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Poor blood pressure control in adults with repaired coarctation of the aorta and hypertension: a register-based study of associated factors
Umeå University, Sweden.
University of Gothenburg, Sweden.
Lund University, Sweden.
Karolinska Institute, Sweden.
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2017 (English)In: Cardiology in the Young, ISSN 1047-9511, E-ISSN 1467-1107, Vol. 27, no 9, 1708-1715 p.Article in journal (Refereed) Published
Abstract [en]

Background: Arterial hypertension is common in adults with repaired coarctation of the aorta, and is associated with several severe complications. Aims: This study aimed to investigate the prevalence of poorly controlled (amp;gt;= 140/90 mmHg) blood pressure among patients with diagnosed hypertension and to identify associated factors. Methods: In the national register for CHD, adults with repaired coarctation of the aorta and diagnosed hypertension - defined as a registry diagnosis and/or use of anti-hypertensive prescription medication - were identified. Logistic regression analysis was used to identify variables associated with poorly controlled blood pressure. Results: Of the 243 included patients, 27.2% were female, the mean age was 45.4 +/- 15.3 years, and 52.3% had poorly controlled blood pressure at the last registration. In a multivariable model, age (years) (OR 1.03, CI 1.01-1.06, p = 0.008) was independently associated with poorly controlled blood pressure and so was systolic arm-leg blood pressure gradient in the ranges [10, 20] mmHg (OR 4.92, CI 1.76-13.79, p = 0.002) to amp;gt;20 mmHg (OR 9.93, CI 2.99-33.02, p amp;lt; 0.001), in comparison with the reference interval [0, 10] mmHg. Patients with poorly controlled blood pressure had, on average, more types of anti-hypertensive medication classes prescribed (1.9 versus 1.5, p = 0.003). Conclusions: Poorly controlled blood pressure is common among patients with repaired coarctation of the aorta and diagnosed hypertension, despite what seems to be more intensive treatment. A systolic arm-leg blood pressure gradient is associated with poorly controlled blood pressure, even at low levels usually not considered for intervention, and may be an indicator of hypertension that is difficult to treat.

Place, publisher, year, edition, pages
CAMBRIDGE UNIV PRESS , 2017. Vol. 27, no 9, 1708-1715 p.
Keyword [en]
Coarctation of the aorta; hypertension; adult CHD; register
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:liu:diva-142136DOI: 10.1017/S1047951117001020ISI: 000412664000009PubMedID: 28703088OAI: oai:DiVA.org:liu-142136DiVA: diva2:1151718
Note

Funding Agencies|Swedish Heart and Lung Foundation; Heart Foundation of Northern Sweden; Umea University; County Council of Vasterbotten

Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2017-10-24

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Nielsen, Niels Erik
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Division of Cardiovascular MedicineFaculty of Health SciencesDepartment of Cardiology in Linköping
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