10 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (14)

However, the multiple stepwise regression analysis indicated that the baseline characteristics examined did not add significantly to the prediction of training percentage. This would suggest that the best predictor of the level achieved during training was the measured maximum work load during the baseline exercise test. In training patients to symptom tolerance, ratings of perceived […]

09 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (13)

For patients with less severe COPD who showed evidence of metabolic acidosis during initial maximum exercise testing, training intensity was selected to be just above AT. This level, on average, was 85 percent of baseline maximum. In the 18 patients who did reach AT during initial exercise testing, the work load achieved during eight weeks […]

08 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (12)

It should be emphasized that these results do not indicate that this training method is necessarily the best one for prescribing training intensity for patients with chronic lung disease. The purpose of this report is to highlight the differences in principles of exercise training which may be appropriate for these patients. Clearly, additional studies are […]

07 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (11)

Finally, stepwise multiple regression analysis was performed in an attempt to determine if the percentage work level achieved during training could be predicted from 12 baseline variables selected as representative characteristics of lung function, exercise tolerance and compliance with the rehabilitation program. In this analysis, only Ve at maximum exercise was found to be a […]

06 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (10)

In contrast, patients with less severe disease (who may reach higher absolute exercise levels and exceed AT) would not be expected to reach as high a percentage of baseline maximum during training. The relationship of FEVX to percentage of work load achieved during training (METs at week 8/METs max at baseline) is presented in Figure […]

05 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (9)

For the endurance exercise test, it can be seen in Table 1 that the average target intensity work level represented a high percentage of the maximum work load achieved on baseline exercise testing (95 percent). At this level, patients were able to walk for 12.1 min on the endurance test. After the rehabilitation program, there […]

04 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (8)

The limitations to maximum exercise tests are presented in Table 2. At baseline, dyspnea was the most common limiting symptom reported in 36 out of 52 patients (69 percent), followed by muscle symptoms in 16 out of 52 patients (31 percent). After rehabilitation, dyspnea also was the most common limiting symptom reported (65 percent), followed […]

03 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (7)

Attendance at scheduled rehabilitation program sessions was good. Patients attended a mean of 10.7 out of 12 clinic visits (88.9 percent). After rehabilitation, data were available on 46 patients for statistical analyses. Two patients moved before completing the eight-week program; four patients completed the program but were not retested due to illness (two), sudden cardiac […]

02 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (6)

Follow-up Testing After completing the eight-week rehabilitation program, patients performed pulmonary function tests (while receiving regular medications without post-bronchodilator testing) and both the maximum and endurance exercise tests in identical fashion to the baseline protocol but without arterial blood sampling.

01 Jun

Maximum Intensity Exercise Training in Patients with Chronic Obstructive Pulmonary Disease (5)

On a separate day after the incremental exercise test, each patient performed an endurance exercise test on a treadmill at the work level indicated by the target training intensity. In this test, patients walked on the treadmill for 2 min at 1.0 miles per hour, 2 min at a work level just below the target […]

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