A modeling intervention in heart failure

Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine
Ralph MaddisonCaleb Hill

Abstract

Peak oxygen uptake (VO(2)) testing is commonly used to assess chronic heart failure (CHF) patients' exercise tolerance. The test requires maximal effort; however, many participants have low confidence (self-efficacy) to perform optimally. This randomized controlled trial examined the effectiveness of a modeling intervention to increase Peak VO(2) (PVO(2)) and self-efficacy in people diagnosed with CHF. Twenty participants with a diagnosis of CHF were randomized to either an intervention (modeling DVD) or a control group. Both groups completed a measure of self-efficacy prior to performing two PVO(2) tests, each separated by 7 days. After completing the first test (T1) the intervention group watched a 10-min coping model DVD. All participants returned 1 week later (T2) to complete identical study procedures. Analysis of covariance results showed that compared with the participants in the control group, those assigned to the modeling intervention had higher PVO(2) at T2, F (1, 19) = 4.38, p = 0.05, eta (2) = 0.21 and self-efficacy, F (1, 19) = 5.80, p < 0.05, eta (2) = 0.25. Only partial support was found for change in self-efficacy mediating treatment outcome (PVO(2)). Watching a modeling video is associated with increased PVO(2...Continue Reading

References

Jan 1, 1982·Medicine and Science in Sports and Exercise·G A Borg
Jul 1, 1994·Preventive Medicine·E McAuleyC L Lox
Dec 5, 1998·American Journal of Preventive Medicine·T BaranowskiC Carmack
May 4, 2001·The American Journal of Medicine·G S Francis
Oct 9, 2002·Archives of General Psychiatry·Helena Chmura KraemerW Stewart Agras
Oct 17, 2002·Heart·John G Lainchbury, A Mark Richards
Mar 5, 2003·Circulation·Ileana L PiñaUNKNOWN American Heart Association Committee on exercise, rehabilitation, and prevention
Dec 22, 2005·Biological Psychiatry·Helena Chmura Kraemer, David J Kupfer
Feb 14, 2006·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Ralph MaddisonMark Clatworthy
Aug 17, 2006·Journal of Cardiac Failure·Jonathan MyersPaul Heidenreich

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