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Sipos B, Vecsey-Nagy M, Vattay B, Boussoussou M, Jokkel Z, Borzsák S, Jermendy Á, Panajotu A, Gonda X, Rihmer Z, Merkely B, Szilveszter B, Nemcsik J. Association between affective temperaments and the severity and the extent of coronary artery disease as obtained by coronary CT angiography. J Affect Disord 2024; 363:47-54. [PMID: 39029693 DOI: 10.1016/j.jad.2024.07.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/03/2024] [Accepted: 07/14/2024] [Indexed: 07/21/2024]
Abstract
BACKGROUND Affective temperaments are documented predictors of psychopathology, but cumulating data suggest their relationship with coronary artery disease (CAD). We aimed to evaluate their role in relation to surrogate semiquantitative markers of coronary plaque burden, as assessed by coronary CT angiography (CCTA). METHODS We included 351 patients who were referred for CCTA due to suspected CAD. All patients completed the Temperament Evaluation of Memphis, Pisa, Paris and San Diego Autoquestionnaire (TEMPS-A). The severity and extent of CAD was evaluated by CCTA, applying semiquantitative plaque burden scores, notably Segment Involvement Score (SIS) and Segment Stenosis Score (SSS). Logistic regression analyses were performed to define the predictors of CAD severity and extent. RESULTS Regarding the scores evaluated by TEMPS-A that consists of 110 questions, in men, significant inverse association was found between hyperthymic temperament score and SSS (β = -0.143, (95%CI: -0.091 to -0.004), p = 0.034). Compared to the TEMPS-A form, applying the abbreviated version - containing 40 questions - significant relationship between affective temperaments and SSS or SIS was found in case of both sexes. Concerning men, hyperthymic temperament was demonstrated to be independent predictor of both SSS (β = -0.193, (95%CI: -0.224 to -0.048), p = 0.004) and SIS (β = -0.194, (95%CI: -0.202 to -0.038), p = 0.004). Additionally, we proved, that significant positive association between irritable temperament and SSS (β = 0.152, (95%CI: 0.002 to 0.269), p = 0.047) and SIS (β = 0.155, (95%CI: 0.004 to 0.221), p = 0.042) exists among women. LIMITATIONS Cross-sectional analysis of a single center study with self-reported questionnaires. CONCLUSIONS Assessment of affective temperaments could offer added value in stratifying cardiovascular risk for patients beyond traditional risk factors.
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Affiliation(s)
- Barbara Sipos
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Borbála Vattay
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Melinda Boussoussou
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Zsófia Jokkel
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Sarolta Borzsák
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Ádám Jermendy
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Alexisz Panajotu
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Xenia Gonda
- Department of Psychiatry and Psychotherapy, Semmelweis University, 1083 Budapest, Balassa Street 6, Hungary; MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Budapest, Hungary
| | - Zoltán Rihmer
- Department of Psychiatry and Psychotherapy, Semmelweis University, 1083 Budapest, Balassa Street 6, Hungary; Nyírő Gyula National Institute of Psychiatry and Addictions, 1135 Budapest, Lehel Street 59, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary
| | - Bálint Szilveszter
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68, Hungary.
| | - János Nemcsik
- Department of Family Medicine, Semmelweis University, 1085 Budapest, Stáhly Street 7-9, Hungary; Health Service of Zugló (ZESZ), 1148 Budapest, Örs vezér Square 23, Hungary
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Vattay B, Boussoussou M, Vecsey-Nagy M, Kolossváry M, Juhász D, Kerkovits N, Balogh H, Nagy N, Vértes M, Kiss M, Kubovje A, Merkely B, Maurovich Horvat P, Szilveszter B. Qualitative and quantitative image quality of coronary CT angiography using photon-counting computed tomography: Standard and Ultra-high resolution protocols. Eur J Radiol 2024; 175:111426. [PMID: 38493558 DOI: 10.1016/j.ejrad.2024.111426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/13/2024] [Accepted: 03/11/2024] [Indexed: 03/19/2024]
Abstract
PURPOSE We aimed to identify the optimal reconstruction settings based on qualitative and quantitative image quality parameters on standard and ultra-high resolution (UHR) images using photon-counting CT (PCCT). METHOD We analysed 45 patients, 29 with standard and 16 with UHR acquisition, applying both smoother and sharper kernel settings. Coronary CT angiography images were performed on a dual-source PCCT system using standard (0.4/0.6 mm slice thickness, Bv40/Bv44 kernels, QIR levels 0-4) or UHR acquisition (0.2/0.4 mm slice thickness, Bv44/Bv56 kernels, QIR levels 0-4). Qualitative image quality was assessed using a 4-point Likert scale. Image noise (SD), signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated in both the proximal and distal segments. RESULTS On standard resolution, larger slice thickness resulted in an average increase of 12.5 % in CNR, whereas sharper kernel led to an average 8.7 % decrease in CNR. Highest CNR was measured on 0.6 mm, Bv40, QIR4 images and lowest on 0.4 mm, Bv44, QIR0 images: 25.8 ± 4.1vs.8.3 ± 1.6 (p < 0.001). On UHR images, highest CNR was observed on 0.4 mm, Bv40, QIR4 and lowest on 0.2 mm, Bv56 and QIR0 images: 21.5 ± 3.9vs.3.6 ± 0.8 (p < 0.001). Highest qualitative image quality was found on images with Bv44 kernel and QIR level 3/4 with both slice thicknesses on standard reconstruction. Additionally, Bv56 with QIR4 on 0.2 mm slice thickness images showed highest subjective image quality. Preserved distal vessel visualization was detected using QIR 2-4, Bv56 and 0.2 mm slice thickness. CONCLUSIONS Photon-counting CT demonstrated high qualitative and quantitative image quality for the assessment of coronaries and stents.
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Affiliation(s)
- Borbála Vattay
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary
| | - Melinda Boussoussou
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, 29 Haller Utca, 1096, Budapest, Hungary; Physiological Controls Research Center, University Research and Innovation Center, Óbuda University, Bécsi Ut 96/B, 1034, Budapest, Hungary
| | - Dénes Juhász
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary
| | - Nóra Kerkovits
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Hanna Balogh
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Norbert Nagy
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Miklós Vértes
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Máté Kiss
- Siemens Healthcare GmbH, Forchheim, Germany
| | - Anikó Kubovje
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary
| | - Pál Maurovich Horvat
- Medical Imaging Center, Semmelweis University, 1082 Budapest, Korányi Sándor Street 2., Hungary
| | - Bálint Szilveszter
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Városmajor Street 68., Hungary.
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3
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Vecsey-Nagy M, Kolossváry M, Varga-Szemes A, Boussoussou M, Vattay B, Nagy M, Juhász D, Merkely B, Radovits T, Szilveszter B. Low-attenuation coronary plaque burden and troponin release in chronic coronary syndrome: A mediation analysis. J Cardiovasc Comput Tomogr 2024; 18:18-25. [PMID: 37867127 DOI: 10.1016/j.jcct.2023.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/01/2023] [Accepted: 10/16/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND Coronary low-attenuation plaque (LAP) burden is a strong predictor of myocardial infarction in patients with stable chest pain. We aimed to assess the relationship between LAP burden and circulating levels of high-sensitivity cardiac troponin T (hs-cTnT), and to explore the potential underlying etiology in patients undergoing clinically indicated coronary CT angiography (CCTA). METHODS A comprehensive metabolic and lipid panel, as well as C-reactive protein (CRP) and hs-cTnT tests were obtained from consecutive patients with stable chest pain at the time of CCTA. Qualitative and quantitative coronary plaque analysis, CT-derived fractional flow reserve (FFR) calculation, and pericoronary adipose tissue (PCAT) attenuation measurement around the right coronary artery were performed on CCTA images. Linear regression analyses were performed to identify independent associations with hs-cTnT concentration and mediation analysis was used to assess whether ischemia or markers of inflammation mediate hs-cTnT elevation. RESULTS In total, 114 patients (56.3 ± 10.6 years, 44.7 % female) were enrolled. In multivariable analysis, age (β = 0.04 [95%CI: 0.02; 0.06], p < 0.001), female sex (β = -0.77 [95%CI: -1.20; 0.33], p < 0.001), and LAP burden (β = 0.03 [95%CI: 0.001; 0.06], p = 0.04) were independently associated with hs-cTnT levels. Mediation analysis, on the other hand, did not identify a significant mediating effect of lesion-specific ischemia based on CT-FFR, circulating CRP levels, or PCAT values between LAP burden and hs-cTnT levels (all p > 0.05). CONCLUSION Although ischemia and inflammation have previously been proposed to mediate the association between LAP burden and hs-cTnT levels, our results did not confirm the role of these pathophysiological pathways in patients with stable chest pain.
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Affiliation(s)
- Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary.
