Cochrane · systematic review · CD009908
Thermal insulation for preventing inadvertent perioperative hypothermia
Alderson, P, Campbell, G, Smith, AF, et al. · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library
AnaesthesiaAMSTAR 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
12
current version
GRADE rated
12
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 2 · 16.7%Low 7 · 58.3%Moderate 3 · 25%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
Additional insulation for preventing inadvertent perioperative hypothermia
Population: patients with preventing inadvertent perioperative hypothermia
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Temperature after 30 minutes ºC | no estimate extracted | 6 studies · 250 participants | Low Downgraded: risk of bias, inconsistency |
Temperature after 1 hour ºC | no estimate extracted | 7 studies · 264 participants | Low Downgraded: risk of bias, inconsistency |
Temperature at the end of procedure or arrival in PACU ‐ Simple design studies ºC | no estimate extracted | 5 studies · 353 participants | Low Downgraded: risk of bias, inconsistency |
Estimated blood loss mls | no estimate extracted | 2 studies · 84 participants | Low Downgraded: risk of bias, imprecision |
Length of stay in PACU | no estimate extracted | 1 study · 40 participants | Low Downgraded: risk of bias, imprecision |
Shivering observation by staff | RR 0.36 [0.12, 1.06] | 2 studies · 268 participants | Low Downgraded: risk of bias, imprecision |
Additional insulation compared to forced air warming for preventing inadvertent perioperative hypothermia
Population: patients with preventing inadvertent perioperative hypothermia
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Temperature after 30 minutes ºC Additional insulation vs forced air warming | no estimate extracted | 3 studies · 90 participants | Moderate Downgraded: risk of bias |
Temperature after 1 hour ºC Additional insulation vs forced air warming | no estimate extracted | 4 studies · 114 participants | Moderate Downgraded: risk of bias |
Temperature at the end of procedure or arrival in PACU ‐ Simple design ºC Additional insulation vs forced air warming | no estimate extracted | 5 studies · 330 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Estimated blood loss mls Additional insulation vs forced air warming | no estimate extracted | 2 studies · 80 participants | Moderate Downgraded: risk of bias |
Length of stay in PACU Additional insulation vs forced air warming | no estimate extracted | 3 studies · 280 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Shivering observation by staff Additional insulation vs forced air warming | RR 3 [0.48, 18.69] | 3 studies · 280 participants | Low Downgraded: risk of bias, imprecision |