Exercise training and pulmonary rehabilitation: new insights and remaining challenges

Download figure
Open in new tab
Download powerpoint
FIGURE 1.
Mechanism through which pulmonary rehabilitation and pharmacotherapy may enhance physical activity. V′_E: minute ventilation; V′_O₂: maximal oxygen uptake.
Download figure
Open in new tab
Download powerpoint
FIGURE 2.
Improvement of physical activity. ▪: studies that were statistically significant; ▓: studies that were statistically nonsignificant. S: standard; I: individualised; C: classic; CP: classic+pedometer feedback; 3M: 3 months; 6M: 6 months.

Table. 1—

Changes in physical activity after pulmonary rehabilitation

First author [Ref.]	Patients	Sessions of supervised rehabilitation	Duration of rehabilitation weeks	Instrument to measure physical activity	Outcome
Steele [26]	38	16	8	TA: Tritrac R3D accelerometer	VMU per min
Steele [27]	111	16	8	TA: RT3 accelerometer	VMU
Coronado [28]	15	36	3	UA: self-contained activity monitor	Time at low + medium act %
Mercken [29]	11	40	8	UA: physical activity monitor accelerometer	Physical activity monitor score
Sewell [30]
Standard	59	14	7	UA: ambulatory activity monitor	Counts
Individualised	64	14	7	UA: Z80–32k V1 Int	Counts
Pitta [31]
3 months	29	36	12	TA: dynaport	Walking time
6 months	29	60	24	TA	Walking time
Walker [32]	23	16	8	UA: actiwatch	Time spent mobile %
Dallas [33]	45	2–3	6–12	PE: New Lifestyles,NL-2000	Counts per h
de Blok [34]
Classic	8	NR	9	PM: Yamax digi walker	Steps
Classic+pedom	8	NR	9	PM: Yamax digi walker	Steps

Data are presented as n. pedom: pedometer feedback; TA: triaxial accelerometer; UA: uniaxial accelerometer; PE: pedometer (electronic); PM: pedometer (mechanical); NR: not reported; VMU: vector magnitude units. Please also refer to figure 2⇑.