Cochrane · systematic review · CD009633

Clonidine premedication for postoperative analgesia in children

Lambert, P, Cyna, AM, Knight, N, et al. · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library

AnaesthesiaAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
14
current version
GRADE rated
13
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 1 · 7.1%Very low 0 · 0%Low 7 · 50%Moderate 6 · 42.9%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Clonidine compared to placebo or no treatment for postoperative analgesia in children

Population: patients with postoperative pain
5 questions
OutcomeEffectEvidenceStatus / GRADE
Number requiring additional analgesia at any time postoperatively ‐ low dose clonidine
Clonidine vs placebo or no treatment
RR 1 [0.78, 1.28]1 study · 45 participantsLow
Downgraded: risk of bias
Number requiring additional analgesia at any time postoperatively ‐ high dose clonidine
Clonidine vs placebo or no treatment
RR 0.24 [0.11, 0.51]3 studies · 205 participantsModerate
Downgraded: risk of bias
Number requiring additional analgesia at any time postoperatively ‐ high dose clonidine, studies with lower risk of bias
Clonidine vs placebo or no treatment
RR 0.24 [0.09, 0.69]2 studies · 160 participantsModerate
Downgraded: risk of bias
Postoperative pain score ‐ low dose clonidine
Clonidine vs placebo or no treatment
no estimate extracted1 study · 45 participantsLow
Downgraded: risk of bias
Postoperative pain score ‐ high dose clonidine
Clonidine vs placebo or no treatment
no estimate extracted2 studies · 145 participantsModerate
Downgraded: risk of bias

Clonidine compared to midazolam for postoperative analgesia in children

Population: patients with postoperative pain
3 questions
OutcomeEffectEvidenceStatus / GRADE
Number requiring additional analgesia at any time postoperatively ‐ low dose clonidine
Clonidine vs midazolam
RR 0.25 [0.09, 0.71]1 study · 30 participantsLow
Downgraded: risk of bias
Number requiring additional analgesia at any time postoperatively ‐ high dose clonidine
Clonidine vs midazolam
RR 0.25 [0.09, 0.71]1 study · 30 participantsLow
Downgraded: risk of bias
Haemodynamic or respiratory changes requiring intervention
Clonidine vs midazolam
RR 0.55 [0.31, 0.97]1 study · 134 participantsModerate

Clonidine compared to fentanyl for postoperative analgesia in children

Population: patients with postoperative pain
3 questions
OutcomeEffectEvidenceStatus / GRADE
Number requiring additional analgesia at any time postoperatively
Clonidine vs fentanyl
RR 0.89 [0.56, 1.42]1 study · 36 participantsModerate
Number requiring opioids postoperatively
Clonidine vs fentanyl
RR 0.89 [0.56, 1.42]1 study · 36 participantsModerate
Single, small study.
Clonidine vs fentanyl
no estimate extracted1 participantsUngraded

High dose clonidine compared to low dose clonidine for postoperative analgesia in children

Population: patients with postoperative pain
3 questions
OutcomeEffectEvidenceStatus / GRADE
Number requiring additional analgesia required postoperatively ‐ all studies
High dose clonidine vs low dose clonidine
RR 0.49 [0.22, 1.11]2 studies · 90 participantsLow
Downgraded: risk of bias
Number requiring additional analgesia required postoperatively ‐ moderate quality studies
High dose clonidine vs low dose clonidine
RR 0.38 [0.23, 0.65]1 study · 60 participantsLow
Downgraded: risk of bias
Postoperative pain score
High dose clonidine vs low dose clonidine
no estimate extracted1 study · 60 participantsLow
Downgraded: risk of bias