Findings

What do systematic reviews say?

5 questions · 5 findings · 3 reviews

No studies found 1 · 20%GRADE not reported 0 · 0%Very low 3 · 60%Low 1 · 20%Moderate 0 · 0%High 0 · 0%

Wound infection · people undergoing emergency open appendectomy for complicated appendicitis

It is very uncertain whether drainage changes wound infection compared with no drainage after open appendectomy (very low certainty).

1 finding from 1 review

Wound infection · people undergoing elective pancreatic resections

Drain use showed no clear difference in wound infection compared with no drain use following pancreatic surgery (low certainty).

1 finding from 1 review

Prophylactic abdominal drainage for pancreatic surgery 2021 · Cochrane Headline outcomes only
RR 0.98 [0.68, 1.41]
4 studies · 1055 participants
Low

Wound infection · people undergoing elective pancreatic resections

It is very uncertain whether active drain changes wound infection compared with passive drain following pancreatic surgery (very low certainty).

1 finding from 1 review

Prophylactic abdominal drainage for pancreatic surgery 2021 · Cochrane Headline outcomes only
RR 0.92 [0.44, 1.9]
2 studies · 321 participants
Very low

Wound infection · Adults with mandibular third molars requiring removal

The review found no eligible studies for this question.

1 finding from 1 review

Surgical techniques for the removal of mandibular wisdom teeth 2020 · Cochrane All outcomes
1 week
no estimate extracted
Studies not reported
No studies found

Wound infection · people undergoing elective pancreatic resections

It is very uncertain whether early changes wound infection compared with late drain removal following pancreatic surgery (very low certainty).

1 finding from 1 review

Prophylactic abdominal drainage for pancreatic surgery 2021 · Cochrane Headline outcomes only
RR 1.32 [0.45, 3.85]
2 studies · 285 participants
Very low