Severity of LV diastolic dysfunction in patients with atrial fibrillation chronic heart failure and normal LV ejection fraction

2008 ◽  
Vol 7 ◽  
pp. 131-131
Author(s):  
A OVCHINNIKOV ◽  
O SVIRIDA ◽  
F AGEEV
2020 ◽  
pp. 1-9

Heart Failure with preserved Ejection Fraction (HFpEF) is a clinical syndrome in which patients have symptoms of Heart Failure (HF), such as dyspnea and fatigue, a Left Ventricular Ejection Fraction (LVEF) ≥ 50% and evidence of cardiac dysfunction as a cause of symptoms, such as abnormal Left Ventricular (LV) diastolic dysfunction with elevated filling pressures. Besides LV diastolic dysfunction, recent investigations suggest a more complex and heterogeneous pathophysiology, including systolic reserve abnormalities, chronotropic incompetence, stiffening of ventricular tissue, atrial dysfunction, secondary Pulmonary Arterial Hypertension (PAH), impaired vasodilatation and endothelial dysfunction. Unlike Heart Failure with Reduced Ejection Fraction (HFrEF), clinical trials over the years have not yet identified effective treatments that reduce mortality in patients with HFpEF. A database on use of carvedilol in a private cardiologist's practice was begun in 1997 and concluded at the end of 2018. We used this database to test the hypothesis that combining pharmacological interventions to address diastolic dysfunction (carvedilol), volume overload (spironolactone/eplerenone) and endothelial dysfunction (statins) with weight loss may benefit patients with HFpEF. We report analysis of 335 patients with HFpEF comprised of 61% female (mean age 74 ± 8) and 39% males (mean age 72 ± 7). Initial EF ranged between 50 and 77% with mean EF of 57 ± 6%. Only 15 patients were changed to metoprolol succinate, verapamil or diltiazem because of adverse side effects. Two hundred and twenty of the patients were in normal sinus rhythm when started on carvedilol, spironolactone/eplerenone and statin therapy with weight loss counseling. After 5 years, 191 patients were still on combination therapy, and only 31 (17%) had developed Atrial Fibrillation (AF). Compared to previous HFpEF trials reporting a 32% risk of developing atrial fibrillation after 4 years, our combination therapy significantly (p < 0.05) reduced the risk of developing AF over 5 years. Thus, irrespective of age and sex with comorbidities of type 2 Diabetes Mellitus (DM) and Chronic Kidney Disease (CKD), patients with HFpEF can be managed successfully with carvedilol, spironolactone/eplerenone and statins with a clinical benefit being a reduced risk of developing AF. We consider these data hypothesis-generating and hope these results will be tested further in database analyses and clinical trials.


Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Akimichi Saito ◽  
Naoki Ishimori ◽  
Mikito Nishikawa ◽  
Shintaro Kinugawa ◽  
Hiroyuki Tsutsui

Objective: Inflammatory mediators play a crucial role in the development of chronic heart failure (HF). Invariant natural killer T (iNKT) cells, a unique subset of T lymphocytes, which recognize glycolipid antigens and secrete a large amount of T helper (Th) 1/Th2 cytokines on activation, function as immunomodulatory cells in the various pathological processes. We have demonstrated that iNKT cells have a protective role against the development of left ventricular (LV) remodeling and failure after myocardial infarction in mice. However, it remains unclear whether iNKT cells are involved in the development of HF in humans. Methods and Results: Nine HF patients (NYHA II or III, LV ejection fraction 26.3±3.0%) and 8 healthy controls were studied. The mean age and male gender were comparable between HF and controls (51.2±5.1 vs. 45.1±4.5 years and 77.8 vs. 75.0%). The causes of HF were idiopathic dilated cardiomyopathy in 3, ischemic in 2, and others in 4 patients. Plasma BNP was significantly higher in HF than in controls (739.4±207.2 vs. 19.8±6.5 pg/mL, P <0.01). The number of circulating iNKT cells, identified by the positive-staining of Vα24-Jα18 T Cell Receptor by flow-cytometric analysis, was significantly lower in HF (747±85 vs. 1058±271 counts/mL, P <0.01). Its ratio to the total lymphocyte was also significantly lower (0.111±0.004 vs. 0.146±0.035%, P <0.01). Plasma interleukin-6 and high-sensitivity CRP were significantly higher in HF (3.99±0.86 vs. 0.78±0.14 pg/mL and 0.28±0.10 vs. 0.06±0.02 mg/dL, respectively, both P <0.01). LV ejection fraction ( r =0.72, P <0.05) and plasma log BNP ( r =-0.70, P <0.05) were significantly correlated to the ratio of iNKT cells among HF patients. Conclusions: Circulating iNKT cells were decreased in HF patients, suggesting that they have a potential role in the development of human HF.


