Cochrane · systematic review · CD001277

Breathing exercises for adults with asthma

Santino, TA, Chaves, GSS, Freitas, DA, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Airways2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
5
No studies
2
Included studies
NR
No studies 2 · 28.6%Ungraded 0 · 0%Very low 2 · 28.6%Low 1 · 14.3%Moderate 2 · 28.6%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Breathing exercises compared to inactive control for adults with asthma

Population: adults with asthma
CD001277.PUB4 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Change in AQLQ Scores Range 1‐7, with higher scores indicating better quality of life.
Breathing exercises vs inactive control
no estimate extracted4 studies · 974 participantsModerate
Downgraded: risk of bias, imprecision
Change in ACQ Scores Range 0‐6 with lower scores indicating better control of asthma symptoms.
Breathing exercises vs inactive control
no estimate extracted1 study · 115 participantsLow
Downgraded: risk of bias, imprecision
Nijmegen Questionnaire score (4‐6 months) Scores range 1‐5 with lower scores indicating better control of asthma symptoms.
Breathing exercises vs inactive control
no estimate extracted2 studies · 118 participantsModerate
Downgraded: imprecision
Number of acute exacerbations
Breathing exercises vs inactive control
no estimate extracted4 studies · 952 participantsVery low
Inpatient hospitalisation episodes
Breathing exercises vs inactive control
no estimate extractedNRNo studies
Lung function (FEV1, L )
Breathing exercises vs inactive control
no estimate extracted4 studies · 252 participantsVery low
Downgraded: risk of bias, imprecision
Days off work
Breathing exercises vs inactive control
no estimate extractedNRNo studies

Comparison

Population: adults with asthma
CD001277.PUB3 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Change in AQLQ
MD 0.79 [0.5, 1.08]2 studies · 172 participantsVery low
Downgraded: risk of bias, imprecision
Change in SGRQ
no estimate extracted1 study · 78 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Asthma symptoms Measured by the Nijmegen questionnaire
no estimate extracted2 studies · 118 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Number of acute exacerbations Number of attacks recorded by a diary
no estimate extracted1 study · 106 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Inpatient hospitalisation episodes
no estimate extractedNRNo studies
Lung function (FEV1) Percentage of predicted
no estimate extracted2 studies · 177 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Days off work
no estimate extractedNRNo studies