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Sauter R, Lin C, Magunia H, Schreieck J, Dürschmied D, Gawaz M, Patzelt J, Langer HF. Improved mid-term stability of MR reduction with an increased number of clips after percutaneous mitral valve repair in functional MR. Int J Cardiol Heart Vasc 2023; 45:101190. [PMID: 36941997 PMCID: PMC10024191 DOI: 10.1016/j.ijcha.2023.101190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 02/22/2023] [Indexed: 03/12/2023]
Abstract
Background Percutaneous mitral valve repair (PMVR) has evolved to be a standard procedure in suitable patients with mitral regurgitation (MR) not accessible for open surgery. Here, we analyzed the influence of the number and positioning of the clips implanted during the procedure on MR reduction analyzing also sub-collectives of functional and degenerative MR (DMR). Results We included 410 patients with severe MR undergoing PMVR using the MitraClip® System. MR and reduction of MR were analyzed by TEE at the beginning and at the end of the PMVR procedure. To specify the clip localization, we sub-divided segment 2 into 3 sub-segments using the segmental classification of the mitral valve. Results We found an enhanced reduction of MR predominantly in DMR patients who received more than one clip. Implantation of only one clip led to a higher MR reduction in patients with functional MR (FMR) in comparison to patients with DMR. No significant differences concerning pressure gradients could be observed in degenerative MR patients regardless of the number of clips implanted. A deterioration of half a grade of the achieved MR reduction was observed 6 months post-PMVR independent of the number of implanted clips with a better stability in FMR patients, who got 3 clips compared to patients with only one clip. Conclusions In patients with FMR, after 6 months the reduction of MR was more stable with an increased number of implanted clips, which suggests that this specific patient collective may benefit from a higher number of clips.
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Key Words
- CO, cardiac output
- COe, cardiac output echocardiographically determinded by combination of TTE and TEE parameters
- COi, invasively determined cardiac output
- Clips
- DMR, degenerative mitral regurgitation
- EDV, end-diastolic volume
- EF, ejection fraction
- ESV, end-systolic volume
- Echocardiography
- FMR, functional mitral regurgitation
- Heart failure
- Heart geometry
- Hemodynamics
- ICE, intracardiac echocardiography
- IVUS, intravascular ultrasound
- Interventional cardiology
- Interventional therapy
- LA, left atrium
- LV, left ventricle
- LVEDD, left ventricular end diastolic diameter
- MR, mitral regurgitation
- MRI, magnetic resonance imaging
- Mitral regurgitation
- NYHA, New York heart association
- PA, pulmonary artery
- PAP, pulmonary artery pressure
- PASP, pulmonary artery systolic pressure
- PCW, pulmonary capillary wedge
- PCWP, pulmonary capillary wedge pressure
- PHT, pulmonary hypertension
- PMVR
- PMVR, percutaneous mitral valve repair
- RV, right ventricle
- SD, standard deviation
- Structural heart disease
- Surgery
- TAVI, transcatheter aortic valve implantation
- TEE, transesophageal echocardiography
- TTE, transthoracic echocardiography
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Affiliation(s)
- Reinhard Sauter
- Cardiology, Medical Intensive Care, Angiology and Haemostaseology, University Medical Centre Mannheim, Mannheim, Germany
- University Hospital, Department of Cardiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Chaolan Lin
- University Hospital, Department of Cardiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Harry Magunia
- University Hospital, Department of Anaesthesiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Juergen Schreieck
- University Hospital, Department of Anaesthesiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Daniel Dürschmied
- Cardiology, Medical Intensive Care, Angiology and Haemostaseology, University Medical Centre Mannheim, Mannheim, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Mannheim/Heidelberg, Germany
| | - Meinrad Gawaz
- University Hospital, Department of Cardiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Johannes Patzelt
- University Hospital, Department of Cardiology, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Harald F. Langer
- Cardiology, Medical Intensive Care, Angiology and Haemostaseology, University Medical Centre Mannheim, Mannheim, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Mannheim/Heidelberg, Germany
- Corresponding author at: Cardiology, Medical Intensive Care, Angiology and Haemostaseology, University Medical Centre Mannheim, 68167 Mannheim, Germany.
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Schneider SM, Kochar K, Ruge M, Marek-Iannucci S, Datta T, Hajduczok A, Ullah W, Rajapreyar I, Brailovsky Y. Cardiogenic Shock Due to Atrial Arrhythmia as the Initial Presentation of Transthyretin Cardiac Amyloidosis. JACC Case Rep 2022; 4:1490-1495. [PMID: 36444185 PMCID: PMC9700062 DOI: 10.1016/j.jaccas.2022.07.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/12/2022] [Accepted: 07/19/2022] [Indexed: 06/16/2023]
Abstract
Atrial arrhythmias are common in transthyretin cardiac amyloidosis (ATTR-CA), with a prevalence of ≤80%. They are often not well tolerated. We describe 3 patients with decompensated heart failure and cardiogenic shock precipitated by atrial arrhythmias who ultimately received diagnoses of ATTR-CA. (Level of Difficulty: Intermediate.).
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Affiliation(s)
- Svenja M. Schneider
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Kirpal Kochar
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Max Ruge
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Stefanie Marek-Iannucci
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Tanuka Datta
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Alexander Hajduczok
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Waqas Ullah
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Indranee Rajapreyar
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Yevgeniy Brailovsky
- Division of Cardiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
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3
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Zhou AL, Etchill EW, Shou BL, Whitbread JJ, Barbur I, Giuliano KA, Kilic A. Outcomes after heart transplantation in patients who have undergone a bridge-to-bridge strategy. JTCVS Open 2022; 12:255-268. [PMID: 36590736 PMCID: PMC9801290 DOI: 10.1016/j.xjon.2022.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 08/13/2022] [Accepted: 08/29/2022] [Indexed: 01/04/2023]
Abstract
Objectives We compared posttransplant outcomes between patients bridged from temporary mechanical circulatory support to durable left ventricular assist device before transplant (bridge-to-bridge [BTB] strategy) and patients bridged from temporary mechanical circulatory support directly to transplant (bridge-to-transplant [BTT] strategy). Methods We identified adult heart transplant recipients in the Organ Procurement and Transplantation Network database between 2005 and 2020 who were supported with extracorporeal membrane oxygenation, intra-aortic balloon pump, or temporary ventricular assist device as a BTB or BTT strategy. Kaplan-Meier survival analysis and Cox regressions were used to assess 1-year, 5-year, and 10-year survival. Posttransplant length of stay and complications were compared as secondary outcomes. Results In total, 201 extracorporeal membrane oxygenation (61 BTB, 140 BTT), 1385 intra-aortic balloon pump (460 BTB, 925 BTT), and 234 temporary ventricular assist device (75 BTB, 159 BTT) patients were identified. For patients supported with extracorporeal membrane oxygenation, intra-aortic balloon pump, or temporary ventricular assist device, there were no differences in survival between BTB and BTT at 1 and 5 years posttransplant, as well as 10 years posttransplant even after adjusting for baseline characteristics. The extracorporeal membrane oxygenation BTB group had greater rates of acute rejection (32.8% vs 13.6%; P = .002) and lower rates of dialysis (1.6% vs 21.4%; P < .001). For intra-aortic balloon pump and temporary ventricular assist device patients, there were no differences in posttransplant length of stay, acute rejection, airway compromise, stroke, dialysis, or pacemaker insertion between BTB and BTT recipients. Conclusions BTB patients have similar short- and midterm posttransplant survival as BTT patients. Future studies should continue to investigate the tradeoff between prolonged temporary mechanical circulatory support versus transitioning to durable mechanical circulatory support.
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Key Words
- BTB, bridge-to-bridge
- BTT, bridge-to-transplant
- CO, cardiac output
- ECMO, extracorporeal membrane oxygenation
- IABP, intra-aortic balloon pump
- LVAD, left ventricular assist device
- MCS, mechanical circulatory support
- OPTN, Organ Procurement and Transplantation Network
- PA, pulmonary artery
- PCWP, pulmonary capillary wedge pressure
- TAH, total artificial heart
- UNOS, United Network for Organ Sharing
- extracorporeal membrane oxygenation
- heart transplant
- intra-aortic balloon pump
- mPAP, mean pulmonary arterial pressure
- mechanical circulatory support
- tVAD, temporary ventricular assist device
- transplant outcomes
- ventricular assist devices
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Affiliation(s)
- Alice L. Zhou
- Johns Hopkins University School of Medicine, Baltimore, Md
| | - Eric W. Etchill
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Md
| | | | | | - Iulia Barbur
- Johns Hopkins University School of Medicine, Baltimore, Md
| | - Katherine A. Giuliano
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Ahmet Kilic
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Md
- Address for reprints: Ahmet Kilic, MD, Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Sheikh Zayed Tower, Suite 7107, 1800 Orleans St, Baltimore, MD 21287.
