{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:04:17Z","timestamp":1790813057991,"version":"4.1.0"},"reference-count":69,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T00:00:00Z","timestamp":1719187200000},"content-version":"vor","delay-in-days":23,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Brain and Behavior"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To assess changes in neurovascular coupling (NVC) by evaluating the relationship between cerebral perfusion and brain connectivity in patients with end\u2010stage renal disease (ESRD) undergoing hemodialysis versus in healthy control participants. And by exploring brain regions with abnormal NVC associated with cognitive deficits in patients, we aim to provide new insights into potential preventive and therapeutic interventions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>\n                      A total of 45 patients and 40 matched healthy controls were prospectively enrolled in our study. Montreal Cognitive Assessment (MoCA) was used to assess cognitive function. Arterial spin labeling (ASL) was used to calculate cerebral blood flow (CBF), and graph theory\u2013based analysis of results from resting\u2010state functional magnetic resonance imaging (rs\u2010fMRI) was used to calculate brain network topological parameters (node betweenness centrality [BC], node efficiency [Ne], and node degree centrality [DC]). Three NVC biomarkers (CBF\u2010BC, CBF\u2010Ne, and CBF\u2010DC coefficients) at the whole brain level and 3 NVC biomarkers (CBF\/BC, CBF\/Ne, and CBF\/DC ratios) at the local brain region level were used to assess NVC. Mann\u2013Whitney\n                      <jats:italic>U<\/jats:italic>\n                      tests were used to compare the intergroup differences in NVC parameters. Spearman's correlation analysis was used to evaluate the relationship among NVC dysfunctional pattern, cognitive impairment, and clinical characteristics multiple comparisons were corrected using a voxel\u2010wise false\u2010discovery rate (FDR) method (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Patients showed significantly reduced global coupling coefficients for CBF\u2010Ne (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a0.023) and CBF\u2010BC (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a0.035) compared to healthy controls. Coupling ratios at the local brain region level were significantly higher in patients in 33 brain regions (all\n                      <jats:italic>p<\/jats:italic>\n                      values\u00a0&lt;\u00a0.05). Coupling ratio changes alone or accompanied by changes in CBF, node properties, or both CBF and node properties were identified. In patients, negative correlations were seen between coupling ratios and MoCA scores in many brain regions, including the left dorsolateral superior frontal gyrus, the bilateral median cingulate and paracingulate gyri, and the right superior parietal gyrus. The correlations remained even after adjusting for hemoglobin and hematocrit levels.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Disrupted NVC may be one mechanism underlying cognitive impairment in dialysis patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/brb3.3598","type":"journal-article","created":{"date-parts":[[2024,6,25]],"date-time":"2024-06-25T00:15:27Z","timestamp":1719274527000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Multiparameter neuroimaging study of neurovascular coupling changes in patients with end\u2010stage renal disease"],"prefix":"10.1002","volume":"14","author":[{"given":"Wei","family":"Sun","sequence":"first","affiliation":[{"name":"Department of Radiology The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical University Changzhou China"},{"name":"Graduate College, Dalian Medical University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Li","sequence":"additional","affiliation":[{"name":"Graduate College, Dalian Medical University  Dalian China"},{"name":"Department of Nephrology The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical University  Changzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhuqing","family":"Jiao","sequence":"additional","affiliation":[{"name":"School of Computer Science and Artificial Intelligence Changzhou University  Changzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tongqiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Nephrology The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical University  Changzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-3156-9330","authenticated-orcid":false,"given":"Haifeng","family":"Shi","sequence":"additional","affiliation":[{"name":"Department of Radiology The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical University Changzhou 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