Impact of rhythm in non-valvular atrial fibrillation on four cardiac chamber deformation imaging

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
P Philabout ◽  
L Soulat-Dufour ◽  
I Benhamou-Tarallo ◽  
S Lang ◽  
S Ederhy ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Sinus Rhythm ◽  
Cardiac Rhythm ◽  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Cardiac Chamber ◽  
Deformation Imaging ◽  
And Function

Abstract Background Few studies have assessed the evolution of cardiac chambers deformation imaging in patients with atrial fibrillation (AF) according to cardiac rhythm outcome. Purpose To evaluate cardiac chamber deformation imaging in patients admitted for AF and the evolution at 6-month follow-up (M6). Methods In forty-one consecutive patients hospitalised for AF two-dimensional transthoracic echocardiography was performed at admission (M0) and after six months (M6) of follow up. In addition to the usual parameters of chamber size and function, chamber deformation imaging was obtained including global left atrium (LA) and right atrium (RA) reservoir strain, global left ventricular (LV) and right ventricular (RV) free wall longitudinal strain. Patients were divided into three groups according to their cardiac rhythm at M0 and M6: AF at M0 and sinus rhythm (SR) at M6 (AF-SR) (n=23), AF at M0 and AF at M6 (AF-AF) (n=11), SR at M0 (spontaneous conversion before the first echocardiography exam) and SR in M6 (SR-SR) (n=7) Results In comparison with SR patients (n=7), at M0, AF patients (n=34)) had lower global LA reservoir strain (+5.2 (+0.4 to 12.8) versus +33.2 (+27.0 to +51.5)%; p<0.001), lower global RA reservoir strain (+8.6 (−5.4 to 11.6) versus +24.3 (+12.3 to +44.9)%; p<0.001), lower global LV longitudinal strain (respectively −12.8 (−15.2 to −10.4) versus −19.1 (−21.8 to −18.3)%; p<0.001) and lower global RV longitudinal strain (respectively −14.2 (−17.3 to −10.7) versus −23.8 (−31.1 to −16.2)%; p=0.001). When compared with the AF-SR group at M0 the AF-AF group had no significant differences with regard to global LA and RA reservoir strain, global LV and RV longitudinal strain (Table). Between M0 and M6 there was a significant improvement in global longitudinal strain of the four chambers in the AF-SR group whereas no improvements were noted in the AF-AF and SR-SR group (Figure). Conclusion Initial atrial and ventricular deformations were not associated with rhythm outcome at six-month follow up in AF. The improvement in strain in all four chambers strain suggests global reverse remodelling all cardiac cavities with the restoration of sinus rhythm. Evolution of strain between M0 and M6 Funding Acknowledgement Type of funding source: None

scholarly journals Relationship between cardiac structure and function and atrial fibrillation related hospitalizations following catheter ablation

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
F.J Olsen ◽  
S Darkner ◽  
X Chen ◽  
S Pehrson ◽  
A Johannessen ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Catheter Ablation ◽  
Sinus Rhythm ◽  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Funding Source ◽  
Risk Patients ◽  
Atrial Strain ◽  
And Function

Abstract Background Even though catheter ablation (CA) is an effective treatment for atrial fibrillation (AF), AF-related hospitalizations and cardioversions are common following this procedure. Purpose To investigate whether echocardiographic measures of left atrial (LA) function could predict AF-related hospitalizations and cardioversions. Methods This was a substudy of a trial that randomized patients to amiodarone vs place to reduce AF recurrence following CA. Transthoracic echocardiography was performed prior to CA and included assessment of: end-systolic and end-diastolic LA volumes, emptying fraction (LAEF), atrial strain, and global longitudinal strain (GLS). Poisson regression was used to assess predictive value for AF-related hospitalizations and cardioversions. Multivariable adjustments were made for: age, gender, ejection fraction, AF burden, AF subtype, dyspnea, and class 1c antiarrhythmics. Results Of the 212 patients, 80 were hospitalized for AF (206 times), and 77 were cardioverted (192 times) within the 6 months follow-up period. Mean age was 60 years, 83% were men, and mean LVEF was 50%. In univariable analyses, LA volumes, LAEF and GLS were predictors of the outcomes but did not remain significant predictors after multivariable adjustments. During echocardiography 162 patients were in sinus rhythm and 50 had AF rhythm. Rhythm during the echocardiogram modified the association between GLS and outcomes (p for interaction <0.05 for both endpoints), such that GLS predicted both AF-related hospitalizations and cardioversions in patients with sinus rhythm but not AF during the echocardiogram (figure). Conclusion Global longitudinal strain predicts AF-related hospitalizations and cardioversions after CA, but only in patients presenting in sinus rhythm during the echocardiogram. Patients presenting with impaired global longitudinal strain should be considered high-risk patients following CA who may benefit from close follow-up. Funding Acknowledgement Type of funding source: Foundation. Main funding source(s): The Danish Heart Foundation