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, Budapest, Hungary; Physiological Controls Research Center, Budapest, Hungary
| | - Akos Varga-Szemes
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | | | - Borbála Vattay
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Martin Nagy
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Dénes Juhász
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Tamás Radovits
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
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Simon J, Hrenkó Á, Kerkovits NM, Nagy K, Vértes M, Balogh H, Nagy N, Munkácsi T, Emrich T, Varga-Szemes A, Boussoussou M, Vattay B, Vecsey-Nagy M, Kolossváry M, Szilveszter B, Merkely B, Maurovich-Horvat P. Photon-counting detector CT reduces the rate of referrals to invasive coronary angiography as compared to CT with whole heart coverage energy-integrating detector. J Cardiovasc Comput Tomogr 2024; 18:69-74. [PMID: 38097408 DOI: 10.1016/j.jcct.2023.11.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/19/2023] [Accepted: 11/24/2023] [Indexed: 02/26/2024]
Abstract
BACKGROUND We sought to compare the degree of maximal stenosis and the rate of invasive coronary angiography (ICA) recommendations in patients who underwent coronary CT angiography (CCTA) with photon-counting detector CT (PCD-CT) versus those who underwent CCTA with whole heart coverage energy-integrating detector CT (EID-CT). METHODS In our retrospective single-center study, we included consecutive patients with suspected CAD who underwent CCTA performed with either PCD-CT or a 280-slice EID-CT. The degree of coronary stenosis was classified as no CAD, minimal (1-24 %), mild (25-49 %), moderate (50-69 %), severe stenosis (70-99 %), or occlusion. RESULTS A total of 812 consecutive patients were included in the analysis, 401 patients scanned with EID-CT and 411 patients with PCD-CT (mean age: 58.4 ± 12.4 years, 45.4 % female). Despite the higher total coronary artery calcium score (CACS) in the PCD-CT group (10 [interquartile range (IQR) = 0-152.8] vs 1 [IQR = 0-94], p < 0.001), obstructive CAD was more frequently reported in the EID-CT vs PCD-CT group (no CAD: 28.7 % vs 26.0 %, minimal: 23.2 % vs 30.9 %, mild: 19.7 % vs 23.4 %, moderate: 14.5 % vs 9.7 %, severe: 11.5 % vs 8.5 % and occlusion: 2.5 % vs 1.5 %, respectively, p = 0.025). EID-CT was independently associated with downstream ICA (OR = 2.76 [95%CI = 1.58-4.97] p < 0.001) in the overall patient population, in patients with CACS<400 (OR = 2.18 [95%CI = 1.13-4.39] p = 0.024) and in patients with CACS≥400 (OR = 3.83 [95%CI = 1.42-11.05] p = 0.010). CONCLUSION In patients who underwent CCTA with PCD-CT the number of subsequent ICAs was lower as compared to patients who were scanned with EID-CT. This difference was greater in patients with extensive coronary calcification.
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Affiliation(s)
- Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Áron Hrenkó
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Nóra Melinda Kerkovits
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Kristóf Nagy
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Miklós Vértes
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Hanna Balogh
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Norbert Nagy
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Tamás Munkácsi
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Tilman Emrich
- Department of Diagnostic and Interventional Radiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany; Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | - Akos Varga-Szemes
- Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | | | - Borbála Vattay
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Milán Vecsey-Nagy
- Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA; Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, Budapest, Hungary; Physiological Controls Research Center, University Research and Innovation Center, Óbuda University, Hungary
| | | | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary.
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5
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Vattay B, Szilveszter B, Boussoussou M, Vecsey-Nagy M, Lin A, Konkoly G, Kubovje A, Schwarz F, Merkely B, Maurovich-Horvat P, Williams MC, Dey D, Kolossváry M. Impact of virtual monoenergetic levels on coronary plaque volume components using photon-counting computed tomography. Eur Radiol 2023; 33:8528-8539. [PMID: 37488295 PMCID: PMC10667372 DOI: 10.1007/s00330-023-09876-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/29/2023] [Accepted: 05/05/2023] [Indexed: 07/26/2023]
Abstract
OBJECTIVES Virtual monoenergetic images (VMIs) from photon-counting CT (PCCT) may change quantitative coronary plaque volumes. We aimed to assess how plaque component volumes change with respect to VMIs. METHODS Coronary CT angiography (CTA) images were acquired using a dual-source PCCT and VMIs were reconstructed between 40 and 180 keV in 10-keV increments. Polychromatic images at 120 kVp (T3D) were used as reference. Quantitative plaque analysis was performed on T3D images and segmentation masks were copied to VMI reconstructions. Calcified plaque (CP; > 350 Hounsfield units, HU), non-calcified plaque (NCP; 30 to 350 HU), and low-attenuation NCP (LAP; - 100 to 30 HU) volumes were calculated using fixed thresholds. RESULTS We analyzed 51 plaques from 51 patients (67% male, mean age 65 ± 12 years). Average attenuation and contrast-to-noise ratio (CNR) decreased significantly with increasing keV levels, with similar values observed between T3D and 70 keV images (299 ± 209 vs. 303 ± 225 HU, p = 0.15 for mean HU; 15.5 ± 3.7 vs. 15.8 ± 3.5, p = 0.32 for CNR). Mean NCP volume was comparable between T3D and 100-180-keV reconstructions. There was a monotonic decrease in mean CP volume, with a significant difference between all VMIs and T3D (p < 0.05). LAP volume increased with increasing keV levels and all VMIs showed a significant difference compared to T3D, except for 50 keV (28.0 ± 30.8 mm3 and 28.6 ± 30.1 mm3, respectively, p = 0.63). CONCLUSIONS Estimated coronary plaque volumes significantly differ between VMIs. Normalization protocols are needed to have comparable results between future studies, especially for LAP volume which is currently defined using a fixed HU threshold. CLINICAL RELEVANCE STATEMENT Different virtual monoenergetic images from photon-counting CT alter attenuation values and therefore corresponding plaque component volumes. New clinical standards and protocols are required to determine the optimal thresholds to derive plaque volumes from photon-counting CT. KEY POINTS • Utilizing different VMI energy levels from photon-counting CT for the analysis of coronary artery plaques leads to substantial changes in attenuation values and corresponding plaque component volumes. • Low-energy images (40-70 keV) improved contrast-to-noise ratio, however also increased image noise. • Normalization protocols are needed to have comparable results between future studies, especially for low-attenuation plaque volume which is currently defined using a fixed HU threshold.
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Affiliation(s)
- Borbála Vattay
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary.
| | - Melinda Boussoussou
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary
| | - Milán Vecsey-Nagy
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary
| | - Andrew Lin
- Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, 116 N Robertson Blvd, Suite 400, CA, 90048, Los Angeles, USA
| | - Gábor Konkoly
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary
| | - Anikó Kubovje
- Semmelweis University Medical Imaging Center, Korányi Sándor Street 2., 1082, Budapest, Hungary
| | - Florian Schwarz
- Clinic for Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Augsburg, Stenglinstr. 2, 86156, Augsburg, Germany
| | - Béla Merkely
- MTA-SE "Lendület" Cardiovascular Imaging Research Group, Semmelweis University Heart and Vascular Center, Városmajor Street 68., 1122, Budapest, Hungary
| | - Pál Maurovich-Horvat
- Semmelweis University Medical Imaging Center, Korányi Sándor Street 2., 1082, Budapest, Hungary
| | - Michelle C Williams
- University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - Damini Dey
- Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, 116 N Robertson Blvd, Suite 400, CA, 90048, Los Angeles, USA
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, 29 Haller Utca, 1096, Budapest, Hungary.
- Physiological Controls Research Center, University Research and Innovation Center, Óbuda University, Bécsi Út 96/B, 1034, Budapest, Hungary.
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6
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Nagy FT, Olajos D, Vattay B, Borzsák S, Boussoussou M, Deák M, Vecsey-Nagy M, Sipos B, Jermendy ÁL, Tóth GG, Nemes B, Merkely B, Szili-Török T, Ruzsa Z, Szilveszter B. Dynamic Perfusion Computed Tomography for the Assessment of Concomitant Coronary Artery Disease in Patients with a History of Percutaneous Transluminal Angioplasty for Chronic Limb-Threatening Ischemia-A Pilot Study. J Cardiovasc Dev Dis 2023; 10:443. [PMID: 37998501 PMCID: PMC10671941 DOI: 10.3390/jcdd10110443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/16/2023] [Accepted: 10/19/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND Chronic limb-threatening ischemia (CLTI) is associated with high rates of long-term cardiovascular mortality. Exercise stress testing to detect obstructive coronary artery disease (CAD) can be difficult in this subset of patients due to inability to undergo exercise testing, presence of balanced ischemia and severe coronary artery calcification (CAC). AIM To test the feasibility of regadenoson stress dynamic perfusion computed tomography (DPCT) in CLTI patients. METHODS Between 2018 and 2023, coronary computed tomography angiography (CTA) and, in the case of a calcium score higher than 400, DPCT, were performed in 25 CLTI patients with a history of endovascular revascularization. RESULTS Of the 25 patients, 19 had a calcium score higher than 400, requiring DPCT image acquisition. Obstructive CAD could be ruled out in 10 of the 25 patients. Of the 15 CTA/DPCT+ patients, 13 proceeded to coronary angiography (CAG). Revascularization was necessary in all 13 patients. In these 13 patients, vessel-based sensitivity and specificity of coronary CTA/DPCT as compared to invasive evaluation was 75%, respectively. At follow-up (27 ± 21 months) there was no statistically significant difference in all-cause mortality between CTA/DPCT- positive and -negative patients (p = 0.065). CONCLUSIONS Despite a high prevalence of severe CAC, coronary CTA complemented by DPCT may be a feasible method to detect obstructive and functionally significant CAD in CLTI patients.