2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Laura Houard ◽  
Mihaela S. Amzulescu ◽  
Geoffrey Colin ◽  
Helene Langet ◽  
Sebastian Militaru ◽  
...  

Background: Pulmonary transit time (PTT) from first-pass perfusion imaging is a novel parameter to evaluate hemodynamic congestion by cardiac magnetic resonance (cMR). We sought to evaluate the additional prognostic value of PTT in heart failure with reduced ejection fraction over other well-validated predictors of risk including the Meta-Analysis Global Group in Chronic Heart Failure risk score and ischemic cause. Methods: We prospectively followed 410 patients with chronic heart failure with reduced ejection fraction (61±13 years, left ventricular (LV) ejection fraction 24±7%) who underwent a clinical cMR to assess the prognostic value of PTT for a primary endpoint of overall mortality and secondary composite endpoint of cardiovascular death and heart failure hospitalization. Normal reference values of PTT were evaluated in a population of 40 asymptomatic volunteers free of cardiovascular disease. Results PTT was significantly increased in patients with heart failure with reduced ejection fraction as compared to controls (9±6 beats and 7±2 beats, respectively, P <0.001), and correlated not only with New York Heart Association class, cMR–LV and cMR–right ventricular (RV) volumes, cMR-RV and cMR-LV ejection fraction, and feature tracking global longitudinal strain, but also with cardiac output. Over 6-year median follow-up, 182 patients died and 200 reached the secondary endpoint. By multivariate Cox analysis, PTT was an independent and significant predictor of both endpoints after adjustment for Meta-Analysis Global Group in Chronic Heart Failure risk score and ischemic cause. Importantly in multivariable analysis, PTT in beats had significantly higher additional prognostic value to predict not only overall mortality (χ 2 to improve, 12.3; hazard ratio, 1.35 [95% CI, 1.16–1.58]; P <0.001) but also the secondary composite endpoints (χ 2 to improve=20.1; hazard ratio, 1.23 [95% CI, 1.21–1.60]; P <0.001) than cMR-LV ejection fraction, cMR-RV ejection fraction, LV–feature tracking global longitudinal strain, or RV–feature tracking global longitudinal strain. Importantly, PTT was independent and complementary to both pulmonary artery pressure and reduced RV ejection fraction<42% to predict overall mortality and secondary combined endpoints. Conclusions: Despite limitations in temporal resolution, PTT derived from first-pass perfusion imaging provides higher and independent prognostic information in heart failure with reduced ejection fraction than clinical and other cMR parameters, including LV and RV ejection fraction or feature tracking global longitudinal strain. Registration: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT03969394.


2016 ◽  
Vol 25 ◽  
pp. S113
Author(s):  
D. Jackson ◽  
P. Mottram ◽  
C. Bowman ◽  
J. Cameron ◽  
H. Rashid ◽  
...  

2021 ◽  
Vol 8 (7) ◽  
pp. 911
Author(s):  
Sabapathy K.

Background: The aim of the present study is to detect left ventricular (LV) mass and to find out sub clinical LV diastolic dysfunction in hypertensive patients with preserved LV ejection fraction (EF) using echocardiographic parameters.Methods: 96 patients with hypertension were randomly selected irrespective of their sex, race and risk factor and enrolled into this study. Left ventricular mass index (LVMI) and geometrical pattern LV structure were measured. Sub clinical diastolic dysfunction was also assessed by tissue Doppler.Results: Out of 96 patients, 24 had ECG evidence of LV hypertrophy (LVH) 66 were having increased LVMI (154±20), rest 30 had normal LVMI (108±12). They were divided by LV geometrical pattern into concentric LVH (40), eccentric LVH (26), concentric remodeling (19) and normal (11). Diastolic dysfunction in these patients were assessed by E/E´ measurement which was abnormally increased in 42 out of 66 patients with increased LVMI (20±3.4) and 16 out of 30 patients with normal LVMI.Conclusions: Echocardiographic examination help us to find out LVH precisely by calculating LVMI. It also reveals structural changes like concentric LVH, eccentric LVH, concentric remodeling. A significant number of patients with hypertension with normal LV ejection fraction has sub clinical LV diastolic dysfunction which was detected by tissue Doppler imaging (E/E′). The increase in LVMI with or without concentric LVH is an independent risk factor and prognostic marker for cardio vascular events that occur in hypertensive patients. In this study we infer that patients with increase in LVMI with concentric LVH pattern with normal ejection fraction needs more aggressive treatment and regular follow up to prevent cardiovascular complications.


