{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T11:31:32Z","timestamp":1790854292028,"version":"4.1.0"},"reference-count":61,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2009,9,1]],"date-time":"2009-09-01T00:00:00Z","timestamp":1251763200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/501100000589","name":"Chief Scientist Office","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000589","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,9,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>Cardiovascular disease is a major cause of morbidity and mortality in patients with chronic obstructive pulmonary disease (COPD), which may in part be attributable to abnormalities of systemic vascular function. It is unclear whether such associations relate to the presence of COPD or prior smoking habit.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To undertake a comprehensive assessment of vascular function in patients with COPD and healthy control subjects matched for smoking history.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Eighteen men with COPD were compared with 17 healthy male control subjects matched for age and lifetime cigarette smoke exposure. Participants were free from clinically evident cardiovascular disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements and Main Results<\/jats:title>\n                    <jats:p>Pulse wave velocity and pulse wave analysis were measured via applanation tonometry at carotid, radial, and femoral arteries. Blood flow was measured in both forearms using venous occlusion plethysmography during intrabrachial infusion of endothelium-dependent vasodilators (bradykinin, 100\u20131,000 pmol\/min; acetylcholine, 5\u201320 \u03bcg\/min) and endothelium-independent vasodilators (sodium nitroprusside, 2\u20138 \u03bcg\/min; verapamil, 10\u2013100 \u03bcg\/min). Tissue plasminogen activator (t-PA) was measured in venous plasma before and during bradykinin infusions. Patients with COPD have greater arterial stiffness (pulse wave velocity, 11 \u00b1 2 vs. 9 \u00b1 2 m\/s; P = 0.003; augmentation index, 27 \u00b1 10 vs. 21 \u00b1 6%; P = 0.028), but there were no differences in endothelium-dependent and -independent vasomotor function or bradykinin-induced endothelial t-PA release (P &amp;gt; 0.05 for all).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>COPD is associated with increased arterial stiffness independent of cigarette smoke exposure. However, this abnormality is not explained by systemic endothelial dysfunction. Increased arterial stiffness may represent the mechanistic link between COPD and the increased risk for cardiovascular disease associated with this condition.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1164\/rccm.200903-0414oc","type":"journal-article","created":{"date-parts":[[2009,6,19]],"date-time":"2009-06-19T22:02:47Z","timestamp":1245448967000},"page":"513-520","source":"Crossref","is-referenced-by-count":133,"title":["Vascular Dysfunction in Chronic Obstructive Pulmonary Disease"],"prefix":"10.1093","volume":"180","author":[{"given":"John D.","family":"Maclay","sequence":"first","affiliation":[{"name":"Centre for Inflammation Research, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David A.","family":"McAllister","sequence":"additional","affiliation":[{"name":"Centre for Inflammation Research, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas L.","family":"Mills","sequence":"additional","affiliation":[{"name":"Centre 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