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Abstract: Poster Presentations |

Effect of Twice Weekly Pulmonary Rehabilitation on Health Status, Exercise Capacity and Dyspnea in COPD Patients FREE TO VIEW

Roberto P. Benzo, MD; Rhonda Scheffel, RRT; Lori Williams, BS MPA
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West Virginia University, Morgantown, WV


Chest


Chest. 2003;124(4_MeetingAbstracts):169S-b-170S. doi:10.1378/chest.124.4_MeetingAbstracts.169S-b
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Abstract

PURPOSE:  Pulmonary rehabilitation (PR) is an accepted component in the treatment of chronic obstructive pulmonary disease (COPD). Studies have shown that pulmonary rehabilitation, consisting of at least three training sessions a week, improves exercise performance and health status.We studied the effect of twice weekly PR for 12 weeks on health status, exercise capacity, and dyspnea.

METHODS:  Nineteen consecutive patients (9 female) age 61±16 with diagnosis of COPD, FEV1 55%±26 were included in a 12-week twice a week pulmonary rehabilitation program. The program consisted in treadmill walking or recumbent stepper for 30 minutes at 60% of the intensity attained in a maximal exercise test.The intensity was increased to maintain a perceived dyspnea of 4 according to the Borg modified dyspnea scale. Upper extremity endurance exercise was also included for up to 15 minutes every session .COPD disease education was on a one-on-one basis according to patients needs assessed by a questionnaire that measured patient’s knowledge of the disease. All patients watched tapes on exercise, breathing exercises and pulmonary rehabilitation.. Health status measured with the Pulmonary Functional Status Scale (PFSS), 6 minutes walk test and Borg score were the outcome measures of this study measured before and after the intervention.

RESULTS: 

Pre/Post rehab results

PFSS scorePre PRPost PRP valueEffect SizeFunctional3.6+0.53.8+0.60.0950.48Psychological3.6+0.73.9+0.60.0140.38Sexuality4.0+0.94.2+0.90.30.27Total Score9.1+2.410.0+3.00.050.456 MWT390+101434+870.0010.43Dyspnea5+34.2+2.60.30.27Attendance rate 84%

CONCLUSION:  Although the results showed a statistically significant improvement in exercise performance and total quality of life score, the difference was not clinically meaningful as expressed by the effect size . In particular in the post PR 6-minute walk test result did not reach the clinically meaningful difference of 54 meters.

CLINICAL IMPLICATIONS:  This study failed to demonstrate that twice a week PR produce meaningful improvements in this group of COPD patients.

DISCLOSURE:  R.P. Benzo, None.

Wednesday, October 29, 2003

12:30 PM - 2:00 PM


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