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Da'na S, Abedat S, Nachman D, Rokach Y, Qadan A, Karram S, Tzach-Nahman R, Beeri R, Amir O, Houri-Haddad Y, Asleh R. Induction of periodontitis and oral microbiome dysbiosis in a mouse model with heart failure with preserved ejection fraction results in worsening hypertension and diastolic dysfunction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
Heart Failure with Preserved Ejection Fraction (HFpEF) is characterized by increased inflammation and disruption of the nitric oxide (NO) pathway. Oral microbiota has an essential role in the generation of a large portion of the NO bioavailability pool in the human body. Periodontitis (PD) is a common inflammatory condition that contributes to the development of chronic low-grade inflammation, oral microbiota dysbiosis, and dysregulation of the NO hemostasis.
Purpose
In this study, we sought to investigate the direct effect of PD induction on HFpEF manifestation in a mouse model.
Methods
HFpEF was induced in 11-week-old C57/black male mice by high-fat diet and inhibition of NO synthase using L-NAME (Nω-nitro-l-arginine-methyl-ester) (a “2-hit-model”) for 10 weeks. PD was induced by oral infection with P. gingivalis. Diastolic function of the left ventricle (LV) was assessed by high-frequency echocardiography. Blood pressure (BP) was measured using CODA non-invasive tail-cuff system.
Results
Induction of PD resulted in a significantly impaired diastolic function demonstrated by more pronounced decrease in e' and increase in E/e' ratio compared to HFpEF without PD or control mice (E/e': 39.7±2.6 vs. 30.1±1.9 vs. 24.3±2.1 for PD-HFpEF [n=15], HFpEF [n=15], and controls [n=10], respectively, p<0.001). While LV ejection fraction (EF) was similar, global longitudinal strain (GLS) was decreased in the HFpEF group and further decreased in the PD-HFpEF group compared to controls (p<0.001). BP was elevated in the HFpEF mice and PD induction resulted in a more remarkable increase in BP (systolic BP: 124.7±3.3 vs. 112.7±3.8 vs. 94.8±2.2 mmHg, respectively, p<0.001).
Conclusions
Induction of PD in a mouse model with HFpEF results in a more pronounced BP elevation and diastolic dysfunction compared to HFpEF without PD. Extensive molecular experiments are ongoing to explore the mechanisms responsible for the increased HFpEF severity in the setting of PD.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): Israel Science Foundation
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Affiliation(s)
- S Da'na
- Hadassah University Medical Center , Jerusalem , Israel
| | - S Abedat
- Hadassah University Medical Center , Jerusalem , Israel
| | - D Nachman
- Hadassah University Medical Center , Jerusalem , Israel
| | - Y Rokach
- Hadassah University Medical Center , Jerusalem , Israel
| | - A Qadan
- Hadassah University Medical Center , Jerusalem , Israel
| | - S Karram
- Hadassah University Medical Center , Jerusalem , Israel
| | | | - R Beeri
- Hadassah University Medical Center , Jerusalem , Israel
| | - O Amir
- Hadassah University Medical Center , Jerusalem , Israel
| | | | - R Asleh
- Hadassah University Medical Center , Jerusalem , Israel
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2
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Briasoulis A, Inampudi C, Kourek C, Asleh R, Doulamis I. Characteristics and outcomes of left ventricular assist device recipients transplanted before and after the new donor heart allocation system. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Concerns about the impact of the new donor heart allocation system on post-transplant outcomes have emerged after its implementation. We sought to evaluate the characteristics and outcomes of left ventricular assist device (LVAD) recipients transplanted before and after the implantation of the new policy on October 18, 2018.
Methods
Data on bridge to transplantation adult LVAD patients January 2015 and October 2021, with durable LVAD as a (BTT), was queried from the United Network of Organ Sharing (UNOS) registry. The main outcomes were 30-day all-cause mortality, 30-day fatal graft failure, 1-year all-cause mortality, treated acute rejection at one year and renal replacement therapy (RRT) for acute renal failure.
