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Time-cumulated blood pressure exposure and incident impairment of glucose tolerance and diabetes mellitus

Wu, Yun T. ; Song, Lu ; Liu, Xiao X. ; Gao, Jing S. ; Zheng, Xiao M. ; Ruan, Chun Y. ; Zhao, Hai Y. ; Chen, Shuo H. ; Gao, Wen Y. ; Jonas, Jost B. ; Wu, Shou L.

In: BMC Cardiovascular Disorders, 17 (2017), Nr. 106. pp. 1-10. ISSN 1471-2261

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Download (661kB) | Lizenz: Creative Commons LizenzvertragTime-cumulated blood pressure exposure and incident impairment of glucose tolerance and diabetes mellitus by Wu, Yun T. ; Song, Lu ; Liu, Xiao X. ; Gao, Jing S. ; Zheng, Xiao M. ; Ruan, Chun Y. ; Zhao, Hai Y. ; Chen, Shuo H. ; Gao, Wen Y. ; Jonas, Jost B. ; Wu, Shou L. underlies the terms of Creative Commons Attribution 3.0 Germany

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Abstract

Background: With the marked increase in the prevalence of diabetes mellitus, it was the purpose of our study to assess a potential association of time-cumulated exposure to systolic (CumSBP) and of diastolic blood pressure (CumDBP) with onset of impaired glucose tolerance and diabetes mellitus. Methods: The prospective investigation included participants of the longitudinal Kailuan Study with three baseline examinations in 2006–2007, 2008–2009 and 2010–2011, re-examination in 2012–2013, and no diabetes mellitus at baseline. Cumulative blood pressure (BP) was calculated as cumBP = [(BP1 + BP2)/2 × time1–2] + [(BP2 + BP3)/2 × time2–3]. Based on cumSBP, the study population was stratified into four groups (cumSBP < 480mmHgxyear;n = 15,339; 480mmHgxyear ≤ cumSBP < 520mmHgxyear;n = 7214; 520mmHgxyears ≤ cumSBP < 560mmHgxyears;n = 5675; and cumSBP ≥ 560mmHgxyears;n = 10,576). Results: After adjusting for demographic, anthropomorphic, biochemical, socioeconomic and lifestyle parameters and as compared with the first group, the second, third and fourth group showed a significantly higher incidence of diabetes (P-trend < 0.001;hazard ratio (HR);95% confidence interval (CI):1.28(1.08,1.51),1.54(1.29,1.84), and 2.33(1.98,2.73), respectively), higher incidence of impairment of glucose tolerance (P-trend < 0.001;HR;95% CI1.17(1.02,1.33), 1.43(1.25,1.64), and 2.09(1.85,2.37), respectively), and higher incidence of diabetes developing out of an impairment of glucose tolerance (P-trend < 0.001;HR;95% CI:1.22(0.97,1.54),1.47(1.16,1.86), and 2.01(1.62,2.50), respectively). An increase in cumSBP by 10 mmHg/year or an increase in cumDBP by 5 mmHg/year was associated with a hazard ratio of incident diabetes of 1.04 (95% CI:1.03,1.04) and 1.02(1.02,1.03), respectively, with a hazard ratio of incident impairment of glucose tolerance of 1.04(95% CI:1.03,1.04) and 1.03(95% CI:1.02,1.03), respectively, and with a hazard ratio of incident diabetes developing from impairment of glucose tolerance of 1.04(95% CI:1.03,1.04) and 1.03(95% CI:1.02,1.03), respectively. Conclusions: Time-cumulated exposure to elevated blood pressure was significantly associated with an elevated incidence of impaired glucose tolerance and diabetes.

Item Type: Article
Journal or Publication Title: BMC Cardiovascular Disorders
Volume: 17
Number: 106
Publisher: BioMed Central
Place of Publication: London
Date Deposited: 09 May 2017 08:54
Date: 2017
ISSN: 1471-2261
Page Range: pp. 1-10
Faculties / Institutes: Medizinische Fakultät Mannheim > Augenklinik
Subjects: 610 Medical sciences Medicine
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