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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02141932
Other study ID # LH_Card2014-1
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 2014
Est. completion date December 2015

Study information

Verified date November 2021
Source Helse Nord-Trøndelag HF
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Among patients admitted with cerebral ischemia (stroke and transitory ischemic attack (TIA)) it is important to reveal the underlying cause of the disease. In special it is important to reveal if carotid artery stenosis is present as such a finding will directly influence on treatment and follow-up. For the diagnosis of carotid artery stenosis due to atherosclerosis ultrasound examinations is the cornerstone, but computer tomography and magnetic resonance imaging may be better in some cases. Development of high quality pocket-sized ultrasound scanners has allowed for semi quantitatively bed-side assessment of the carotid arteries and the heart. The investigators aim to study the feasibility and reliability of bed-side assessment of the carotid arteries and the heart by pocket-sized ultrasound scanners and the clinical influence of this examination when performed by experienced users. The investigators hypothesize that a significant proportion of this patient population can be clarified bed-side with no need of further imaging procedures for the assessment of the carotid arteries and the heart.


Description:

Population: Approximately 100 patients admitted to the Department of Medicine, Levanger Hospital with history and findings suspicious of stroke/transitory ischemic attack (TIA). Informed consent mandatory. No exclusion criteria. Hypotheses: The carotid arteries and the heart can be assessed bed-side by pocket-size ultrasound scanners with high feasibility and reliability. Bed-side assessment of the carotid arteries and the heart by pocket-size ultrasound scanners may reduce the need for more advanced (higher cost) imaging procedures. Methods: Pocket-size imaging device from GE Ultrasound, commercial available. Approved for clinical use. High-end echocardiography and carotid Doppler ultrasound by high-end equipment (GE Vivid 9) and computer tomography and magnetic resonance imaging at the Department of Radiology, Levanger Hospital.


Recruitment information / eligibility

Status Completed
Enrollment 80
Est. completion date December 2015
Est. primary completion date December 2015
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Admitted to the Department of Medicine with history and findings suspicious of (transient) cerebrovascular ischemia and willing and able to give their informed written consent Exclusion Criteria: - None

Study Design


Intervention

Procedure:
Bed-side pocket size ultrasound imaging

Device:
GE Ultrasound Vscan


Locations

Country Name City State
Norway Levanger Hospital Levanger

Sponsors (2)

Lead Sponsor Collaborator
Helse Nord-Trøndelag HF Norwegian University of Science and Technology

Country where clinical trial is conducted

Norway, 

References & Publications (5)

Goldstein LB, Bushnell CD, Adams RJ, Appel LJ, Braun LT, Chaturvedi S, Creager MA, Culebras A, Eckel RH, Hart RG, Hinchey JA, Howard VJ, Jauch EC, Levine SR, Meschia JF, Moore WS, Nixon JV, Pearson TA; American Heart Association Stroke Council; Council on Cardiovascular Nursing; Council on Epidemiology and Prevention; Council for High Blood Pressure Research,; Council on Peripheral Vascular Disease, and Interdisciplinary Council on Quality of Care and Outcomes Research. Guidelines for the primary prevention of stroke: a guideline for healthcare professionals from the American Heart Association/American Stroke Association. Stroke. 2011 Feb;42(2):517-84. doi: 10.1161/STR.0b013e3181fcb238. Epub 2010 Dec 2. Erratum in: Stroke. 2011 Feb;42(2):e26. — View Citation

Kernan WN, Ovbiagele B, Black HR, Bravata DM, Chimowitz MI, Ezekowitz MD, Fang MC, Fisher M, Furie KL, Heck DV, Johnston SC, Kasner SE, Kittner SJ, Mitchell PH, Rich MW, Richardson D, Schwamm LH, Wilson JA; American Heart Association Stroke Council, Council on Cardiovascular and Stroke Nursing, Council on Clinical Cardiology, and Council on Peripheral Vascular Disease. Guidelines for the prevention of stroke in patients with stroke and transient ischemic attack: a guideline for healthcare professionals from the American Heart Association/American Stroke Association. Stroke. 2014 Jul;45(7):2160-236. doi: 10.1161/STR.0000000000000024. Epub 2014 May 1. Erratum in: Stroke. 2015 Feb;46(2):e54. — View Citation

Mjolstad OC, Dalen H, Graven T, Kleinau JO, Salvesen O, Haugen BO. Routinely adding ultrasound examinations by pocket-sized ultrasound devices improves inpatient diagnostics in a medical department. Eur J Intern Med. 2012 Mar;23(2):185-91. doi: 10.1016/j.ejim.2011.10.009. Epub 2011 Nov 9. — View Citation

Pepi M, Evangelista A, Nihoyannopoulos P, Flachskampf FA, Athanassopoulos G, Colonna P, Habib G, Ringelstein EB, Sicari R, Zamorano JL, Sitges M, Caso P; European Association of Echocardiography. Recommendations for echocardiography use in the diagnosis and management of cardiac sources of embolism: European Association of Echocardiography (EAE) (a registered branch of the ESC). Eur J Echocardiogr. 2010 Jul;11(6):461-76. doi: 10.1093/ejechocard/jeq045. Review. — View Citation

Skjetne K, Graven T, Haugen BO, Salvesen Ø, Kleinau JO, Dalen H. Diagnostic influence of cardiovascular screening by pocket-size ultrasound in a cardiac unit. Eur J Echocardiogr. 2011 Oct;12(10):737-43. doi: 10.1093/ejechocard/jer111. Epub 2011 Aug 4. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Clinical influence of bed-side ultrasound examinations of the carotid arteries and the heart in patients admitted with symptoms of stroke In addition to what described in the primary measure it will be of interest to study predictors of clinical influence of different patient characteristics as age, sex, history, anatomic localization of the vascular event, medication, heart rhythms, ECG findings).
Furthermore, the influence on the total cost will be studied.
The participants will be followed for the duration of hospital stay, an expected average of approximately 4 days
Primary Proportion of patients without need for further diagnostic imaging Proportion of patients which is not in need of further imaging procedures of the carotid arteries and the heart after bed-side diagnostic ultrasound by pocket-sized scanner The participants will be followed for the duration of hospital stay, an expected average of approximately 4 days
Secondary Reliability of bed-side ultrasound examinations of the carotid arteries and the heart by pocket-sized scanners The accuracy of semi quantitatively classifications (like i.e. non-significant atherosclerosis of the carotid arteries vs significant stenosis of the carotid arteries, as well as semi quantitatively classification of left ventricular regional and global function, valvular function, intra atrial septum morphology) of bed-side ultrasound examinations of the carotid arteries and the heart by pocket-sized scanners compared with reference methods The participants will be followed for the duration of hospital stay, an expected average of approximately 4 days
Secondary Feasibility of bed-side ultrasound examinations of the carotid arteries and the heart by pocket-sized scanners Feasibility of bed-side ultrasound examinations of the carotid arteries and the heart by pocket-sized scanners compared with reference imaging methods. Feasibility includes both to what extent the specific structure can be completely assessed, and to what degree the recordings can be interpreted by the operator.
Structures and specific functions to be tested: carotid arteries with respect to degree of atherosclerosis and stenosis, left ventricular regional and global function, valvular (in special mitral and aortic valve) morphology and function, intra atrial septum morphology with respect to shunts, great vessels with respect to atherosclerosis. The common path for relevant cardiac structures and functions to test is the relation to formation of thrombus.
The participants will be followed for the duration of hospital stay, an expected average of approximately 4 days
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