Results
In our study, 7096 patients met the inclusion criteria including 2,435 in the new allocation system. The transplanted patients in the new allocation system era had older donor age, longer ischemic time and higher proportion of newer generation LVADs. Adjusted 30-day all-cause mortality was significantly lower for LVAD recipients in the new allocation system era (sub-hazard ratio [SHR] 0.36, 95% Confidence intervals [CI] 0.27–0.48, p<0.001) without differences in the risk of fatal graft failure and one-year mortality. Significantly lower adjusted 30-day mortality with HVAD and HM3 devices than HM2 in the new allocation system era was found, without differences in one-year mortality. Acute allograft rejection requiring treatment was significantly lower (Odds Ratio 0.78, 95% CI 0.65–0.94, p=0.01) whereas a trend towards higher risk of renal failure requiring RRT was identified.
Conclusions
Despite changing donor characteristics and longer ischemic times, post-transplant outcomes in LVAD recipients have not worsened with the implementation of the new allocation system and this finding is related to the use of newer generation continuous flow LVADs.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- A Briasoulis
- University of Iowa Hospitals and Clinics , Iowa City , United States of America
| | - C Inampudi
- University of Iowa Hospitals and Clinics , Iowa City , United States of America
| | - C Kourek
- National & Kapodistrian University of Athens Medical School , Athens , Greece
| | - R Asleh
- University of Iowa Hospitals and Clinics, Cardiology , Iowa , United States of America
| | - I Doulamis
- National & Kapodistrian University of Athens , Athens , Greece
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3
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Perez E, Abedat S, Meir K, Pollak A, Shapira O, Erez E, Leibowitz D, Asleh R, Amir O, Beeri R. Amyloidosis of the aortic valve in patients with degenerative and bicuspid aortic stenosis. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Aortic stenosis (AS) is a common valvular disease, resulting in substantial morbidity and mortality. In younger patients, AS may occur as part of the bicuspid aortic valve (BAV) syndrome. Transthyretin cardiac amyloidosis (ATTR-CA) is an infiltrative disorder caused by the extracellular deposition of insoluble amyloid-derived fibrils. Recent studies have shown the presence of ATTR-CA in 4%-29% of degenerative AS patients. We hypothesized that amyloidosis may be involved in valve injury leading to AS.
Material and methods
We studied the aortic valves of 124 patients who underwent surgical aortic valve replacement at our institution over the last decade, included in our cardiosurgical database. Valves from 86 degenerative AS patients were compared to a control group of 38 patients with BAV stenosis. Patients with pure aortic regurgitation, history of rheumatic disease, or severe renal disease were excluded. The slides were stained with Congo red, and Thioflavin S then examined with regular, fluorescence and polarized light microscopy.
Results
In the degenerative AS group, Congo red and Thioflavin S staining was positive in 63% of the valves and 37% negative. The bicuspid AS group showed 68% positive and 32% negative for the Congo Red and Thioflavin S stains.
Discussion and conclusion
Our results indicate the presence of valvular amyloidosis in patients with AS, whether due to degenerative or congenital etiologies. This corroborates several recent studies. Intriguingly, there was an equally positive Congo red and Thioflavin S signal in bicuspid aortic valves. We speculate that the positive staining in the BAV group may indicate an inflammatory process associated with valve pathology inducing the accumulation of amyloid, and thus may not be transthyretin, as we expect in the experimental group. Another explanation may be that amyloidosis may be an epiphenomenon of valve “wear and tear” and not related to the pathogenesis in either etiology. Specific TTR immunofluorescence is underway to elucidate this question.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- E Perez
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - S Abedat
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - K Meir
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - A Pollak
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - O Shapira
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - E Erez
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - D Leibowitz
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - R Asleh
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - O Amir
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
| | - R Beeri
- Hadassah-Hebrew University Medical Center , Jerusalem , Israel
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4
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Nachman D, Kolben Y, Carmon E, Hazan E, Goldstein N, Eisenkraft A, Fons M, Amir O, Asleh R, Gepner Y. Insights into diurnal variations of advanced hemodynamic parameters in ambulatory individuals enabled by a photoplethysmography-based wearable monitor. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Recent technological developments enable non-invasive monitoring of advanced hemodynamic parameters, allowing big data-driven insights on diurnal changes for the first time. This study aimed to describe the trends of multiple advanced cardiovascular parameters among ambulatory individuals using a medical grade wearable monitor.