Early change in left atrial and left ventricular strain predicts sinus rhythm maintenance after cardioversion

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
K Kupczynska ◽  
D Miskowiec ◽  
B Michalski ◽  
L Szyda ◽  
K Wierzbowska-Drabik ◽  
...  
Keyword(s):  
Sinus Rhythm ◽  
Left Atrial ◽  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Recurrence Risk ◽  
Left Ventricular ◽  
Mechanical Function ◽  
Af Recurrence

Abstract Background Atrial fibrillation (AF) impairs mechanical function of the heart, especially atria and restoration of sinus rhythm (SR) leads to improvement of mechanics. The predicting role of changes in strain parameters for AF recurrence is not established yet. Purpose To analyse changes in left atrial (LA) and left ventricular (LV) mechanical function after conversion to SR and their prognostic values for AF recurrence during 24 months follow-up. Methods Prospective study involved 59 patients after successful electrical cardioversion (EC) because of nonvalvular AF (mean age 65±4 years, 47% female). Speckle tracking analysis (STE) was applied to calculate longitudinal strain of LV and LA before EC and within 24 hours after restoration of SR and additionally total left heart strain (TS) defined as a sum of absolute peak LV and LA strain. We calculated change in strain between AF and SR analyses expressed as delta (Δ). During follow-up we noticed AF recurrence in 42 (71%) patients, most of them (93%) during 1st year after EC. Median time of AF recurrence was 3 months. Results We noticed significant immediate post-EC improvement in peak LA longitudinal strain (PALS) and LV global longitudinal strain (LVGLS) (table). Unlike CHA2DS2-VASc score, strain parameters were predictors of AF recurrence. Every 1% increment in ΔLVGLS was related with 13% increase in AF recurrence risk (p=0.02) and every 1% increment in ΔPALS and ΔTS were related with 9% decrease in AF recurrence risk (p=0.007 and p=0.0014, respectively). Multivariate analysis revealed ΔTS as a strongest predictor with 9% decrease in AF risk per every 1% increment. The criterion of ΔTS ≤7.5% allows to predict AF recurrence with 81% sensitivity and 63% specificity. Conclusions Speckle tracking measurements are able to detect early mechanical changes in LA even within 24 hours of SR and these absolute changes in LVGLS as well as PALS can predict AF recurrence, with optimal stratification by novel parameter - TS. Funding Acknowledgement Type of funding source: None

scholarly journals Feature-tracking cardiac magnetic resonance left ventricular global longitudinal strain improves 6 months after kidney transplantation associated with reverse remodeling, not myocardial tissue characteristics

2021 ◽  
Author(s):  
Maurício Fregonesi Barbosa ◽  
Mariana Moraes Contti ◽  
Luis Gustavo Modelli de Andrade ◽  
Alejandra del Carmen Villanueva Mauricio ◽  
Sergio Marrone Ribeiro ◽  
...  
Keyword(s):  
Kidney Transplantation ◽  
Cardiac Magnetic Resonance ◽  
Feature Tracking ◽  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Reverse Remodeling ◽  
Myocardial Tissue ◽  
Tissue Characteristics

