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Titolo:
Diagnostic benefit of echocontrast enhancement for the insufficient transtemporal bone window
Autore:
Nabavi, DG; Droste, DW; Schulte-Altedorneburg, G; Kemeny, V; Panzica, M; Weber, S; Ringelstein, EB;
Indirizzi:
Univ Munster, Dept Neurol, D-48129 Munster, Germany Univ Munster MunsterGermany D-48129 pt Neurol, D-48129 Munster, Germany
Titolo Testata:
JOURNAL OF NEUROIMAGING
fascicolo: 2, volume: 9, anno: 1999,
pagine: 102 - 107
SICI:
1051-2284(199904)9:2<102:DBOEEF>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
CODED DUPLEX SONOGRAPHY; MIDDLE CEREBRAL-ARTERY; POWER DOPPLER; COLOR DOPPLER; CONTRAST; VELOCITY; DISEASE; PHASE-2;
Keywords:
echocontrast agents; echoenhancement; diagnostic ultrasonography; bone window;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Nabavi, DG Univnyunster, Dept Neurol, Albert Schweitzer Str 33, D-48129 Munster, Germa Univ Munster Albert Schweitzer Str 33 Munster Germany D-48129
Citazione:
D.G. Nabavi et al., "Diagnostic benefit of echocontrast enhancement for the insufficient transtemporal bone window", J NEUROIMAG, 9(2), 1999, pp. 102-107

Abstract

Echocontrast agents (ECA) are known to improve transcranial color-coded duplex (TCCD) imaging, but its diagnostic benefit in the routine clinical setting has not clearly been defined. The authors investigated the diagnostic benefit of ECA application in 54 patients with insufficient transtemporal bone window, consecutively referred to their ultrasound laboratory. According to the precontrast imaging quality, patients were assigned to three categories: A, no intracranial structures or vessel segments visible on B-mode imaging and TCCD (n = 5); and intracranial structures visible on B-mode imaging and Vessel segments less than 5 mm in length (B, n = 21), or larger than 5 mm in length (C, n = 28) visible on TCCD. The effect of the echocontrast enhancement was assessed with respect to signal enhancement, imaging quality, and diagnostic confidence. In 49 out of 54 patients (91%), a significant improvement of the imaging quality was noted, enabling 43 (80%) neurovascular diagnoses of sufficient diagnostic confidence. The diagnostic ECA effect was strongly dependent on the precontrast imaging quality: upon echoenhancement, a satisfactory image quality was obtained in none of the patientsof category A, as opposed to 16 (76%) and 27 (96%) patients of categories B and C, respectively. in summary, in 80% of our consecutive patient serieswith insufficient transtemporal bone window, application of ECA allowed for a conclusive TCCD study. Properties of the transtemporal precontrast scans are strongly predictive of the diagnostic benefit and should be taken into the decisive consideration.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/21 alle ore 04:05:56