Cochrane · systematic review · CD011637
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope
Solbiati, M, Costantino, G, Casazza, G, et al. · Cochrane Database of Systematic Reviews · 2016 · 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
7
current version
GRADE rated
2
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 5 · 71.4%Very low 1 · 14.3%Low 0 · 0%Moderate 1 · 14.3%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
Summary of findings for the main comparison. Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope
Population: people with unexplained recurrent syncope
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
All‐cause short‐term mortality Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | no estimate extracted | 0 participants | Ungraded |
All‐cause long‐term mortality Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | RR 0.97 [0.41, 2.3] | 2 studies · 255 participants | Very low Downgraded: risk of bias |
Other adverse events Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | no estimate extracted | 2 studies · 447 participants | Ungraded |
Quality of life Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | no estimate extracted | 2 studies · 279 participants | Ungraded |
Syncope relapse Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | no estimate extracted | 3 studies · 507 participants | Ungraded |
Economic costs Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | no estimate extracted | 2 studies · 261 participants | Ungraded |
Aetiologic diagnosis Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup | RR 0.61 [0.54, 0.68] | 4 studies · 579 participants | Moderate Downgraded: risk of bias |