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For: Zheng XN, Zhu XC, Xu QF, Huang YN, Liu Y. TCD study of hemodynamic changes in PCA response to photic stimulation. J Zhejiang Univ Sci 2003;4:228-231. [PMID: 12659239 DOI: 10.1631/jzus.2003.0228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]

For:	Zheng XN, Zhu XC, Xu QF, Huang YN, Liu Y. TCD study of hemodynamic changes in PCA response to photic stimulation. J Zhejiang Univ Sci 2003;4:228-231. [PMID: 12659239 DOI: 10.1631/jzus.2003.0228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]

Number

Cited by Other Article(s)

Zhong J, Li G, Lv Z, Chen J, Wang C, Shao A, Gong Z, Wang J, Liu S, Luo J, Yang S, Wu S, Ning L, Wang Z, Li J, Wu Y. Neuromodulation of Cerebral Blood Flow: A Physiological Mechanism and Methodological Review of Neurovascular Coupling. Bioengineering (Basel) 2025;12:442. [PMID: 40428061 PMCID: PMC12108752 DOI: 10.3390/bioengineering12050442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2025] [Revised: 04/20/2025] [Accepted: 04/21/2025] [Indexed: 05/29/2025] Open

Affiliation(s)

Jiawen Zhong School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Gen Li School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Zexiang Lv School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Jingbo Chen Faculty of Naval Medicine, Naval Medical University, Shanghai 200433, China;
Chunyan Wang School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Ansheng Shao School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Zhiwei Gong School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Junjie Wang School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Siqiao Liu School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Jun Luo School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Shuping Yang School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Sibei Wu School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Lin Ning School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Zhinong Wang School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Jiahao Li School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)
Yu Wu School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China; (J.Z.); (Z.L.); (A.S.); (Z.G.); (J.W.); (S.L.); (J.L.); (S.Y.); (S.W.); (L.N.); (Z.W.); (J.L.)

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Flück D, Beaudin AE, Steinback CD, Kumarpillai G, Shobha N, McCreary CR, Peca S, Smith EE, Poulin MJ. Effects of aging on the association between cerebrovascular responses to visual stimulation, hypercapnia and arterial stiffness. Front Physiol 2014;5:49. [PMID: 24600398 PMCID: PMC3928624 DOI: 10.3389/fphys.2014.00049] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 01/26/2014] [Indexed: 02/04/2023] Open

Abstract

Aging is associated with decreased vascular compliance and diminished neurovascular- and hypercapnia-evoked cerebral blood flow (CBF) responses. However, the interplay between arterial stiffness and reduced CBF responses is poorly understood. It was hypothesized that increased cerebral arterial stiffness is associated with reduced evoked responses to both, a flashing checkerboard visual stimulation (i.e., neurovascular coupling), and hypercapnia. To test this hypothesis, 20 older (64 ± 8 year; mean ± SD) and 10 young (30 ± 5 year) subjects underwent a visual stimulation (VS) and a hypercapnic test. Blood velocity through the posterior (PCA) and middle cerebral (MCA) arteries was measured concurrently using transcranial Doppler ultrasound (TCD). Cerebral and systemic vascular stiffness were calculated from the cerebral blood velocity and systemic blood pressure waveforms, respectively. Cerebrovascular (MCA: young = 76 ± 15%, older = 98 ± 19%, p = 0.004; PCA: young = 80 ± 16%, older = 106 ± 17%, p < 0.001) and systemic (young = 59 ± 9% and older = 80 ± 9%, p < 0.001) augmentation indices (AI) were higher in the older group. CBF responses to VS (PCA: p < 0.026) and hypercapnia (PCA: p = 0.018; MCA: p = 0.042) were lower in the older group. A curvilinear model fitted to cerebral AI and age showed AI increases until ~60 years of age, after which the increase levels off (PCA: R (2) = 0.45, p < 0.001; MCA: R (2) = 0.31, p < 0.001). Finally, MCA, but not PCA, hypercapnic reactivity was inversely related to cerebral AI (MCA: R (2) = 0.28, p = 0.002; PCA: R (2) = 0.10, p = 0.104). A similar inverse relationship was not observed with the PCA blood flow response to VS (R (2) = 0.06, p = 0.174). In conclusion, older subjects had reduced neurovascular- and hypercapnia-mediated CBF responses. Furthermore, lower hypercapnia-mediated blood flow responses through the MCA were associated with increased vascular stiffness. These findings suggest the reduced hypercapnia-evoked CBF responses through the MCA, in older individuals may be secondary to vascular stiffening.

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Affiliation(s)

Daniela Flück Department of Biology, Institute of Human Movement Sciences and Sport, ETH Zurich Zurich, Switzerland ; Department of Physiology and Pharmacology, Faculty of Medicine, University of Calgary Calgary, AB, Canada
Andrew E Beaudin Department of Physiology and Pharmacology, Faculty of Medicine, University of Calgary Calgary, AB, Canada
Craig D Steinback Department of Physiology and Pharmacology, Faculty of Medicine, University of Calgary Calgary, AB, Canada
Gopukumar Kumarpillai Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary Calgary, AB, Canada
Nandavar Shobha Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary Calgary, AB, Canada
Cheryl R McCreary Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Hotchkiss Brain Institute, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Department of Radiology, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Seaman Family MR Research Centre, Foothills Medical Centre, Alberta Health Services Calgary, AB, Canada
Stefano Peca Seaman Family MR Research Centre, Foothills Medical Centre, Alberta Health Services Calgary, AB, Canada
Eric E Smith Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Hotchkiss Brain Institute, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Seaman Family MR Research Centre, Foothills Medical Centre, Alberta Health Services Calgary, AB, Canada
Marc J Poulin Department of Physiology and Pharmacology, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Hotchkiss Brain Institute, Faculty of Medicine, University of Calgary Calgary, AB, Canada ; Faculty of Kinesiology, University of Calgary Calgary, AB, Canada ; The Libin Cardiovascular Institute of Alberta, Faculty of Medicine, University of Calgary Calgary, AB, Canada

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Bedeković MR, Lovrenčić-Huzjan A, Puretić MB, Demarin V. Prolonged mean reaction time in posterior cerebral artery during visual stimulation in patients with severe carotid stenosis. Clin Physiol Funct Imaging 2011;31:282-7. [PMID: 21672135 DOI: 10.1111/j.1475-097x.2011.01013.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]