What do systematic reviews say?

Hydrogel dressings vs povidone‐iodine

It is very uncertain whether hydrogel dressing changes adverse effects (surgical site infection or allergic reaction) compared with wound cleaning with 10% povidone iodine (very low certainty).

• Dressings and topical agents for the management of open wounds after surgical treatment for sacrococcygeal pilonidal… 2022 · Cochrane Headline outcomes only
  RR 2.13 [0.22, 21.17]
  1 study · 31 participants
  Very low

Platelet‐rich plasma gel vs absorbent sterile cotton gauze

The review found no eligible studies for this question.

• Dressings and topical agents for the management of open wounds after surgical treatment for sacrococcygeal pilonidal… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Gentamicin‐impregnated collagen sponge vs no dressing

The review found no eligible studies for this question.

• Dressings and topical agents for the management of open wounds after surgical treatment for sacrococcygeal pilonidal… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Dialkylcarbamoyl chloride (DACC)‐coated dressing vs alginate dressing

The review found no eligible studies for this question.

• Dressings and topical agents for the management of open wounds after surgical treatment for sacrococcygeal pilonidal… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Negative pressure wound therapy vs conventional open wound healing

• Dressings and topical agents for the management of open wounds after surgical treatment for sacrococcygeal pilonidal… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 68 participants
  GRADE not reported

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

It is very uncertain whether double primary (canine and first molar) tooth extraction changes number of participants referred for surgical exposure of the PDC compared with single primary (canine) tooth extraction (very low certainty).

• Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes

  48 months (maximum; mITT)
  RR 0.31 [0.06, 1.45]
  2 studies · 96 participants
  Very low

Clipping vs no hair removal

Clipping showed no clear difference in surgical site infection (SSIs) compared with no hair removal (low certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 0.95 [0.65, 1.39]
  3 studies · 1733 participants
  Low

Shaving vs clipping

Shaving probably leads to higher surgical site infection (SSI) compared with clipping (moderate certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 1.64 [1.16, 2.33]
  7 studies · 3723 participants
  Moderate

Shaving vs cream

Shaving probably leads to higher surgical site infection (SSI) compared with cream (moderate certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 2.28 [1.12, 4.65]
  9 studies · 1593 participants
  Moderate

Hair removal the day before surgery vs hair removal on the day of surgery

Hair removal the day before surgery showed no clear difference in surgical site infection (SSIs) compared with hair removal on the day of surgery (low certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 0.83 [0.54, 1.3]
  1 study · 977 participants
  Low

Shaving vs no hair removal

Shaving probably leads to higher surgical site infection (SSIs) compared with no hair removal (moderate certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 1.82 [1.05, 3.14]
  7 studies · 1706 participants
  Moderate

Depilatory cream vs no hair removal

Depilatory cream showed no clear difference in surgical site infection (SSI) compared with no hair removal (low certainty).

• Preoperative hair removal to reduce surgical site infection 2021 · Cochrane Headline outcomes only
  RR 1.02 [0.45, 2.31]
  1 study · 267 participants
  Low

Extraction of the primary (baby) canine (single primary tooth extraction) vs No extraction (non-intervention control)

It is very uncertain whether extraction of the primary (baby) canine (single primary tooth… changes number of participants referred for surgical exposure of the PDC compared with no extraction (non-intervention control) (very low certainty).

• Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes

  12 months
  RR 0.61 [0.29, 1.28]
  1 study · 45 participants
  Very low

Laparoscopic proximal tubal occlusion vs laparoscopic salpingectomy

The review found no eligible studies for this question.

• Surgical treatment for tubal disease in women due to undergo in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Laparoscopic proximal tubal occlusion vs laparoscopic salpingectomy

The review found no eligible studies for this question.

• Surgical treatment for tubal disease in women due to undergo in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Transvaginal aspiration of hydrosalpingeal fluid vs laparoscopic salpingectomy

• Surgical treatment for tubal disease in women due to undergo in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 160 participants
  GRADE not reported

Tubal surgery vs no surgery

The review found no eligible studies for this question.

• Surgical treatment for tubal disease in women due to undergo in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Tubal surgery vs no surgery

The review found no eligible studies for this question.

• Surgical treatment for tubal disease in women due to undergo in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Combined trabeculotomy with trabeculectomy vs trabeculotomy

It is very uncertain whether combined trabeculotomy with trabeculectomy changes surgical success: proportion with postoperative IOP ≤ 21 mmHg with… compared with trabeculotomy (very low certainty).

• Surgical interventions for primary congenital glaucoma 2020 · Cochrane Headline outcomes only
  RR 1.01 [0.9, 1.14]
  3 studies · 102 participants
  Very low

Viscotrabeculotomy vs conventional trabeculotomy

It is very uncertain whether viscotrabeculotomy changes proportion with postoperative IOP ≤ 21 mmHg (surgical success) with… compared with conventional trabeculotomy (very low certainty).

• Surgical interventions for primary congenital glaucoma 2020 · Cochrane Headline outcomes only
  RR 1.11 [0.7, 1.78]
  1 study · 41 participants
  Very low