Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

45 questions · 51 findings · 5 reviews · Anaesthesia

No studies found 6 · 11.8%GRADE not reported 0 · 0%Very low 12 · 23.5%Low 16 · 31.4%Moderate 13 · 25.5%High 4 · 7.8%

Peripheral nerve block vs neuraxial block

Aute confusional state Disorientation · adults undergoing elective primary total hip replacement

It is very uncertain whether peripheral nerve block changes aute confusional state Disorientation compared with neuraxial block (very low certainty).

1 finding from 1 review

Peripheral nerve block vs neuraxial block

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · adults undergoing elective primary total hip replacement

Peripheral nerve block showed no clear difference in pain at rest on arrival in postoperative care unit Verbal/visual… compared with neuraxial block (moderate certainty).

1 finding from 1 review

Peripheral nerve block vs systemic analgesia

Pain at rest on arrival in postoperative care unit Visual/verbal analogue scale · adults undergoing elective primary total hip replacement

Peripheral nerve blocks showed no clear difference in pain at rest on arrival in postoperative care unit Visual/verbal… compared with systemic analgesia (moderate certainty).

1 finding from 1 review

Peripheral nerve block vs systemic analgesia

Acute confusional state Complete loss of time and space orientation · adults undergoing elective primary total hip replacement

It is very uncertain whether peripheral nerve blocks changes acute confusional state Complete loss of time and space orientation compared with systemic analgesia (very low certainty).

1 finding from 1 review

Peripheral nerve block vs systemic analgesia

Length of hospital stay · adults undergoing elective primary total hip replacement

It is very uncertain whether peripheral nerve blocks changes hospital length of stay Objective actual measurement compared with systemic analgesia (very low certainty).

1 finding from 1 review

Peripheral nerve block vs systemic analgesia

Walking at postoperative day 1 Objective actual measurement · adults undergoing elective primary total hip replacement

It is very uncertain whether peripheral nerve blocks changes walking at postoperative day 1 Objective actual measurement compared with systemic analgesia (very low certainty).

1 finding from 1 review

Peripheral nerve block vs systemic analgesia

Patient satisfaction Subjective scales · adults undergoing elective primary total hip replacement

Peripheral nerve blocks may leads to higher patient satisfaction Subjective scales compared with systemic analgesia (low certainty).

1 finding from 1 review

Ultrasound guidance vs no ultrasound

Failed blocks · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in failed blocks compared with no ultrasound guidance (moderate certainty).

1 finding from 1 review