{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T16:17:06Z","timestamp":1793031426606,"version":"4.5.0"},"reference-count":28,"publisher":"American Physiological Society","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Heart and Circulatory Physiology"],"published-print":{"date-parts":[[2006,7]]},"abstract":"<jats:p>There has been little interest in the longitudinal movement of the arterial wall. It has been assumed that this movement is negligible compared with the diameter change. Using a new high-resolution noninvasive ultrasonic method, we measured longitudinal movements and diameter change of the common carotid artery of 10 healthy humans. During the cardiac cycle, a distinct bidirectional longitudinal movement of the intima-media complex could be observed in all the subjects. An antegrade longitudinal movement, i.e., in the direction of blood flow, in early systole [0.39 mm (SD 0.26)] was followed by a retrograde longitudinal movement, i.e., in the direction opposite blood flow [\u22120.52 mm (SD 0.27)], later in systole and a second antegrade longitudinal movement [0.41 mm (SD 0.33)] in diastole. The corresponding diameter change was 0.65 mm (SD 0.19). The adventitial region showed the same basic pattern of longitudinal movement; however, the magnitude of the movements was smaller than that of the intima-media complex, thereby introducing shear strain and, thus, shear stress within the wall [maximum shear strain between the intima-media complex and the adventitial region was 0.36 rad (SD 0.26). These phenomena have not previously been described. Measurements were also performed on the abdominal aorta ( n = 3) and brachial ( n = 3) and popliteal ( n = 3) arteries. Our new information seems to be of fundamental importance for further study and evaluation of vascular biology and hemodynamics and, thus, for study of atherosclerosis and vascular diseases.<\/jats:p>","DOI":"10.1152\/ajpheart.00988.2005","type":"journal-article","created":{"date-parts":[[2006,2,10]],"date-time":"2006-02-10T20:34:18Z","timestamp":1139603658000},"page":"H394-H402","source":"Crossref","is-referenced-by-count":195,"title":["Longitudinal movements and resulting shear strain of the arterial wall"],"prefix":"10.1152","volume":"291","author":[{"given":"Magnus","family":"Cinthio","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00c5sa Ryd\u00e9n","family":"Ahlgren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonas","family":"Bergkvist","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomas","family":"Jansson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans W.","family":"Persson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kjell","family":"Lindstr\u00f6m","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"24","reference":[{"key":"R1","doi-asserted-by":"publisher","DOI":"10.1016\/0741-5214(87)90148-0"},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM198401193100307"},{"key":"R3","doi-asserted-by":"publisher","DOI":"10.1161\/01.ATV.13.1.70"},{"key":"R4","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.99.18.2434"},{"key":"R5","doi-asserted-by":"publisher","DOI":"10.1016\/S0301-5629(94)00111-1"},{"key":"R6","unstructured":"Cinthio M\n                      , Jansson T, Eriksson A, Persson HW, and Lindstr\u00f6m K.\n                      A robust and fast algorithm for automatic arterial lumen diameter measurement with ultrasound. 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