Methods
Common and advanced cardio-respiratory parameters were monitored for 24 hours in ambulatory volunteers using a photoplethysmography-based wearable monitor. The multi vital ambulatory monitoring (MVAM) included stroke volume (SV), cardiac index (CI), systemic vascular resistance (SVR), blood oxygen saturation (SpO2), respiratory rate (RR), systolic (SBP) and diastolic blood pressure (DBP), mean arterial pressure (MAP), pulse pressure (PP), and heart rate (HR). Diurnal variations were evaluated among all participants, and analyses were stratified based on sex, age, and body-mass index (BMI).
Results
A total of 256 participants were included in the analysis. All measured parameters showed significant (p<0.001) diurnal changes. Nighttime values were lower excluding RR and SVR, reaching the nadir at 5 am, and then increasing to a maximum at 10 am, plateauing, and then gradually declining from 7 to 8 pm. CI demonstrated a reduction of 0.6 L/min/m2 (20%), while SVR demonstrated the opposite trend and was higher during the night increasing by up to 212 dynes/sec/cm5 (16%). Females demonstrated higher HR and CI with lower SVR during daytime and nighttime. Obese participants (BMI >30 kg/m2) had a higher SBP and DBP, and lower SV and CI. SVR was higher among the elderly.
Conclusions
Diurnal changes using MVAM corresponding with awake-sleep hours were noticed in the monitored parameters and differed between sex, age, and BMI groups. This suggests that wearable monitoring platforms could shed more light on hemodynamic changes in subgroups, and might help with future efforts to provide tailored personalized medicine and pre-symptomatic diagnosis and prevention.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- D Nachman
- Hadassah - Hebrew University Medical Center Jerusalem , Jerusalem , Israel
| | - Y Kolben
- Hadassah - Hebrew University Medical Center Jerusalem , Jerusalem , Israel
| | | | - E Hazan
- Meuhedet , Jerusalem , Israel
| | - N Goldstein
- Biobeat Technologies LTD , petach tikva , Israel
| | - A Eisenkraft
- Biobeat Technologies LTD , petach tikva , Israel
| | - M Fons
- Biobeat Technologies LTD , petach tikva , Israel
| | - O Amir
- Hadassah - Hebrew University Medical Center Jerusalem , Jerusalem , Israel
| | - R Asleh
- Hadassah - Hebrew University Medical Center Jerusalem , Jerusalem , Israel
| | - Y Gepner
- Tel Aviv University , Tel Aviv , Israel
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5
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Rokach Y, Abedat S, Nachman D, Dana S, Qadan A, Beeri R, Amir O, Asleh R. Alterations in the gut microbiota composition in the obesity phenotype of heart failure with preserved ejection fraction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Obesity is one of the most common phenotypes of heart failure with preserved ejection fraction (HFpEF). A growing body of evidence indicates that obesity is characterized by compositional alterations in the intestinal microbiota and its metabolites, collectively referred as dysbiosis.
Purpose
We sought to investigate whether the obese phenotype of HFpEF is mediated by further alterations in the microbiota and whether gut dysbiosis fuels metabolic inflammation leading to progression of HFpEF.
Methods
HFpEF was induced in C57/black mice by high-fat diet and inhibition of NO synthesis (a “2-hit-model”) (Figure 1A). High-frequency echocardiography was performed to assess diastolic function. Blood pressure (BP) was measured using CODA non-invasive tail-cuff system. For human studies, patients with obese HFpEF as well as obese and non-obese healthy individuals were prospectively recruited. Gut microbial DNA was subjected to 16S ribosomal RNA gene sequencing, and the differences in abundance and composition of bacteria were defined both in humans and mice.
