Determining the preferred percent-predicted equation for peak oxygen consumption in patients with heart failure

Ross Arena, Jonathan Myers, Joshua Abella, Sherry Pinkstaff, Peter Brubaker, Brian Moore, Dalane Kitzman, Mary Ann Peberdy, Daniel Bensimhon, Paul Chase, Daniel Forman, Erin West, Marco Guazzi

Research output: Contribution to journalArticle

Abstract

Background-Peak oxygen consumption (VO2) is routinely assessed in patients with heart failure undergoing cardiopulmonary exercise testing. The purpose of the present investigation was to determine the prognostic ability of several established peak VO2 prediction equations in a large heart failure cohort. Methods and Results-One thousand one hundred sixty-five subjects (70% males; age, 57.0±13.8 years; ischemic etiology, 43%) diagnosed with heart failure underwent cardiopulmonary exercise testing. Percent-predicted peak VO2 was calculated according to normative values proposed by Wasserman and Hansen (equation), Jones et al (equation), the Cooper Clinic (below low fitness threshold), a Veteran's Administration male referral data set (4 equations), and the St James Take Heart Project for women (equation). The prognostic significance of percent-predicted VO2 values derived from the 2 latter, sex-specific equations were assessed collectively. There were 179 major cardiac events (117 deaths, 44 heart transplantations, and 18 left ventricular assist device implantations) during the 2-year tracking period (annual event rate, 10%). Measured peak VO2 and all percent-predicted peak VO2 calculations were significant univariate predictors of adverse events (x2≥31.9, P2 slope), the strongest cardiopulmonary exercise testing predictor of adverse events (x 2=150.7, P2 and the percent-predicted models included in this analysis all were significant predictors of adverse events. It seems that the percent-predicted peak VO2 value derived from the Wasserman/ Hansen equations may outperform other expressions of this cardiopulmonary exercise testing variable.

Original languageEnglish
Pages (from-to)113-120
Number of pages8
JournalCirculation: Heart Failure
Volume2
Issue number2
DOIs
Publication statusPublished - Mar 2009

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Oxygen Consumption
Heart Failure
Exercise
United States Department of Veterans Affairs
Heart-Assist Devices
Heart Transplantation
Referral and Consultation

Keywords

  • Exercise
  • Heart failure
  • Prognosis
  • Ventilation

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Determining the preferred percent-predicted equation for peak oxygen consumption in patients with heart failure. / Arena, Ross; Myers, Jonathan; Abella, Joshua; Pinkstaff, Sherry; Brubaker, Peter; Moore, Brian; Kitzman, Dalane; Peberdy, Mary Ann; Bensimhon, Daniel; Chase, Paul; Forman, Daniel; West, Erin; Guazzi, Marco.

In: Circulation: Heart Failure, Vol. 2, No. 2, 03.2009, p. 113-120.

Research output: Contribution to journalArticle

Arena, R, Myers, J, Abella, J, Pinkstaff, S, Brubaker, P, Moore, B, Kitzman, D, Peberdy, MA, Bensimhon, D, Chase, P, Forman, D, West, E & Guazzi, M 2009, 'Determining the preferred percent-predicted equation for peak oxygen consumption in patients with heart failure', Circulation: Heart Failure, vol. 2, no. 2, pp. 113-120. https://doi.org/10.1161/CIRCHEARTFAILURE.108.834168
Arena, Ross ; Myers, Jonathan ; Abella, Joshua ; Pinkstaff, Sherry ; Brubaker, Peter ; Moore, Brian ; Kitzman, Dalane ; Peberdy, Mary Ann ; Bensimhon, Daniel ; Chase, Paul ; Forman, Daniel ; West, Erin ; Guazzi, Marco. / Determining the preferred percent-predicted equation for peak oxygen consumption in patients with heart failure. In: Circulation: Heart Failure. 2009 ; Vol. 2, No. 2. pp. 113-120.
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