Findings

What do systematic reviews say?

13 questions · 14 findings · 8 reviews · Airways

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No studies found 0 · 0%GRADE not reported 3 · 21.4%Very low 2 · 14.3%Low 6 · 42.9%Moderate 2 · 14.3%High 1 · 7.1%

Summary of Findings Table ‐ Chronic non‐invasive ventilation vs usual care

Change in 6‐minute walking distance · stable COPD

2 findings from 1 review

Chronic non‐invasive ventilation for chronic obstructive pulmonary disease 2021 · Cochrane Headline outcomes only
no estimate extracted
8 studies · 330 participants
Low
Chronic non‐invasive ventilation for chronic obstructive pulmonary disease 2021 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 134 participants
Very low

Physical exercise training vs control

Change in walking distance during endurance walking test · individuals with stable bronchiectasis

1 finding from 1 review

Exercise training for bronchiectasis 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 19 participants
Very low

Smart technology vs face‐to‐face/digital and/or written support

Functional capacity · COPD

1 finding from 1 review

Computer and mobile technology interventions for self‐management in chronic obstructive pulmonary disease 2017 · Cochrane Headline outcomes only
no estimate extracted
0 participants
GRADE not reported

Intervention not reported

Walking distance (end of · patients with diffuse emphysema

1 finding from 1 review

Lung volume reduction surgery for diffuse emphysema 2016 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 215 participants
Low

Pulmonary rehabilitation vs usual care

Change in 6‐minute walking distance · post‐exacerbation COPD

1 finding from 1 review

Pulmonary rehabilitation following exacerbations of chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 819 participants
High

Intervention not reported

Exercise capacity (5‐ or 6‐minute walking distance on cylinder air) · adults with COPD who had exertional dyspnoea but did not fulfil the criteria for long‐term oxygen treatment

1 finding from 1 review

Ambulatory oxygen for people with chronic obstructive pulmonary disease who are not hypoxaemic at rest 2014 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 331 participants
GRADE not reported

Aclidinium bromide vs placebo

Six‐minute walk distance · patients with stable chronic obstructive pulmonary disease

1 finding from 1 review

Aclidinium bromide for stable chronic obstructive pulmonary disease 2014 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Yoga vs no breathing exercises

Change in 6‐minute walking distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 74 participants
Moderate

Ventilation feedback training plus exercise vs exercise

Change in 6‐minute walking distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Ventilation feedback training plus exercise vs exercise

Dyspnoea during treadmill walking Borg scale at isotime during constant work rate treadmill test Scale ranges from 0 to 10, with lower scores indicating less shortness of breath · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 33 participants
Low

Ventilation feedback training plus exercise vs exercise

Change in dyspnoea score · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Pursed lip breathing vs no breathing exercises

Six‐minute walk distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Low

Diaphragmatic breathing vs no breathing exercises

Change in 6‐minute walking distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Moderate