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Liu QQ, Yang J, Lu D, Xu XQ, Jiang X, Wang H, Li JY, Guo F, Zhu YL, Zhao QH. Time-Velocity Integral of Left Ventricular Outflow Tract Predicts Worse Long-Term Survival in Pulmonary Arterial Hypertension. JACC Asia 2022; 2:235-243. [PMID: 36338398 PMCID: PMC9627844 DOI: 10.1016/j.jacasi.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The time-velocity integral of the left ventricular outflow tract (TVILVOT) has been demonstrated to correlate with heart failure hospitalization and mortality, but the association of TVILVOT with the severity and prognosis of pulmonary arterial hypertension (PAH) has not been evaluated. OBJECTIVES The aim of this study was to investigate the predictive value of baseline TVILVOT in PAH. METHODS A total of 225 consecutive patients with a diagnosis of incident PAH were prospectively studied and echocardiology-derived TVILVOT was measured at enrollment followed by right heart catheterization examination within 48 hours. Cox proportional hazards analysis was performed to assess the association between baseline variables and mortality. RESULTS During a median follow-up period of 33.8 months, 44 patients died of cardiovascular events. Baseline TVILVOT was significantly lower in the nonsurvivors compared with the survivors (P < 0.001). Baseline TVILVOT was positively correlated with stroke volume obtained by right heart catheterization (r = 0.709; P < 0.001), and inversely correlated with N-terminal pro-B-type natriuretic peptide (r = -0.533; P < 0.001), pulmonary vascular resistance (r = -0.423; P < 0.001). Multivariate analysis showed that baseline TVILVOT (hazard ratio: 0.856; 95% CI: 0.780-0.941; P = 0.001) was an independent predictor of cardiovascular mortality in PAH. Patients with a baseline TVILVOT <17.1 cm (median value) had a significantly worse survival than those with a baseline TVILVOT ≥17.1 cm (P < 0.001). CONCLUSIONS The findings of this study suggest that noninvasive TVILVOT provides a practical method to assess the severity and predict long-term outcome of PAH.
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Key Words
- 6MWD, 6-minute walk distance
- BSA, body surface area
- CI, cardiac index
- CMR, cardiac magnetic resonance imaging
- CO, cardiac output
- HR, hazard ratio
- LV, left ventricular
- LVOT, left ventricular outflow tract
- NT-proBNP, N-terminal pro–B-type natriuretic peptide
- PAH, pulmonary arterial hypertension
- PVR, pulmonary vascular resistance
- RHC, right heart catheterization
- RV, right ventricular
- STr, peak systolic tricuspid annular velocity of tissue Doppler
- SVRHC, stroke volume obtained by right heart catheterization
- TAPSE, tricuspid annular plane systolic excursion
- TTE, transthoracic echocardiography
- TVI, time-velocity integral
- TVILVOT, time-velocity integral of left ventricular outflow tract
- WHO-FC, World Health Organization functional class
- left ventricular outflow tract
- pulmonary arterial hypertension
- survival
- time-velocity integral
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Affiliation(s)
- Qian-Qian Liu
- Department of Echocardiography, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing Yang
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dan Lu
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xi-Qi Xu
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xin Jiang
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Wang
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing-Yi Li
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fan Guo
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yan-Lin Zhu
- Department of Cardiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qin-Hua Zhao
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
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Shimauchi T, Boucherat O, Yokokawa T, Grobs Y, Wu W, Orcholski M, Martineau S, Omura J, Tremblay E, Shimauchi K, Nadeau V, Breuils-Bonnet S, Paulin R, Potus F, Provencher S, Bonnet S. PARP1-PKM2 Axis Mediates Right Ventricular Failure Associated With Pulmonary Arterial Hypertension. JACC Basic Transl Sci 2022; 7:384-403. [PMID: 35540097 PMCID: PMC9079853 DOI: 10.1016/j.jacbts.2022.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/10/2022] [Accepted: 01/10/2022] [Indexed: 12/18/2022]
Abstract
The authors show that increased poly(adenosine diphosphate-ribose) polymerase 1 (PARP1) and pyruvate kinase muscle isozyme 2 (PKM2) expression is a common feature of a decompensated right ventricle in patients with pulmonary arterial hypertension and animal models. The authors find in vitro that overactivated PARP1 promotes cardiomyocyte dysfunction by favoring PKM2 expression and nuclear function, glycolytic gene expression, activation of nuclear factor κB-dependent proinflammatory factors. Pharmacologic and genetic inhibition of PARP1 or enforced tetramerization of PKM2 attenuates maladaptive remodeling improving right ventricular (RV) function in multiple rodent models. Taken together, these data implicate the PARP1/PKM2 axis as a critical driver of maladaptive RV remodeling and a new promising target to directly sustain RV function in patients with pulmonary arterial hypertension.
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Key Words
- CM, cardiomyocyte
- CO, cardiac output
- ET, endothelin
- NF-κB, nuclear factor κB
- PAB, pulmonary artery banding
- PAH, pulmonary arterial hypertension
- PARP1
- PARP1, poly(adenosine diphosphate–ribose) polymerase 1
- PKM2
- PKM2, pyruvate kinase muscle isozyme 2
- RV, right ventricular
- STAT3, signal transducer activator of transcription 3
- WT, wild-type
- cKO, conditional knockout
- pulmonary hypertension
- right ventricle
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Affiliation(s)
- Tsukasa Shimauchi
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Olivier Boucherat
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.,Department of Medicine, Université Laval, Québec, Québec, Canada
| | - Tetsuro Yokokawa
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Yann Grobs
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - WenHui Wu
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Mark Orcholski
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Sandra Martineau
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Junichi Omura
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Eve Tremblay
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Kana Shimauchi
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Valérie Nadeau
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Sandra Breuils-Bonnet
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada
| | - Roxane Paulin
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.,Department of Medicine, Université Laval, Québec, Québec, Canada
| | - François Potus
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.,Department of Medicine, Université Laval, Québec, Québec, Canada
| | - Steeve Provencher
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.,Department of Medicine, Université Laval, Québec, Québec, Canada
| | - Sébastien Bonnet
- Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.,Department of Medicine, Université Laval, Québec, Québec, Canada
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Abstract
BACKGROUND Cirrhotic cardiomyopathy refers to the structural and functional changes in the heart leading to either impaired systolic, diastolic, electrocardiographic, and neurohormonal changes associated with cirrhosis and portal hypertension. Cirrhotic cardiomyopathy is present in 50% of patients with cirrhosis and is clinically seen as impaired contractility, diastolic dysfunction, hyperdynamic circulation, and electromechanical desynchrony such as QT prolongation. In this review, we will discuss the cardiac physiology principles underlying cirrhotic cardiomyopathy, imaging techniques such as cardiac magnetic resonance imaging and scintigraphy, cardiac biomarkers, and newer echocardiographic techniques such as tissue Doppler imaging and speckle tracking, and emerging treatments to improve outcomes. METHODS We reviewed available literature from MEDLINE for randomized controlled trials, cohort studies, cross-sectional studies, and real-world outcomes using the search terms "cirrhotic cardiomyopathy," "left ventricular diastolic dysfunction," "heart failure in cirrhosis," "liver transplantation," and "coronary artery disease". RESULTS Cirrhotic cardiomyopathy is associated with increased risk of complications such as hepatorenal syndrome, refractory ascites, impaired response to stressors including sepsis, bleeding or transplantation, poor health-related quality of life and increased morbidity and mortality. The evaluation of cirrhotic cardiomyopathy should also guide the feasibility of procedures such as transjugular intrahepatic portosystemic shunt, dose titration protocol of betablockers, and liver transplantation. The use of targeted heart rate reduction is of interest to improve cardiac filling and improve the cardiac output using repurposed heart failure drugs such as ivabradine. Liver transplantation may also reverse the cirrhotic cardiomyopathy; however, careful cardiac evaluation is necessary to rule out coronary artery disease and improve cardiac outcomes in the perioperative period. CONCLUSION More data are needed on the new diagnostic criteria, molecular and biochemical changes, and repurposed drugs in cirrhotic cardiomyopathy. The use of advanced imaging techniques should be incorporated in clinical practice.