AbstractTo determine whether left ventricular (LV) global longitudinal strain (GLS) measured by feature-tracking (FT) cardiac magnetic resonance (CMR) improves after kidney transplantation (KT) and to analyze associations between LV GLS, reverse remodeling and myocardial tissue characteristics. This is a prospective single-center cohort study of kidney transplant recipients who underwent two CMR examinations in a 3T scanner, including cines, tagging, T1 and T2 mapping. The baseline exam was done up to 10 days after transplantation and the follow-up after 6 months. Age and sex-matched healthy controls were also studied for comparison. A total of 44 patients [mean age 50 ± 11 years-old, 27 (61.4%) male] completed the two CMR exams. LV GLS improved from − 13.4% ± 3.0 at baseline to − 15.2% ± 2.7 at follow-up (p < 0.001), but remained impaired when compared with controls (− 17.7% ± 1.5, p = 0.007). We observed significant correlation between improvement in LV GLS with reductions of left ventricular mass index (r = 0.356, p = 0.018). Improvement in LV GLS paralleled improvements in LV stroke volume index (r = − 0.429, p = 0.004), ejection fraction (r = − 0.408, p = 0.006), global circumferential strain (r = 0.420, p = 0.004) and global radial strain (r = − 0.530, p = 0.002). There were no significant correlations between LV GLS, native T1 or T2 measurements (p > 0.05). In this study, we demonstrated that LV GLS measured by FT-CMR improves 6 months after KT in association with reverse remodeling, but not native T1 or T2 measurements.

scholarly journals P1386 A change in left ventricular global longitudinal strain is a prognostic indicator in congestive heart failure patients with preserved ejection fraction

2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
E Sakaguchi ◽  
A Yamada ◽  
M Hoshino ◽  
K Takada ◽  
N Hoshino ◽  
...  
Keyword(s):  
Heart Failure ◽  
Congestive Heart Failure ◽  
Ejection Fraction ◽  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Stable Condition ◽  
Left Ventricular ◽  
Operating Characteristics ◽  
Cardiac Events

Abstract Purposes We examined how changes in left ventricular (LV) global longitudinal strain (GLS) were associated with prognosis in patients with preserved LV ejection fraction (LVEF) after congestive heart failure (HF) admission. Methods We studied 123 consecutive patients (age 70 ± 15 years, 55% male) who had been hospitalized due to congestive HF with preserved LVEF (&gt; 50%). The exclusion criteria were atrial fibrillation and inadequate echo image quality for strain analyses. The patients underwent speckle-tracking echocardiography and measurement of plasma NT-ProBNP levels on the same day at the time of hospital admission as well as in the stable condition after discharge. Differences in GLS, LVEF and NT-ProBNP (delta GLS, LVEF and NT-ProBNP ; 2nd – 1st measurements) were calculated. The study end points were all-cause mortality and cardiac events. Results Mean periods of echo performance after hospitalization were 2 ±１days (1st echo) and 240 ± 289 days (2nd echo), respectively. During the follow-up (974 ± 626 days), 12 patients died and 25 patients were hospitalized because of HF worsening. In multivariate analysis, delta GLS and follow-up GLS were prognostic factors, whereas baseline and follow-up LVEF, NT-ProBNP, changes in LVEF and NT-ProBNP could not predict cardiac events. Delta GLS (p = 0.002) turned out to be the best independent prognosticator. Receiver operating characteristics analysis revealed that -0.6% of delta GLS was the optimal cut-off value to predict cardiac events and mortality (sensitivity 76%, specificity 67%, AUC 0.75). Kaplan-Meier analysis showed that patients with delta GLS more than -0.6% experienced significantly less cardiac events during the follow-up period (p &lt; 0.0001, log-rank). Conclusion A change in LV GLS after congestive HF admission was a predictor of the prognosis in patients with preserved LVEF. It would be useful to check the changes in GLS in those with preserved LVEF after discharge.