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Affiliation(s)
- Ferenc T. Nagy
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6725 Szeged, Hungary; (F.T.N.); (D.O.)
| | - Dorottya Olajos
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6725 Szeged, Hungary; (F.T.N.); (D.O.)
| | - Borbála Vattay
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Sarolta Borzsák
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Melinda Boussoussou
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Mónika Deák
- Bács-Kiskun County Hospital, 6725 Kecskemét, Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Barbara Sipos
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Ádám L. Jermendy
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Gábor G. Tóth
- Graz University Heart Center Graz, Medical University of Graz, 8036 Graz, Austria
| | - Balázs Nemes
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
| | - Tamás Szili-Török
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6725 Szeged, Hungary; (F.T.N.); (D.O.)
| | - Zoltán Ruzsa
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6725 Szeged, Hungary; (F.T.N.); (D.O.)
| | - Bálint Szilveszter
- Heart and Vascular Center, Semmelweis University, Határőr Str. 18, 1122 Budapest, Hungary
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7
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Vecsey-Nagy M, Varga-Szemes A, Emrich T, Zsarnoczay E, Nagy N, Fink N, Schmidt B, Nowak T, Kiss M, Vattay B, Boussoussou M, Kolossváry M, Kubovje A, Merkely B, Maurovich-Horvat P, Szilveszter B. Calcium scoring on coronary computed angiography tomography with photon-counting detector technology: Predictors of performance. J Cardiovasc Comput Tomogr 2023; 17:328-335. [PMID: 37635032 DOI: 10.1016/j.jcct.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/10/2023] [Accepted: 08/05/2023] [Indexed: 08/29/2023]
Abstract
INTRODUCTION Obtaining accurate coronary artery calcium (CAC) score measurements from CCTA datasets with virtual non-iodine (VNI) algorithms would reduce acquisition time and radiation dose. We aimed to assess the agreement of VNI-derived and conventional true non-contrast (TNC)-based CAC scores and to identify the predictors of accuracy. METHODS CCTA datasets were acquired with either 120 or 140 kVp. CAC scores and volumes were calculated from TNC and VNI images in 197 consecutive patients undergoing CCTA. CAC density score, mean volume/lesion, aortic Hounsfield units and standard deviations were then measured. Finally, percentage deviation (VNI - TNC/TNC∗100) of CTA-derived CAC scores from non-enhanced scans was calculated for each patient. Predictors (including anthropometric and acquisition parameters, as well as CAC characteristics) of the degree of discrepancy were evaluated using linear regression analysis. RESULTS While the agreement between TNC and VNI was substantial (mean bias, 6.6; limits of agreement, 178.5/145.3), a non-negligible proportion of patients (36/197, 18.3%) were falsely reclassified as CAC score = 0 on VNI. The use of higher tube voltage significantly decreased the percentage deviation relative to TNC-based values (β = -0.21 [95%CI: 0.38 to -0.03], p = 0.020) and a higher CAC density score also proved to be an independent predictor of a smaller difference (β = -0.22 [95%CI: 0.37 to -0.07], p = 0.006). CONCLUSION The performance of VNI-based calcium scoring may be improved by increased tube voltage protocols, while the accuracy may be compromised for calcified lesions of lower density. The implementation of VNI in clinical routine, however, needs to be preceded by a solution for detecting smaller lesions as well.
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Affiliation(s)
- M Vecsey-Nagy
- Heart and Vascular Center of Semmelweis University, Budapest, Hungary; Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | - A Varga-Szemes
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | - T Emrich
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA; Department of Diagnostic and Interventional Radiology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - E Zsarnoczay
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA; Medical Imaging Center of Semmelweis University, Budapest, Hungary
| | - N Nagy
- Medical Imaging Center of Semmelweis University, Budapest, Hungary
| | - N Fink
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA; Department of Radiology, University Hospital, LMU Munich, Munich, Germany
| | - B Schmidt
- Siemens Healthcare GmbH, Forchheim, Germany
| | - T Nowak
- Siemens Healthcare GmbH, Forchheim, Germany
| | - M Kiss
- Siemens Healthcare GmbH, Forchheim, Germany
| | - B Vattay
- Heart and Vascular Center of Semmelweis University, Budapest, Hungary
| | - M Boussoussou
- Heart and Vascular Center of Semmelweis University, Budapest, Hungary
| | - M Kolossváry
- Gottsegen National Cardiovascular Center, Budapest, Hungary; Physiological Controls Research Center, Budapest, Hungary
| | - A Kubovje
- Medical Imaging Center of Semmelweis University, Budapest, Hungary
| | - B Merkely
- Heart and Vascular Center of Semmelweis University, Budapest, Hungary
| | | | - B Szilveszter
- Heart and Vascular Center of Semmelweis University, Budapest, Hungary.
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8
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Panajotu A, Vecsey-Nagy M, Jermendy ÁL, Boussoussou M, Vattay B, Kolossváry M, Zs. Dombrády Ö, Csobay-Novák C, Merkely B, Szilveszter B. Coronary CTA Amidst the COVID-19 Pandemic: A Quicker Examination Protocol with Preserved Image Quality Using a Dedicated Cardiac Scanner. Diagnostics (Basel) 2023; 13:406. [PMID: 36766511 PMCID: PMC9914678 DOI: 10.3390/diagnostics13030406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/24/2023] Open
Abstract
There has been an ongoing debate on the means to minimize the time patients spend at health care providers during the COVID-19 pandemic. We propose a strategy relying solely on intravenous (i.v.) beta-blocker administration for heart-rate (HR) control prior to coronary CT angiography (CCTA). We aimed to assess a potential difference in CCTA image quality (IQ) after implementation of a modified strategy compared to our standard protocol of oral premedication during the first wave of COVID-19. We analyzed CCTA examinations conducted one year before (n = 1511) and after (n = 1064) implementation of this new regime. Examinations were performed both on our 256-slice multidetector CT (MDCT) and dedicated cardiac CT (DCCT) scanners. We used a four-point Likert scale (excellent/good/moderate/non-diagnostic) for IQ assessment of the coronaries. We detected a significant increase in mean HR during examinations on both CT scanners (MDCT: 62.4 ± 10.0 vs. 65.3 ± 9.7, p < 0.001; DCCT: 61.7 ± 15.2 vs. 65.0 ± 10.7, p < 0.001). The rate of moderate/non-diagnostic IQ significantly increased on the MDCT (192/1005, 19.1% vs. 144/466, 30.9%, p < 0.001), while this ratio did not change significantly on the DCCT (62/506, 12.3% vs. 84/598, 14.0%, p = 0.38). The improved temporal resolution of DCCT allows the stand-alone use of i.v. premedication with preserved IQ; hence, the duration of visits can be shortened.