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Key Words
- 2-AG, 2-arachidonylglycerol
- 2D, two-dimensional
- AEA, Anandamide
- ANP, Atrial Natriuretic Peptide
- ASE, the American Society of Echocardiography
- AUC, area under the curve
- BA, bile acid
- BNP, Brain natriuretic peptide
- CAD, coronary artery disease
- CB-1, cannabinoid −1
- CCM, Cirrhotic Cardiomyopathy
- CMR, cardiovascular magnetic resonance imaging
- CO, cardiac output
- CT, computed tomography
- CTP, Child–Turcotte–Pugh
- CVP, central venous pressure
- DT, deceleration Time
- ECG, electrocardiogram
- ECV, extracellular volume
- EF, Ejection fraction
- EMD, electromechanical desynchrony
- ESLD, end-stage liver disease
- FXR, Farnesoid X receptor
- GI, gastrointestinal
- GLS, Global Longitudinal strain
- HCN, Hyperpolarization-activated cyclic nucleotide–gated
- HE, hepatic encephalopathy
- HF, heart failure
- HO, Heme oxygenase
- HPS, hepatopulmonary syndrome
- HR, heart rate
- HRS, hepatorenal syndrome
- HVPG, hepatic venous pressure gradient
- HfmrEF, heart failure with mid-range ejection fraction
- HfrEF, heart failure with reduced ejection fraction
- IVC, Inferior Vena Cava
- IVCD, IVC Diameter
- IVS, intravascular volume status
- L-NAME, NG-nitro-L-arginine methyl ester
- LA, left atrium
- LAVI, LA volume index
- LGE, late gadolinium enhancement
- LT, liver transplant
- LV, left ventricle
- LVDD, left ventricular diastolic dysfunction
- LVEDP, left ventricular end-diastolic pressure
- LVEDV, LV end diastolic volume
- LVEF, left ventricular ejection fraction
- LVESV, LV end systolic volume
- LVOT, left ventricular outflow tract
- MAP, mean arterial pressure
- MELD, Model for End-Stage Liver Disease
- MR, mitral regurgitation
- MRI, Magnetic resonance imaging
- MV, mitral valve
- NAFLD, Nonalcoholic fatty liver disease
- NO, nitric oxide
- NOS, Nitric oxide synthases
- NTProBNP, N-terminal proBNP
- PAP, pulmonary artery pressure
- PCWP, pulmonary capillary wedged pressure
- PHT, portal hypertension
- PWD, Pulsed-wave Doppler
- RV, right ventricle
- RVOT, right ventricular outflow tract
- SA, sinoatrial
- SD, standard deviation
- SV, stroke volume
- SVR, Systemic vascular resistance
- TDI, tissue Doppler imaging
- TIPS, transjugular intrahepatic portosystemic shunt
- TR, Tricuspid valve
- TRPV1, transient receptor potential cation channel subfamily V member 1
- TTE, transthoracic echocardiography
- USG, ultrasonography
- VTI, velocity time integral
- beta blocker
- cirrhotic cardiomyopathy
- hemodynamics in cirrhosis
- left ventricular diastolic dysfunction
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Affiliation(s)
| | - Madhumita Premkumar
- Address for correspondence: Dr. Madhumita Premkumar, M.D., D.M., Department of Hepatology, Postgraduate Institute of Medical Education and Research, 60012, Chandigarh, India. Tel.: ++91-9540951061 (mobile)
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7
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Ranard LS, Kaple R, Khalique OK, Agarwal V, Bellumkonda L, Bonde P, George I, Uriel N, Leon MB, Vahl TP. First Transfemoral Implantation of a Novel Transcatheter Valve in an LVAD Patient With Aortic Insufficiency. JACC Case Rep 2021; 3:1806-1810. [PMID: 34917959 PMCID: PMC8642726 DOI: 10.1016/j.jaccas.2021.08.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 06/14/2023]
Abstract
An 80-year-old man with a destination left ventricular assist device (LVAD) presented with decompensated heart failure. Evaluation demonstrated numerous LVAD high power spike events, significant aortic regurgitation, and hemolysis. He underwent successful aortic valve replacement with a novel transcatheter valve and LVAD pump exchange that resulted in an improvement in his clinical status. (Level of Difficulty: Advanced.).
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Key Words
- AR, aortic regurgitation
- CO, cardiac output
- CTA, computed tomography angiography
- LVAD, left ventricular assist device
- LVEDD, left ventricular end diastolic dimension
- NYHA, New York Heart Association
- PA, pulmonary artery
- PCWP, pulmonary capillary wedge pressure
- RA, right atrial
- RV, right ventricular
- TAVR
- TAVR, transcatheter aortic valve replacement
- TEE, transesophageal echocardiogram
- THV, transcatheter heart valve
- TTE, transthoracic echocardiogram
- aortic regurgitation
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Affiliation(s)
- Lauren S. Ranard
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
| | - Ryan Kaple
- Division of Cardiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Omar K. Khalique
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
| | - Vratika Agarwal
- Division of Cardiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Lavanya Bellumkonda
- Division of Cardiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Pramod Bonde
- Division of Cardiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Isaac George
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
| | - Nir Uriel
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
| | - Martin B. Leon
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
| | - Torsten P. Vahl
- Structural Heart and Valve Center, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, USA
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Wang P, Wang M, Hu Y, Chen J, Cao Y, Liu C, Wu Z, Shen J, Lu J, Liu P. Isorhapontigenin protects against doxorubicin-induced cardiotoxicity via increasing YAP1 expression. Acta Pharm Sin B 2021; 11:680-693. [PMID: 33777675 PMCID: PMC7982427 DOI: 10.1016/j.apsb.2020.10.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 12/16/2022] Open
Abstract
As an effective anticancer drug, the clinical limitation of doxorubicin (Dox) is the time- and dose-dependent cardiotoxicity. Yes-associated protein 1 (YAP1) interacts with transcription factor TEA domain 1 (TEAD1) and plays an important role in cell proliferation and survival. However, the role of YAP1 in Dox-induced cardiomyopathy has not been reported. In this study, the expression of YAP1 was reduced in clinical human failing hearts with dilated cardiomyopathy and Dox-induced in vivo and in vitro cardiotoxic model. Ectopic expression of Yap1 significantly blocked Dox-induced cardiomyocytes apoptosis in TEAD1 dependent manner. Isorhapontigenin (Isor) is a new derivative of stilbene and responsible for a wide range of biological processes. Here, we found that Isor effectively relieved Dox-induced cardiomyocytes apoptosis in a dose-dependent manner in vitro. Administration with Isor (30 mg/kg/day, intraperitoneally, 3 weeks) significantly protected against Dox-induced cardiotoxicity in mice. Interestingly, Isor increased Dox-caused repression in YAP1 and the expression of its target genes in vivo and in vitro. Knockout or inhibition of Yap1 blocked the protective effects of Isor on Dox-induced cardiotoxicity. In conclusion, YAP1 may be a novel target for Dox-induced cardiotoxicity and Isor might be a new compound to fight against Dox-induced cardiotoxicity by increasing YAP1 expression.
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Key Words
- AMPK, AMP-activated protein kinase
- AP-1, anti-microbial protein
- AREG, amphiregulin
- AUC/Dose, dose-normalized plasma exposures
- Amphiregulin
- Ang II, angiotensin II
- CO, cardiac output
- CTGF, connective tissue growth factor
- Cardiomyocytes apoptosis
- Cardiotoxicity
- Cmax/Dose, dose-normalized maximal plasma concentrations
- Connective tissue growth factor
- DAB, 3,3′-diaminobenzidine
- DMEM, Dulbecco's modified Eagle's medium
- Dob, dobutamine
- Dox, doxorubicin
- Doxorubicin
- EMT, epithelial mesenchymal transformation
- FOXO1, forkhead box class O1
- FS, fractional shortening
- HE, hematoxylin–eosin
- ISO, isoproterenol
- Isor, isorhapontigenin
- Isorhapontigenin
- LVAW;d, left ventricular end-diastolic anterior wall thickness
- LVAW;s, left ventricular end-systolic anterior wall thickness
- LVEF, left ventricular ejection fraction
- LVID;d, left ventricular end-diastolic internal diameter
- LVID;s, left ventricular end-systolic internal diameter
- LVPW;d, left ventricular end-diastolic posterior wall thickness
- LVPW;s, left ventricular end-systolic posterior wall thickness
- MAPK, mitogen-activated protein kinase
- MI, myocardial infarction
- NF-κB, nuclear factor kappa-B
- NRCMs, neonatal rat cardiomyocytes
- P2Y12 receptor, ADP receptor
- PGC-1α, peroxisome proliferator-activated receptor γ coactivator-1α
- PMSF, phenylmethanesulfonyl fluoride
- PVDF, polyvinylidene fluoride
- ROS, reactive oxygen species
- SD, Sprague–Dawley
- SDS-PAGE, sodium dodecyl sulfate-polyacrylamide gel electrophoresis
- SESN2, sestrin2
- TCF4, T-cell factor 4
- TEAD, TEA domain transcription factor proteins
- TEAD1
- TUNEL, TdT-mediated dUTP nick end labeling
- WGA, wheat germ agglutinin
- YAP1
- YAP1, Yes-associated protein 1
- qRT-PCR, quantitative real-time polymerase chain reaction
- sgRNAs, sequence guiding RNAs
- Δψm, mitochondrial membrane potential
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Affiliation(s)
- Panxia Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Minghui Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuehuai Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jianxing Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yanjun Cao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Cui Liu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhongkai Wu
- Department of Cardiac Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Juan Shen
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Corresponding authors.
| | - Jing Lu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- Corresponding authors.
| | - Peiqing Liu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, China
- Guangdong Provincial Engineering Laboratory of Druggability and New Drugs Evaluation, Guangzhou 510006, China
- Corresponding authors.
