Findings

What do systematic reviews say?

54 questions · 55 findings · 4 reviews · Anaesthesia

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No studies found 5 · 9.1%GRADE not reported 2 · 3.6%Very low 11 · 20%Low 15 · 27.3%Moderate 14 · 25.5%High 8 · 14.5%

FNB (any type) vs epidural analgesia

Knee flexion range of motion (degree) · 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
6 studies · 328 participants
High

FNB (any type) vs epidural analgesia

Participant satisfaction with analgesia (point) Scale from zero to 10 · 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
2 studies · 120 participants
Low

FNB (any type) vs local infiltration analgesia

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
4 studies · 216 participants
Moderate

FNB (any type) vs local infiltration analgesia

Pain on movement at 24 hours Visual analogue scale Scale from zero to 10 · 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
3 studies · 153 participants
Low

FNB (any type) vs local infiltration analgesia

Neurological injury: not reported · patients with knee replacement surgery

The review found no eligible studies for this question.

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

FNB (any type) vs local infiltration analgesia

Opioid consumption at 24 hours using morphine equivalents Scale from zero to 150 mg · 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
1 study · 40 participants
Moderate

FNB (any type) vs local infiltration analgesia

Maternal nausea and/or vomiting · patients with knee replacement surgery

FNB (any type) showed no clear difference in nausea and/or vomiting compared with local infiltration analgesia (moderate certainty).

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
RR 1.71 [0.64, 4.62]
3 studies · 177 participants
Moderate

FNB (any type) vs another opioid (PCA)

Pain on movement at 24 hours Visual analogue scale Scale from zero to 10 · 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
17 studies · 1017 participants
Moderate

FNB (any type) vs local infiltration analgesia

Participant satisfaction with analgesia (point) Scale from zero to 10 · patients with knee replacement surgery

The review found no eligible studies for this question.

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Continuous FNB vs single‐shot FNB

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
4 studies · 272 participants
Moderate

Continuous FNB vs single‐shot FNB

Pain on movement at 24 hours Visual analogue scale Scale from zero to 10 · 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
4 studies · 272 participants
High

Continuous FNB vs single‐shot FNB

Neurological injury: not reported · patients with knee replacement surgery

The review found no eligible studies for this question.

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Continuous FNB vs single‐shot FNB

Opioid consumption at 24 hours using morphine equivalents Scale from zero to 150 mg · 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
3 studies · 236 participants
Moderate

Continuous FNB vs single‐shot FNB

Maternal nausea and/or vomiting · patients with knee replacement surgery

Continuous FNB showed no clear difference in nausea and/or vomiting compared with single‐shot FNB (moderate certainty).

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
RR 0.55 [0.2, 1.56]
2 studies · 214 participants
Moderate

Continuous FNB vs single‐shot FNB

Patient satisfaction with analgesia ‐ not reported · patients with knee replacement surgery

The review found no eligible studies for this question.

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

FNB (any type) vs another opioid (PCA)

Neurological injury · 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
4 studies · 390 participants
GRADE not reported

FNB (any type) vs another opioid (PCA)

Opioid consumption at 24 hours using morphine equivalents Scale from zero to 150 mg · 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
20 studies · 1156 participants
High

FNB (any type) vs another opioid (PCA)

Maternal nausea and/or vomiting · patients with knee replacement surgery

FNB (any type) leads to lower nausea and/or vomiting compared with PCA opioid (high certainty).

1 finding from 1 review

Femoral nerve blocks for acute postoperative pain after knee replacement surgery 2014 · Cochrane Headline outcomes only
RR 0.47 [0.33, 0.68]
16 studies · 1100 participants
High

FNB (any type) vs another opioid (PCA)

Knee flexion range of motion (degree) · 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
11 studies · 596 participants
Moderate

FNB (any type) vs another opioid (PCA)

Participant satisfaction with analgesia (point) Scale from zero to 10 · 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
4 studies · 180 participants
Low