Michael L. Klyachkin, MD, Sandip Dhara, BS, Gilbert J

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Presentation transcript:

Arterial geometric abnormalities produce two-dimensional compliance disturbances Michael L. Klyachkin, MD, Sandip Dhara, BS, Gilbert J. L'Italien, BS, William M. Abbott, MD Journal of Vascular Surgery Volume 20, Issue 5, Pages 795-802 (November 1994) DOI: 10.1016/S0741-5214(94)70189-X Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 1 Actual photograph from screen (A) and scheme of studied arterial segment motions (B). Points a-a' to d-d' are markers for circumferential motions measurements; points 1 to 6 are markers for longitudinal motions measurements; arrows show displacement of points at systole. Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 2 A, Overall systolic diameters (mean ± SEM). B, Overall diastolic diameters. BP represents blood pressure (mean ± SEM) during measurements. Open circles represent nonstenosed injured group (n = 5); open squares represent stenosed non-injured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 2 A, Overall systolic diameters (mean ± SEM). B, Overall diastolic diameters. BP represents blood pressure (mean ± SEM) during measurements. Open circles represent nonstenosed injured group (n = 5); open squares represent stenosed non-injured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 3 A, Overall circumferential compliance (mean ± SEM). B, Overall longitudinal compliance (mean ± SEM). Open circles represent non-stenosed injured group (n = 5); open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 3 A, Overall circumferential compliance (mean ± SEM). B, Overall longitudinal compliance (mean ± SEM). Open circles represent non-stenosed injured group (n = 5); open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 4 Phase analysis of two-dimensional arterial wall motions. A, Non-stenosed injured group. Points 1 and 2 are proximal and 3 and 4 are distal to suture. B, Stenosed injured group. Points 1 to 3 are proximal and 4 to 6 distal to stenosis. Dotted line represents diameter fluctuations; solid line represents fluctuations of the axial markers. C, Overall phase shift data (mean ± SEM). Open circles represent nonstenosed injured group (n = 5); open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 4 Phase analysis of two-dimensional arterial wall motions. A, Non-stenosed injured group. Points 1 and 2 are proximal and 3 and 4 are distal to suture. B, Stenosed injured group. Points 1 to 3 are proximal and 4 to 6 distal to stenosis. Dotted line represents diameter fluctuations; solid line represents fluctuations of the axial markers. C, Overall phase shift data (mean ± SEM). Open circles represent nonstenosed injured group (n = 5); open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 4 Phase analysis of two-dimensional arterial wall motions. A, Non-stenosed injured group. Points 1 and 2 are proximal and 3 and 4 are distal to suture. B, Stenosed injured group. Points 1 to 3 are proximal and 4 to 6 distal to stenosis. Dotted line represents diameter fluctuations; solid line represents fluctuations of the axial markers. C, Overall phase shift data (mean ± SEM). Open circles represent nonstenosed injured group (n = 5); open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 14). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 5 Third day follow-up compliance findings. A, Overall circumferential compliance (mean ± SEM). B, Overall longitudinal compliance (mean ± SEM). Open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 5). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 5 Third day follow-up compliance findings. A, Overall circumferential compliance (mean ± SEM). B, Overall longitudinal compliance (mean ± SEM). Open squares represent stenosed noninjured group (n = 5); open triangles represent stenosed injured group (n = 5). Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 6 Schematic description of compressive wall motion phenomenon in vicinity of arterial stenosis. Solid line represents arterial wall configuration at diastole; dotted line represents arterial wall configuration at systole. Journal of Vascular Surgery 1994 20, 795-802DOI: (10.1016/S0741-5214(94)70189-X) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions