Elsevier

American Heart Journal

Volume 150, Issue 5, November 2005, Pages 982.e1-982.e9
American Heart Journal

Clinical Investigation
Congestive Heart Failure
Pilot study to determine the impact of a multidisciplinary educational intervention in patients hospitalized with heart failure

https://doi.org/10.1016/j.ahj.2005.08.016Get rights and content

Background

Patients with heart failure (HF) face challenges complying with multidrug regimens.

Objectives

To examine the impact of a compliance enhancing intervention on medication compliance and morbidity in HF.

Design

Patients were randomized to either usual care or an inhospital educational intervention delivered by a multidisciplinary team (Intervention).

Setting

Acute medical and surgical units at a teaching hospital.

Patients

One hundred thirty four patients with a clinical diagnosis of HF and a left ventricular ejection fraction of <40% requiring long-term medical treatment.

Main Outcome Measures

A validated HF-specific instrument provided a measure of knowledge. We characterized patients as noncompliant if pharmacy refill data suggested they had taken ≤0.80 of their medication. We measured quality of life using the Minnesota Living with Heart Failure Questionnaire and the Short Form 36 and conducted a time to first event analysis of a composite end point including mortality, readmissions, and emergency department visits.

Results

The Intervention group showed higher knowledge scores at discharge and 1 year (P = .05). The risk of noncompliance in Intervention patients varied from 0.78 (95% CI 0.33-1.89) for ACE-I (13% Intervention, 17% Control) to 1.02 (0.49-2.12) for diuretics (23% Intervention, 23% Control). Quality of life improved in both groups over time; the only difference between groups favored the Intervention (Minnesota Living with Heart Failure Questionnaire, P = .04). The composite end point occurred in 67% of control and 60% of Intervention patients (hazard ratio 0.85, 95% CI 0.55-1.30).

Conclusions

An inhospital educational intervention improved knowledge and, possibly, quality of life and may be useful as part of a comprehensive compliance enhancing strategy in patients with HF.

Section snippets

Participants

Patients admitted to the London Health Sciences Centre, Victoria Campus, were eligible if they had HF documented with a low left ventricular ejection fraction (LVEF ≤ 40%), had indications for long-term medical treatment of HF or low LVEF, and provided informed consent as approved by the university-based institutional ethics review board (09091E) (Table I). Patients were excluded if they were <18 years old, were receiving dialysis, had dementia or psychiatric illness, suffered from another

Results

Figure 1 describes the flow of patients through the trial. Our search strategy to facilitate recruitment to the trial was a broad-based approach that essentially targeted any patient with an admission diagnosis of HF, signs or symptoms that may have a differential diagnosis of HF, or a previous discharge diagnosis of HF. Inclusion and exclusion criteria were then applied to the population to derive an eligible study population, yielding 128 patients for evaluation.

Discussion

This multidisciplinary inhospital educational intervention improved knowledge and disease-specific HRQoL acutely, and the effects persisted for 1 year. We were unable to show an effect on compliance, generic HRQoL, or time to event over the 1-year follow-up in this pilot study. It is not surprising that the SF-36 does not have the responsiveness to detect disease-specific changes, as this has consistently been noted in the literature.16 Although measures of mean compliance suggested high

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    Citation Excerpt :

    Among the 9 RCTs, only 4 studies reported a significant improvement and difference in health-related quality of life in HF patients. The quality of life was measured by different instruments: the Chronic Heart Failure Questionnaire,47 EuroQol- 5 Dimension,44,49 the Minnesota Living With Heart Failure (MLHF),45,46,49,50,68,70,72 the 36-Item Short Form Health Survey (SF-36),45,50,68,70 the Dartmouth Primary Care Cooperative Information Project/World Organizations of National Colleges, Academics, Academic Associations of General Practice/Family Physicians,46 and the 15-item Geriatric Depression Scale.70 There are no small studies on the bottom right of the funnel plot of HF hospitalizations so that the typical inverted funnel-like shape was not observed indicating the presence of some degree of publication bias (supplementary Fig. S2a).

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