Individualized Blood Pressure Management During Endovascular Stroke Treatment

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

250 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-10-01

Study Completion Date

2022-10-21

Brief Summary

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Optimal blood pressure management during endovascular treatment of acute ischemic stroke is not well established. Several retrospective data indicate, that there is a U-shaped relationship of admission blood pressure and functional outcome, where either very high or very low blood pressure are disadvantageous for the patient. Low blood pressure might lead to hypoperfusion in ischemic areas (i.e. penumbra) and to larger infarction sizes, while on the other hand, maladaptive high blood pressure might lead to edema and hemorrhage. Retrospective data investigating intraprocedural blood pressure and its influence on outcome is limited. Some studies indicate that hypotensive blood pressure drops from the level of the admission blood pressure lead to a worse outcome. Intraprocedural hypotensive drops are common during endovascular thrombectomy due to application of necessary sedative drugs for agitated stroke patients. We aim to investigate whether individualized blood pressure management with patient-specific blood pressure targets situated at the level during presentation might be associated with better functional outcome compared with general blood pressure targets for patients during thrombectomy. For this purpose, we plan to perform this single center, parallel-group, open-label randomized controlled trial with blinded endpoint evaluation (PROBE).

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Detailed Description

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Conditions

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Acute Ischemic Stroke

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Standard Blood Pressure management

The standard blood pressure management is maintenance of intraprocedural pre-recanalization SBP between 140-180 mmHg for all patients who receive endovascular thrombectomy for acute ischemic stroke in anterior circulation.

Group Type ACTIVE_COMPARATOR

INDIVIDUALIZED BLOOD PRESSURE MANAGEMENT DURING ENDOVASCULAR TREATMENT OF ACUTE ISCHEMIC STROKE UNDER PROCEDURAL SEDATION

Intervention Type PROCEDURE

The individual target range is defined as: bSBP ± 10 mmHg. The lowest possible SBP target range is 100-120 mmHg. The highest SBP target range is determined on the basis of whether patients receive concurrent IV fibrinolytic therapy or not. In patients where IV fibrinolytic therapy is applied, the highest SBP range is 160-180 mmHg, in patients without concurrent fibrinolytic therapy the highest SBP range is 180-200 mmHg.

Individualized Blood Pressure management

The study intervention would be maintaining the intraprocedural pre-recanalization blood pressure in individualized SBP target ranges depending on the systolic blood pressure of the patient at presentation (=baseline SBP or bSBP).

Group Type EXPERIMENTAL

INDIVIDUALIZED BLOOD PRESSURE MANAGEMENT DURING ENDOVASCULAR TREATMENT OF ACUTE ISCHEMIC STROKE UNDER PROCEDURAL SEDATION

Intervention Type PROCEDURE

The individual target range is defined as: bSBP ± 10 mmHg. The lowest possible SBP target range is 100-120 mmHg. The highest SBP target range is determined on the basis of whether patients receive concurrent IV fibrinolytic therapy or not. In patients where IV fibrinolytic therapy is applied, the highest SBP range is 160-180 mmHg, in patients without concurrent fibrinolytic therapy the highest SBP range is 180-200 mmHg.

Interventions

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INDIVIDUALIZED BLOOD PRESSURE MANAGEMENT DURING ENDOVASCULAR TREATMENT OF ACUTE ISCHEMIC STROKE UNDER PROCEDURAL SEDATION

The individual target range is defined as: bSBP ± 10 mmHg. The lowest possible SBP target range is 100-120 mmHg. The highest SBP target range is determined on the basis of whether patients receive concurrent IV fibrinolytic therapy or not. In patients where IV fibrinolytic therapy is applied, the highest SBP range is 160-180 mmHg, in patients without concurrent fibrinolytic therapy the highest SBP range is 180-200 mmHg.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Decision for thrombectomy according to local protocol for acute recanalizing stroke treatment
2. Age 18 years or older, either sex
3. National Institutes of Health Stroke Scale (NIHSS) ≥ 8
4. Acute ischemic stroke in the anterior circulation with isolated or combined occlusion of: Internal carotid artery (ICA) and/or middle cerebral artery (MCA)
5. Informed consent by the patient him-/herself or his/her legal representative obtainable within 72 h of treatment

Exclusion Criteria

1. Intracerebral hemorrhage
2. Coma on admission (Glasgow Coma Scale ≤ 8)
3. Severe respiratory instability, loss of airway protective reflexes or vomiting on admission, where primary intubation and general anesthesia is deemed necessary
4. Intubated state before randomization
5. Severe hemodynamic instability (e.g. due to decompensated heart insufficiency)

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No