American College of Cardiology, 2008

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Background Reduced cardiac output is traditionally believed to be the main determinant of worsening renal function (WRF) in advanced decompensated heart failure (ADHF). Objective To determine if venous congestion, rather than impairment of cardiac output, is primarily associated with the development of WRF in ADHF. Methods A total of 145 consecutive patients admitted with ADHF treated with intensive medical therapy guided by pulmonary artery catheter were studied. WRF was defined as an increase of serum creatinine ≥0.3 mg/dl during hospitalization. Results In the study cohort (age 57 ±14 years, cardiac index 1.9 ±0.6 l/kg.m2, LVEF 20 ±8%, serum creatinine 1.7 ±0.9 mg/dl), 58 patients (40%) developed WRF. Patients who developed WRF had a higher central venous pressure on admission (CVP, 18 ±7 versus 12 ±6 mmHg, p<0.001) and after intensive medical therapy (11 ±8 versus 8 ±5 mmHg, p=0.04). The development of WRF occurred less frequently in patients that achieved a CVP <8 mmHg (p=0.01). Furthermore, the ability of CVP to stratify risk for development of WRF was apparent across the spectrum of systemic blood pressure, pulmonary capillary wedge pressure, cardiac index, and estimated glomerular filtration rates. Conclusions Venous congestion is the most important hemodynamic factor driving WRF in decompensated patients with advanced heart failure.

Subfields: Cardiology and Cardiovascular Medicine, Nephrology, Surgery

View Paper: https://www.semanticscholar.org/paper/82db01c0460d426336153c5edf6c643105bd4057

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In Cardiology and Cardiovascular Medicine

  1. S. Anker

In Nephrology

  1. Sean M. Bagshaw
  2. Claudio Ronco
  3. R. Bellomo
  4. John A. Kellum

In Surgery

  1. Claudio Ronco
  2. R. Bellomo
  3. Sean M. Bagshaw

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