Results
In mice, the 2-hit model demonstrated significantly increased BP and impaired diastolic function in the obese HFpEF group (Figure 1B). Microbiome analysis showed significant differences in the gut microbial diversity and composition in the obese HFpEF compared to the non-HFpEF obese and chow-fed mice (Figure 1C). Similarly, human microbiome sequencing showed significant gut bacterial alterations in the diversity and composition of bacteria with more profound dysbiosis observed in the obese HFpEF patients compared to the obese and lean healthy individuals (Figure 1D).
Conclusions
We provide evidence in humans as well as in a murine animal model that the obese HFpEF phenotype is associated with more pronounced gut dysbiosis compared to the non-HFpEF obesity state. Further research will elucidate the causative link between gut dysbiosis and HFpEF manifestation and the mechanistic insights into the implication of gut microbiota in HFpEF progression.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): Israel science foundation
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Affiliation(s)
- Y Rokach
- Hadassah-Hebrew University , Jerusalem , Israel
| | - S Abedat
- Hadassah-Hebrew University , Jerusalem , Israel
| | - D Nachman
- Hadassah-Hebrew University , Jerusalem , Israel
| | - S Dana
- Hadassah-Hebrew University , Jerusalem , Israel
| | - A Qadan
- Hadassah-Hebrew University , Jerusalem , Israel
| | - R Beeri
- Hadassah-Hebrew University , Jerusalem , Israel
| | - O Amir
- Hadassah-Hebrew University , Jerusalem , Israel
| | - R Asleh
- Hadassah-Hebrew University , Jerusalem , Israel
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Alnsasra H, Asleh R, Kumar N, Toya T, Lopez C, Kremers W, Edwards B, Daly R, Kushwaha S. Incidence, Predictors and Outcomes of Stroke Following Cardiac Transplantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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7
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Anand S, Young P, Alnsasra H, Shrivastava S, Asleh R, Murphy K, Smith B, Kremers W, Kushwaha S, Clavell A, Steidley D, Pereira N, Lemond L. Utilization of cardiac MRI for the assessment of suspected rejection with negative biopsy in heart transplant recipients. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Heart transplant (HTx) patients can develop graft dysfunction (GD) without biopsy evidence of cell or antibody mediated rejection. Cardiac MRI (CMR) can detect inflammatory or infiltrative causes of cardiomyopathy however CMR findings in HTx recipients with GD have not been previously described.
Purpose
We sought to identify CMR characteristics of HTx patients with GD, and evaluate its additive value in its diagnosis and prognosis.
Methods
CMR has been performed routinely to evaluate GD at our institutions. There were 37 HTx recipients who presented with acute decline in left ventricular ejection fraction (LVEF) of <50% and >10% from baseline, with no biopsy evidence of rejection between 2007 and 2018. Coronary angiogram with IVUS was done to rule out allograft vasculopathy. Treatment of GD was per discretion of the treating clinician. Responders were defined as those with LVEF improvement >10% at 180 days or greater post-presentation. LV and RV indices, the presence and pattern of late gadolinium enhancement (LGE) were determined by CMR.
Results
There were 34% females and mean age at transplant was 49±13 years. Median time from HTx to GD was 1.2 years. Presenting symptoms were heart failure (n=25), cardiogenic shock (n=1) and 11 patients were asymptomatic. Mean LVEF at presentation was 37±12% and donor specific antibodies were detected in 38% patients. Most patients were treated with steroid bolus (n=29), and/or plasmapheresis (n=23). There were no major changes made in immunosuppression in 6 patients. Delayed enhancement MRI was performed with standard inversion-recovery (IR) gradient echo sequences, between 5 and 20 minutes after institutional-standard protocol administration of IV gadolinium contrast. Biventricular LGE was present in 18/37 (49%) patients with GD and was more prevalent in responders (57%, 13 of 23) than non-responders (35%, 5 of 14), although not statistically significant (p=0.21). There were two patterns of LGE noted: 1) Diffuse epicardial (10 patients out which 9 were responders) and 2) Patchy pattern with non-specific distribution (8 patients out of which 4 were responders). Myocardial edema by triple IR sequencing was seen in 6 patients, all having diffuse epicardial pattern of enhancement matching the delayed enhancement pattern. When comparing different treatment groups, among those treated for GD (n=31), 12 of 21 (57%) responders had LGE and 4 of 10 (40%) non-responders had LGE (p=0.37), a pattern similar to the broader population. Among those not treated for GD (n=6), 1 of 2 responders had LGE and 1 of 4 non-responders had LGE (p=0.5).
