An Intervention to Improve Function in Severe Cardiopulmonary Illness

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-12-31

Study Completion Date

2011-12-31

Brief Summary

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The study is a randomized trial of a cardiopulmonary self-management intervention to improve functional capacity, health-related quality of life, and to reduce health care utilization. Two hundred (100 in each group) will be recruited from VA Puget Sound Health Care System over four years. Outcomes will be measured at three points: at entry, at the end of the 6 month intervention, and 12 months after entry. Change in functional capacity at the end of the intervention program is the primary outcome.

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Detailed Description

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This study is a randomized, controlled trial of a cardiopulmonary exercise and self-management intervention to improve functional capacity, health related-related quality of life, and to reduce health care costs in medically fragile, elderly patients with chronic obstructive pulmonary disease (COPD) or heart failure (HF). Specific aims include: (1) To determine the benefits of a combined outpatient/home-based exercise, self-management program on function al capability (daily activity, six-minute walk distance, symptoms), (2) to determine the effects of exercise/self-management on quality of life, health status, cardiopulmonary function, and gait and balance, (3) to test the theoretical self-regulation model for mediating effects on major outcome variables, and (4) to compare health care resource utilization and expenditures between the intervention and usual care groups in order to conduct a cost-effectiveness analysis of the program. The primary outcome upon which the study is powered is functional capability measured by daily physical activity. Outcomes will be measured at three time points: at entry and following the intervention at 6 and 12 months. Two-hundred (100/group) will be recruited from the VA Puget Sound Health Care System outpatient clinics. The study will be carried out over four years. Inclusion criteria include standard criteria for severe COPD or HF, optimal medical management, willingness to participate in an outpatient exercise/self-management program, working phone, hospitalization for HF, COPD, or related illness in the past two years or at least two outpatient visits for same over the past year. Exclusion criteria include unstable disease or recent surgery, supplemental oxygen requirement at rest more than 4 LPM, already participating in regular exercise three times a week, inability to ambulate, uncontrolled mental illness, alcohol or drug abuse and life expectancy less than one year. The intervention consists of a month long program of two 2-hour visits a week incorporating equal time for endurance and strength training as well as individually-tailored instruction in self-management of their heart/lung disease. Usual care control is an 8-week standard cardiopulmonary exercise program, two days a week for an hour with some self-management content.

Conditions

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Chronic Obstructive Pulmonary Disease (COPD) Heart Failure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Self-management

Novel intensive self-management education and exercise program of four weeks

Group Type EXPERIMENTAL

Exercise adherence

Intervention Type BEHAVIORAL

The exercise program includes endurance and strength training and warm-up and cool-down strategies. Emphasis is placed upon implementing and adhering to the exercise program at home following intervention completion.

Self-management- prevention of illness

Intervention Type BEHAVIORAL

Instruction is provided regarding key elements of managing heart failure and COPD with emphasis upon individual adaptations to prevent exacerbations, unscheduled provider visits, and hospital admissions as well as promotion of daily activity.

Self-management of illness

Intervention Type BEHAVIORAL

This component of the intervention stresses the use of an action plan that is implemented to c-manage bouts of mild illness and to identify symptoms of more serious illness, including appropriate actions.

Usual care

Usual care- cardiac or pulmonary rehabilitation exercise program of 8 weeks duration

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Exercise adherence

The exercise program includes endurance and strength training and warm-up and cool-down strategies. Emphasis is placed upon implementing and adhering to the exercise program at home following intervention completion.

Intervention Type BEHAVIORAL

Self-management- prevention of illness

Instruction is provided regarding key elements of managing heart failure and COPD with emphasis upon individual adaptations to prevent exacerbations, unscheduled provider visits, and hospital admissions as well as promotion of daily activity.

Intervention Type BEHAVIORAL

Self-management of illness

This component of the intervention stresses the use of an action plan that is implemented to c-manage bouts of mild illness and to identify symptoms of more serious illness, including appropriate actions.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* standard criteria for severe COPD or HF,
* optimal medical management,
* willingness to participate in an outpatient exercise/self-management program,
* working phone,
* hospitalization for HF, COPD, or related illness in the past two years or at least two unscheduled outpatient visits for same over the past year

Exclusion Criteria

* unstable disease or recent surgery,
* supplemental oxygen requirement at rest more than 4 LPM,
* already participating in regular exercise three times a week,
* inability to ambulate,
* uncontrolled mental illness,
* alcohol or drug abuse,
* life expectancy less than one year

Minimum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No