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Affiliation(s)
- Alexisz Panajotu
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | | | | | - Borbála Vattay
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, 29. Haller Street, 1096 Budapest, Hungary
- Physiological Controls Research Center, University Research and Innovation Center, Óbuda University, Bécsi út 96/b, 1034 Budapest, Hungary
| | - Örs Zs. Dombrády
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | - Csaba Csobay-Novák
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
| | - Bálint Szilveszter
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary
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9
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Vecsey-Nagy M, Szilveszter B, Kolossváry M, Boussoussou M, Vattay B, Gonda X, Rihmer Z, Merkely B, Maurovich-Horvat P, Nemcsik J. Cyclothymic affective temperament is independently associated with left ventricular hypertrophy in chronic hypertensive patients. J Psychosom Res 2022; 160:110988. [PMID: 35863114 DOI: 10.1016/j.jpsychores.2022.110988] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 07/03/2022] [Accepted: 07/06/2022] [Indexed: 10/17/2022]
Abstract
OBJECTIVE Affective temperaments (depressive, anxious, irritable, hyperthymic, and cyclothymic) are regarded as the stable core of personality and when present in their dominant form, are considered subclinical manifestations and high-risk states for various affective disorders. Furthermore, cumulating evidence supports their relationship with cardiovascular diseases. Our aim was to assess the association between affective temperaments and left ventricular hypertrophy (LVH) in chronic hypertensive patients. METHODS In the present cross-sectional study, 296 patients referred to coronary computed tomography angiography (CCTA) due to suspected coronary artery disease were analyzed. All patients completed the Temperament Evaluation of Memphis, Pisa, Paris, and San Diego Autoquestionnaire (TEMPS-A). Left ventricular mass was quantified by CCTA and indexed to the body surface area (LVMi). Logistic regression analysis was used to identify predictors of LVH (men: ≥67.2 g/m2 and women: ≥54.7 g/m2). RESULTS Among our patient cohort (mean age: 59.4 ± 10.6, 44.9% female), the median LVM and LVMi were 115.5 [88.4-140.7] g and 58.4 [47.4-64.2] g/m2, respectively. Elevated BMI (OR = 1.04 CI: 1.01-1.10, p = 0.04) and cyclothymic affective temperament scores (OR = 1.06 CI: 1.00-1.12, p = 0.04) significantly increased the odds of LVH in multivariate logistic regression analysis. CONCLUSION Assessment of affective temperaments may allow for the identification of chronic hypertensive patients with elevated risk for LVH as a potential target for earlier primary intervention.
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Affiliation(s)
- Milán Vecsey-Nagy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Xenia Gonda
- NAP-2-SE New Antidepressant Target Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary; Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary; MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Budapest, Hungary
| | - Zoltán Rihmer
- Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary; Nyírő Gyula National Institute of Psychiatry and Addictions, Budapest, Hungary
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary; Medical Imaging Centre, Semmelweis University, Budapest, Hungary.
| | - János Nemcsik
- Department of Family Medicine, Semmelweis University, Budapest, Hungary; Health Service of Zugló (ZESZ), Budapest, Hungary
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10
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Vecsey-Nagy M, Jermendy ÁL, Kolossváry M, Vattay B, Boussoussou M, Suhai FI, Panajotu A, Csőre J, Borzsák S, Fontanini DM, Csobay-Novák C, Merkely B, Maurovich-Horvat P, Szilveszter B. Heart Rate-Dependent Degree of Motion Artifacts in Coronary CT Angiography Acquired by a Novel Purpose-Built Cardiac CT Scanner. J Clin Med 2022; 11:jcm11154336. [PMID: 35893427 PMCID: PMC9369248 DOI: 10.3390/jcm11154336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/19/2022] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
Although reaching target heart rate (HR) before coronary CT angiography (CCTA) is still of importance, adequate HR control remains a challenge for many patients. Purpose-built cardiac scanners may provide optimal image quality at higher HRs by further improving temporal resolution. We aimed to compare the amount of motion artifacts on CCTA acquired using a dedicated cardiac CT (DCCT) compared to a conventional multidetector CT (MDCT) scanner. We compared 80 DCCT images to 80 MDCT scans matched by sex, age, HR, and coronary dominance. Image quality was graded on a per-patient, per-vessel and per-segment basis. Motion artifacts were assessed using Likert scores (1: non-diagnostic, 2: severe artifacts, 3: mild artifacts, 4: no artifacts). Patients were stratified into four groups according to HR (<60/min, 60−65/min, 66−70/min and >70/min). Overall, 2328 coronary segments were evaluated. DCCT demonstrated superior overall image quality compared to MDCT (3.7 ± 0.4 vs. 3.3 ± 0.7, p < 0.001). DCCT images yielded higher Likert scores in all HR ranges, which was statistically significant in the 60−65/min, 66−70/min and >70/min ranges (3.9 ± 0.2 vs. 3.7 ± 0.2, p = 0.008; 3.5 ± 0.5 vs. 3.1 ± 0.6, p = 0.048 and 3.5 ± 0.4 vs. 2.7 ± 0.7, p < 0.001, respectively). Using a dedicated cardiac scanner results in fewer motion artifacts, which may allow optimal image quality even in cases of high HRs.
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Affiliation(s)
- Milán Vecsey-Nagy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
- Correspondence:
| | - Ádám Levente Jermendy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Ferenc Imre Suhai
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Alexisz Panajotu
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | - Judit Csőre
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (J.C.); (D.M.F.); (C.C.-N.); (B.M.)
| | - Sarolta Borzsák
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
| | | | - Csaba Csobay-Novák
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (J.C.); (D.M.F.); (C.C.-N.); (B.M.)
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (J.C.); (D.M.F.); (C.C.-N.); (B.M.)
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
- Medical Imaging Centre, Semmelweis University, 1082 Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (Á.L.J.); (M.K.); (B.V.); (M.B.); (F.I.S.); (A.P.); (S.B.); (P.M.-H.); (B.S.)
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11
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Boussoussou M, Szilveszter B, Vattay B, Kolossváry M, Vecsey-Nagy M, Salló Z, Orbán G, Péter P, Katalin P, Vivien NK, István O, Maurovich-Horvat P, Merkely B, Gellér L, Szegedi N. The effect of left atrial wall thickness and pulmonary vein sizes on the acute procedural success of atrial fibrillation ablation. Int J Cardiovasc Imaging 2022; 38:1601-1611. [PMID: 35138472 PMCID: PMC11142952 DOI: 10.1007/s10554-022-02533-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/20/2022] [Indexed: 11/05/2022]
Abstract
Nowadays, a novel contact-force guided ablation technique is used for enclosing pulmonary veins in patients with atrial fibrillation (AF). We sought to determine whether left atrial (LA) wall thickness (LAWT) and pulmonary vein (PV) dimensions, as assessed by cardiac CT, could influence the success rate of first-pass pulmonary vein isolation (PVI). In a single-center, prospective study, we enrolled consecutive patients with symptomatic, drug-refractory AF who underwent initial radiofrequency catheter ablation using a modified CLOSE protocol. Pre-procedural CT was performed in all cases. Additionally, the diameter and area of the PV orifices were obtained. A total of 1034 LAWT measurements and 376 PV area measurements were performed in 94 patients (mean CHA2DS2-VASc score 2.1 ± 1.5, mean age 62.4 ± 12.6 years, 39.5% female, 38.3% persistent AF). Mean procedure time was 81.2 ± 19.3 min. Complete isolation of all PVs was achieved in 100% of patients. First-pass isolation rate was 76% and 71% for the right-sided PVs and the left-sided PVs, respectively. No difference was found regarding comorbidities and imaging parameters between those with and without first-pass isolation. LAWT (mean of 11 regions or separately) had no effect on the acute procedural outcome on logistic regression analysis (all p ≥ 0.05). Out of all assessed parameters, only RSPV diameter was associated with a higher rate of successful right-sided first pass isolation (OR 1.01, p = 0.04). Left atrial wall thickness does not have an influence on the acute procedural success of PVI using ablation index and a standardized ablation protocol. RSPV diameter could influence the probability of right sided first-pass isolation.
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Affiliation(s)
- Melinda Boussoussou
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary.
| | - Bálint Szilveszter
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Borbála Vattay
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Márton Kolossváry
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Milán Vecsey-Nagy
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Zoltán Salló
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Gábor Orbán
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Perge Péter
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Piros Katalin
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Nagy Klaudia Vivien
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Osztheimer István
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | | | - Béla Merkely
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - László Gellér
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
| | - Nándor Szegedi
- Semmelweis University Heart and Vascular Center, Városmajor utca 68., Budapest, 1122, Hungary
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12
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Jávorszky N, Homonnay B, Gerstenblith G, Bluemke D, Kiss P, Török M, Celentano D, Lai H, Lai S, Kolossváry M. Deep learning-based atherosclerotic coronary plaque segmentation on coronary CT angiography. Eur Radiol 2022; 32:7217-7226. [PMID: 35524783 DOI: 10.1007/s00330-022-08801-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/31/2022] [Accepted: 04/03/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Volumetric evaluation of coronary artery disease (CAD) allows better prediction of cardiac events. However, CAD segmentation is labor intensive. Our objective was to create an open-source deep learning (DL) model to segment coronary plaques on coronary CT angiography (CCTA). METHODS Three hundred eight individuals' 894 CCTA scans with 3035 manually segmented plaques by an expert reader (considered as ground truth) were used to train (186/308, 60%), validate (tune, 61/308, 20%), and test (61/308, 20%) a 3D U-net model. We also evaluated the model on an external test set of 50 individuals with vulnerable plaques acquired at a different site. Furthermore, we applied transfer learning on 77 individuals' data and re-evaluated the model's performance using intra-class correlation coefficient (ICC). RESULTS On the test set, DL outperformed the currently used minimum cost approach method to quantify total: ICC: 0.88 [CI: 0.85-0.91] vs. 0.63 [CI: 0.42-0.76], noncalcified: 0.84 [CI: 0.80-0.88] vs. 0.45 [CI: 0.26-0.59], calcified: 0.99 [CI: 0.98-0.99] vs. 0.96 [CI: 0.94-0.97], and low attenuation noncalcified: 0.25 [CI: 0.13-0.37] vs. -0.01 [CI: -0.13 to 0.11] plaque volumes. On the external dataset, substantial improvement was observed in DL model performance after transfer learning, total: 0.62 [CI: 0.01-0.84] vs. 0.94 [CI: 0.87-0.97], noncalcified: 0.54 [CI: -0.04 to 0.80] vs. 0.93 [CI: 0.86-0.96], calcified: 0.91 [CI:0.85-0.95] vs. 0.95 [CI: 0.91-0.97], and low attenuation noncalcified 0.48 [CI: 0.18-0.69] vs. 0.86 [CI: 0.76-0.92]. CONCLUSIONS Our open-source DL algorithm achieved excellent agreement with expert CAD segmentations. However, transfer learning may be required to achieve accurate segmentations in the case of different plaque characteristics or machinery. KEY POINTS • Deep learning 3D U-net model for coronary segmentation achieves comparable results with expert readers' volumetric plaque quantification. • Transfer learning may be needed to achieve similar results for other scanner and plaque characteristics. • The developed deep learning algorithm is open-source and may be implemented in any CT analysis software.
