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Sorensen J. PET imaging of heart diseases by Acetate. Nucl Med Mol Imaging 2022. [DOI: 10.1016/b978-0-12-822960-6.00209-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Güvenç RÇ, Aruğaslan E, Güvenç TS, Karadeniz FÖ, Kaşıkçıoğlu H, Çam N. An Analysis of Myocardial Efficiency in Patients with Severe Asymptomatic Mitral Regurgitation. J Cardiovasc Imaging 2020; 28:267-278. [PMID: 33086443 PMCID: PMC7572264 DOI: 10.4250/jcvi.2020.0038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/31/2020] [Accepted: 06/23/2020] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND It is difficult to determine left ventricular systolic performance in patients with severe mitral regurgitation (MR) since left ventricular ejection fraction (EF) could be preserved until the end stages of the disease. Myocardial efficiency (MEf) describes the amount of external work (EW) done by the left ventricle per unit of oxygen consumed (mVO2). In the present study, we aimed to investigate MEf in patients with asymptomatic severe MR using a novel echocardiographic method. METHODS A total of 27 patients with severe asymptomatic MR and 26 healthy volunteers were included in this cross-sectional study. EW was measured using stroke volume and blood pressure, while mVO2 was estimated using double product and left ventricular mass. RESULTS There were no differences between the groups with regards to EF (66% ± 5% vs. 69% ± 7%), while MEf was significantly reduced in patients with severe MR (25% ± 11% vs. 44% ± 12%, p < 0.001). This difference was maintained even after adjustment for age, gender and body surface area (adjusted x-: 0.44, 95% CI: 0.39–0.49 for controls and adjusted x-: 0.24, 95% CI: 0.19–0.29 for patients with severe MR). Further analysis showed that this reduction was due to an increase in total mVO2 in the severe MR group. MEf of thepatients who were both on β-blockers and angiotensin converting enzyme inhibitors/angiotensin receptor blockers were higher than those who were not on any drugs, but this difference was not statistically significant (32% ± 15% vs. 23% ± 9%, p = 0.41). CONCLUSIONS MEf was significantly lower in patients with asymptomatic severe MR and preserved EF.
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Affiliation(s)
- Rengin Çetin Güvenç
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
| | - Emre Aruğaslan
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
| | - Tolga Sinan Güvenç
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey.
| | - Fatma Özpamuk Karadeniz
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
| | - Hülya Kaşıkçıoğlu
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
| | - Neşe Çam
- Division of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
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Relationship between myocardial energy expenditure and postoperative ejection fraction in patients with severe mitral regurgitation. Anatol J Cardiol 2020; 24:254-259. [PMID: 33001042 PMCID: PMC7585961 DOI: 10.14744/anatoljcardiol.2020.03835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Objective: This prospective study aimed to investigate the myocardial energy metabolism in severe mitral regurgitation (MR) and explore its effect on postoperative differentiation of ejection fraction (EF). Methods: A total of 85 patients with severe MR were prospectively enrolled from October 2018 to June 2019. During the study period, a total of 50 patients underwent mitral valve surgery and 49 patients were finally enrolled due to 1 missing data. Left ventricular function, circumferential end-systolic stress (cESS), and myocardial energy expenditure (MEE) were measured by transthoracic echocardiography preoperatively and 3 months after surgery. Patients were divided into 2 groups according to absolute difference of postoperative differentiation of EF. Results: Nine patients underwent mitral valve repair and 40 underwent prosthetic valve replacement. Patients with reduced EF had higher MEE demonstrated with cESS and MEE. Negative correlation between preoperative EF and N-terminal pro-brain natriuretic peptide (NT-proBNP), cESS, MEEs, and MEEm and positive correlation between preoperative EF and effective regurgitant orifice area were found. Complications occurred in 12 patients during hospitalization. Basal NT-proBNP, left atrium (LA), and cESS were significantly higher in postoperatively decreased EF group. Taking into consideration the covariates of multiple logistic regression analysis, LA and cESS were found to be independent predictors of EF reduction postoperatively. Conclusion: Higher LA and cESS are independent predictors of postoperative EF reduction. Preoperative high end-systolic stress could predict postoperative EF reduction and hence could be helpful for determining the timing of mitral valve surgery. Although MEE was higher in postoperatively decreased EF group, it did not reach statistical significance.
