Neuroanesthesia & neurocritical care

Functional Outcomes Associated With Blood Pressure Decrease After Endovascular Thrombectomy

JAMA Netw OpenPublished Post hoc analysis of the OPTIMAL-BP randomised trial

Authors' conclusion

In this cohort study of patients with successful endovascular thrombectomy after stroke, MIBD within 24 hours after successful recanalization was associated with poor outcomes at 3 months.

Study context

Population
Patients with successful recanalization after endovascular thrombectomy and elevated blood pressure (BP) within 2 hours, 19 stroke centers in South Korea
Participants
302 patients · 19 stroke centers
Comparison
Medication-induced or spontaneous BP decrease vs no BP decrease after successful endovascular thrombectomy
  • Medication-induced BP decrease (MIBD)n = 47
  • Spontaneous BP decrease (SpBD)n = 39
  • No BP decrease (NoBD)n = 216reference
Primary endpoint
Functional independence (modified Rankin scale score 0 to 2)
Follow-up
3 months
Methodological detailscohort study, multicentre
  • Cohort study
  • Multicentre

Primary result

As reported in the abstract

Functional independence (mRS 0-2)
Each group vs NoBDAdjusted odds ratio (95% CI)
MIBD
0.45(0.20–0.98)
SpBD
1.41(0.58–3.49)

Further findings

OutcomeaOR (95% CI)
Mortality due to index stroke · within 3 monthsMIBD vs NoBD5.15 (1.42–19.4)

Safety

OutcomeaOR (95% CI)
Symptomatic intracerebral hemorrhage · within 36 hoursMIBD vs NoBD · not significantly different among the groups1.89 (0.54–5.88)
Symptomatic intracerebral hemorrhage · within 36 hoursSpBD vs NoBD · not significantly different among the groups2.75 (0.76–9.46)

Original publication

Functional Outcomes Associated With Blood Pressure Decrease After Endovascular Thrombectomy. JAMA Netw Open. Published 1 April 2024. doi:10.1001/jamanetworkopen.2024.6878

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