Noradrenergic constriction of cerebral arteries as detected by transcranial doppler (TCD) in the rabbit

Interpretation of transcranial Doppler (TCD) recordings requires assumptions about flow or diameter of the insonated vessel. This study aimed at assessing if activation of the sympathetic system could affect blood velocity (bv) in basal cerebral arteries. In anaesthetized rabbits, stimulation of cer...

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Veröffentlicht in:	Ultrasound in medicine & biology 2003-10, Vol.29 (10), p.1397-1404
Hauptverfasser:	Roatta, S, Canova, D, Bosone, D, Micieli, G, Passatore, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Adrenergic alpha-Antagonists - pharmacology Animals Basilar Artery - diagnostic imaging Basilar Artery - drug effects Basilar Artery - physiology Biological and medical sciences Blood Flow Velocity - drug effects Carotid Artery, Internal - diagnostic imaging Carotid Artery, Internal - drug effects Carotid Artery, Internal - physiology Cerebral Arteries - diagnostic imaging Cerebral Arteries - drug effects Cerebral Arteries - physiology Cerebral blood velocity Cerebral circulation Hypercapnia Hypercapnia - physiopathology Inverse steal Medical sciences Phentolamine - pharmacology phenylephrine Phenylephrine - pharmacology Prazosin - pharmacology Rabbits Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Stress Sympathetic nervous system Sympathetic Nervous System - physiology Technology. Biomaterials. Equipments. Material. Instrumentation Transcranial Doppler Ultrasonography, Doppler, Transcranial Vasoconstriction - drug effects Willis circle
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