Cochrane · systematic review · CD001001

Lung volume reduction surgery for diffuse emphysema

van Agteren, JEM, Carson, KV, Tiong, LU, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

AirwaysAMSTAR 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
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 4 · 57.1%Moderate 3 · 42.9%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

Comparison

Population: patients with diffuse emphysema
7 questions
OutcomeEffectEvidenceStatus / GRADE
Early mortality (90 days)
OR 6.16 [3.22, 11.79]5 studies · 1489 participantsModerate
Downgraded: risk of bias
Long‐term mortality (> 36 months)
OR 0.76 [0.61, 0.95]2 studies · 1280 participantsModerate
Downgraded: risk of bias
Change in total scores SGRQ (end of
no estimate extracted2 studies · 1326 participantsModerate
Downgraded: risk of bias, imprecision
Walking distance (end of
no estimate extracted5 studies · 215 participantsLow
Downgraded: risk of bias, imprecision
FEV1 (end of
no estimate extracted4 studies · 188 participantsLow
Downgraded: risk of bias, imprecision
RV (end of
no estimate extracted4 studies · 177 participantsLow
Downgraded: risk of bias
TLC (end of
no estimate extracted4 studies · 178 participantsLow
Downgraded: risk of bias