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Titolo:
Doppler sonography to monitor flow in different cerebral arteries in the rabbit
Autore:
Roatta, S; Roncari, S; Micieli, G; Bosone, D; Passatore, M;
Indirizzi:
Dipartimento Neurosci, Sez Fisiol, I-10126 Turin, Italy Dipartimento Neurosci Turin Italy I-10126 z Fisiol, I-10126 Turin, Italy Univ Turin, Sch Med, Cind, Turin, Italy Univ Turin Turin ItalyUniv Turin, Sch Med, Cind, Turin, Italy Univ Pavia, Sch Med, C Mondino Fdn, Dept Neurol,Stroke Unit, I-27100 Pavia, Italy Univ Pavia Pavia Italy I-27100 Neurol,Stroke Unit, I-27100 Pavia, Italy
Titolo Testata:
EXPERIMENTAL PHYSIOLOGY
fascicolo: 4, volume: 85, anno: 2000,
pagine: 431 - 438
SICI:
0958-0670(200007)85:4<431:DSTMFI>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
ACUTE INTRACRANIAL HYPERTENSION; TRANSCRANIAL DOPPLER; BLOOD-FLOW; BRAIN-STEM; HEMORRHAGE; ULTRASOUND; VELOCITY; PRESSURE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Roatta, S Dipartimento Neurosci, Sez Fisiol, Corso Raffaello 30, I-10126 Turin, Italy Dipartimento Neurosci Corso Raffaello 30 Turin Italy I-10126 ly
Citazione:
S. Roatta et al., "Doppler sonography to monitor flow in different cerebral arteries in the rabbit", EXP PHYSIOL, 85(4), 2000, pp. 431-438

Abstract

Most of the transcranial Doppler (TCD) experimental studies on cerebral haemodynamics have been performed in the rabbit because of the similarity between its Willis circle and that of the human, but these studies have mainlybt en limited to the basilar artery. The present study was aimed at extending the use of TCD sonography to all other large cerebral arteries. In anaesthetised rabbits, these arteries were insonated from three different recording sites, i.e. top-cranial, suboccipital and orbital, using a two-channelpulsed Doppler device equipped with 4 and 8 MHz probes. First, discrimination between intra- and extracranial arteries was achieved through a standard 'rebreathing' test (hypercapnic-hypoxic stimulation). The distinctive blood velocity response patterns, reflecting the different extents of metabolic reactivity in intra- and extracranial territories, are described and discussed. Intracranial arteries were then identified on the basis of their response to ipsi- and contralateral common carotid artery occlusion. This procedure allowed recording from the following arteries: anterior common trunk,anterior cerebral, internal carotid, middle cerebral and basilar; the latter could be simultaneously monitored with any of the others. This study provides an experimental model allowing investigation of regional differences in the haemodynamic response to neurogenic and pharmacological stimuli.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 11:22:42