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Huang L, Zhao P, Tang D, Zhu T, Han R, Zhan C, Liu W, Zeng H, Tao Q, Xia L. Cardiac Involvement in Patients Recovered From COVID-2019 Identified Using Magnetic Resonance Imaging. JACC Cardiovasc Imaging 2020; 13:2330-2339. [PMID: 32763118 PMCID: PMC7214335 DOI: 10.1016/j.jcmg.2020.05.004] [Citation(s) in RCA: 357] [Impact Index Per Article: 89.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 12/14/2022]
Abstract
Objectives This study evaluated cardiac involvement in patients recovered from coronavirus disease-2019 (COVID-19) using cardiac magnetic resonance (CMR). Background Myocardial injury caused by COVID-19 was previously reported in hospitalized patients. It is unknown if there is sustained cardiac involvement after patients' recovery from COVID-19. Methods Twenty-six patients recovered from COVID-19 who reported cardiac symptoms and underwent CMR examinations were retrospectively included. CMR protocols consisted of conventional sequences (cine, T2-weighted imaging, and late gadolinium enhancement [LGE]) and quantitative mapping sequences (T1, T2, and extracellular volume [ECV] mapping). Edema ratio and LGE were assessed in post-COVID-19 patients. Cardiac function, native T1/T2, and ECV were quantitatively evaluated and compared with controls. Results Fifteen patients (58%) had abnormal CMR findings on conventional CMR sequences: myocardial edema was found in 14 (54%) patients and LGE was found in 8 (31%) patients. Decreased right ventricle functional parameters including ejection fraction, cardiac index, and stroke volume/body surface area were found in patients with positive conventional CMR findings. Using quantitative mapping, global native T1, T2, and ECV were all found to be significantly elevated in patients with positive conventional CMR findings, compared with patients without positive findings and controls (median [interquartile range]: native T1 1,271 ms [1,243 to 1,298 ms] vs. 1,237 ms [1,216 to 1,262 ms] vs. 1,224 ms [1,217 to 1,245 ms]; mean ± SD: T2 42.7 ± 3.1 ms vs. 38.1 ms ± 2.4 vs. 39.1 ms ± 3.1; median [interquartile range]: 28.2% [24.8% to 36.2%] vs. 24.8% [23.1% to 25.4%] vs. 23.7% [22.2% to 25.2%]; p = 0.002; p < 0.001, and p = 0.002, respectively). Conclusions Cardiac involvement was found in a proportion of patients recovered from COVID-19. CMR manifestation included myocardial edema, fibrosis, and impaired right ventricle function. Attention should be paid to the possible myocardial involvement in patients recovered from COVID-19 with cardiac symptoms.
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Key Words
- ACE2, angiotensin-converting enzyme 2
- AHA, American Heart Association
- BSA, body surface area
- CI, cardiac index
- CMR, cardiac magnetic resonance
- CO, cardiac output
- COVID-19, coronavirus disease-2019
- ECV, extracellular volume
- EDV, end-diastolic volume
- EF, ejection fraction
- ER, edema ratio
- ESV, end-systolic volume
- FA, flip angle
- FOV, field of view
- IQR, interquartile range
- LGE, late gadolinium enhancement
- LV, left ventricle
- LVEF, left ventricular ejection fraction
- PSIR, phase-sensitive inversion-recovery
- RT-PCR, reverse transcription and polymerase chain reaction
- RV, right ventricle
- RVEF, right ventricular ejection fraction
- SARS-CoV-2, severe acute respiratory syndrome-coronavirus-2
- SI, signal intensity
- SSFP, steady state free precession
- STIR, short tau inversion recovery
- SV, stroke volume
- T2WI, T2-weighted imaging
- TE, echo time
- TR, repetition time
- cardiac involvement
- cardiac magnetic resonance imaging
- coronavirus disease-2019
- hs-cTnI, high-sensitive cardiac troponin I
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MESH Headings
- Adult
- COVID-19
- China
- Coronavirus Infections/complications
- Coronavirus Infections/diagnosis
- Coronavirus Infections/therapy
- Edema, Cardiac/diagnostic imaging
- Edema, Cardiac/etiology
- Edema, Cardiac/pathology
- Female
- Fibrosis
- Humans
- Magnetic Resonance Imaging, Cine
- Male
- Middle Aged
- Myocardium/pathology
- Pandemics
- Pneumonia, Viral/complications
- Pneumonia, Viral/diagnosis
- Pneumonia, Viral/therapy
- Predictive Value of Tests
- Remission Induction
- Retrospective Studies
- Ventricular Dysfunction, Right/diagnostic imaging
- Ventricular Dysfunction, Right/etiology
- Ventricular Dysfunction, Right/physiopathology
- Ventricular Function, Right
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Affiliation(s)
- Lu Huang
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peijun Zhao
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dazhong Tang
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tong Zhu
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Han
- Department of Radiology, Wuhan No.1 Hospital, Wuhan, China
| | - Chenao Zhan
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weiyong Liu
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hesong Zeng
- Department of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Qian Tao
- Division of Imaging Processing, Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands.
| | - Liming Xia
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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10
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Adejumo OL, Hameed I, Grossman T, Landres I, Tam C, Villena-Vargas J, Hill SS, Feldman DN, Minutello RM, Kim L, Bergman G, Wong SC, Salemi A, Singh HS. Tricuspid Stenosis in Pregnancy: A Valve-in-Valve Conundrum. JACC Case Rep 2020; 2:2141-2145. [PMID: 34317125 PMCID: PMC8299855 DOI: 10.1016/j.jaccas.2020.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 11/20/2022]
Abstract
Redo tricuspid valve replacement has high surgical operative mortality. Transcatheter valve-in-valve provides a viable option for valve replacement. We discuss the decision-making process involved in performing transcatheter tricuspid valve-in-valve replacement in a 23-week pregnant woman with multiple comorbidities and symptomatic severe bioprosthetic stenosis. (Level of Difficulty: Intermediate.)
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Affiliation(s)
- Oluwayemisi L. Adejumo
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Irbaz Hameed
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
| | - Tracy Grossman
- Department of Obstetrics and Gynecology, New York University Langone Medical Center, New York, New York
| | - Inna Landres
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, New York
| | - Christopher Tam
- Department of Anesthesiology, Weill Cornell Medicine, New York, New York
| | | | - Shanna Sykes Hill
- Department of Anesthesiology, Weill Cornell Medicine, New York, New York
| | - Dmitriy N. Feldman
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Robert M. Minutello
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Luke Kim
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Geoffrey Bergman
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Shing-Chiu Wong
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Arash Salemi
- Department of Cardiothoracic Surgery, RWJ/Barnabas Health, West Orange, New Jersey
| | - Harsimran S. Singh
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine, New York, New York
- Address for correspondence: Dr. Harsimran S. Singh, Weill Cornell Medicine, Greenberg Division of Cardiology, 520 East 70th Street, STARR-425, New York, New York 10021. @SimranSinghMD
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11
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Mulkareddy V, Sokach C, Bucklew E, Bukari A, Sidlak A, Harrold IM, Pizon A, Reis S. Colchicine Toxicity: The Fatal Masquerader. JACC Case Rep 2020; 2:678-680. [PMID: 34317321 PMCID: PMC8298785 DOI: 10.1016/j.jaccas.2020.02.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 02/06/2020] [Accepted: 02/20/2020] [Indexed: 12/05/2022]
Abstract
Colchicine toxicity results in fatal multiorgan failure. We present a case of colchicine toxicity resulting in transient biventricular failure and cardiogenic shock that were successfully treated with packed red blood cell exchange. (Level of Difficulty: Beginner.)
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Affiliation(s)
- Vinaya Mulkareddy
- Department of Cardiology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Carly Sokach
- Department of Internal Medicine, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Eric Bucklew
- Department of Internal Medicine, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Abdallah Bukari
- Department of Cardiology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Alexander Sidlak
- Department of Toxicology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Ian M Harrold
- Department of Pathology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Anthony Pizon
- Department of Toxicology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
| | - Steven Reis
- Department of Cardiology, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
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12
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Zamani P, Proto EA, Mazurek JA, Prenner SB, Margulies KB, Townsend RR, Kelly DP, Arany Z, Poole DC, Wagner PD, Chirinos JA. Peripheral Determinants of Oxygen Utilization in Heart Failure With Preserved Ejection Fraction: Central Role of Adiposity. ACTA ACUST UNITED AC 2020; 5:211-225. [PMID: 32215346 PMCID: PMC7091498 DOI: 10.1016/j.jacbts.2020.01.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/27/2019] [Accepted: 01/02/2020] [Indexed: 01/04/2023]
Abstract
ΔAVo2 during exercise is a complex metric that incorporates into its calculation skeletal muscle blood flow and DmO2 across the skeletal muscle capillary membrane. Although ΔAVo2 was reduced in patients with HFpEF during both systemic and local (forearm) exercise, there was no difference in forearm DmO2 among subjects with HFpEF, those with hypertension, and healthy control subjects; therefore, abnormalities in forearm DmO2 cannot explain the reduced forearm ΔAVo2 seen in subjects with HFpEF. Local forearm exercise performance predicted about one-third of the variability in systemic aerobic capacity, demonstrating that peripheral factors are important in determining whole-body exercise tolerance. Degree of adiposity strongly correlated with ΔAVo2 during both local and whole-body exercise, suggesting that adipose tissue may play an active role in limiting exercise capacity in subjects with HFpEF.
The aim of this study was to determine the arteriovenous oxygen content difference (ΔAVo2) in adult subjects with and without heart failure with preserved ejection fraction (HFpEF) during systemic and forearm exercise. Subjects with HFpEF had reduced ΔAVo2. Forearm diffusional conductance for oxygen, a lumped conductance parameter that incorporates all impediments to the movement of oxygen from red blood cells in skeletal muscle capillaries into the mitochondria within myocytes, was estimated. Forearm diffusional conductance for oxygen was not different among adults with HFpEF, those with hypertension, and healthy control subjects; therefore, diffusional conductance cannot explain the reduced forearm ΔAVo2. Instead, adiposity was strongly associated with ΔAVo2, suggesting an active role for adipose tissue in reducing exercise capacity in patients with HFpEF.
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Key Words
- CO, cardiac output
- DEXA, dual-energy x-ray absorptiometry
- DmO2, skeletal muscle diffusional conductance for oxygen
- FIo2, fraction of inspired oxygen
- HFpEF
- HFpEF, heart failure with preserved ejection fraction
- MVC, maximal voluntary contraction force
- NT-proBNP, N-terminal pro–brain natriuretic peptide
- Po2, partial pressure of oxygen
- Vo2, oxygen consumption
- adiposity
- aerobic capacity
- exercise
- oxygen transport
- ΔAVo2, arteriovenous oxygen content difference
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Affiliation(s)
- Payman Zamani
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Elizabeth A Proto
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jeremy A Mazurek
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Stuart B Prenner
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kenneth B Margulies
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Raymond R Townsend
- Division of Nephrology/Hypertension, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Daniel P Kelly
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Zoltan Arany
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - David C Poole
- Departments of Kinesiology, Anatomy, and Physiology, Kansas State University, Manhattan, Kansas
| | - Peter D Wagner
- Division of Pulmonary Medicine, University of California-San Diego, San Diego, California
| | - Julio A Chirinos
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
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13
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Lu J, Li J, Hu Y, Guo Z, Sun D, Wang P, Guo K, Duan DD, Gao S, Jiang J, Wang J, Liu P. Chrysophanol protects against doxorubicin-induced cardiotoxicity by suppressing cellular PARylation. Acta Pharm Sin B 2019; 9:782-793. [PMID: 31384538 PMCID: PMC6663922 DOI: 10.1016/j.apsb.2018.10.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 09/26/2018] [Accepted: 10/09/2018] [Indexed: 01/13/2023] Open
Abstract
The clinical application of doxorubicin (DOX) in cancer chemotherapy is limited by its life-threatening cardiotoxic effects. Chrysophanol (CHR), an anthraquinone compound isolated from the rhizome of Rheum palmatum L., is considered to play a broad role in a variety of biological processes. However, the effects of CHR׳s cardioprotection in DOX-induced cardiomyopathy is poorly understood. In this study, we found that the cardiac apoptosis, mitochondrial injury and cellular PARylation levels were significantly increased in H9C2 cells treated by Dox, while these effects were suppressed by CHR. Similar results were observed when PARP1 activity was suppressed by its inhibitors 3-aminobenzamide (3AB) and ABT888. Ectopic expression of PARP1 effectively blocked this CHR׳s cardioprotection against DOX-induced cardiomyocyte injury in H9C2 cells. Furthermore, pre-administration with both CHR and 3AB relieved DOX-induced cardiac apoptosis, mitochondrial impairment and heart dysfunction in Sprague-Dawley rat model. These results revealed that CHR protects against DOX-induced cardiotoxicity by suppressing cellular PARylation and provided critical evidence that PARylation may be a novel target for DOX-induced cardiomyopathy.
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Key Words
- 3AB, 3-aminobenzamide
- ADR, adriamycin
- ANOVA, one-way analysis of variance
- Apoptosis
- CHR, chrysophanol
- CMC-Na, sodium carboxymethyl
- CO, cardiac output
- Cardiotoxicity
- Chrysophanol
- Cyt c, Cytochrome c
- DOX, doxorubicin
- Doxorubicin
- EF, ejection fraction
- FBS, fetal bovine serum
- FS, fractional shortening
- HE, hematoxylin-eosin
- HR, heart rate
- IVSd, end-diastolic interventricular septum
- IVSs, end-systolic interventricular septum
- LV, end-systolic volume
- LVEDV, LV end-diastolic volume
- LVIDd, LV end-diastolic internal diameter
- LVIDs, LV end-systolic internal diameter
- LVPWd, LV end-diastolic posterior wall thickness
- LVPWs, LV end-systolic posterior wall thickness
- Mitochondria
- NS, normal saline
- PAR, polymers of ADP-ribose
- PARP1, poly(ADP-ribose) polymerase 1
- PARylated, poly(ADP-ribosyl)ated
- PARylation
- PARylation, poly(ADP-ribosyl)ation
- PBS, phosphate-buffered saline
- RCR, respiratory control ratio
- ROS, reactive oxygen species
- Rh123, rhodamine 123
- SD, Sprague–Dawley
- TUNEL, TdT-mediated dUTP nick end labeling
- VDAC1, voltage dependent anion channel 1
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14
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Salameh A, Dhein S, Mewes M, Sigusch S, Kiefer P, Vollroth M, Seeger J, Dähnert I. Anti-oxidative or anti-inflammatory additives reduce ischemia/reperfusions injury in an animal model of cardiopulmonary bypass. Saudi J Biol Sci 2019; 27:18-29. [PMID: 31889812 PMCID: PMC6933174 DOI: 10.1016/j.sjbs.2019.04.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/01/2019] [Accepted: 04/03/2019] [Indexed: 01/02/2023] Open
Abstract
Severe inborn cardiac malformations are typically corrected in cardioplegia, with a cardio-pulmonary bypass (CPB) taking over body circulation. During the operation the arrested hearts are subjected to a global ischemia/reperfusion injury. Although the applied cardioplegic solutions have a certain protective effect, application of additional substances to reduce cardiac damage are of interest. 18 domestic piglets (10–15 kg) were subjected to a 90 min CPB and a 120 min reperfusion phase without or with the application of epigallocatechin-3-gallate (10 mg/kg body weight) or minocycline (4 mg/kg body weight), with both drugs given before and after CPB. 18 additional sham-operated piglets without or with epigallocatechin-3-gallate or minocycline served as controls. In total 36 piglets were analyzed (3 CPB-groups and 3 control groups without or with epigallocatechin-3-gallate or minocycline respectively; 6 piglets per group). Hemodynamic and blood parameters and ATP-measurements were assessed. Moreover, a histological evaluation of the heart muscle was performed. Results Piglets of the CPB-group needed more catecholamine support to achieve sufficient blood pressure. Ejection fraction and cardiac output were not different between the 6 groups. However, cardiac ATP-levels and blood lactate were significantly lower and creatine kinase was significantly higher in the three CPB-groups. Markers of apoptosis, hypoxia, nitrosative and oxidative stress were significantly elevated in hearts of the CPB-group. Nevertheless, addition of epigallocatechin-3-gallate or minocycline significantly reduced markers of myocardial damage. Noteworthy, EGCG was more effective in reducing markers of hypoxia, whereas minocycline more efficiently decreased inflammation. Conclusions While epigallocatechin-3-gallate or minocycline did not improve cardiac hemodynamics, markers of myocardial damage were significantly lower in the CPB-groups with epigallocatechin-3-gallate or minocycline supplementation.
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Key Words
- ACT, activated clotting time
- AEC, 3-amino-9-ethylcarbazole
- AIF, apoptosis-inducing factor
- CO, cardiac output
- CPB, cardio-pulmonary bypass
- Cardio-pulmonary bypass
- DNA, deoxyribonucleic acid
- EF, ejection fraction
- EGCG, epigallo-3-catechin-gallate
- EGCG, ischemia/reperfusion injury
- HIF1α, hypoxia-inducible factor α
- HPLC, high pressure liquid chromatography
- Heart
- MPTP, mitochondrial permeability transition pore
- Minocycline
- NT, nitrotyrosine
- PAR, poly-ADP-ribose
- PARP, poly-ADP-ribose polymerase
- ROS, reactive oxygen species
- TNFα, tumor necrosis factor α
- cC3, cleaved caspase-3
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Affiliation(s)
- Aida Salameh
- University of Leipzig, Heart Centre Clinic for Paediatric Cardiology, Germany
- Corresponding author at: University of Leipzig, Heart Centre Clinic for Paediatric Cardiology, Struempellstrasse 39, 04289 Leipzig, Germany.
| | - Stefan Dhein
- University of Leipzig, Rudolf-Boehm-Institute for Pharmacology and Toxicology, Germany
| | - Marie Mewes
- University of Leipzig, Heart Centre Clinic for Paediatric Cardiology, Germany
| | - Sophie Sigusch
- University of Leipzig, Heart Centre Clinic for Paediatric Cardiology, Germany
| | - Philipp Kiefer
- University of Leipzig, Heart Center, Department of Cardiac Surgery, Leipzig, Germany
| | - Marcel Vollroth
- University of Leipzig, Heart Center, Department of Cardiac Surgery, Leipzig, Germany
| | - Johannes Seeger
- University of Leipzig, Institute of Vetinary Anatomy, Histology and Embryology, Germany
| | - Ingo Dähnert
- University of Leipzig, Heart Centre Clinic for Paediatric Cardiology, Germany
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15
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van Thor MCJ, Ten Klooster L, Snijder RJ, Post MC, Mager JJ. Long-term clinical value and outcome of riociguat in chronic thromboembolic pulmonary hypertension. Int J Cardiol Heart Vasc 2019; 22:163-8. [PMID: 30859124 DOI: 10.1016/j.ijcha.2019.02.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 02/10/2019] [Indexed: 12/24/2022]
Abstract
Background To improve clinical outcome, patients with inoperable and residual chronic thromboembolic pulmonary hypertension (CTEPH) can be treated with riociguat. The aim of this study is to explore long-term outcomes and to compare our 'real world' data with previous research. Methods We included all consecutive patients with technical inoperable and residual CTEPH, in whom riociguat therapy was initiated from January 2014 onwards, with patients followed till January 2019. Survival, clinical worsening (CW), functional class (FC), N-terminal pro brain natriuretic peptide (NT-proBNP) and 6-minute walking distance (6MWD) were described yearly after riociguat initiation. Results Thirty-six patients (50% female, mean age 64.9 ± 12.1 years, 54% WHO FC III/IV and 6MWD 337 ± 138 m could be included, with a mean follow-up of 2.3 ± 1.2 years. Survival and CW-free survival three years after initiation of riociguat were 94% and 78%, respectively. The 6MWD per 10 m at baseline was a significant predictor (HR 0.90 [0.83-0.97], p = 0.009) for CW. At three years follow-up the WHO FC and 6MWD improved and NT-proBNP decreased compared to baseline. Conclusion Our study confirms that riociguat is an effective treatment in patients with technical inoperable and residual CTEPH at long-term follow-up. Although our results are consistent with previous studies, more 'real world' research is necessary to confirm long-term results.
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Key Words
- 6MWD, 6-minute walking distance
- AE, adverse event
- BPA, balloon pulmonary angioplasty
- CHEST, Chronic Thromboembolic Pulmonary Hypertension Soluble Guanylate Cyclase-Stimulator Trial
- CO, cardiac output
- CTEPH, chronic thromboembolic pulmonary hypertension
- CW, clinical worsening
- Chronic thromboembolic pulmonary hypertension
- Clinical outcome
- Clinical worsening
- ERA, endothelin receptor antagonist
- FC, functional class
- HR, hazards regression
- NT-proBNP, N-terminal pro brain natriuretic peptide
- PAH, pulmonary arterial hypertension
- PAP, pulmonary arterial pressure
- PEA, pulmonary endarterectomy
- PH, pulmonary hypertension
- PVR, pulmonary vascular resistance
- RAP, right atrial pressure
- Residual PH, persistent pulmonary hypertension after PEA
- Riociguat
- SD, standard deviation
- Survival
- WHO, World Health Organization
- e.g., exempli gratiā
- i.e., id est
- mPAP, mean pulmonary arterial pressure
- sGC, soluble guanylate cyclase
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Mele A, Mantuano P, De Bellis M, Rana F, Sanarica F, Conte E, Morgese MG, Bove M, Rolland JF, Capogrosso RF, Pierno S, Camerino GM, Trabace L, De Luca A. A long-term treatment with taurine prevents cardiac dysfunction in mdx mice. Transl Res 2019; 204:82-99. [PMID: 30347179 DOI: 10.1016/j.trsl.2018.09.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 09/06/2018] [Accepted: 09/25/2018] [Indexed: 01/16/2023]
Abstract
Taurine is an amino acid abundantly present in heart and skeletal muscle. Duchenne muscular dystrophy (DMD) is a genetic disorder in which the absence of dystrophin leads to skeletal muscle wasting and heart failure. An altered taurine metabolism has been described in dystrophic animals and short-term taurine administration exerts promising amelioration of early muscular alterations in the mdx mouse model of DMD. To reinforce the therapeutic and nutraceutical taurine potential in DMD, we evaluated the effects of a long-term treatment on cardiac and skeletal muscle function of mdx mice in a later disease stage. Taurine was administered in drinking water (1 g/kg/day) to wt and mdx mice for 6 months, starting at 6 months of age. Ultrasonography evaluation of heart and hind limb was performed, in parallel with in vivo and ex vivo functional tests and biochemical, histological and gene expression analyses. 12-month-old mdx mice showed a significant worsening of left ventricular function parameters (shortening fraction, ejection fraction, stroke volume), which were significantly counteracted by the taurine treatment. In parallel, histologic signs of damage were reduced by taurine along with the expression of proinflammatory myocardial IL-6. Interestingly, no effects were observed on hind limb volume and percentage of vascularization or on in vivo and ex vivo muscle functional parameters, suggesting a tissue-specific action of taurine in relation to the disease phase. A trend toward increase in taurine was found in heart and quadriceps from treated animals, paralleled by a slight decrease in mdx mice plasma. Our study provides evidences that taurine can prevent late heart dysfunction in mdx mice, further corroborating the interest on this amino acid toward clinical trials.
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Affiliation(s)
- Antonietta Mele
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Paola Mantuano
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Michela De Bellis
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Francesco Rana
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Francesca Sanarica
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Elena Conte
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Maria Grazia Morgese
- Department of Experimental and Clinical Medicine, Faculty of Medicine, University of Foggia, Foggia, Italy
| | - Maria Bove
- Department of Experimental and Clinical Medicine, Faculty of Medicine, University of Foggia, Foggia, Italy
| | | | | | - Sabata Pierno
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Giulia Maria Camerino
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Luigia Trabace
- Department of Experimental and Clinical Medicine, Faculty of Medicine, University of Foggia, Foggia, Italy
| | - Annamaria De Luca
- Section of Pharmacology, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Bari, Italy.
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Premkumar M, Devurgowda D, Vyas T, Shasthry SM, Khumuckham JS, Goyal R, Thomas SS, Kumar G. Left Ventricular Diastolic Dysfunction is Associated with Renal Dysfunction, Poor Survival and Low Health Related Quality of Life in Cirrhosis. J Clin Exp Hepatol 2019; 9:324-33. [PMID: 31360025 DOI: 10.1016/j.jceh.2018.08.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/22/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The presence of left ventricular diastolic dysfunction (LVDD) in patients with cirrhosis leads to a restriction of activities and a poor health related quality of life (HRQoL), which should be taken into consideration when treating them for liver and cardiac complications. AIMS The prevalence, complications, predictors of HRQoL and survival in cirrhotic patients with LVDD were studied. METHODS We report a prospective cohort study of 145 consecutive cirrhotic patients with LVDD who were evaluated for cardiac functional status at enrollment and followed up for hepatic complications, cardiac events, outcome and HRQoL using the Minnesota Living With Heart Failure Questionnaire (MLHFQ) over a period of 2 years. RESULTS In total, 145 (mean age 61 years, 59% male) patients were included. Seventeen patients died with 10.5%, 22.5% and 40% mortality rates in patients with Grades 1, 2 and 3 LVDD respectively over 24 months. The parameters that were significant for predicting mortality on bivariate analysis were MELD, MELDNa, hepatic venous pressure gradient, MLHFQ, and left ventricular (LV) diastolic function (e' and E/e' ratio), but only MELD, MELDNa and E/e' remained significant on multivariate analysis. The E/e' ratio (8.7 ± 3.3 in survivors vs. 9.1 ± 2.3 in non-survivors) predicted outcome. On univariate analysis, the predictors of poor HRQoL were the Child-Pugh score ≥9.8 (OR 2.6; 95% confidence intervals (CI) 2.3-9.1, P = 0.041), MELD score ≥ 15.7 (OR 2.48; 95% CI 1.4-3.9, P = 0.029), refractory ascites (OR 1.9; 95% CI 1.1-6.1, P = 0.050), and E/e' ratio ≥7.6 (OR 1.9; 95% CI 1.8-7.1, P = 0.036) The presence of Class II/III (P = 0.046) symptoms of heart failure and MLHFQ≥ 45 (P = 0.042) were predictors of mortality at 24 months. CONCLUSION The grade of LVDD correlates with liver function, clinical events, risk of renal dysfunction and HRQoL. Evaluation of novel therapies which target symptomatic improvement in LVDD, should be done with suitable outcome measures, including HRQoL assessment.
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Key Words
- 2D, two-dimensional
- A, atrial wave-filling peak
- ASE, the American Society of Echocardiography
- AUC, area under the curve
- BNP, brain natriuretic peptide
- CI, confidence interval
- CO, cardiac output
- DT, deceleration time
- E, E-wave transmitral peak early filling
- E/A, early diastolic mitral inflow velocity/late diastolic
- E/e′ ratio, E-wave transmitral/early diastolic mitral annular velocity
- FHVP, free hepatic venous pressure
- GI, gastrointestinal
- HE, hepatic encephalopathy
- HR, heart rate
- HRS, hepatorenal syndrome
- HVPG, hepatic venous pressure gradient
- Health related Quality of Life
- Heart Failure
- IVRT, isovolumetric relaxation time
- LT, liver transplantation
- LV, left ventricular
- LVDD, left ventricular diastolic dysfunction
- LVEF, left ventricular ejection fraction
- MAP, mean arterial pressure
- MELD, Model for End-Stage Liver Disease
- MLHFQ, Minnesota Living with Heart Failure questionnaire
- OR, Odds Ratio
- PAP, pulmonary artery pressure
- PCWP, pulmonary capillary wedged pressure
- PH, portal hypertension
- RAP, right atrial pressure
- RR, relative risk
- SBP, spontaneous bacterial peritonitis
- SD, standard deviation
- TDI, tissue Doppler imaging
- TIPS, transjugular intrahepatic portosystemic shunt
- TTE, transthoracic echocardiography
- USG, ultrasonography
- WHVP, wedged hepatic venous pressures
- cirrhosis
- cirrhotic cardiomyopathy
- e′, early diastolic mitral annular velocity
- left ventricular diastolic dysfunction
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18
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Chen C, Liu J, Liu Z, He X, Yuan X, Ouyang X, Wang L, Li X. Electrocardiogram signs of right ventricular hypertrophy may help identify pulmonary hypertension in patients with dilated cardiomyopathy. Int J Cardiol Heart Vasc 2019; 22:61-6. [PMID: 30603664 DOI: 10.1016/j.ijcha.2018.12.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 12/15/2018] [Accepted: 12/17/2018] [Indexed: 11/23/2022]
Abstract
Objective To the authors' knowledge, limited data are available regarding the association between Electrocardiogram (ECG) signs of right ventricular hypertrophy (RVH) and pulmonary hypertension (PH) in patients with dilated cardiomyopathy (DCM). We aimed to assess the accuracy of the recommended ECG criteria of RVH for predicting PH in patients with DCM. Methods According to the definition of PH (mPAP ≥ 25 mm Hg), 35 patients with DCM were divided into 2 groups: DCM with PH (n = 22) and DCM without PH (n = 13). Right heart catheterization was performed in all patients. Seventeen parameters of RVH recommended by the AHA/ACCF/HRS for diagnosis of RVH on ECG were determinded. Results The following parameters were correlated with mPAP: RV1 > 6 mm, SV5 > 10 mm, R:SV6 < 0.4, RV1 + SV5 or V6 > 10.5 mm and PII amplitude. The following parameters were significantly different between DCM patients with and without PH: S in V5 (SV5) > 10 mm, S in V6 (SV6) > 3 mm, R:S ratio in V5 (R:SV5) < 0.75, RV1 + SV5 or V6 > 10.5 mm, S > R inI, S > R inII and R:S V1 > R:S V3, although results were no longer significant after correcting for multiple comparisons. High specificity (92.3-100%), lowsensitivity (31.8-50%), high positive predictive value, and low negative predictive value of established parameters of RVH were noted for predicting PH in patients with DCM. Conclusion Several ECG signs of RVH may be useful for in the diagnosis PH in patients with DCM.
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Key Words
- BUN, blood urea nitrogen
- CO, cardiac output
- DBP, diastolic blood pressure
- DCM, dilated cardiomyopathy
- Dilated cardiomyopathy
- ECG
- ECG, electrocardiogram
- LAD, left atrial diameter
- LHD, left heart disease
- LVEDD, left ventricular end diastolic Diameter
- LVEF, left ventricular ejection fraction
- NPV, negative predictive values
- NT pro-BNP, N-terminal fragment pro-brain natriuretic peptide
- NYHA, New York Heart Association
- PA, pulmonary arterial
- PASP, pulmonary artery systolic pressure
- PAWP, pulmonary capillary wedge pressure
- PH, pulmonary hypertension
- PPV, positive predictive values
- PVR, pulmonary vascular resistance
- Pulmonary hypertension
- RHC, right heart catheterization
- RVEDD, right ventricle end diastolic diameter
- RVH, right ventricular hypertrophy
- Right ventricular hypertrophy
- SBP, systolic blood pressure
- TPG, transpulmonary gradient
- mPAP, mean pulmonary artery pressure
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19
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Giamouridis D, Gao MH, Lai NC, Tan Z, Kim YC, Guo T, Miyanohara A, Blankesteijn WM, Biessen E, Hammond HK. Effects of Urocortin 2 Versus Urocortin 3 Gene Transfer on Left Ventricular Function and Glucose Disposal. JACC Basic Transl Sci 2018; 3:249-264. [PMID: 30062211 PMCID: PMC6059348 DOI: 10.1016/j.jacbts.2017.12.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/13/2017] [Accepted: 12/21/2017] [Indexed: 12/20/2022]
Abstract
UCn2 and UCn3 peptides have recently been infused to treat patients with heart failure (HF) but are limited by their short half-lives. A 1-time intravenous injection of virus vectors encoding UCn2 or UCn3 provided sustained increases in plasma concentrations of the peptides. This was associated with increases in both systolic and diastolic left ventricular (LV) function, mediated by increased LV SERCA2a expression and Ca2+ handling. UCn2, but not UCn3, gene transfer reduced fasting glucose and increased glucose disposal. These findings support UCn2 and UCn3 gene transfer as potential treatments for HF and indicate that UCn2 may be an optimal selection in patients with diabetes and HF.
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Key Words
- AAV, adeno-associated virus
- CO, cardiac output
- CRF, corticotropin-releasing factor
- CRHR, corticotropin-releasing hormone receptor
- CaMKII, Ca2+/calmodulin-dependent protein kinase II
- EDD, end-diastolic diameter
- EF, ejection fraction
- ESD, end-systolic diameter
- ESPVR, end-systolic pressure-volume relationship
- HF, heart failure
- IP, intraperitoneal
- IV, intravenous
- LV, left ventricle/ventricular
- PKA, protein kinase A
- RYR2, ryanodine receptor 2
- SERCA2a, sarco/endoplasmic reticulum Ca2+-ATPase
- Tau, time constant of left ventricular pressure decline
- UCn2, urocortin 2
- UCn3, urocortin 3
- VCFc, velocity of circumferential fiber shortening corrected for heart rate
- adeno-associated virus
- cAMP, 3′,5′-cyclic adenosine monophosphate
- contractile function
- diastolic function
- gc, genome copies
- gene therapy
- insulin sensitivity
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Affiliation(s)
- Dimosthenis Giamouridis
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute Maastricht University, Maastricht, the Netherlands
| | - Mei Hua Gao
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
| | - N. Chin Lai
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
| | - Zhen Tan
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
| | - Young Chul Kim
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
| | - Tracy Guo
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
| | - Atsushi Miyanohara
- Department of Medicine, University of California San Diego, San Diego, California
| | - W. Matthijs Blankesteijn
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute Maastricht University, Maastricht, the Netherlands
| | - Erik Biessen
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute Maastricht University, Maastricht, the Netherlands
| | - H. Kirk Hammond
- Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, California
- Department of Medicine, University of California San Diego, San Diego, California
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20
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Brash L, Barnes GD, Brewis MJ, Church AC, Gibbs SJ, Howard LSGE, Jayasekera G, Johnson MK, McGlinchey N, Onorato J, Simpson J, Stirrat C, Thomson S, Watson G, Wilkins MR, Xu C, Welsh DJ, Newby DE, Peacock AJ. Short-Term Hemodynamic Effects of Apelin in Patients With Pulmonary Arterial Hypertension. JACC Basic Transl Sci 2018; 3:176-186. [PMID: 29876530 PMCID: PMC5981010 DOI: 10.1016/j.jacbts.2018.01.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 12/02/2017] [Accepted: 01/13/2018] [Indexed: 11/25/2022]
Abstract
The effects of apelin on pulmonary hemodynamics in patients with PAH are unknown. Systemic infusion caused a significant reduction in pulmonary vascular resistance and increase in cardiac output without a change in heart rate or systemic vascular resistance. This effect was most prominent in the subgroup of patients receiving concomitant PDE5 inhibition. Apelin agonism is a novel potential therapeutic target for PAH.
Apelin agonism causes systemic vasodilatation and increased cardiac contractility in humans, and improves pulmonary arterial hypertension (PAH) in animal models. Here, the authors examined the short-term pulmonary hemodynamic effects of systemic apelin infusion in patients with PAH. In a double-blind randomized crossover study, 19 patients with PAH received intravenous (Pyr1)apelin-13 and matched saline placebo during invasive right heart catheterization. (Pyr1)apelin-13 infusion caused a reduction in pulmonary vascular resistance and increased cardiac output. This effect was accentuated in the subgroup of patients receiving concomitant phosphodiesterase type 5 inhibition. Apelin agonism is a novel potential therapeutic target for PAH. (Effects of Apelin on the Lung Circulation in Pulmonary Hypertension; NCT01457170)
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Affiliation(s)
- Lauren Brash
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Gareth D Barnes
- National Pulmonary Hypertension Service-London, Department of Cardiac Sciences, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Melanie J Brewis
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - A Colin Church
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Simon J Gibbs
- National Pulmonary Hypertension Service-London, Department of Cardiac Sciences, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Luke S G E Howard
- National Pulmonary Hypertension Service-London, Department of Cardiac Sciences, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Geeshath Jayasekera
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Martin K Johnson
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Neil McGlinchey
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Joelle Onorato
- Bristol-Myers Squibb Company, Discovery R&D, Princeton, New Jersey
| | - Joanne Simpson
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Colin Stirrat
- British Heart Foundation/University of Edinburgh Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Stephen Thomson
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - Geoffrey Watson
- National Pulmonary Hypertension Service-London, Department of Cardiac Sciences, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Martin R Wilkins
- National Pulmonary Hypertension Service-London, Department of Cardiac Sciences, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Carrie Xu
- Bristol-Myers Squibb Company, Discovery R&D, Princeton, New Jersey
| | - David J Welsh
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
| | - David E Newby
- British Heart Foundation/University of Edinburgh Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Andrew J Peacock
- Scottish Pulmonary Vascular Unit, Golden Jubilee National Hospital, Glasgow, United Kingdom
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Rye K, Mortimore G, Austin A, Freeman J. Non-invasive Diagnosis of Oesophageal Varices Using Systemic Haemodynamic Measurements by Finometry: Comparison with Other Non-invasive Predictive Scores. J Clin Exp Hepatol 2016; 6:195-202. [PMID: 27746615 DOI: 10.1016/j.jceh.2016.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Accepted: 05/08/2016] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND/AIMS Cirrhosis and portal hypertension are characterised by a hyperdynamic circulation, which is independently associated with variceal size. Non-invasive techniques for measurement of systemic haemodynamics are now available. The aim of the study was to prospectively assess the accuracy of systemic haemodynamics measured non-invasively for the detection of oesophageal varices in cirrhotic patients as compared to other currently available non-invasive methods. METHODS In a study of 29 cirrhotic patients, systemic haemodynamics were studied non-invasively using the Finometer® (mean arterial pressure (MAP), cardiac output (CO)/index, heart rate (HR), peripheral vascular resistance) and portal pressure was assessed by hepatic venous pressure gradient. Sensitivity, specificity, predictive values and area under the receiver operating characteristic (ROC) curves were assessed for predicting presence of varices and large oesophageal varices. Results were compared to child's classification, platelet/spleen ratio and ALT/AST ratios as predictors of the presence of large varices. RESULTS Using finometry large oesophageal varices were correctly predicted in 83% of patients compared to other non-invasive techniques (range 66-76%). CONCLUSIONS Non-invasive assessment of systemic haemodynamics using finometry could aid the identification of patients who do not immediately require variceal surveillance reducing the numbers of endoscopies and ensuring services are provided to those most likely to benefit.
