Cochrane · systematic review · CD013096

Interventions for altering blood pressure in people with acute subarachnoid haemorrhage

Maagaard, M, Karlsson, WK, Ovesen, C, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

StrokeAMSTAR 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
7
No studies
7
Included studies
NR
No studies 7 · 50%Ungraded 0 · 0%Very low 7 · 50%Low 0 · 0%Moderate 0 · 0%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

Induced hypertension versus placebo or no intervention for people with acute subarachnoid haemorrhage

Population: people with acute subarachnoid haemorrhage
7 questions
OutcomeEffectEvidenceStatus / GRADE
Death from all causes (primary outcome)
Induced hypertension vs placebo or no intervention
RR 1.6 [0.57, 4.42]2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Death or dependency (primary outcome)
Induced hypertension vs placebo or no intervention
RR 1.29 [0.78, 2.13]2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants with ≥ 1 serious adverse events
Induced hypertension vs placebo or no intervention
RR 2.24 [1.01, 4.99]2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life
Induced hypertension vs placebo or no intervention
no estimate extracted1 study · 20 participantsVery low
Downgraded: risk of bias, imprecision
Rebleeding
Induced hypertension vs placebo or no intervention
no estimate extracted1 study · 41 participantsVery low
Downgraded: risk of bias, imprecision
Delayed cerebral ischaemia
Induced hypertension vs placebo or no intervention
RR 0.33 [0.02, 7.32]1 study · 20 participantsVery low
Downgraded: risk of bias, imprecision
Hydrocephalus
Induced hypertension vs placebo or no intervention
no estimate extractedNRNo studies

Lowered blood pressure versus placebo for people with subarachnoid haemorrhage

Population: people with acute subarachnoid haemorrhage
7 questions
OutcomeEffectEvidenceStatus / GRADE
Death from all causes (primary outcome)
Lowered blood pressure vs placebo
RR 0.52 [0.28, 0.98]1 study · 204 participantsVery low
Downgraded: risk of bias, imprecision
Death or dependency (primary outcome)
Lowered blood pressure vs placebo
no estimate extractedNRNo studies
Proportion of participants with ≥ 1 serious adverse events
Lowered blood pressure vs placebo
no estimate extractedNRNo studies
Quality of life
Lowered blood pressure vs placebo
no estimate extractedNRNo studies
Rebleeding
Lowered blood pressure vs placebo
no estimate extractedNRNo studies
Delayed cerebral ischaemia
Lowered blood pressure vs placebo
no estimate extractedNRNo studies
Hydrocephalus
Lowered blood pressure vs placebo
no estimate extractedNRNo studies