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Affiliation(s)
- Natasa Jávorszky
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Városmajor str., Budapest, 1122, Hungary
| | - Bálint Homonnay
- Hyperplane Szoftverfejlesző Ltd., 15/d Bartók Béla str., Budapest, 1114, Hungary
| | - Gary Gerstenblith
- Department of Medicine, Johns Hopkins University School of Medicine, 733 N Broadway, Baltimore, MD, 21205, USA
| | - David Bluemke
- University of Wisconsin School of Medicine and Public Health, 750 Highland Ave, Madison, WI, 53726, USA
| | - Péter Kiss
- Centre for Discrete Mathematics and its Applications, University of Warwick, 6 Lord Bhattacharyya Way, Coventry, CV4 7EZ, UK
| | - Mihály Török
- Lain Consulting Ltd., 2/c Kék Golyó str., Budapest, 1123, Hungary
| | - David Celentano
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, 614 Wolfe N Wolfe St., Baltimore, MD, 21205, USA
| | - Hong Lai
- Department of Radiology, Johns Hopkins University School of Medicine, 601 N Caroline St, Baltimore, MD, 21205, USA.,Institute of Human Virology, University of Maryland School of Medicine, 725 West Lombard St, Baltimore, MD, 21201, USA
| | - Shenghan Lai
- Department of Medicine, Johns Hopkins University School of Medicine, 733 N Broadway, Baltimore, MD, 21205, USA. .,Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, 614 Wolfe N Wolfe St., Baltimore, MD, 21205, USA. .,Department of Radiology, Johns Hopkins University School of Medicine, 601 N Caroline St, Baltimore, MD, 21205, USA. .,Institute of Human Virology, University of Maryland School of Medicine, 725 West Lombard St, Baltimore, MD, 21201, USA.
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Városmajor str., Budapest, 1122, Hungary.,Department of Pathology, Johns Hopkins University School of Medicine, 600 N Wolfe St, Baltimore, MD, 21287, USA
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13
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Drobni ZD, Kolossvary M, Karady J, Jermendy AL, Tarnoki AD, Tarnoki DL, Simon J, Szilveszter B, Littvay L, Voros S, Jermendy G, Merkely B, Maurovich-Horvat P. Heritability of Coronary Artery Disease: Insights From a Classical Twin Study. Circ Cardiovasc Imaging 2022; 15:e013348. [PMID: 35290075 PMCID: PMC8925867 DOI: 10.1161/circimaging.121.013348] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Genetics have a strong influence on calcified atherosclerotic plaques; however, data regarding the heritability of noncalcified plaque volume are scarce. We aimed to evaluate genetic versus environmental influences on calcium (coronary artery calcification) score, noncalcified and calcified plaque volumes by coronary computed tomography angiography in adult twin pairs without known coronary artery disease. METHODS In the prospective BUDAPEST-GLOBAL (Burden of Atherosclerotic Plaques Study in Twins-Genetic Loci and the Burden of Atherosclerotic Lesions) classical twin study, we analyzed twin pairs without known coronary artery disease. All twins underwent coronary computed tomography angiography to assess coronary atherosclerotic plaque volumes. Structural equation models were used to quantify the contribution of additive genetic, common environmental, and unique environmental components to plaque volumes adjusted for age, gender, or atherosclerotic cardiovascular disease risk estimate and statin use. RESULTS We included 196 twins (mean age±SD, 56±9 years, 63.3% females), 120 monozygotic and 76 same-gender dizygotic pairs. Using structural equation models, noncalcified plaque volume was predominantly determined by environmental factors (common environment, 63% [95% CI, 56%-67%], unique environment, 37% [95% CI, 33%-44%]), while coronary artery calcification score and calcified plaque volumes had a relatively strong genetic heritability (additive genetic, 58% [95% CI, 50%-66%]; unique environmental, 42% [95% CI, 34%-50%] and additive genetic, 78% [95% CI, 73%-80%]; unique environmental, 22% [95% CI, 20%-27%]), respectively. CONCLUSIONS Noncalcified plaque volume is mainly influenced by shared environmental factors, whereas coronary artery calcification score and calcified plaque volume are more determined by genetics. These findings emphasize the importance of early lifestyle interventions in preventing coronary plaque formation. REGISTRATION URL: https://www. CLINICALTRIALS gov; Unique identifier: NCT01738828.
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Affiliation(s)
- Zsofia D Drobni
- MTA-SE Cardiovascular Imaging Research Group, (Z.D.D., M.K., J.K., A.L.J., J.S., B.S., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - Marton Kolossvary
- Cardiovascular Imaging Research Center, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA (M.K., J.K.)
| | - Julia Karady
- Cardiovascular Imaging Research Center, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA (M.K., J.K.)
| | - Adam L Jermendy
- MTA-SE Cardiovascular Imaging Research Group, (Z.D.D., M.K., J.K., A.L.J., J.S., B.S., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - Adam D Tarnoki
- Department of Radiology, Medical Imaging Centre (A.D.T., D.L.T., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - David L Tarnoki
- Department of Radiology, Medical Imaging Centre (A.D.T., D.L.T., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, (Z.D.D., M.K., J.K., A.L.J., J.S., B.S., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - Balint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, (Z.D.D., M.K., J.K., A.L.J., J.S., B.S., P.M.-H.), Semmelweis University, Budapest, Hungary
| | - Levente Littvay
- Department of Political Science, Central European University, Budapest, Hungary (L.L.)
| | | | | | - Bela Merkely
- Heart and Vascular Center (B.M.), Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Pal Maurovich-Horvat
- Department of Radiology, Medical Imaging Centre (A.D.T., D.L.T., P.M.-H.), Semmelweis University, Budapest, Hungary
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14
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Simon J, Herczeg S, Borzsák S, Csőre J, Kardos AS, Mérges G, Zsarnóczay E, Szegedi N, Boussoussou M, Vattay B, Kolossváry M, Szilveszter B, Gellér L, Merkely B, Maurovich-Horvat P. Extracardiac findings on cardiac computed tomography in patients undergoing atrial fibrillation catheter ablation. IMAGING 2022. [DOI: 10.1556/1647.2022.00057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Abstract Background and AimTo assess the prevalence of incidental extracardiac findings in patients who underwent cardiac CT for the evaluation of left atrial (LA) anatomy before atrial fibrillation (AF) catheter ablation. We also aimed to determine the independent predictors of relevant extracardiac alterations.Patients and MethodsWe studied consecutive patients who underwent cardiac CT with a 256-slice scanner for the visualization of LA anatomy before AF ablation. Prevalence of clinically significant and not significant extracardiac findings were recorded. Moreover, we determined the variables associated with relevant extracardiac alterations with uni- and multivariate logistic regression analyses.ResultsIn total, 1,952 consecutive patients who underwent cardiac CT examination between 2010 and 2020 were included in our study (mean age 61.2±10.6 years; 66.2% male). Incidental extracardiac findings were detected in 820 (42.0%; 95%CI=0.40-0.44%) patients, while clinically significant alterations were reported in 416 (21.3%; 95%CI=20.0-23.2%) patients. When analyzing the predictors of clinically relevant alterations, age (OR=1.04; 95%CI=1.03- 1.05), male sex (OR=1.39; 95%CI=1.12-1.73), chest pain (OR=1.46; 95%CI=1.09-1.93), hypertension (OR=1.42; 95%CI=1.12-1.81), heart failure (OR=1.68; 95%CI=1.09-2.53), obstructive CAD (OR=1.56; 95%CI=1.16-2.09) and prior stroke/TIA (OR=1.56; 95%CI=1.04- 2.30) showed association with clinically significant incidental findings in the univariate analysis (all p<0.05). In the multivariate analysis, age (OR=1.04; 95%CI=1.02-1.06; p<0.001) proved to be the only significant predictor of clinically relevant extracardiac finding.ConclusionCardiac CT performed before AF ablation is not only helpful in understanding LA anatomy, but might also identify clinically significant pathologies. These incidental findings might have further diagnostic or therapeutic consequences.
