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Orthostatic blood pressure response, carotid intima-media thickness, and plasma fibrinogen in older nondiabetic adults.

Fedorowski, Artur LU orcid ; Östling, Gerd LU ; Persson, Margaretha LU orcid ; Struck, Joachim ; Engström, Gunnar LU ; Nilsson, Peter LU ; Hedblad, Bo LU and Melander, Olle LU orcid (2012) In Journal of Hypertension 30(3). p.522-529
Abstract
OBJECTIVE:: Although recent studies have indicated that both orthostatic hypotension and orthostatic hypertension (OHTN) independently predict cardiovascular events, the underlying mechanisms are still debatable. METHODS:: A total of 700 nondiabetic adults (43% men, age 64 years) were examined by orthostatic blood pressure (BP) test, carotid artery ultrasonography, and biochemical tests including plasma fibrinogen and lipid profile. Multivariate-adjusted logistic regression was applied to assess association of intima-media thickness (IMT) and P-fibrinogen with orthostatic hypotension and OHTN. In addition, distribution of IMT and P-fibrinogen across quintiles of orthostatic systolic BP (SBP) response was analyzed. RESULTS:: Orthostatic... (More)
OBJECTIVE:: Although recent studies have indicated that both orthostatic hypotension and orthostatic hypertension (OHTN) independently predict cardiovascular events, the underlying mechanisms are still debatable. METHODS:: A total of 700 nondiabetic adults (43% men, age 64 years) were examined by orthostatic blood pressure (BP) test, carotid artery ultrasonography, and biochemical tests including plasma fibrinogen and lipid profile. Multivariate-adjusted logistic regression was applied to assess association of intima-media thickness (IMT) and P-fibrinogen with orthostatic hypotension and OHTN. In addition, distribution of IMT and P-fibrinogen across quintiles of orthostatic systolic BP (SBP) response was analyzed. RESULTS:: Orthostatic hypotension and OHTN were found in 40 (5.7%) and 45 (6.4%) study participants, respectively. Both IMT [odds ratio (OR), 95% confidence interval (CI) per one-SD increment: 1.27, 1.01-1.60; P = 0.04] and P-fibrinogen (OR 1.44, 1.07-1.93; P = 0.02) were associated with orthostatic hypotension in a crude model. After adjustment relationship between orthostatic hypotension and IMT was slightly attenuated (OR 1.26, 0.96-1.65; P = 0.09) but was substantially unchanged in regard to P-fibrinogen (OR 1.45, 1.06-1.99; P = 0.02). In contrast, OHTN showed no association with either IMT or P-fibrinogen (adjusted OR 1.09, 0.78-1.52; P = 0.61, and 0.97, 0.70-1.34; P = 0.84, respectively). Distribution of IMT across quintiles of orthostatic SBP response was U-shaped, whereas that of fibrinogen was more linear but none of borderline quintiles (with pronounced hypertensive or hypotensive response) significantly differed from the middle quintiles in a fully adjusted model. CONCLUSION:: In older nondiabetic adults only orthostatic hypotension seems to independently correlate with increased carotid atherosclerosis and systemic inflammation. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Hypertension
volume
30
issue
3
pages
522 - 529
publisher
Lippincott Williams & Wilkins
external identifiers
  • wos:000300412400016
  • pmid:22241141
  • scopus:84857059357
ISSN
1473-5598
DOI
10.1097/HJH.0b013e32834fa860
language
English
LU publication?
yes
id
b65be20e-8132-42af-bf6f-468172f4d714 (old id 2336444)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/22241141?dopt=Abstract
date added to LUP
2016-04-04 09:14:47
date last changed
2024-01-12 10:56:43
@article{b65be20e-8132-42af-bf6f-468172f4d714,
  abstract     = {{OBJECTIVE:: Although recent studies have indicated that both orthostatic hypotension and orthostatic hypertension (OHTN) independently predict cardiovascular events, the underlying mechanisms are still debatable. METHODS:: A total of 700 nondiabetic adults (43% men, age 64 years) were examined by orthostatic blood pressure (BP) test, carotid artery ultrasonography, and biochemical tests including plasma fibrinogen and lipid profile. Multivariate-adjusted logistic regression was applied to assess association of intima-media thickness (IMT) and P-fibrinogen with orthostatic hypotension and OHTN. In addition, distribution of IMT and P-fibrinogen across quintiles of orthostatic systolic BP (SBP) response was analyzed. RESULTS:: Orthostatic hypotension and OHTN were found in 40 (5.7%) and 45 (6.4%) study participants, respectively. Both IMT [odds ratio (OR), 95% confidence interval (CI) per one-SD increment: 1.27, 1.01-1.60; P = 0.04] and P-fibrinogen (OR 1.44, 1.07-1.93; P = 0.02) were associated with orthostatic hypotension in a crude model. After adjustment relationship between orthostatic hypotension and IMT was slightly attenuated (OR 1.26, 0.96-1.65; P = 0.09) but was substantially unchanged in regard to P-fibrinogen (OR 1.45, 1.06-1.99; P = 0.02). In contrast, OHTN showed no association with either IMT or P-fibrinogen (adjusted OR 1.09, 0.78-1.52; P = 0.61, and 0.97, 0.70-1.34; P = 0.84, respectively). Distribution of IMT across quintiles of orthostatic SBP response was U-shaped, whereas that of fibrinogen was more linear but none of borderline quintiles (with pronounced hypertensive or hypotensive response) significantly differed from the middle quintiles in a fully adjusted model. CONCLUSION:: In older nondiabetic adults only orthostatic hypotension seems to independently correlate with increased carotid atherosclerosis and systemic inflammation.}},
  author       = {{Fedorowski, Artur and Östling, Gerd and Persson, Margaretha and Struck, Joachim and Engström, Gunnar and Nilsson, Peter and Hedblad, Bo and Melander, Olle}},
  issn         = {{1473-5598}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{522--529}},
  publisher    = {{Lippincott Williams & Wilkins}},
  series       = {{Journal of Hypertension}},
  title        = {{Orthostatic blood pressure response, carotid intima-media thickness, and plasma fibrinogen in older nondiabetic adults.}},
  url          = {{http://dx.doi.org/10.1097/HJH.0b013e32834fa860}},
  doi          = {{10.1097/HJH.0b013e32834fa860}},
  volume       = {{30}},
  year         = {{2012}},
}