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Major intracranial arterial stenosis influence association between baseline blood pressure and clinical outcomes after thrombolysis in ischemic stroke patients. 2023

Lijie Gao, and Zuoxiao Li, and Zhengzhou Yuan, and Xingyang Yi, and Jie Li, and Chaohua Cui, and Ning Chen, and Li He
Department of Neurology, West China Hospital of Sichuan University, Chengdu, China.

This study aimed to investigate the relationship between baseline blood pressure (BP) and clinical outcomes after thrombolysis for acute ischemic stroke (AIS) in different intracranial arterial stenosis subgroups. AIS patients from multicenter with intravenous thrombolysis were retrospectively enrolled from January 2013 to December 2021. We categorized participants into severe (≥ 70%) and nonsevere (< 70%) stenosis of major intracranial arteries subgroups. The primary outcome was unfavorable functional outcome defined as 3-month modified Rankin Scale (mRS) ≥2. The association coefficients between baseline BP and functional outcomes were estimated in general linear regression model. The interactive effect was tested to determine the influence of intracranial arterial stenosis on the association between BP and clinical outcomes. A total of 329 patients were included. Severe subgroup was detected in 151 patients with average age of 70.5. Association between baseline diastolic BP (DBP) and unfavorable functional outcome in intracranial artery stenosis subgroups was significantly different (p for interaction < .05). In nonsevere subgroup, higher baseline DBP was associated with higher risk of unfavorable outcome (OR 1.11, 95% CI 1.03 to 1.20, p = .009) compared with severe subgroup (OR 1.02, 95% CI 0.97 to 1.08, p = .341). Besides, intracranial artery stenosis also modified association between baseline systolic BP (SBP) and 3-month death (p for interaction < .05). In severe subgroup, higher baseline SBP was associated with decreased 3-month death risk (OR 0.88, 95% CI 0.78 to 1, p = .044) compared with nonsevere subgroup (OR 1, 95% CI 0.93 to 1.07, p = .908). The major intracranial artery state modulates association between baseline BP and 3-month clinical outcomes after intravenous thrombolysis.

UI MeSH Term Description Entries
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D002545 Brain Ischemia Localized reduction of blood flow to brain tissue due to arterial obstruction or systemic hypoperfusion. This frequently occurs in conjunction with brain hypoxia (HYPOXIA, BRAIN). Prolonged ischemia is associated with BRAIN INFARCTION. Cerebral Ischemia,Ischemic Encephalopathy,Encephalopathy, Ischemic,Ischemia, Cerebral,Brain Ischemias,Cerebral Ischemias,Ischemia, Brain,Ischemias, Cerebral,Ischemic Encephalopathies
D003251 Constriction, Pathologic The condition of an anatomical structure's being constricted beyond normal dimensions. Stenosis,Stricture,Constriction, Pathological,Pathologic Constriction,Constrictions, Pathologic,Pathologic Constrictions,Pathological Constriction,Stenoses,Strictures
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000083242 Ischemic Stroke Stroke due to BRAIN ISCHEMIA resulting in interruption or reduction of blood flow to a part of the brain. When obstruction is due to a BLOOD CLOT formed within in a cerebral blood vessel it is a thrombotic stroke. When obstruction is formed elsewhere and moved to block a cerebral blood vessel (see CEREBRAL EMBOLISM) it is referred to as embolic stroke. Wake-up stroke refers to ischemic stroke occurring during sleep while cryptogenic stroke refers to ischemic stroke of unknown origin. Acute Ischemic Stroke,Cryptogenic Embolism Stroke,Cryptogenic Ischemic Stroke,Cryptogenic Stroke,Ischaemic Stroke,Wake-up Stroke,Acute Ischemic Strokes,Cryptogenic Embolism Strokes,Cryptogenic Ischemic Strokes,Cryptogenic Strokes,Embolism Stroke, Cryptogenic,Ischaemic Strokes,Ischemic Stroke, Acute,Ischemic Stroke, Cryptogenic,Ischemic Strokes,Stroke, Acute Ischemic,Stroke, Cryptogenic,Stroke, Cryptogenic Embolism,Stroke, Cryptogenic Ischemic,Stroke, Ischaemic,Stroke, Ischemic,Stroke, Wake-up,Wake up Stroke,Wake-up Strokes
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D015912 Thrombolytic Therapy Use of infusions of FIBRINOLYTIC AGENTS to destroy or dissolve thrombi in blood vessels or bypass grafts. Fibrinolytic Therapy,Thrombolysis, Therapeutic,Therapeutic Thrombolysis,Therapy, Fibrinolytic,Therapy, Thrombolytic,Fibrinolytic Therapies,Therapeutic Thrombolyses,Therapies, Fibrinolytic,Therapies, Thrombolytic,Thrombolyses, Therapeutic,Thrombolytic Therapies
D016896 Treatment Outcome Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series. Rehabilitation Outcome,Treatment Effectiveness,Clinical Effectiveness,Clinical Efficacy,Patient-Relevant Outcome,Treatment Efficacy,Effectiveness, Clinical,Effectiveness, Treatment,Efficacy, Clinical,Efficacy, Treatment,Outcome, Patient-Relevant,Outcome, Rehabilitation,Outcome, Treatment,Outcomes, Patient-Relevant,Patient Relevant Outcome,Patient-Relevant Outcomes
D020521 Stroke A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810) Apoplexy,Cerebral Stroke,Cerebrovascular Accident,Cerebrovascular Apoplexy,Vascular Accident, Brain,CVA (Cerebrovascular Accident),Cerebrovascular Accident, Acute,Cerebrovascular Stroke,Stroke, Acute,Acute Cerebrovascular Accident,Acute Cerebrovascular Accidents,Acute Stroke,Acute Strokes,Apoplexy, Cerebrovascular,Brain Vascular Accident,Brain Vascular Accidents,CVAs (Cerebrovascular Accident),Cerebral Strokes,Cerebrovascular Accidents,Cerebrovascular Accidents, Acute,Cerebrovascular Strokes,Stroke, Cerebral,Stroke, Cerebrovascular,Strokes,Strokes, Acute,Strokes, Cerebral,Strokes, Cerebrovascular,Vascular Accidents, Brain

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