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Affiliation(s)
- Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
- Medical Imaging Centre, Semmelweis University, 2 Korányi Sándor Street, 1083, Budapest, Hungary
| | - Szilvia Herczeg
- Heart and Vascular Center, Semmelweis University, 68 Városmajor Street, 1122, Budapest, Hungary
| | - Sarolta Borzsák
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Judit Csőre
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Anna Sára Kardos
- Medical Imaging Centre, Semmelweis University, 2 Korányi Sándor Street, 1083, Budapest, Hungary
| | - Gergely Mérges
- Heart and Vascular Center, Semmelweis University, 68 Városmajor Street, 1122, Budapest, Hungary
| | - Emese Zsarnóczay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
- Medical Imaging Centre, Semmelweis University, 2 Korányi Sándor Street, 1083, Budapest, Hungary
| | - Nándor Szegedi
- Heart and Vascular Center, Semmelweis University, 68 Városmajor Street, 1122, Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - László Gellér
- Heart and Vascular Center, Semmelweis University, 68 Városmajor Street, 1122, Budapest, Hungary
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 18 Határőr Street, 1122, Budapest, Hungary
- Medical Imaging Centre, Semmelweis University, 2 Korányi Sándor Street, 1083, Budapest, Hungary
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15
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Vecsey-Nagy M, Szilveszter B, Kolossváry M, Boussoussou M, Vattay B, Gonda X, Rihmer Z, Merkely B, Maurovich-Horvat P, Nemcsik J. Association between affective temperaments and severe coronary artery disease. J Affect Disord 2021; 295:914-919. [PMID: 34706462 DOI: 10.1016/j.jad.2021.08.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 07/30/2021] [Accepted: 08/25/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Affective temperaments are regarded as subclinical manifestations of major mood disorders and cumulating evidence suggest their role in cardiovascular (CV) pathology. We wished to analyze associations between affective temperaments and severe coronary artery disease (CAD), as assessed by coronary computed tomography angiography (CCTA). METHODS 225 consecutive patients referred to CCTA due to suspected CAD were included. Medical history and demographic parameters were recorded and all patients completed the Temperament Evaluation of Memphis, Pisa, Paris, and San Diego Autoquestionnaire (TEMPS-A). The severity and extent of CAD was evaluated by CCTA. Logistic regression analysis was used to identify predictors of severe CAD (≥70% luminal stenosis in ≥1 major coronary artery). RESULTS According to multivariate logistic regression analysis, elevated hyperthymic affective temperament scores significantly decreased the odds of severe CAD (OR=0.92 CI: 0.84-1.00, p = 0.04), while independent positive associations were observed in case of dyslipidemia (OR=4.23 CI: 1.81-9.88, p = 0.001) and cyclothymic affective temperament scores (OR=1.12 CI: 1.02-1.23, p = 0.02). Furthermore, receiver operating curve (ROC) analysis was used to define ideal cutoff values. Hyperthymic temperament scores >11 (OR=0.41 CI: 0.19-0.90, p = 0.03), cyclothymic scores >7 (OR=3.23 CI: 1.35-7.76, p = 0.01) and irritable scores >6 (OR=2.79 CI: 1.17-6.69, p = 0.02) were also independently associated with severe CAD. LIMITATIONS Our study was limited by the cross-sectional design and the self-report nature of the questionnaires. CONCLUSIONS Evaluation of affective temperaments might help to identify patients with elevated risk for severe CAD and subsequent need for coronary intervention.
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Affiliation(s)
- Milán Vecsey-Nagy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary.
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Xenia Gonda
- NAP-2-SE New Antidepressant Target Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary; Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary; MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Budapest, Hungary
| | - Zoltán Rihmer
- Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary; Nyírő Gyula National Institute of Psychiatry and Addictions, Budapest, Hungary
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary; Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - János Nemcsik
- Department of Family Medicine, Semmelweis University, Budapest, Hungary; Health Service of Zugló (ZESZ), Budapest, Hungary
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16
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Vecsey-Nagy M, Jermendy ÁL, Suhai FI, Panajotu A, Csőre J, Borzsák S, Fontanini DM, Kolossváry M, Vattay B, Boussoussou M, Csobay-Novák C, Merkely B, Maurovich-Horvat P, Szilveszter B. Model-based adaptive filter for a dedicated cardiovascular CT scanner: Assessment of image noise, sharpness and quality. Eur J Radiol 2021; 145:110032. [PMID: 34800835 DOI: 10.1016/j.ejrad.2021.110032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 10/29/2021] [Accepted: 11/12/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Filtered back projection (FBP) and adaptive statistical iterative reconstruction (ASIR) are ubiquitously applied in the reconstruction of coronary CT angiography (CCTA) datasets. However, currently no data is available on the impact of a model-based adaptive filter (MBAF2), recently developed for a dedicated cardiac scanner. PURPOSE Our aim was to determine the effect of MBAF2 on subjective and objective image quality parameters of coronary arteries on CCTA. METHODS Images of 102 consecutive patients referred for CCTA were evaluated. Four reconstructions of coronary images (FBP, ASIR, MBAF2, ASIR + MBAF2) were co-registered and cross-section were assessed for qualitative (graininess, sharpness, overall image quality) and quantitative [image noise, signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR)] image quality parameters. Image noise and signal were measured in the aortic root and the left main coronary artery, respectively. Graininess, sharpness, and overall image quality was assessed on a 4-point Likert scale. RESULTS As compared to FBP, ASIR, and MBAF2, ASIR + MBAF2 resulted in reduced image noise [53.1 ± 12.3, 30.6 ± 8.5, 36.3 ± 4.2, 26.3 ± 4.0 Hounsfield units (HU), respectively; p < 0.001], improved SNR (8.4 ± 2.6, 14.1 ± 3.6, 11.8 ± 2.3, 16.3 ± 3.3 HU, respectively; p < 0.001) and CNR (9.4 ± 2.7, 15.9 ± 4.0, 13.3 ± 2.5, 18.3 ± 3.5 HU, respectively; p < 0.001). No difference in sharpness was observed amongst the reconstructions (p = 0.08). Although ASIR + MBAF2 was non-superior to ASIR regarding overall image quality (p = 0.99), it performed better than FBP (p < 0.001) and MBAF2 (p < 0.001) alone. CONCLUSION The combination of ASIR and MBAF2 resulted in reduced image noise and improved SNR and CNR. The implementation of MBAF2 in clinical practice may result in improved noise reduction performance and could potentiate radiation dose reduction.
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Affiliation(s)
- Milán Vecsey-Nagy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary.
| | - Ádám Levente Jermendy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Ferenc Imre Suhai
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Alexisz Panajotu
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Judit Csőre
- Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Sarolta Borzsák
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | | | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Csaba Csobay-Novák
- Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary; Medical Imaging Centre, Semmelweis University, 78.a Ulloi av., 1082 Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68. Varosmajor st., 1122 Budapest, Hungary
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17
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Smit JM, Simon J, El Mahdiui M, Szaraz L, van Rosendael PJ, Kolassváry M, Szilveszter B, Delgado V, Merkely B, Maurovich-Horvat P, Bax JJ. Anatomical Characteristics of the Left Atrium and Left Atrial Appendage in Relation to the Risk of Stroke in Patients With Versus Without Atrial Fibrillation. Circ Arrhythm Electrophysiol 2021; 14:e009777. [PMID: 34279121 DOI: 10.1161/circep.121.009777] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Jeff M Smit
- Department of Cardiology, Leiden University Medical Center, the Netherlands (J.M.S., M.E.M., P.J.v.R., V.D., J.J.B.)
| | - Judit Simon
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Mohammed El Mahdiui
- Department of Cardiology, Leiden University Medical Center, the Netherlands (J.M.S., M.E.M., P.J.v.R., V.D., J.J.B.)
| | - Lili Szaraz
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Philippe J van Rosendael
- Department of Cardiology, Leiden University Medical Center, the Netherlands (J.M.S., M.E.M., P.J.v.R., V.D., J.J.B.)
| | - Márton Kolassváry
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Balint Szilveszter
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Victoria Delgado
- Department of Cardiology, Leiden University Medical Center, the Netherlands (J.M.S., M.E.M., P.J.v.R., V.D., J.J.B.)
| | - Béla Merkely
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- Cardiovascular Imaging Research Group, Heart and Vascular Center (J.S., L.S., M.K., B.S., B.M., P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary.,Department of Radiology (P.M.-H.), Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Jeroen J Bax
- Department of Cardiology, Leiden University Medical Center, the Netherlands (J.M.S., M.E.M., P.J.v.R., V.D., J.J.B.).,Heart Center, University of Turku, Turku University Hospital, Finland (J.J.B.)
