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Scandinavian Cardiovascular Journal Volume 48, 2014 - Issue 5
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Research Articles

Reproducibility of grayscale and radiofrequency IVUS data acquisition in stented coronary arteries

Erik MadssenDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway;Department of Cardiology, Trondheim University Hospital, Trondheim, NorwayCorrespondence[email protected]
,
Jacek JakalaClinical Research & Core Laboratories, Krakow Cardiovascular Research Institute, Krakow, Poland
,
Klaudia ProniewskaClinical Research & Core Laboratories, Krakow Cardiovascular Research Institute, Krakow, Poland
,
Tomasz KulagaClinical Research & Core Laboratories, Krakow Cardiovascular Research Institute, Krakow, Poland;Department of Applied Mathematics, AGH University of Science and Technology, Krakow, Poland
,
Knut HegbomDepartment of Cardiology, Trondheim University Hospital, Trondheim, Norway
&
Rune WisethDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway;Department of Cardiology, Trondheim University Hospital, Trondheim, Norway
Pages 284-290 | Received 01 Jun 2014, Accepted 04 Jul 2014, Published online: 06 Aug 2014

Figures & data

Figure 1. Schematic drawing illustrating coronary artery segments that were analyzed in the current study.

Figure 1. Schematic drawing illustrating coronary artery segments that were analyzed in the current study.

Figure 2. Relationship between grayscale-plaque+ media data and radiofrequency-plaque.

Figure 2. Relationship between grayscale-plaque+ media data and radiofrequency-plaque.

Table I. Clinical and angiographic data.

Figure 3. Bland Altman plot displaying the inter-pullback reproducibility between pullbacks for grayscale lumen volume (mm3) in the whole vessel. The thin discontinued lines show limits of agreement, upper limit 53.5 mm3 and lower limit − 45.5 mm3.

Figure 3. Bland Altman plot displaying the inter-pullback reproducibility between pullbacks for grayscale lumen volume (mm3) in the whole vessel. The thin discontinued lines show limits of agreement, upper limit 53.5 mm3 and lower limit − 45.5 mm3.

Table IIa. Inter-pullback reproducibility of GS IVUS lumen volume (mm3) in sub-segments.

Table IIb. Inter-pullback reproducibility of GS IVUS vessel volume (mm3) in sub–segments.

Table IIc. Inter-pullback reproducibility of GS-IVUS plaque volume (mm3) in sub-segments.

Table III. Inter-pullback reproducibility of GS-IVUS lumen, vessel, and plaque + media volume (mm3) in whole segments.

Figure 4. Bland Altman plot displaying the inter-pullback reproducibility between pullbacks for necrotic core volume (mm3) in the whole vessel. The thin discontinued lines show limits of agreement, upper limit 16.1 mm3 and lower limit − 18.5 mm3.

Figure 4. Bland Altman plot displaying the inter-pullback reproducibility between pullbacks for necrotic core volume (mm3) in the whole vessel. The thin discontinued lines show limits of agreement, upper limit 16.1 mm3 and lower limit − 18.5 mm3.

Table IV. Inter-pullback reproducibility of RF-IVUS plaque volumes (mm3) in sub-segments and in whole segment.

Table V. Inter-pullback reproducibility of RF-IVUS plaque subtypes volumes (mm3) in whole segments.

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