P896Effects of tafamidis in patients with transthyretin amyloid cardiomyopathy

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
R Rettl ◽  
F Duca ◽  
C Binder ◽  
C Capelle ◽  
S Aschauer ◽  
...  
Keyword(s):  
Longitudinal Strain ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Structure And Function ◽  
Walking Distance ◽  
Cardiac Structure ◽  
Positive Effects ◽  
Cardiac Structure And Function ◽  
Amyloid Cardiomyopathy ◽  
And Function

Abstract Background Transthyretin amyloid cardiomyopathy (ATTR-CA) is caused by deposition of amyloid fibrils in the myocardium. The deposition occurs when transthyretin (TTR) becomes unstable and misfolds. Tafamidis is a kinetic stabilizer of TTR that prevents tetramer dissociation and amyloidogenesis by TTR. Methods Eighteen patients with diagnosis of ATTR-CA (hATTR or wtATTR) from our national amyloidosis registry were treated with 20 mg of tafamidis for a period of six months. In our explorative analysis we aimed to evaluate the effects of tafamdis by changes from baseline of the serum NT-proBNP concentration, 6-minute walking distance, as well as cardiac structure and function. Results The exploratory analysis showed a decrease in serum NT-proBNP concentration in tafamidis treated patients, compared to increase in untreated patients (median difference, −481.0 pg/mL). Tafamidis improved the walking distance during the 6-minute walk test at month six, compared to baseline (mean, 31.25 m). Echocardiographic findings revealed an improvement of the global longitudinal strain (mean, 0.77%), a decrease in left atrial size (mean, −1.65 mm) and a decrease in left ventricular size (mean, −4.13 mm) in tafamidis treated patients compared to untreated patients. Due to insufficient power the results did not differ significantly between tafamidis treated patients and untreated patients. Change from baseline Tafamidis No treatment Treatment Difference p-value Cardiac Biomarkers n=18 n=15   NT-proBNP, ng/L Baseline, median 2740.0 2835.0 CFB to 6 months, median −207.0 274.0 −481.0 0.329 Functional Status n=8 n=7   6MWT, m Baseline, mean 441.00 420.50 CFB to 6 months, mean 31.25 −16.50 +47.75 0.373 Echocardiogram n=17 n=15   LA, mm Baseline, mean 63.41 61.33 CFB to 6 months, mean −1.65 0.60 −2.25   LV, mm Baseline, mean 44.13 41.80 CFB to 6 months, mean −4.13 0.33 −4.46 0.075   LV wall thickness, mm Baseline, mean 22.06 18.47 CFB to 6 months, mean 0.68 −0.60 +1.28 0.055   Longitudinal strain, % Baseline, mean −10.66 −12.42 CFB to 6 months, mean 0.77 −1.03 +1.80 0.652 MRI n=7 n=6   ECV, % Baseline, mean 52.26 44.22 CFB to 6 months, mean 0.81 3.70 − 2.89 0.493   LV mass, g Baseline, mean 187.71 170.33 CFB to 6 months, mean 24.29 19,67 +4.62 0.612 Conclusion Treatment with tafamidis for a period of six months in patients with ATTR-CA leads to positive effects on NT-proBNP level, 6-minute walking distance, as well as cardiac structure and function compared to untreated patients.

scholarly journals P818 Association between baseline left ventricular longitudinal strain and follow-up left ventricular ejection fraction in patients with dilated cardiomyopathy

2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
I H Jung ◽  
Y S Byun ◽  
J H Park
Keyword(s):  
Ejection Fraction ◽  
Longitudinal Strain ◽  
Myocardial Dysfunction ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Reverse Remodeling ◽  
Lv Function ◽  
Ventricular Ejection Fraction