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Hwang IC. Myocardial Efficiency: A Reliable Load-independent Parameter of Cardiac Performance? J Cardiovasc Imaging 2020; 28:279-282. [PMID: 33086444 PMCID: PMC7572257 DOI: 10.4250/jcvi.2020.0118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 07/29/2020] [Indexed: 11/22/2022] Open
Affiliation(s)
- In Chang Hwang
- Department of Cardiology, Cardiovascular Center, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
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Sörensen J, Harms HJ, Aalen JM, Baron T, Smiseth OA, Flachskampf FA. Myocardial Efficiency: A Fundamental Physiological Concept on the Verge of Clinical Impact. JACC Cardiovasc Imaging 2019; 13:1564-1576. [PMID: 31864979 DOI: 10.1016/j.jcmg.2019.08.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/26/2019] [Accepted: 08/21/2019] [Indexed: 02/08/2023]
Abstract
Myocardial external efficiency is the relation of mechanical energy generated by the left (or right) ventricle to the consumed chemical energy from aerobic metabolism. Efficiency can be calculated invasively, and, more importantly, noninvasively by using positron emission tomography, providing a single parameter by which to judge the adequacy of myocardial metabolism to generated mechanical output. This parameter has been found to be impaired in heart failure of myocardial or valvular etiology, and it changes in a characteristic manner with medical or interventional cardiac therapy. The authors discuss the concept, strengths, and limitations, known applications, and future perspectives of the use of myocardial efficiency.
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Affiliation(s)
- Jens Sörensen
- Department of Nuclear Medicine and PET, Surgical Sciences, Uppsala University, Sweden; Department of Nuclear Medicine and PET, Clinical Institute, Aarhus University, Aarhus, Denmark
| | - Hendrik Johannes Harms
- Department of Nuclear Medicine and PET, Clinical Institute, Aarhus University, Aarhus, Denmark
| | - John M Aalen
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; Center for Cardiological Innovation, Oslo University Hospital, Oslo, Norway; Department of Cardiology, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Department of Clinical Physiology, Akademiska University Hospital, Uppsala, Sweden
| | - Tomasz Baron
- Department of Medical Sciences, Uppsala University and Akademiska Hospital, Uppsala, Sweden; Department of Radiology, Uppsala University and Akademiska Hospital, Uppsala, Sweden; Department of Cardiology, Uppsala University and Akademiska Hospital, Uppsala, Sweden
| | - Otto Armin Smiseth
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; Center for Cardiological Innovation, Oslo University Hospital, Oslo, Norway; Department of Cardiology, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Department of Radiology, Uppsala University and Akademiska Hospital, Uppsala, Sweden
| | - Frank A Flachskampf
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Department of Clinical Physiology, Akademiska University Hospital, Uppsala, Sweden.
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Yang Y, Yam Y, Chen L, Aljizeeri A, Aliyary Ghraboghly S, Al-Harbi I, Pen A, Ruddy TD, Chow BJW. Assessment of left ventricular ejection fraction using low radiation dose computed tomography. J Nucl Cardiol 2016; 23:414-21. [PMID: 26002814 DOI: 10.1007/s12350-015-0123-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 03/09/2015] [Indexed: 11/26/2022]
Abstract
BACKGROUND Cardiac CT is a non-invasive modality with the ability to estimate LVEF. However, given its limited temporal resolution and radiation, there has been initial resistance to use CT to measure LVEF. Developing an accurate, fast, low radiation dose protocol is desirable. OBJECTIVE The objective of this study is to demonstrate that a 'low radiation dose' 64 slice cardiac computed tomography (CT) protocol is feasible and can accurately measure left ventricular ejection fraction (LVEF) while delivering a radiation dose lower than radionuclide angiography (RNA). METHODS Patients undergoing RNA were prospectively screened and enrolled to undergo a 'low-dose' 64 slice CT LVEF protocol. LVEF measures, duration of each study and radiation dose between CT and RNA were compared. RESULTS A total of 77 patients (mean age = 61.8 ± 12.2 years and 58 men) were analyzed. The mean LVEF measured by CT and RNA were 41.9 ± 15.2% and 39.4 ± 13.9%, respectively, (P = 0.154) with a good correlation (r = 0.863). Bland-Altman plot revealed a good agreement between the CT and RNA LVEF (mean difference of -2.4). There was good agreement between CT LVEF and RNA for identifying patients with LVEF ≤30% (kappa = 0.693) and LVEF ≥50% (kappa = 0.749). The mean dose estimated effective dose for CT and RNA were 4.7 ± 1.6 and 9.5 ± 1.0 mSv, respectively. The mean CT LVEF imaging duration (4:32 ± 3:05 minutes) was significantly shorter than the RNA image acquisition time (9:05 ± 2:36 minutes; p < 0.001). CONCLUSION The results of our study suggest that low-dose CT LVEF protocol is feasible, accurate, and fast while delivering a lower radiation dose than traditional RNA.
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Affiliation(s)
- YiQi Yang
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Yeung Yam
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Li Chen
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Canada
| | - Ahmed Aljizeeri
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Siamak Aliyary Ghraboghly
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Ibraheem Al-Harbi
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Ally Pen
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Terrence D Ruddy
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
- Department of Radiology, University of Ottawa, Ottawa, Canada
| | - Benjamin J W Chow
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada.
- Department of Radiology, University of Ottawa, Ottawa, Canada.
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Yang Y, Yam Y, Chen L, Aljizeeri A, Aliyary Ghraboghly S, Al-Harbi I, Pen A, Ruddy TD, Chow BJW. Erratum to: Assessment of left ventricular ejection fraction using low radiation dose computed tomography. J Nucl Cardiol 2016; 23:422. [PMID: 26092631 DOI: 10.1007/s12350-015-0211-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- YiQi Yang
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Yeung Yam
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Li Chen
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Canada
| | - Ahmed Aljizeeri
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Siamak Aliyary Ghraboghly
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Ibraheem Al-Harbi
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
- Department of Medicine (Cardiology), King Fahad Hospital, Medina, Saudi Arabia
| | - Ally Pen
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
| | - Terrence D Ruddy
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada
- Department of Radiology, University of Ottawa, Ottawa, Canada
| | - Benjamin J W Chow
- Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada.
- Department of Radiology, University of Ottawa, Ottawa, Canada.
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Masuda A, Yoshinaga K, Naya M, Manabe O, Yamada S, Iwano H, Okada T, Katoh C, Takeishi Y, Tsutsui H, Tamaki N. Accelerated (99m)Tc-sestamibi clearance associated with mitochondrial dysfunction and regional left ventricular dysfunction in reperfused myocardium in patients with acute coronary syndrome. EJNMMI Res 2016; 6:41. [PMID: 27169534 PMCID: PMC4864798 DOI: 10.1186/s13550-016-0196-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 04/28/2016] [Indexed: 12/02/2022] Open
Abstract
Background Accelerated clearance of 99mtechnetium-sestamibi (MIBI) has been observed after reperfusion therapy in patients with acute coronary syndrome (ACS), but the mechanisms have not been fully investigated. MIBI retention may depend on mitochondrial function. The clearance rate of 11carbon-acetate reflects such mitochondrial functions as oxidative metabolism. The purpose of this study was to examine the mechanisms of accelerated MIBI clearance in ACS. We therefore compared it to oxidative metabolism estimated using 11C-acetate positron emission tomography (PET). Methods Eighteen patients [mean age 69.2 ± 8.7 years, 10 males (56 %)] with reperfused ACS underwent MIBI single-photon emission computed tomography (SPECT), echocardiography, and 11C-acetate PET within 3 weeks of the onset of ACS. MIBI images were obtained 30 min and 3 h after MIBI administration. Regional left ventricular (LV) function was evaluated by echocardiography. The measurement of oxidative metabolism was obtained through the mono-exponential fitting of the 11C-acetate time-activity curve (kmono). Results Among 95 segments of reperfused myocardium, MIBI SPECT showed 64 normal segments (group N), 14 segments with accelerated MIBI clearance (group AC), and 17 segments with fixed defect (group F). Group AC showed lower kmono than group N (0.041 ± 0.009 vs 0.049 ± 0.010, p = 0.02). Group F showed lower kmono than group N (0.039 ± 0.012 vs 0.049 ± 0.010, p = 0.01). However, kmono was similar in group AC and group F (p = 0.99). Conclusions Segments with accelerated MIBI clearance showed reduced oxidative metabolism in ACS. Loss of MIBI retention may be associated with mitochondrial dysfunction.
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Affiliation(s)
- Atsuro Masuda
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan.,Department of Cardiology and Hematology, Fukushima Medical University, Fukushima, Japan
| | - Keiichiro Yoshinaga
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan. .,Molecular Imaging Research Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-Ku, Chiba, 263-8555, Japan.
| | - Masanao Naya
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Osamu Manabe
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Satoshi Yamada
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Hiroyuki Iwano
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Tatsuya Okada
- Department of Natural Sciences, Fukushima Medical University, Fukushima, Japan
| | - Chietsugu Katoh
- Department of Health Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Yasuchika Takeishi
- Department of Cardiology and Hematology, Fukushima Medical University, Fukushima, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Nagara Tamaki
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Slope in preload recruitable stroke work relationship predicts survival after left ventriculoplasty and mitral repair in patients with idiopathic cardiomyopathy. J Cardiol 2015; 65:157-63. [DOI: 10.1016/j.jjcc.2014.04.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 04/03/2014] [Accepted: 04/16/2014] [Indexed: 11/18/2022]
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Abstract
Metabolic imaging has a potential for better understanding of pathophysiology of heart failure. C-11 acetate is taken up by the heart, rapidly converted to acetylCoA and readily metabolized to C-11 CO2 through TCA cycle with oxidative phosphorylation. Thus, the myocardial turnover rate of this tracer is tightly correlated with its clearance of C-11 CO2, reflecting overall oxidative metabolism. The heart relies on aerobic oxidative substrate for the generation of ATP, which is required to maintain its contractile function. The progression to heart failure is associated with a gradual decline in the activity of mitochondrial respiratory pathways, leading to diminished capacity for ATP production. The work metabolic index can also be estimated by the combination of C-11 acetate PET and hemodynamics by echocardiography, the metabolic index is a significant marker to understand the pathophysiology of heart failure as well as myocardial oxidative metabolism.
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Affiliation(s)
- Masanao Naya
- Department of Cardiology, Hokkaido University School of Medicine, Sapporo, 060 Japan
| | - Nagara Tamaki
- Department of Nuclear MedicineHokkaido, University School of Medicine, Kita-15, Nishi-7, Kita-ku, 060 Japan
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Chiba S, Naya M, Iwano H, Yoshinaga K, Katoh C, Manabe O, Yamada S, Wakasa S, Kubota S, Matsui Y, Tamaki N, Tsutsui H. Interrelation between myocardial oxidative metabolism and diastolic function in patients undergoing surgical ventricular reconstruction. Eur J Nucl Med Mol Imaging 2012. [PMID: 23184309 DOI: 10.1007/s00259-012-2297-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE Diastolic function is impaired in patients with end-stage heart failure. Favorable structural changes by surgical ventricular reconstruction (SVR) are thought to improve diastolic function, however, previous studies reported the contradictory results. We hypothesized that cardiac oxidative metabolism and diastolic dysfunction might improve in parallel to the reduction of left ventricular chamber size after SVR. METHODS We studied 11 patients underwent SVR associated with mitral valve repair for end-stage heart failure due to dilated cardiomyopathy. Diastolic function was assessed by echocardiography and myocardial oxidative metabolism was measured by the monoexponential clearance (k-mono) of (11)C-acetate positron emission tomography at baseline and 1 month after SVR. RESULTS All patients had preoperative severe diastolic dysfunction [E/A 4.11 ± 1.18, deceleration time (DT) 134 ± 26 ms]. The study patients were divided into 2 groups according to the changes in diastolic function after SVR; unchanged or worsened diastolic function in 6 patients (55 %, Non-responder) and improved diastolic function in 5 (45 %, Responder). K-mono and wall stress decreased only in responder. The changes in k-mono before and after SVR correlated with those in deceleration time (r = -0.63; p < 0.05) and wall stress (r = 0.75; p < 0.01). CONCLUSIONS Improvement of diastolic dysfunction in patients with end-stage heart failure by SVR was in parallel to that in oxidative metabolism. It suggests that SVR reduced excessive metabolism during the diastolic phase, in part, via the improvement in diastolic function and the reduction in LV wall stress.
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Affiliation(s)
- Satoru Chiba
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
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Circulation: Cardiovascular Imaging
Editors’ Picks. Circ Cardiovasc Imaging 2012; 5:e39-51. [DOI: 10.1161/circimaging.112.978148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The following articles are being highlighted as part of
Circulation: Cardiovascular Imaging
’s Topic Review. This series summarize the most important articles, as selected by the editors, that have been published in the
Circulation
portfolio. The studies included in this article represent the most significant research in clinical translation of novel imaging technologies.
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Circulation: Cardiovascular Imaging
Editors' Picks. Circ Cardiovasc Imaging 2011. [DOI: 10.1161/circimaging.111.968867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The following articles are being highlighted as part of
Circulation: Cardiovascular Imaging's
Topic Review. This series summarizes the most important articles, as selected by the editors, that have published in the
Circulation
portfolio. The studies included in this article represent the most significant research in the area of structural heart disease, cardiac function, aortic disease, and molecular imaging.
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Bonow RO. Surgical ventricular reconstruction for heart failure: is there life after STICH? JACC Cardiovasc Imaging 2011; 4:771-3. [PMID: 21757168 DOI: 10.1016/j.jcmg.2011.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Accepted: 06/01/2011] [Indexed: 10/18/2022]
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Effects of Surgical Ventricular Reconstruction and Mitral Complex Reconstruction on Cardiac Oxidative Metabolism and Efficiency in Nonischemic and Ischemic Dilated Cardiomyopathy. JACC Cardiovasc Imaging 2011; 4:762-70. [DOI: 10.1016/j.jcmg.2011.04.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2011] [Revised: 03/31/2011] [Accepted: 04/21/2011] [Indexed: 11/18/2022]
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