| Title |
Aortic knob width reflects left ventricular diastolic function assessed by gated myocardial perfusion single photon emission computed tomography in patients with normal myocardial perfusion
|
|---|---|
| Published in |
Annals of Nuclear Medicine, February 2017
|
| DOI | 10.1007/s12149-017-1150-y |
| Pubmed ID | |
| Authors |
Satoshi Kurisu, Tadanao Higaki, Yoji Sumimoto, Hiroki Ikenaga, Noriaki Watanabe, Ken Ishibashi, Yoshihiro Dohi, Yukihiro Fukuda, Yasuki Kihara |
| Abstract |
Aortic knob width on chest radiography represents the extent of aortic dialation and tortuosity of the aortic arch. We tested the hypothesis that aortic knob width reflected left ventricular (LV) diastolic function assessed by gated myocardial perfusion single photon emission computed tomography (SPECT) in patients with normal myocardial perfusion. One hundred and thirty patients with preserved LV ejection fraction and normal myocardial perfusion were enrolled in this study. Aortic knob width was measured along the horizontal line from the point of the lateral edge of the trachea to the left lateral wall of the aortic knob. The peak filling rate (PFR) and the one-third mean filling rate (1/3 MFR) were obtained as LV diastolic parameters. There were 114 male and 16 female patients. Age ranged from 43 to 88 years (69.9 ± 8.9 years). Aortic knob width ranged from 24.2 to 53.4 mm (37.6 ± 5.7 mm). There was a significant correlation between age and aortic knob width (r = 0.34, p < 0.001). Aortic knob width was inversely correlated with both PFR (r = -0.53, p < 0.001) and 1/3 MFR (r = -0.42, p < 0.001). Multivariate linear regression analysis revealed that serum creatinine (β = -0.16, p = 0.045) and aortic knob width (β = -0.45, p < 0.001) were significant predictors of PFR, and that age (β = -0.20, p = 0.02) and aortic knob width (β = -0.33, p < 0.001) were significant predictors of 1/3 MFR. Our data suggested that aortic knob width on chest radiography was a simple marker of LV diastolic function in patients with normal myocardial perfusion. |
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Scientists | 1 | 100% |
Mendeley readers
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 10 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Postgraduate | 2 | 20% |
| Other | 1 | 10% |
| Student > Bachelor | 1 | 10% |
| Student > Doctoral Student | 1 | 10% |
| Researcher | 1 | 10% |
| Other | 1 | 10% |
| Unknown | 3 | 30% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 6 | 60% |
| Agricultural and Biological Sciences | 1 | 10% |
| Unknown | 3 | 30% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 March 2017.
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#18,539,663
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#397
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Outputs of similar age from Annals of Nuclear Medicine
#6
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