Cochrane · systematic review · CD003712
Transmyocardial laser revascularization versus medical therapy for refractory angina
Briones, E, Lacalle, JR, Marin‐Leon, I, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library
HeartAMSTAR 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
6
current version
GRADE rated
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 33.3%Moderate 2 · 33.3%High 2 · 33.3%
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
Transmyocardial laser revascularization compared to medical treatment for refractory angina
Population: patients with refractory angina
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Angina reduction Decrease in two angina classes or more Transmyocardial laser revascularization vs medical treatment | OR 4.63 [3.43, 6.25] | 7 studies · 1051 participants | Low Downgraded: risk of bias, inconsistency |
Angina reduction ‐ CCS score Decrease in two angina classes or more Transmyocardial laser revascularization vs medical treatment | OR 3.95 [2.9, 5.39] | 5 studies · 923 participants | Low Downgraded: risk of bias, inconsistency |
Angina reduction ‐ NYHA scale Decrease in two angina classes or more Transmyocardial laser revascularization vs medical treatment | OR 68.32 [7.95, 587.38] | 2 studies · 128 participants | Moderate Downgraded: risk of bias |
Overall mortality Transmyocardial laser revascularization vs medical treatment | OR 1.12 [0.77, 1.63] | 7 studies · 1053 participants | High |
Early postoperative mortality Deaths in the 30 days after surgery Transmyocardial laser revascularization vs medical treatment | OR 1.19 [0.63, 2.24] | 6 studies · 967 participants | High |
Exercise tolerance Minutes Transmyocardial laser revascularization vs medical treatment | no estimate extracted | 2 studies · 129 participants | Moderate Downgraded: risk of bias |