Assessment of left ventricular torsion in long axis view in patients with chronic stenosis of coronary arteries
Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whet...
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| Published in: | Caspian journal of internal medicine Vol. 11; no. 1; pp. 21 - 27 |
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| Main Authors: | , , , , , |
| Format: | Journal Article |
| Language: | English |
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Iran
Babol University of Medical Sciences
2020
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| ISSN: | 2008-6164, 2008-6172 |
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| Abstract | Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whether torsion angle assessment in long axis view can be used as a diagnostic biomechanical marker in patients with coronary artery disease (CAD).
We assessed 20 males and 15 females who suffered from CAD and 24 healthy males and females. Two dimensional echocardiography images were scanned in cine loop format position throughout four cardiac cycles at basal and apical levels in the long axis view (4CH). Peak torsion angle in long axis view was obtained by speckle tracking method under block matching algorithm.
In long axis view, peak torsion angle and time of peak torsion angle were similar in female (34.87±5.8˚, 287±18ms) and males (33.26±5.60˚, 295 22ms) while they were significantly decreased and increased in CAD patients (female: 24.91±3.5˚, 345±26ms and male: 24.15±2.16˚, 358±24 ms) in comparison to healthy subjects. The peak torsion angle reduction in CAD patients was a subsequent of reduced rotation angle of basal and apical levels (P<0.001).
The results showed that sex difference did not influence torsion angle of the left ventricle. It is concluded that left ventricular torsion assessment in long axis view has the potential to distinct patients with CAD from healthy subjects in routine echocardiography evaluation. |
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| AbstractList | Background: Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whether torsion angle assessment in long axis view can be used as a diagnostic biomechanical marker in patients with coronary artery disease (CAD). Methods: We assessed 20 males and 15 females who suffered from CAD and 24 healthy males and females. Two dimensional echocardiography images were scanned in cine loop format position throughout four cardiac cycles at basal and apical levels in the long axis view (4CH). Peak torsion angle in long axis view was obtained by speckle tracking method under block matching algorithm. Results: In long axis view, peak torsion angle and time of peak torsion angle were similar in females (34.87±5.8˚, 287±18ms) and males (33.26±5.60˚, 295± 22ms) while they were significantly decreased and increased in CAD patients (females: 24.91±3.5˚, 345±26ms and males: 24.15±2.16˚, 358±24 ms) in comparison to healthy subjects. The peak torsion angle reduction in CAD patients was a subsequent of reduced rotation angle of basal and apical levels (P<0.001). Conclusion: The results showed that sex difference did not influence torsion angle of the left ventricle. It is concluded that left ventricular torsion assessment in long axis view has the potential to distinct patients with CAD from healthy subjects in routine echocardiography evaluation. Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whether torsion angle assessment in long axis view can be used as a diagnostic biomechanical marker in patients with coronary artery disease (CAD).BACKGROUNDLeft ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whether torsion angle assessment in long axis view can be used as a diagnostic biomechanical marker in patients with coronary artery disease (CAD).We assessed 20 males and 15 females who suffered from CAD and 24 healthy males and females. Two dimensional echocardiography images were scanned in cine loop format position throughout four cardiac cycles at basal and apical levels in the long axis view (4CH). Peak torsion angle in long axis view was obtained by speckle tracking method under block matching algorithm.METHODSWe assessed 20 males and 15 females who suffered from CAD and 24 healthy males and females. Two dimensional echocardiography images were scanned in cine loop format position throughout four cardiac cycles at basal and apical levels in the long axis view (4CH). Peak torsion angle in long axis view was obtained by speckle tracking method under block matching algorithm.In long axis view, peak torsion angle and time of peak torsion angle were similar in female (34.87±5.8˚, 287±18ms) and males (33.26±5.60˚, 295 22ms) while they were significantly decreased and increased in CAD patients (female: 24.91±3.5˚, 345±26ms and male: 24.15±2.16˚, 358±24 ms) in comparison to healthy subjects. The peak torsion angle reduction in CAD patients was a subsequent of reduced rotation angle of basal and apical levels (P<0.001).RESULTSIn long axis view, peak torsion angle and time of peak torsion angle were similar in female (34.87±5.8˚, 287±18ms) and males (33.26±5.60˚, 295 22ms) while they were significantly decreased and increased in CAD patients (female: 24.91±3.5˚, 345±26ms and male: 24.15±2.16˚, 358±24 ms) in comparison to healthy subjects. The peak torsion angle reduction in CAD patients was a subsequent of reduced rotation angle of basal and apical levels (P<0.001).The results showed that sex difference did not influence torsion angle of the left ventricle. It is concluded that left ventricular torsion assessment in long axis view has the potential to distinct patients with CAD from healthy subjects in routine echocardiography evaluation.CONCLUSIONThe results showed that sex difference did not influence torsion angle of the left ventricle. It is concluded that left ventricular torsion assessment in long axis view has the potential to distinct patients with CAD from healthy subjects in routine echocardiography evaluation. Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the literature has indicated that assessment of left ventricular torsion in short axis view has some limitations. In the present study, we evaluated whether torsion angle assessment in long axis view can be used as a diagnostic biomechanical marker in patients with coronary artery disease (CAD). We assessed 20 males and 15 females who suffered from CAD and 24 healthy males and females. Two dimensional echocardiography images were scanned in cine loop format position throughout four cardiac cycles at basal and apical levels in the long axis view (4CH). Peak torsion angle in long axis view was obtained by speckle tracking method under block matching algorithm. In long axis view, peak torsion angle and time of peak torsion angle were similar in female (34.87±5.8˚, 287±18ms) and males (33.26±5.60˚, 295 22ms) while they were significantly decreased and increased in CAD patients (female: 24.91±3.5˚, 345±26ms and male: 24.15±2.16˚, 358±24 ms) in comparison to healthy subjects. The peak torsion angle reduction in CAD patients was a subsequent of reduced rotation angle of basal and apical levels (P<0.001). The results showed that sex difference did not influence torsion angle of the left ventricle. It is concluded that left ventricular torsion assessment in long axis view has the potential to distinct patients with CAD from healthy subjects in routine echocardiography evaluation. |
| Author | Mostakhdem Hashemi, Mohammad Mokhtari-Dizaji, Manijeh Mahani, Leili Mosavi, Elham Arab-Bafrani, Zahra Jabari, Ali |
| AuthorAffiliation | 3 Department of Medical Physics, Tarbiat Modares University, Tehran, Iran 2 Department of Anesthesiology and Critical Care Medicine, Golestan University of Medical Sciences, Gorgan, Iran 7 Department of Radiation Oncology, Seyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran 6 Department of Medical Microbiology, Kerman University of Medical Sciences, Kerman, Iran 1 Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran 4 Department of Medical Physics, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran 5 Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran |
| AuthorAffiliation_xml | – name: 1 Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran – name: 3 Department of Medical Physics, Tarbiat Modares University, Tehran, Iran – name: 4 Department of Medical Physics, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran – name: 5 Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran – name: 7 Department of Radiation Oncology, Seyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran – name: 2 Department of Anesthesiology and Critical Care Medicine, Golestan University of Medical Sciences, Gorgan, Iran – name: 6 Department of Medical Microbiology, Kerman University of Medical Sciences, Kerman, Iran |
| Author_xml | – sequence: 1 givenname: Ali surname: Jabari fullname: Jabari, Ali organization: Department of Radiation Oncology, Seyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran – sequence: 2 givenname: Manijeh surname: Mokhtari-Dizaji fullname: Mokhtari-Dizaji, Manijeh organization: Department of Radiation Oncology, Seyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran – sequence: 3 givenname: Zahra surname: Arab-Bafrani fullname: Arab-Bafrani, Zahra organization: Department of Anesthesiology and Critical Care Medicine, Golestan University of Medical Sciences, Gorgan, Iran – sequence: 4 givenname: Elham surname: Mosavi fullname: Mosavi, Elham organization: Department of Medical Physics, Tarbiat Modares University, Tehran, Iran – sequence: 5 givenname: Leili surname: Mahani fullname: Mahani, Leili organization: Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran – sequence: 6 givenname: Mohammad surname: Mostakhdem Hashemi fullname: Mostakhdem Hashemi, Mohammad organization: Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran |
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| Keywords | Left ventricular torsion Echocardiography Block matching algorithm Speckle tracking Coronary artery disease |
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| Snippet | Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of the... Background: Left ventricular torsion is one of the most important biomechanical parameters of heart that routinely is measured in short axis view. A review of... |
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| SubjectTerms | block matching algorithm coronary artery disease echocardiography left ventricular torsion Original speckle tracking |
| Title | Assessment of left ventricular torsion in long axis view in patients with chronic stenosis of coronary arteries |
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