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Cohort study ON Neuroimaging, Etiology and Cognitive consequences of Transient neurological attacks (CONNECT): study rationale and protocol

Overview of attention for article published in BMC Neurology, March 2015
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Title
Cohort study ON Neuroimaging, Etiology and Cognitive consequences of Transient neurological attacks (CONNECT): study rationale and protocol
Published in
BMC Neurology, March 2015
DOI 10.1186/s12883-015-0295-3
Pubmed ID
Authors

Frank G van Rooij, Anil M Tuladhar, Roy PC Kessels, Sarah E Vermeer, Bozena M Góraj, Peter J Koudstaal, David G Norris, Frank-Erik de Leeuw, Ewoud J van Dijk

Abstract

Transient ischemic attacks (TIA) are characterized by acute onset focal neurological symptoms and complete recovery within 24 hours. Attacks of nonfocal symptoms not fulfilling the criteria for TIA but lacking a clear alternative diagnosis are called transient neurological attacks (TNA). Although TIA symptoms are transient in nature, cognitive complaints may persist. In particular, attacks consisting of both focal and nonfocal symptoms (mixed TNA) have been found to be associated with an increased risk of dementia. We aim to study the prevalence, etiology and risk factors of cognitive impairment after TIA or TNA. CONNECT is a prospective cohort study on cognitive function after TIA and TNA. In total, 150 patients aged ≥45 years with a recent (<7 days after onset) TIA or TNA and no history of stroke or dementia will be included. We will classify events as: TIA, nonfocal TNA, or mixed TNA. Known short lasting paroxysmal neurological disorders like migraine aura, seizures and Ménière disease are excluded from the diagnosis of TNA. Patients will complete a comprehensive neuropsychological assessment and undergo MRI <7 days after the qualifying event and again after six months. The primary clinical outcomes will be cognitive function at baseline and six months after the primary event. Imaging outcomes include the prevalence and evolution of DWI lesions, white matter hyperintensities and lacunes, as well as resting state networks functionality and white matter microstructural integrity. Differences between types of event and DWI, as well as determinants of both clinical and imaging outcomes, will be assessed. CONNECT can provide insight in the prevalence, etiology and risk factors of cognitive impairment after TIA and TNA and thereby potentially identify a new group of patients at increased risk of cognitive impairment.

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Mendeley readers

Mendeley readers

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Geographical breakdown

Country Count As %
Ethiopia 1 1%
Germany 1 1%
Unknown 81 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 13 16%
Student > Ph. D. Student 11 13%
Student > Bachelor 11 13%
Researcher 8 10%
Student > Doctoral Student 7 8%
Other 15 18%
Unknown 18 22%
Readers by discipline Count As %
Medicine and Dentistry 23 28%
Psychology 15 18%
Neuroscience 7 8%
Nursing and Health Professions 3 4%
Agricultural and Biological Sciences 2 2%
Other 10 12%
Unknown 23 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 April 2015.
All research outputs
#18,405,972
of 22,799,071 outputs
Outputs from BMC Neurology
#1,889
of 2,434 outputs
Outputs of similar age
#191,070
of 261,547 outputs
Outputs of similar age from BMC Neurology
#39
of 45 outputs
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