What do systematic reviews say?

Intervention not reported

The intervention may leads to lower crystalloid vs control (low certainty).

• Techniques for preventing hypotension during spinal anaesthesia for caesarean section 2020 · Cochrane Headline outcomes only
  RR 0.84 [0.72, 0.98]
  5 studies · 370 participants
  Low

Intervention not reported

It is very uncertain whether the intervention changes colloid vs crystalloid (very low certainty).

• Techniques for preventing hypotension during spinal anaesthesia for caesarean section 2020 · Cochrane Headline outcomes only
  RR 0.68 [0.58, 0.8]
  28 studies · 2105 participants
  Very low

Hypertonic salt vs isotonic salt solution

• Hypertonic salt solution for peri‐operative fluid management 2016 · Cochrane Headline outcomes only
  no estimate extracted
  13 studies · 871 participants
  Moderate

Starches vs crystalloid

Starches showed no clear difference in all‐cause mortality (at end of compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.97 [0.86, 1.09]
  24 studies · 11177 participants
  Moderate

Dextrans vs crystalloid

The review found no eligible studies for this question.

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Dextrans vs crystalloid

The review found no eligible studies for this question.

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Gelatins vs crystalloid

Gelatins showed no clear difference in all‐cause mortality (at end of compared with crystalloid (low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.89 [0.74, 1.08]
  6 studies · 1698 participants
  Low

Gelatins vs crystalloid

Gelatins showed no clear difference in all‐cause mortality (within 90 days) compared with crystalloid (low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.89 [0.73, 1.09]
  1 study · 1388 participants
  Low

Gelatins vs crystalloid

Gelatins showed no clear difference in all‐cause mortality (within 30 days) compared with crystalloid (low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.92 [0.74, 1.16]
  1 study · 1388 participants
  Low

Gelatins vs crystalloid

It is very uncertain whether gelatins changes transfusion of blood products compared with crystalloid (very low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 5.89 [0.24, 142.41]
  1 study · 167 participants
  Very low

Gelatins vs crystalloid

The review found no eligible studies for this question.

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Gelatins vs crystalloid

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Albumin and fresh frozen plasma vs crystalloid

Albumin and fresh frozen plasma showed no clear difference in all‐cause mortality (at end of compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.98 [0.92, 1.06]
  20 studies · 13047 participants
  Moderate

Albumin and fresh frozen plasma vs crystalloid

Albumin and fresh frozen plasma showed no clear difference in all‐cause mortality (within 90 days) compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.98 [0.92, 1.04]
  10 studies · 12492 participants
  Moderate

Starches vs crystalloid

Starches showed no clear difference in all‐cause mortality (at 90 days) compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 1.01 [0.9, 1.14]
  15 studies · 10415 participants
  Moderate

Albumin and fresh frozen plasma vs crystalloid

Albumin and fresh frozen plasma showed no clear difference in all‐cause mortality (within 30 days) compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.99 [0.93, 1.06]
  10 studies · 12506 participants
  Moderate

Albumin and fresh frozen plasma vs crystalloid

It is very uncertain whether albumin and fresh frozen plasma changes transfusion of blood products compared with crystalloid (very low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 1.31 [0.95, 1.8]
  3 studies · 290 participants
  Very low

Albumin and fresh frozen plasma vs crystalloid

Albumin and fresh frozen plasma showed no clear difference in renal replacement therapy compared with crystalloid (low certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 1.11 [0.96, 1.27]
  2 studies · 3028 participants
  Low

Albumin and fresh frozen plasma vs crystalloid

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Starches vs crystalloid

Starches showed no clear difference in all‐cause mortality (within 30 days) compared with crystalloid (moderate certainty).

• Colloids versus crystalloids for fluid resuscitation in critically ill people 2018 · Cochrane Headline outcomes only
  RR 0.99 [0.9, 1.09]
  11 studies · 10135 participants
  Moderate