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Key Words
- AAR, AST/ALT ratio
- CI, cardiac index
- CO, cardiac output
- DBP, diastolic blood pressure
- HR, heart rate
- HVPG, hepatic venous pressure gradient
- IQR, interquartile range
- LOV, large oesophageal varices
- LR+, positive likelihood ratio
- LR−, negative likelihood ratio
- MAP, mean arterial pressure
- MELD, model of end stage liver disease
- NIEC, North Italian Endoscopy Club
- NPV, negative predictive value
- PPV, positive predictive value
- PSDR, platelet count-to spleen diameter ratio
- PT, prothrombin time
- PVR, peripheral resistance
- ROC, receiver operating characteristic
- SBP, systolic blood pressure
- SV, stroke volume
- Se, sensitivity
- Sp, specificity
- finometry
- non-invasive predictive scores
- oesophageal varices
- systemic haemodynamics
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22
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Kinutani H, Shinke T, Nakayama K, Taniguchi Y, Otake H, Takaya T, Osue T, Konishi A, Emoto N, Hirata KI. High perfusion pressure as a predictor of reperfusion pulmonary injury after balloon pulmonary angioplasty for chronic thromboembolic pulmonary hypertension. Int J Cardiol Heart Vasc 2015; 11:1-6. [PMID: 28616517 PMCID: PMC5441330 DOI: 10.1016/j.ijcha.2015.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 11/24/2015] [Accepted: 11/25/2015] [Indexed: 10/26/2022]
Abstract
BACKGROUND Clinical efficacy of balloon pulmonary angioplasty (BPA) to the patients with non-operable chronic thromboembolic pulmonary hypertension (CTEPH) for improving pulmonary hemodynamics and exercise tolerance has been reported in these several years. However, reperfusion pulmonary injury (RPI) remains to be a major complication of BPA to overcome. This study elucidated the local predictor of RPI. METHODS Twenty-eight consecutive patients with non-operable CTEPH underwent BPA for lesions in the segmental or sub-segmental vessels. Pre- and post-BPA pulmonary arterial pressures at proximal (Pp) and distal (Pd) to the stenosis were measured by a 0.014-in. pressure wire. Positive or negative RPI was evaluated by chest computed tomography in each re-perfused segment separately 4 h after BPA. RESULTS Pressure measurements pre- and post-BPA were obtained from 110 lesions, where Pd and pressure ratio (Pd/Pp) increased after BPA in all lesions. Among them, RPI was observed in 49 lesions (44.5%). In the RPI-positive lesions, post-BPA Pd and post-BPA Pd/Pp were higher compared with the RPI-negative lesions. Multivariate logistic analysis revealed that the post-BPA Pd was independently associated with RPI incidence. Receiver operating characteristic curve analysis demonstrated the best cut-off value of 19.5 mm Hg for post-BPA Pd to predict RPI. CONCLUSIONS High reperfusion pressure after BPA could be a predictor of RPI. Monitoring local pressure during BPA procedure may have a potential to reduce the incidence of RPI.
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Key Words
- 95% CI, 95% confidence interval
- BPA, balloon pulmonary angioplasty
- Balloon pulmonary angioplasty
- CI, cardiac index
- CO, cardiac output
- CT, computed tomography
- CTEPH, chronic thromboembolic pulmonary hypertension
- Chronic thromboembolic pulmonary hypertension
- Complication
- IVUS, intravascular ultrasound
- MLD, minimal lumen diameter
- NIPPV, non-invasive positive pressure ventilation
- PAG, pulmonary angiography
- PAP, pulmonary arterial pressure
- PCWP, pulmonary capillary wedge pressure
- PEA, pulmonary endarterectomy
- PVR, pulmonary vascular resistance
- Pd, mean pulmonary arterial pressure distal to the stenosis
- Pp, mean pulmonary arterial pressure proximal to the stenosis
- Predictor
- ROC, receiver-operating characteristic
- RPI, reperfusion pulmonary injury
- Reperfusion pulmonary injury
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Affiliation(s)
- Hiroto Kinutani
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Toshiro Shinke
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Kazuhiko Nakayama
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Yu Taniguchi
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Hiromasa Otake
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Tomofumi Takaya
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Tsuyoshi Osue
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Akihide Konishi
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Noriaki Emoto
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Kobe University Graduate School of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe, Japan
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Abstract
Liver transplant (LT) is a major surgical undertaking involving major fluid shifts, hemodynamic instability and metabolic derangements in a patient with preexisting liver failure and multisystemic derangements. Monitoring and organ support initiated in the preoperative phase is continued intraoperatively and into the postoperative phase to ensure an optimal outcome. As cardiovascular events are the leading cause of non-graft related death among LT recipients, major emphasis is placed on cardiovascular monitoring. The other essential monitoring are the continuous assessment of coagulapathy, extent of metabolic derangements, dyselectrolytemis and intracranial pressure monitoring in patients with fulminant hepatic failure. The type and extent of monitoring differs with need according to preexisting child status of the patient and the extent of systemic derangements. It also varies among transplant centers and is mainly determined by individual or institutional practices.
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Key Words
- ACT, activated clotting time
- ALF
- ALF, acute liver failure
- APTT, activated partial thromboplastin time
- ARDS, acute respiratory distress syndrome
- CCO, continuous CO
- CCTs, conventional coagulation tests
- CI, cardiac index
- CL, clot lysis
- CO, cardiac output
- CR, clot rate
- CVP, central venous pressure
- ESLD, end stage liver disease
- EVLWI, extra vascular lung water index
- ICG, indocyanine green
- ICH, intracranial hypertension
- ICP, intracranial pressure
- LT, liver transplant
- MA, maximum amplitude
- ONSD, optic nerve sheath diameter
- PAC, pulmonary artery catheter
- PAOP, pulmonary arterial occlusion pressure
- PF, platelet function
- PI, pulsatility index
- PT, prothrombin time
- ROTEM, rotation thrombelastometry
- RVEDV, right ventricular end-diastolic volume
- SV, stroke volume
- SVR, systemic vascular resistance
- TCD, transcranial Doppler
- TDCO, thermodilution principle
- TEE, transesophageal echocardiography
- TEG, thrombelastography
- cirrhosis
- coagulopathy
- intracranial pressure monitoring
- liver transplant
- mPAP, mean pulmonary artery pressure
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Affiliation(s)
- Shweta Singh
- Address for correspondence: Shweta Singh, Associate Professor, Dept. of Anesthesiology and Critical Care, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi 110070, India. Tel.: +91 9810625177.
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Al-Eyadhy A. Mechanical ventilation strategy following Glenn and Fontan surgeries: On going challenge! J Saudi Heart Assoc 2009; 21:153-7. [PMID: 23960565 DOI: 10.1016/j.jsha.2009.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2009] [Accepted: 06/01/2009] [Indexed: 10/20/2022] Open
Abstract
The Glenn and Fontan operations put the pulmonary and systemic circulations in series. It has been shown that positive pressure ventilation (PPV) decreases pulmonary blood flow (PBF) and cardiac output (CO), and negative pressure ventilation (NPV) significantly improves PBF and CO. If early extubation is not achievable, the postoperative ventilator management strategy should aim at promoting PBF and CO by lowering pulmonary vascular resistance (PVR) and intrathoracic pressure. Multiple ventilator strategies have been evaluated to optimize this physiology, including high frequency ventilation, hyperventilation post Glenn, hypoventilation post Glenn with buffered pH, and the use of inhaled nitric oxide as an adjunct therapy for mechanical ventilation. In this review, the results of these studies will be reviewed and discussed.
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Key Words
- CO, cardiac output
- CO2, carbon dioxide
- IVC, inferior Vena Cava
- NPV, negative pressure ventilation
- PBF, pulmonary blood flow
- PDA, patent ductus arteriosus
- PEEP, positive end-expiratory pressure
- PPV, positive pressure ventilation
- PVR, pulmonary vascular resistance
- SaO2, arterial saturation
- TPG, transpulmonary gradient
- iNO, inhaled nitric oxide
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Affiliation(s)
- Ayman Al-Eyadhy
- Pediatric Critical Care Division, Department of Pediatrics, King Khalid University Hospital, King Saud University, Saudi Arabia
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