EP Europace ◽  
2020 ◽  
Vol 22 (Supplement_1) ◽  
Author(s):  
T Zolotarova

Abstract Introduction. Randomized controlled trials and meta-analyzes have shown high efficacy of the radiofrequency ablation (RFA) for both initial and secondary strategies after unsuccessful drug therapy (DT) to maintain sinus rhythm (SR) and improve functional and morphological quality of life; in patients with chronic heart failure (CHF), RFA were associated with a significant relative reduction in the risk of overall mortality, atrial fibrillation (AF) recurrence, and hospitalization for cardiac pathology (compared with DT). High risk of arrhythmia recurrence (up to 45% within 6 - 12 months after intervention) remains a major RFA problem. Purpose. to evaluate predictive properties of demographic, hemodynamic and electrocardiographic parameters for recurrence after atrial fibrillation ablation in patients with chronic heart failure with preserved ejection fraction. Methods. We included 120 patients, aged 59.80 ± 10.08 years with CHF with preserved ejection fraction (EF) of left ventricle (LV) who underwent first time RFA for AF with LV EF(&gt; 40%) I-III FC NYHA. Baseline clinical data, ECG before and after the procedure, ECHO parameters were collected Results Thirty-two patients had AF recurrence after a mean follow-up of twelve months. Those experiencing recurrence were more female (50% vs.39%, p &lt;0,01), had a longer QTc interval before ablation than those without recurrence (387,23 ± 2,31 vs. 341,22 ± 8,91 ms, p &lt; 0,01) and after ablation (439,01 ± 4,73 vs. 373,21 ± 7,92 ms, p &lt; 0,001), lower LV EF (59% vs. 63%, p &lt; 0,05), higher left atrium diameter (4,59 ± 0,45 vs. 4,08 ± 0,61 cm, p &lt; 0,001) and higher mean pulmonary artery gradient (32,86 ± 9,67 vs. 25,15 ± 9,73, p &lt; 0,01). Conclusions. QTc duration to radiofrequency ablation and its prolongation after intervention are independent predictors of arrhythmia recurrence in patients with chronic heart failure with a preserved left ventricular ejection fraction. The size of the left atrium before ablation is a highly sensitive predictor of recurrence of arrhythmia


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
B Schneider ◽  
T H Huemme ◽  
J Schwab ◽  
B Gerecke ◽  
U Desch ◽  
...  

Abstract Background Left ventricular noncompaction cardiomyopathy (LVNC) is characterized by an increased number of LV trabeculations with deep intertrabecular recesses. This abnormality is associated with heart failure, arrhythmias and arterial embolic events (AE). At present, it is unknown if AE is mainly due to blood stasis within the intertrabecular recesses, reduced LV ejection fraction or concomitant atrial fibrillation. LVNC is usually diagnosed by echocardiography but cardiac magnetic resonance imaging (CMRI) has evolved as an alternative method. This study assessed the prognostic value of CMRI for arterial embolic events in patients (pts) with LVNC. Methods 34 consecutive pts (19m, 15f, age 53±16) with LVNC underwent cine and contrast-enhanced CMRI with a 1.5 T scanner. LV diameter, volume, ejection fraction, and ratio of noncompacted to compacted myocardium (NC/C) were determined, and in 32 pts presence and localization of late gadolinium enhancement (LGE) was assessed. Clinical and CMRI findings were compared in pts with and without LV thrombus and/or AE. Results Overall, 20 pts (59%) were in heart failure NYHA III or IV, 14 (41%) had left bundle branch block (LBBB), 7 (21%) paroxysmal atrial fibrillation and 6 (19%) ventricular tachycardia (VT). By CMRI, LV diameter in end-diastole (66±8 mm), end-systole (53±10 mm), end-diastolic (229±69 ml) and end-systolic volume (150±68 ml) were enlarged and ejection fraction (36±14%) was reduced. The NC/C ratio was 3.2±1.4 in end-diastole and 2.6±1.4 in end-systole. One pt had right ventricular involvement with a thrombus. LGE was seen in 9/32 pts (28%) in the compacted myocardial layer (n=6), in the noncompacted trabecular layer (n=6) and within the papillary muscles (n=3). LGE was present in 3 areas in 1 and in 2 areas in 4 pts. In 3 pts (9%) a thrombus was seen within the trabecular layer which resolved under anticoagulation, and 6 additional pts (18%) without detectable thrombus experienced AE (transient ischemic attack n=1, stroke n=5). Thrombus and/or AE were not associated with age, sex, NYHA class, larger left atrial or LV diameter, LV volume, LBBB or documented VT. Atrial fibrillation (2/9 vs 5/25 pts, p=ns), LV ejection fraction (33±13% vs 38±15%, p=ns) and the NC/C ratio in end-diastole (median 3.2 vs 3) or end-systole (both median 2.6, p=ns) were similar. Thrombus and/or AE occurred mainly in pts with LGE (6/9 vs 2/23 pts, p=0.002). Conclusion In LVNC, evaluation by CMRI and demonstration of LGE in the compacted or noncompacted myocardium identifies patients at high risk for thrombus formation and/or arterial embolic events, warranting anticoagulation.


