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Blood pressure-lowering effect of carotid artery stenting in patients with symptomatic carotid artery stenosis

  • Clinical Article - Vascular
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Abstract

Background

In patients with symptomatic carotid artery stenosis, long-term effects of carotid artery stenting (CAS) on blood pressure (BP) changes have not been documented well. We evaluated the effects of CAS on BP and found out its predisposing factors in patients with symptomatic carotid artery stenosis.

Methods

Between January 2003 and June 2012, a total of 107 patients were recruited, and all subjects met the following inclusion criteria: (1) patients underwent CAS with symptomatic carotid artery stenosis > 50 %; (2) patients had clinical and radiographic data for at least 1 year of follow-up after CAS; and (3) patients had BP measurements at four different time points: pretreatment, post-treatment, 1-month follow-up, and 1-year follow-up. We evaluated the significance of the BP changes between the pretreatment BP and follow-up BPs, and determined its predisposing factors.

Results

Compared to the mean systolic/diastolic BP value (141.0/87.4 mmHg) at the pretreatment BP, the follow-up BPs were significantly decreased after CAS (120.5/74.5, 126.2/76.9, and 129.2/79.0 mmHg at the post-treatment, the 1-month follow-up, and the 1-year follow-up, respectively [p < 0.01]). The location of the stenosis (odds ratio = 1.856, 95 % confidence interval, 1.388 to 5.589; p = 0.003) and hypertension (odds ratio = 1.627, 95 % confidence interval, 1.101 to 3.757; p = 0.014) were independent predisposing factors for BP-lowering effects of CAS on multivariate analysis.

Conclusions

For patients with symptomatic carotid artery stenosis, CAS might have a BP-lowering effect at the 1-year follow-up, especially in patients with hypertension or the stenosis at body lesions.

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Authors and Affiliations

  1. Department of Neurosurgery, Gangnam Severance Hospital, Yonsei University College of Medicine, 211, Eonjuro, Gangnam-gu, Seoul,, 135-720, Republic of Korea

    Joonho Chung, Yong Bae Kim, Chang-Ki Hong & Jin-Yang Joo

  2. Department of Radiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea

    Sang Hyun Suh

  3. Department of Cardiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea

    Eui-Young Choi

  4. Department of Social and Preventive Medicine, Inha University School of Medicine, Incheon, Republic of Korea

    Hun Jae Lee

  5. Department of Neurosurgery, Ajou University School of Medicine, Suwon, Republic of Korea

    Yong Cheol Lim

  6. Department of Neurosurgery, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of Korea

    Yong Sam Shin

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  1. Joonho Chung
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  2. Yong Bae Kim
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  3. Chang-Ki Hong
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  6. Hun Jae Lee
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  7. Yong Cheol Lim
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  8. Yong Sam Shin
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  9. Jin-Yang Joo
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Correspondence to Jin-Yang Joo.

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Chung, J., Kim, Y.B., Hong, CK. et al. Blood pressure-lowering effect of carotid artery stenting in patients with symptomatic carotid artery stenosis. Acta Neurochir 156, 69–75 (2014). https://doi.org/10.1007/s00701-013-1928-1

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  • DOI: https://doi.org/10.1007/s00701-013-1928-1

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