Vascular Disease--Structure/Function
Panoramica dello studio
Stato
Descrizione dettagliata
BACKGROUND:
This study meshed with a longitudinal case-control study, HL-35333, Carotid Atherosclerosis Follow-Up Study. HL-35333 comprised 280 individuals older than 45 equally divided between men and women, half with and half without CAD evaluated for risk factors at baseline and with completed follow-up with yearly B-mode for three years. The Carotid Atherosclerosis Follow-Up Study quantified the interassociations of angiographically defined coronary artery disease and CAD risk factors with progression. The NIH funded a continuation of this effort to review existing ultrasound tapes from this study in order to additionally evaluate the associations of all these factors with extracranial carotid arterial dimensions (ECAD: interadventitial and lumen diameters) and change in ECAD over time.
DESIGN NARRATIVE:
The study assessed brachial artery reactivity among 100 CAD subjects and 100 controls who had been previously enrolled in a study of the relationship between extracranial intima media thickness (ECIMT) as assessed by B mode ultrasonographic measurements and CAD status. Most subjects had three consecutive B mode measurements at 12 month intervals. These subjects had brachial artery reactivity measurements according to a standardized protocol. Linear regression analysis was used to relate brachial artery reactivity to CAD status, gender and risk factors as predictors. Interaction effects were also assessed between CAD status and other risk factors and also between gender and other risk factors. Similar analyses were performed to relate percent dilation to ECIMT measurements.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Tipo di studio
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Piano di studio
Come è strutturato lo studio?
Collaboratori e investigatori
Investigatori
- John Crouse, III, Wake Forest University
Pubblicazioni e link utili
Pubblicazioni generali
- Espeland MA, Tang R, Terry JG, Davis DH, Mercuri M, Crouse JR 3rd. Associations of risk factors with segment-specific intimal-medial thickness of the extracranial carotid artery. Stroke. 1999 May;30(5):1047-55. doi: 10.1161/01.str.30.5.1047.
- Herrington DM, Fan L, Drum M, Riley WA, Pusser BE, Crouse JR, Burke GL, McBurnie MA, Morgan TM, Espeland MA. Brachial flow-mediated vasodilator responses in population-based research: methods, reproducibility and effects of age, gender and baseline diameter. J Cardiovasc Risk. 2001 Oct;8(5):319-28. doi: 10.1177/174182670100800512.
- Terry JG, Tang R, Espeland MA, Davis DH, Vieira JL, Mercuri MF, Crouse JR 3rd. Carotid arterial structure in patients with documented coronary artery disease and disease-free control subjects. Circulation. 2003 Mar 4;107(8):1146-51. doi: 10.1161/01.cir.0000051461.92839.f7.
Studiare le date dei record
Studia le date principali
Inizio studio
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 5024
- R01HL059503 (Sovvenzione/contratto NIH degli Stati Uniti)
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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