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
M S Dzeshka ◽  
E Shantsila ◽  
V A Snezhitskiy ◽  
G Y H Lip

Abstract Introduction Atrial fibrillation (AF) and heart failure with preserved ejection fraction (HFpEF) commonly coexist. AF is associated with left atrial (LA) and ventricular (LV) myocardial fibrosis, contributing to diastolic dysfunction in HFpEF. Many profibrotic pathways have been studied in AF and HFpEF, but scarce data are available on the role of circulating microparticles (MPs). Purpose To evaluate association of circulating biomarkers of fibrosis and MPs subsets with Doppler-derived parameters of diastolic function in AF and HFpEF. Methods We studied 274 patients with non-valvular AF and HFpEF (median age 62 years, 37% females). Paroxysmal AF was diagnosed in 150 patients (55%) and non-paroxysmal AF (persistent or permanent) in 124 (45%). Median CHA2DS2-VASc score was 3 in males and 4 in females. Transthoracic echocardiography was performed to assess LV diastolic function, including early mitral inflow velocity (E), E/A velocities ratio (on sinus rhythm), early mitral annular diastolic velocity (E') for LV septal and lateral basal regions, E/E' ratio, LA maximum volume index (LAVi), E-wave velocity deceleration time (DT), flow propagation velocity (Vp). Average values from ten consecutive cardiac cycles were calculated. E/E' ratio was chosen as valid and reproducible index of diastolic function in AF patients for regression analysis. Blood levels of galectin 3, interleukin-1 receptor-like 1 (ST2), transforming growth factor beta 1 (TGF-β1), procollagen type III aminoterminal propeptide (PIIINP), matrix metalloproteinase 9 (MMP-9), tissue inhibitor of matrix metalloproteinase 1 (TIMP-1), angiotensin II and aldosterone level were assayed as surrogate biomarkers of myocardial fibrosis and profibrotic signaling. Using microflow cytometry, numbers of platelet-derived (CD42b+), monocyte-derived (CD14+), endothelial (CD144+), and apoptotic MPs (Annexin V+) were quantified in plasma samples. Linear regression was used to reveal parameters associated with diastolic function assessed as E/E' ratio. Data were normalized with Box-Cox transformation. Results Grade I diastolic dysfunction was found in 149 (54%); 94 (34%), and 31 (11%) patients had grade II and grade III diastolic dysfunction, respectively. On univariate analysis, age (β=0.23, p=0.0001); male gender (β=-0.19, p=0.02); history of hypertension (β=0.15, p=0.02); AF type, i.e. progression from paroxysmal to permanent (β=0.14, p=0.02); AnV+ MPs (β=0.19, p=0.01); angiotensin II (β=0.13, p=0.04); ST2 (β=0.1, p=0.04); and TIMP-1 (β=0.13, p=0.03) were associated with E/E' ratio. Using stepwise multivariate regression, AnV+ MPs (β=0.15, p=0.01) and TIMP-1 (β=0.3, p=0.04) remained significant predictors of E/E' ratio, adjusted for age, gender, hypertension and AF type. Relation of E/E' to TIMP-1 and AnV+ MPs Conclusion Apoptotic (AnV+) MPs and TIMP-1 were independently associated with diastolic dysfunction in AF and HFpEF. These may contribute to the pathophysiology of AF and HFpEF, and complications related to the presence of both. Acknowledgement/Funding ESC Research Grant, EHRA Academic Research Fellowship Programme


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