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Health screening behaviors among adults with hereditary hemorrhagic telangiectasia in North America.

ABSTRACT: PURPOSE:This study aimed to identify factors that influence screening behaviors of adults with hereditary hemorrhagic telangiectasia (HHT). METHODS:Participants with a self-reported diagnosis of HHT were recruited from the HHT Foundation International, Inc.; the "HHT Awareness" Facebook group; and six HHT clinics. A cross-sectional mixed methods survey was administered to investigate the relationships among the Health Belief model constructs, the domains of illness representations, and HHT-specific screening behaviors consistent with recommended guidelines. RESULTS:A total of 320 participants reported rates of cerebral arteriovenous malformation (AVM) screenings, pulmonary AVM screenings, and HHT annual checkups that were 82.0, 67.1, and 56.5%, respectively. Logistical regression analysis showed that perceived barriers (? = -0.114, P < 0.001), perceived susceptibility (? = 0.117, P < 0.05), treatment control (? = 0.078, P < 0.05), and emotional representations (? = 0.067, P < 0.05) were significant predictors of HHT screening. Open-ended responses revealed perceived barriers to screening, including a lack of health-care providers (HCPs) familiar with and/or knowledgeable about HHT. CONCLUSION:Our results reveal suboptimal screening rates among adults with HHT and identify several factors influencing these behaviors. We suggest that there is a need for increased provider education regarding HHT as well as approaches that providers can use to improve screening adherence.Genet Med advance online publication 13 October 2016.

SUBMITTER: Baxter M

PROVIDER: S-EPMC5391304 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Health screening behaviors among adults with hereditary hemorrhagic telangiectasia in North America.

Baxter Melanie M Erby Lori L Roter Debra D Bernhardt Barbara A BA Terry Peter P Guttmacher Alan A

Genetics in medicine : official journal of the American College of Medical Genetics 20161013 6

<h4>Purpose</h4>This study aimed to identify factors that influence screening behaviors of adults with hereditary hemorrhagic telangiectasia (HHT).<h4>Methods</h4>Participants with a self-reported diagnosis of HHT were recruited from the HHT Foundation International, Inc.; the "HHT Awareness" Facebook group; and six HHT clinics. A cross-sectional mixed methods survey was administered to investigate the relationships among the Health Belief model constructs, the domains of illness representations ...[more]

PMID: 27735923

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Project description:Background and purposeThe presence of malformations of cortical development in patients with hereditary hemorrhagic telangiectasia has been reported on previous occasions. We evaluated a sample of adults with hereditary hemorrhagic telangiectasia for the presence of malformations of cortical development, spatial coincidence of malformations of cortical development and AVMs, and the coincidence of brain and pulmonary AVMs.Materials and methodsA total of 141 patients 18 years of age or older who were referred to the Augusta University hereditary hemorrhagic telangiectasia clinic and underwent brain MR imaging between January 19, 2018, and December 3, 2020, were identified. MR imaging examinations were reviewed retrospectively by 2 experienced neuroradiologists, and the presence of malformations of cortical development and AVMs was confirmed by consensus. Demographic and clinical information was collected for each case, including age, sex, hereditary hemorrhagic telangiectasia status by the Curacao Criteria, mutation type, presence of malformations of cortical development, presence of brain AVMs, presence of pulmonary AVMs, and a history of seizures or learning disabilities.ResultsFive of 141 (3.5%) patients with hereditary hemorrhagic telangiectasia had malformations of cortical development. Two of the 5 patients with polymicrogyria also had closed-lip schizencephaly. One of the patients had a porencephalic cavity partially lined with heterotopic GM. The incidence of spatially coincident polymicrogyria and brain AVMs was 40% (2/5 cases). Of the patients with hereditary hemorrhagic telangiectasia and malformations of cortical development, 4/5 (80%) had pulmonary AVMs and 2/5 (40%) had brain AVMs.ConclusionsTo our knowledge, we are the first group to report the presence of schizencephaly in patients with hereditary hemorrhagic telangiectasia. The presence of schizencephaly and porencephaly lends support to the hypothesis of regional in utero cerebral hypoxic events as the etiology of malformations of cortical development in hereditary hemorrhagic telangiectasia.

Dataset Information

Health screening behaviors among adults with hereditary hemorrhagic telangiectasia in North America.

Publications

Health screening behaviors among adults with hereditary hemorrhagic telangiectasia in North America.

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