Conclusion
CMR identified inflammation as a potential cause of GD in approximately 50% of HTx patients. There are 2 distinct patterns of LGE observed in GD, diffuse epicardial (56%) and patchy (44%). Although the presence of LGE in itself is not associated with myocardial recovery, 90% of patients with a diffuse epicardial pattern have recovery of GD.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- S Anand
- Mayo Clinic Arizona, Scottsdale, United States of America
| | - P Young
- Mayo Clinic, Rochester, United States of America
| | - H Alnsasra
- Mayo Clinic, Rochester, United States of America
| | | | - R Asleh
- Mayo Clinic, Rochester, United States of America
| | - K Murphy
- Mayo Clinic Arizona, Scottsdale, United States of America
| | - B Smith
- Mayo Clinic, Rochester, United States of America
| | - W Kremers
- Mayo Clinic, Rochester, United States of America
| | - S Kushwaha
- Mayo Clinic, Rochester, United States of America
| | - A Clavell
- Mayo Clinic, Rochester, United States of America
| | - D.E Steidley
- Mayo Clinic Arizona, Scottsdale, United States of America
| | - N Pereira
- Mayo Clinic, Rochester, United States of America
| | - L.M Lemond
- Mayo Clinic Arizona, Scottsdale, United States of America
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Asleh R, Briasoulis A, Smith B, Lopez C, Lerman A, Pereira N, Daly R, Kremers W, Clavell A, Stulak J, Kushwaha S. Effects of Aspirin on Progression of Cardiac Allograft Vasculopathy and Outcomes after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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9
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Asleh R, Alnsasra H, Schettle S, Taher R, Dunlay S, Stulak J, Daly R, Behfar A, Pereira N, Clavell A, Multais S, Frantz R, Kushwaha S. Predictors and Clinical Outcomes of Vasoplegia in Patients Bridged to Heart Transplantation with Continuous Flow Left Ventricular Assist Devices. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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10
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Asleh R, Li X, Alnsasra H, Briasoulis A, Smith B, Kremers W, Pereira N, Edwards B, Daly R, Stulak J, Clavell A, Kushwaha S. Long-Term Sirolimus for Primary Immunosuppression and Incidence of De Novo Malignancy Following Heart Transplantation. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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11
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Asleh R, Schettle S, Maltais S, Daly R, Iyer V, Stulak J, Rodeheffer R. Promising Novel Treatment with Intravenous Bevacizumab for Refractory Gastrointestinal Bleeding from Angiodysplastic Lesions in Patients Supported with a Continuous-Flow Left Ventricular Assist Device: A Pilot Study. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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12
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Asleh R, Hasin T, Schettle S, Borlaug B, Pereira N, Edwards B, Clavell A, Joyce L, Daly R, Joyce D, Park S, Maltais S, Stulak J, Kushwaha S. Hemodynamic Assessment in Patients on Chronic Continuous Flow Left Ventricular Assist Device Support with and without Heart Failure Symptoms. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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13
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Asleh R, Schettle S, Briasoulis A, Tchantchaleishvili V, Pereira N, Edwards B, Clavell A, Maltais S, Joyce D, Park S, Joyce L, Daly R, Kushwaha S, Stulak J. Effects of Diabetes Mellitus on Clinical Outcomes After Left Ventricular Assist Device Implantation: A Single Institutional 9-Year Experience. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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