What do systematic reviews say?

Laparoscopy vs open appendicectomy

Laparoscopy showed no clear difference in total length of in‐patient stay (days) compared with open appendicectomy (low certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 455 participants
  Low

Laparoscopy vs open appendicectomy

Laparoscopy probably leads to lower normal appendix removed compared with open appendicectomy (moderate certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  OR 0.13 [0.07, 0.24]
  7 studies · 475 participants
  Moderate

Laparoscopy vs 'wait and see' strategy

Laparoscopy probably leads to higher diagnosis before discharge compared with 'wait and see' strategy (moderate certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  OR 6.07 [1.85, 19.88]
  4 studies · 395 participants
  Moderate

Laparoscopy vs 'wait and see' strategy

Laparoscopy showed no clear difference in any adverse events compared with 'wait and see' strategy (moderate certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  OR 0.87 [0.45, 1.67]
  4 studies · 399 participants
  Moderate

Laparoscopy vs 'wait and see' strategy

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 169 participants
  Low

Laparoscopy vs 'wait and see' strategy

Laparoscopy may leads to higher normal appendix removed compared with 'wait and see' strategy (low certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  OR 5.14 [2.22, 11.87]
  1 study · 104 participants
  Low

Laparoscopy vs 'wait and see' strategy

Laparoscopy showed no clear difference in mortality compared with 'wait and see' strategy (low certainty).

• Laparoscopy for the management of acute lower abdominal pain in women of childbearing age 2014 · Cochrane Headline outcomes only
  OR 1.03 [0.06, 16.93]
  3 studies · 334 participants
  Low

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs paracetamol

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) leads to higher proportion of patients with >50% maximum pain relief (TOTPAR) over 6… compared with paracetamol (acetaminophen) (single postoperative oral dose; 600 mg… (high certainty).

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  6 hours postdosing · Ibuprofen 400 mg vs paracetamol 1000 mg
  RR 1.47 [1.28, 1.69]
  5 studies · 646 participants
  High

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)

Combined paracetamol plus ibuprofen in a single tablet (e.g.… showed no clear difference in proportion of patients with >50% maximum pain relief (TOTPAR) over 2… compared with single drugs given separately (paracetamol 1000 mg or ibuprofen 400… (moderate certainty).

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  2 hours postdosing · Paracetamol 1000 mg/ibuprofen 400 mg vs paracetamol 1000 mg or ibuprofen 400 mg
  RR 1.29 [0.91, 1.85]
  1 study · 170 participants
  Moderate

Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  Study period (immediate postoperative)
  The majority of adverse events were minor in nature and usually included nausea, vomiting, headaches and dizziness. Side effect profiles have not been included in a meta-analysis as multiple adverse events were…
  2 studies
  GRADE not reported

Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)

Combined paracetamol plus ibuprofen in a single tablet (e.g.… probably leads to higher proportion of patients with >50% maximum pain relief (TOTPAR) over 6… compared with single drugs given separately (paracetamol 1000 mg or ibuprofen 400… (moderate certainty).

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  6 hours postdosing · Paracetamol 1000 mg/ibuprofen 400 mg vs paracetamol 1000 mg or ibuprofen 400 mg
  RR 1.77 [1.32, 2.39]
  1 study · 170 participants
  Moderate

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs paracetamol

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) leads to higher proportion of patients with >50% maximum pain relief (TOTPAR) over 2… compared with paracetamol (acetaminophen) (single postoperative oral dose; 600 mg… (high certainty).

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  2 hours postdosing · Ibuprofen 400 mg vs paracetamol 1000 mg
  RR 1.30 [1.09, 1.55]
  5 studies · 645 participants
  High

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs paracetamol

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) leads to higher patients not using rescue medication at 6 hours compared with paracetamol (acetaminophen) (single postoperative oral dose; 600 mg… (high certainty).

• Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth 2013 · Cochrane All outcomes

  6 hours postdosing · Ibuprofen 400 mg vs paracetamol 1000 mg
  RR 1.50 [1.25, 1.79]
  4 studies · 542 participants
  High

Infraclavicular block vs all other brachial plexus blocks

infraclavicular block showed no clear difference in adequate surgical anaesthesia ‐ At 30 minutes post‐block assessment… compared with all other brachial plexus blocks (high certainty).

• Infraclavicular brachial plexus block for regional anaesthesia of the lower arm 2013 · Cochrane Headline outcomes only
  RR 0.88 [0.51, 1.52]
  14 studies · 1051 participants
  High