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18
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Szegedi N, Vecsey-Nagy M, Simon J, Szilveszter B, Herczeg S, Kolossváry M, Idelbi H, Osztheimer I, Klaudia Nagy V, Tahin T, Széplaki G, Delgado V, Bax JJ, Maurovich-Horvat P, Merkely B, Gellér L. Orientation of the right superior pulmonary vein affects outcome after pulmonary vein isolation. Eur Heart J Cardiovasc Imaging 2021; 23:515-523. [PMID: 33693618 DOI: 10.1093/ehjci/jeab041] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/25/2021] [Indexed: 11/13/2022] Open
Abstract
AIMS Controversial results have been published regarding the influence of pulmonary vein (PV) anatomical variations on outcomes after pulmonary vein isolation (PVI). However, no data are available on the impact of PV orientation on the long-term success rates of point-by-point PVI. We sought to determine the impact of PV anatomy and orientation on atrial fibrillation (AF)-free survival in patients undergoing PVI using the radiofrequency point-by-point technique. METHODS AND RESULTS We retrospectively included 448 patients who underwent initial point-by-point radiofrequency ablation for AF at our department. Left atrial computed tomography angiography was performed before each procedure. PV anatomical variations, ostial parameters (area, effective diameter, and eccentricity), orientation, and their associations with 24-month AF-free survival were analysed. PV anatomical variations and ostial parameters were not predictive for AF-free survival (all P > 0.05). Univariate analysis showed that female sex (P = 0.025) was associated with higher rates of AF recurrence, ventral-caudal (P = 0.002), dorsal-cranial (P = 0.034), and dorsal-caudal (P = 0.042) orientation of the right superior PV (RSPV), on the other hand, showed an association with lower rates of AF recurrence, when compared with the reference ventral-cranial orientation. On multivariate analysis, both female sex [odds ratio (OR) 1.83, 95% CI 1.15-2.93, P = 0.011] and ventral-caudal RSPV orientation, compared with ventral-cranial orientation, proved to be independent predictors of 24-month AF recurrence (OR 0.37, 95% CI 0.19-0.71, P = 0.003). CONCLUSION Female sex and ventral-caudal RSPV orientation have an impact on long-term arrhythmia-free survival. Assessment of PV orientation may be a useful tool in predicting AF-free survival and may contribute to a more personalized management of AF.
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Affiliation(s)
- Nándor Szegedi
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Szilvia Herczeg
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Hana Idelbi
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - István Osztheimer
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Vivien Klaudia Nagy
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Tamás Tahin
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Gábor Széplaki
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Victoria Delgado
- Department of Cardiology, Leiden University Medical Center, 2 Albinusdreef, 2333 ZA Leiden, The Netherlands
| | - Jeroen J Bax
- Department of Cardiology, Leiden University Medical Center, 2 Albinusdreef, 2333 ZA Leiden, The Netherlands
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar.,Department of Radiology, Medical Imaging Center, Semmelweis University, 2 Koranyi Sandor Street, 1082 Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - László Gellér
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
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19
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Papp S, Bárczi G, Karády J, Kolossváry M, Drobni ZD, Simon J, Boussoussou M, Vattay B, Szilveszter B, Jermendy G, Merkely B, Maurovich-Horvat P. Coronary plaque burden of the left anterior descending artery in patients with or without myocardial bridge: A case-control study based on coronary CT-angiography. Int J Cardiol 2020; 327:231-235. [PMID: 33276021 DOI: 10.1016/j.ijcard.2020.11.052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/03/2020] [Accepted: 11/23/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND The clinical significance of myocardial bridging (MB) on the left anterior descending artery (LAD) is debated. We aimed to assess the association between MB and LAD plaque volumes/compositions in a case-control set up. METHODS In our retrospective analysis we investigated 50 cases with incidentally recognized LAD MB and 50 matched controls without LAD MB on coronary computed tomography angiography. We quantified plaque volumes proximal to the MB and beneath it in patients with MB and in the corresponding coronary segments in patients without MB. RESULTS In total, we have included 100 patients (mean age 60.6 ± 10.8 years, males: 80%). Plaque volume was similar in the LAD segments proximal to the MB in cases vs. controls (150.0 mm3 [IQR: 90.7-194.5 mm3] vs. 132.8 mm3 [IQR: 94.2-184.3 mm3], respectively; p = 0.95) while the plaque volume was smaller beneath LAD MB vs. control segment (16.2 mm3 [IQR: 12.6-25.8 mm3] vs. 21.1 mm3 [IQR: 14.0-42.4 mm3], respectively; p = 0.002). No significant differences were found regarding different plaque components in segments proximal to the MB while fatty plaque and necrotic core volumes were smaller or negligible in coronary segment beneath MB than in controls (0.07 mm3 [IQR: 0.005-0.27 mm3] vs. 12.7 mm3 [IQR: 7.4-24.4 mm3] and 0.00 mm3 [IQR: 0.00-0.04 mm3] vs. 0.06 mm3 [IQR: 0.03-2.8 mm3], respectively (p < 0.001). CONCLUSION Comparing patients with MB vs. matched controls without it, MB was not associated with increased plaque volumes in LAD segment proximal to MB and plaque quantity was smaller in the MB segment. Our data are supportive of benign nature of incidentally recognized LAD MB.
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Affiliation(s)
- Sára Papp
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - György Bárczi
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Júlia Karády
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Zsófia D Drobni
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - György Jermendy
- Medical Department, Bajcsy-Zsilinszky Hospital, Budapest, Hungary
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary; Department of Radiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary.
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Effect of vessel wall segmentation on volumetric and radiomic parameters of coronary plaques with adverse characteristics. J Cardiovasc Comput Tomogr 2020; 15:137-145. [PMID: 32868246 DOI: 10.1016/j.jcct.2020.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/07/2020] [Accepted: 08/03/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Quantitative coronary plaque parameters are increasingly being utilized as surrogate endpoints of pharmaceutical trials. However, little is known whether differences in segmentation significantly alter parameter values. METHODS Overall, 100 coronary plaques with adverse imaging characteristics were segmented automatically, by two experts (R1-R2) and three nonexperts (R3-R5). Low attenuation noncalcified (LANCP), noncalcified and calcified plaque volume were calculated and 4310 radiomic features were extracted. Intraclass correlation coefficient (ICC) values were calculated between the segmentations. RESULTS ICC values between expert readers were 0.84 [CI: 0.77-0.89] for total; 0.83 [CI: 0.76-0.88] for noncalcified; 0.96 [CI: 0.94-0.98] for calcified and 0.65 [CI: 0.51-0.75] for LANCP volumes. Comparing nonexperts' and experts' results, ICC ranged between 0.64 and 0.90 for total; 0.63-0.91 for noncalcified; 0.86-0.96 for calcified and 0.34-0.84 for LANCP volume. All readers (R1-R5) showed poor agreement with automatic segmentation (range: 0.00-0.27), except for calcified plaque volumes (range: 0.73-0.88). Regarding radiomic features, expert readers (R1-R2) achieved good reproducibility (ICC>0.80) in 88.6% (39/44) of first-order, 62.0% (424/684) of gray level co-occurrence matrix (GLCM), 75.8% (50/66) of gray level run length matrix (GLRLM) and 19.8% (696/3516) of geometrical parameters. Between experts and nonexperts, ICC ranged between: 70.5%-86.4% for first-order, 31.0%-58.3% for GLCM, 24.2%-78.8% for GLRLM and 6.2%-21.1% for geometrical features, while between all readers and automatic segmentation ICC ranged between: 25.0%-38.6%; 0.0%-0.0%; 0.0%-3.0% and 1.1%-1.4%, respectively. CONCLUSIONS Even among experts there is a considerable amount of disagreement in LANCP volumes. Nevertheless, expert readers have the best agreement which currently cannot be replaced with nonexperts' or automatic segmentation.
