Cochrane · systematic review · CD009892
Interventions for treating inadvertent postoperative hypothermia
Warttig, S, Alderson, P, Campbell, G, 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
14
current version
GRADE rated
10
No studies
4
Included studies
NR
No studies 4 · 28.6%Ungraded 0 · 0%Very low 0 · 0%Low 3 · 21.4%Moderate 7 · 50%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: adults with postoperative hypothermia
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Time to normothermia (minutes) Active vs unwarmed cotton blankets | no estimate extracted | 2 studies · 95 participants | Moderate Downgraded: risk of bias |
Time to normothermia (minutes) Active vs warmed cotton blankets | no estimate extracted | 2 studies · 220 participants | Moderate Downgraded: risk of bias |
Mean temperature difference (60 minutes after warming started) Active vs warmed cotton blankets | no estimate extracted | 2 studies · 102 participants | Moderate Downgraded: risk of bias |
Rate of rewarming (°C per hour) Active vs unwarmed cotton blankets | no estimate extracted | 1 study · 24 participants | Moderate Downgraded: risk of bias, imprecision |
Major cardiovascular complications: not reported | no estimate extracted | NR | No studies |
Shivering (number of patients) Active vs warmed cotton blankets | RR 0.95 [0.52, 1.74] | 2 studies · 103 participants | Low Downgraded: risk of bias, imprecision |
Shivering (number of patients) Active vs unwarmed cotton blankets | RR 0.61 [0.42, 0.86] | 1 study · 36 participants | Low Downgraded: risk of bias, imprecision |
Length of stay: days Active vs warmed cotton blankets | no estimate extracted | 1 study · 130 participants | Low Downgraded: risk of bias, imprecision |
Comparison
Population: adults with postoperative hypothermia
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Time to normothermia (minutes) Thermal vs warmed cotton blanket | no estimate extracted | 1 study · 138 participants | Moderate Downgraded: risk of bias, imprecision |
Mean temperature difference (60 minutes after warming started): not reported | no estimate extracted | NR | No studies |
Rate of rewarming: not reported | no estimate extracted | NR | No studies |
Major cardiovascular complications: not reported | no estimate extracted | NR | No studies |
Pain (number of patients) Thermal vs warmed cotton blanket | RR 0.79 [0.56, 1.1] | 1 study · 138 participants | Moderate Downgraded: risk of bias, imprecision |
Shivering (number of patients) Thermal vs warmed cotton blanket | RR 1.36 [0.69, 2.67] | 1 study · 138 participants | Moderate Downgraded: risk of bias, imprecision |