What do systematic reviews say?

1,438 questions · 1,463 findings · 125 reviews · Anaesthesia

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No studies found 197 · 13.5%GRADE not reported 203 · 13.9%Very low 307 · 21%Low 441 · 30.1%Moderate 245 · 16.7%High 70 · 4.8%

Intervention not reported

Mean temperature difference (60 minutes after warming started) Active vs warmed cotton blankets · adults with postoperative hypothermia

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 102 participants
Moderate

Intervention not reported

Rate of rewarming (°C per hour) Active vs unwarmed cotton blankets · adults with postoperative hypothermia

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
1 study · 24 participants
Moderate

Intervention not reported

Major cardiovascular complications: not reported · adults with postoperative hypothermia

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Shivering (number of patients) Active vs warmed cotton blankets · adults with postoperative hypothermia

The intervention showed no clear difference in shivering (number of patients) Active vs warmed cotton blankets (low certainty).

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
RR 0.95 [0.52, 1.74]
2 studies · 103 participants
Low

Intervention not reported

Shivering (number of patients) Active vs unwarmed cotton blankets · adults with postoperative hypothermia

The intervention may leads to lower shivering (number of patients) Active vs unwarmed cotton blankets (low certainty).

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
RR 0.61 [0.42, 0.86]
1 study · 36 participants
Low

Intervention not reported

Length of stay: days Active vs warmed cotton blankets · adults with postoperative hypothermia

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
1 study · 130 participants
Low

Intervention not reported

Time to normothermia (minutes) Thermal vs warmed cotton blanket · adults with postoperative hypothermia

1 finding from 1 review

Interventions for treating inadvertent postoperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
1 study · 138 participants
Moderate

Intervention not reported

Temperature after 30 minutes ºC · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 250 participants
Low

Additional insulation vs forced air warming

Blood loss (ml) Estimated blood loss during myomectomy · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 80 participants
Moderate

Additional insulation vs forced air warming

Length of stay in PACU · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 280 participants
Very low

Additional insulation vs forced air warming

Shivering · patients with preventing inadvertent perioperative hypothermia

Additional insulation showed no clear difference in shivering observation by staff compared with forced air warming (low certainty).

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
RR 3 [0.48, 18.69]
3 studies · 280 participants
Low

Intervention not reported

Temperature after 1 hour ºC · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 264 participants
Low

Intervention not reported

Temperature at the end of procedure or arrival in PACU ‐ Simple design studies ºC · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 353 participants
Low

Intervention not reported

Estimated blood loss mls · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 84 participants
Low

Intervention not reported

Length of stay in PACU · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Intervention not reported

Shivering observation by staff · patients with preventing inadvertent perioperative hypothermia

The intervention showed no clear difference in shivering observation by staff (low certainty).

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
RR 0.36 [0.12, 1.06]
2 studies · 268 participants
Low

Additional insulation vs forced air warming

Temperature after 30 minutes ºC · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 90 participants
Moderate

Additional insulation vs forced air warming

Temperature after 1 hour ºC · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 114 participants
Moderate

Additional insulation vs forced air warming

Temperature at end of procedure /arrival in PACU · patients with preventing inadvertent perioperative hypothermia

1 finding from 1 review

Thermal insulation for preventing inadvertent perioperative hypothermia 2014 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 330 participants
Very low

FNB (any type) vs another opioid (PCA)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with knee replacement surgery

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
no estimate extracted
19 studies · 1066 participants
Moderate