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Simon J, Száraz L, Szilveszter B, Panajotu A, Jermendy Á, Bartykowszki A, Boussoussou M, Vattay B, Drobni ZD, Merkely B, Maurovich-Horvat P, Kolossváry M. Calcium scoring: a personalized probability assessment predicts the need for additional or alternative testing to coronary CT angiography. Eur Radiol 2020; 30:5499-5506. [PMID: 32405749 PMCID: PMC7476992 DOI: 10.1007/s00330-020-06921-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/23/2020] [Accepted: 04/28/2020] [Indexed: 01/07/2023]
Abstract
Objective To assess whether anthropometrics, clinical risk factors, and coronary artery calcium score (CACS) can predict the need of further testing after coronary CT angiography (CTA) due to non-diagnostic image quality and/or the presence of significant stenosis. Methods Consecutive patients who underwent coronary CTA due to suspected coronary artery disease (CAD) were included in our retrospective analysis. We used multivariate logistic regression and receiver operating characteristics analysis containing anthropometric factors: body mass index, heart rate, and rhythm irregularity (model 1); and parameters used for pre-test likelihood estimation: age, sex, and type of angina (model 2); and also added total calcium score (model 3) to predict downstream testing. Results We analyzed 4120 (45.7% female, 57.9 ± 12.1 years) patients. Model 3 significantly outperformed models 1 and 2 (area under the curve, 0.84 [95% CI 0.83–0.86] vs. 0.56 [95% CI 0.54–0.58] and 0.72 [95% CI 0.70–0.74], p < 0.001). For patients with sinus rhythm of 50 bpm, in case of non-specific angina, CACS above 435, 756, and 944; in atypical angina CACS above 381, 702, and 890; and in typical angina CACS above 316, 636, and 824 correspond to 50%, 80%, and 90% probability of further testing, respectively. However, higher heart rates and arrhythmias significantly decrease these cutoffs (p < 0.001). Conclusion CACS significantly increases the ability to identify patients in whom deferral from coronary CTA may be advised as CTA does not lead to a final decision regarding CAD management. Our results provide individualized cutoff values for given probabilities of the need of additional testing, which may facilitate personalized decision-making to perform or defer coronary CTA. Key Points • Anthropometric parameters on their own are insufficient predictors of downstream testing. Adding parameters of the Diamond and Forrester pre-test likelihood test significantly increases the power of prediction. • Total CACS is the most important independent predictor to identify patients in whom coronary CTA may not be recommended as CTA does not lead to a final decision regarding CAD management. • We determined specific CACS cutoff values based on the probability of downstream testing by angina-, arrhythmia-, and heart rate–based groups of patients to help individualize patient management. Electronic supplementary material The online version of this article (10.1007/s00330-020-06921-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Lili Száraz
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Alexisz Panajotu
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Ádám Jermendy
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Andrea Bartykowszki
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Melinda Boussoussou
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Borbála Vattay
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Zsófia Dóra Drobni
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary.,Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary.
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Monica MP, Merkely B, Szilveszter B, Drobni ZD, Maurovich-Horvat P. Computed Tomographic Angiography for Risk Stratification in Patients with Acute Chest Pain - The Triple Rule-out Concept in the Emergency Department. Curr Med Imaging 2020; 16:98-110. [PMID: 32003310 DOI: 10.2174/1573405614666180604095120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 06/20/2017] [Accepted: 03/19/2018] [Indexed: 12/26/2022]
Abstract
BACKGROUND Acute chest pain is one of the most common reasons for Emergency Department (ED) visits and hospital admissions. As this could represent the first symptom of a lifethreatening condition, urgent identification of the etiology of chest pain is of utmost importance in emergency settings. Such high-risk conditions that can present with acute chest pain in the ED include Acute Coronary Syndromes (ACS), Pulmonary Embolisms (PE) and Acute Aortic Syndromes (AAS). DISCUSSION The concept of Triple Rule-out Computed Tomographic Angiography (TRO-CTA) for patients presenting with acute chest pain in the ED is based on the use of coronary computed tomographic angiography as a single imaging technique, able to diagnose or exclude three lifethreatening conditions in one single step: ACS, AAS and PE. TRO-CTA protocols have been proved to be efficient in the ED for diagnosis or exclusion of life-threatening conditions and for differentiation between various etiologies of chest pain, and application of the TRO-CTA protocol in the ED for acute chest pain of uncertain etiology has been shown to improve the further clinical evaluation and outcomes of these patients. CONCLUSION This review aims to summarize the main indications and techniques used in TRO protocols in EDs, and the role of TRO-CTA protocols in risk stratification of patients with acute chest pain.
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Affiliation(s)
- Marton-Popovici Monica
- Department of Internal Medicine and Critical Care, Swedish Medical Center, Edmonds, Washington, United States
| | - Béla Merkely
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Zsófia Dora Drobni
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
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Károlyi M, Kolossváry M, Bartykowszki A, Kocsmár I, Szilveszter B, Karády J, Merkely B, Maurovich-Horvat P. Quantitative CT assessment identifies more heart transplanted patients with progressive coronary wall thickening than standard clinical read. J Cardiovasc Comput Tomogr 2019; 13:128-133. [DOI: 10.1016/j.jcct.2018.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 11/02/2018] [Accepted: 11/15/2018] [Indexed: 10/27/2022]
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Kolossváry M, Szilveszter B, Karády J, Drobni ZD, Merkely B, Maurovich-Horvat P. Effect of image reconstruction algorithms on volumetric and radiomic parameters of coronary plaques. J Cardiovasc Comput Tomogr 2018; 13:325-330. [PMID: 30447949 DOI: 10.1016/j.jcct.2018.11.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/22/2018] [Accepted: 11/11/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Volumetric and radiomic analysis of atherosclerotic plaques on coronary CT angiography have been shown to predict high-risk plaque morphology and to predict patient outcomes. However, there is limited information whether image reconstruction algorithms and preprocessing steps (type of binning, number of bins used for discretization) may influence parameter values. METHODS We retrospectively identified 60 coronary lesions on coronary CT angiography (CTA). All images were reconstructed using filtered back projection (FBP), hybrid (HIR) and model-based (MIR) iterative reconstruction. Plaques were segmented manually on HIR images and copied to FBP and MIR images to ensure identical voxels were analyzed. Overall, 4 volumetric and 169 radiomic parameters were calculated. Intra-class correlation coefficient (ICC) was used to assess reproducibility between image reconstructions, while linear regression analysis was used to assess the effect of preprocessing steps done before calculating radiomic metrics. RESULTS All volumetric and radiomic metrics had ICC>0.90 except for first-order statistics: mode, harmonic mean, minimum (0.45, 0.76, 0.84; respectively) and gray level co-occurrence (GLCM) parameters: inverse difference sum and sum variance (0.01, 0.04; respectively). Among GLCM parameters 90% were significantly affected by the type of binning and 100% by the number of bins. In case of gray level run length matrix parameters 100% of metrics were affected by both preprocessing steps. CONCLUSIONS Volumetric and radiomic statistics are robust to image reconstruction algorithms. However, all radiomic variables were affected by preprocessing steps therefore, showing the need for standardization before being implemented into everyday clinical practice.
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Affiliation(s)
- Márton Kolossváry
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary.
| | - Bálint Szilveszter
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary
| | - Júlia Karády
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary
| | - Zsófia Dóra Drobni
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary
| | - Béla Merkely
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary
| | - Pál Maurovich-Horvat
- Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, Budapest Hungary, 68. Varosmajor Street, 1122, Budapest, Hungary
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Image Quality of Prospectively ECG-Triggered Coronary CT Angiography in Heart Transplant Recipients. AJR Am J Roentgenol 2017; 210:314-319. [PMID: 29091000 DOI: 10.2214/ajr.17.18546] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Cardiac allograft vasculopathy (CAV) is among the top causes of death 1 year after heart transplantation (HTx). Coronary CT angiography (CTA) is a potential alternative to invasive imaging in the diagnosis of CAV. However, the higher heart rate (HR) of HTx recipients prompts the use of retrospective ECG-gating, which is associated with higher radiation dose, a major concern in this patient population. Therefore, we sought to evaluate the feasibility and image quality of low-radiation-dose prospectively ECG-triggered coronary CTA in HTx recipients. MATERIALS AND METHODS In total, 1270 coronary segments were evaluated in 50 HTx recipients and 50 matched control subjects who did not undergo HTx. The control subjects were selected from our clinical database and were matched for age, sex, body mass index, HR, and coronary dominance. Scans were performed using 256-MDCT with prospective ECG-triggering. The degree of motion artifacts was evaluated on a per-segment basis on a 4-point Likert-type scale. RESULTS The median HR was 74.0 beats/min (interquartile range [IQR], 67.8-79.3 beats/min) in the HTx group and 73.0 beats/min (IQR, 68.5-80.0 beats/min) in the matched control group (p = 0.58). In the HTx group, more segments had diagnostic image quality compared with the control group (624/662 [94.3%] vs 504/608 [82.9%]; p < 0.001). The mean effective radiation dose was low in both groups (3.7 mSv [IQR, 2.4-4.3 mSv] in the HTx group vs 4.3 mSv [IQR, 2.6-4.3 mSv] in the control group; p = 0.24). CONCLUSION Prospectively ECG-triggered coronary CTA examinations of HTx recipients yielded diagnostic image quality with low radiation dose. Coronary CTA is a promising noninvasive alternative to routine catheterization during follow-up of HTx recipients to diagnose CAV.
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