Abstract Funding Acknowledgements no Background Left ventricular global longitudinal strain (LV GLS) offers sensitive and reproducible measurement of myocardial dysfunction. The authors sought to evaluate whether LV GLS at the time of diagnosis may predict LV reverse remodeling (LVRR) in DCM patients with sinus rhythm and also investigate the relationship between baseline LV GLS and follow-up LVEF. Methods We enrolled patients with DCM who had been initially diagnosed, evaluated, and followed at our institute. Results During the mean follow-up duration of 37.3 ± 21.7 months, LVRR occurred in 28% of patients (n = 45) within 14.7 ± 10.0 months of medical therapy. The initial LV ejection fraction (LVEF) of patients who recovered LV function was 26.1 ± 7.9% and was not different from the value of 27.1 ± 7.4% (p = 0.49) of those who did not recover. There was a moderate and highly significant correlation between baseline LV GLS and follow-up LVEF (r = 0.717; p &lt;0.001). Conclusion There was a significant correlation between baseline LV GLS and follow-up LVEF in this population. Baseline Follow-up Difference (95% CI) p-value All patients (n = 160) LVEDDI, mm/m2 35.6 ± 6.6 35.6 ± 6.6 -2.7 (-3.4 to -2.0) &lt;0.001 LVESDI, mm/m2 30.3 ± 6.1 26.6 ± 6.6 -3.7 (-4.6 to -2.8) &lt;0.001 LVEDVI, mL/m2 95.0 ± 30.7 74.3 ± 30.2 -20.7 (-25.6 to -15.8) &lt;0.001 LVESVI, mL/m2 70.0 ± 24.8 50.2 ± 26.8 -19.8 (-24.2 to -15.4) &lt;0.001 LVEF, % 26.8 ± 7.5 33.9 ± 12.6 7.2 (5.2 to 9.2) &lt;0.001 LV GLS (-%) 9.2 ± 3.1 11.0 ± 4.8 1.8 (1.3 to 2.2) &lt;0.001 Patients without LVRR (n = 115) LVEDDI, mm/m2 34.9 ± 6.8 34.1 ± 6.8 -0.8 (-1.3 to -0.3) 0.002 LVESDI, mm/m2 29.5 ± 6.1 28.4 ± 6.4 -1.4 (-1.8 to -0.4) 0.002 LVEDVI, mL/m2 92.0 ± 30.5 83.4 ± 29.8 -8.6 (-12.4 to -4.8) &lt;0.001 LVESVI, mL/m2 67.1 ± 24.4 59.5 ± 25.3 -7.6 (-10.9 to -4.3) &lt;0.001 LVEF, % 27.1 ± 7.4 27.8 ± 7.4 0.7 (-0.2 to 1.6) 0.126 LV GLS (-%) 8.2 ± 2.9 8.7 ± 3.2 0.5 (0.7 to 3.6) &lt;0.001 Patients with LVRR (n = 45) LVEDDI, mm/m2 37.4 ± 5.5 29.8 ± 5.2 -7.5 (-9.1 to -6.0) &lt;0.001 LVESDI, mm/m2 32.2 ± 5.7 21.9 ± 4.4 -10.3 (-11.9 to -8.6) &lt;0.001 LVEDVI, mL/m2 102.7 ± 30.2 51.1 ± 15.0 -51.7 (-61.6 to -41.7) &lt;0.001 LVESVI, mL/m2 77.3 ± 24.5 26.4 ± 11.3 -50.9 (-58.8 to -43.1) &lt;0.001 LVEF, % 26.1 ± 7.9 49.4 ± 9.5 23.9 (20.4 to 27.5) &lt;0.001 LV GLS (-%) 11.9 ± 1.6 16.9 ± 2.7 5.1 (4.2 to 5.9) &lt;0.001 Baseline and Follow-up LV Functional Echocardiographic Data Abstract P818 Figure.

scholarly journals Strain Echocardiography Is a Promising Tool for the Prognostic Assessment of Sarcoidosis

Life ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1065
Author(s):  
Paolo Cameli ◽  
Maria Concetta Pastore ◽  
Giulia Elena Mandoli ◽  
Mariangela Vigna ◽  
Giuseppe De Carli ◽  
...  
Keyword(s):  
Longitudinal Strain ◽  
Pulmonary Function Tests ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Cardiac Events ◽  
Prognostic Assessment ◽  
Promising Tool ◽  
Adverse Cardiac Events

Sarcoidosis is a systemic chronic granulomatous disease with significant morbidity and mortality. Although basic transthoracic echocardiography (TTE) is not recommended for the assessment of sarcoidosis, speckle tracking echocardiography (STE) has emerged as more sensitive for the early detection of cardiac sarcoidosis and its outcome. The aim of the study was to assess the utility of left atrial and left ventricular longitudinal STE for the prediction of major adverse cardiac events (MACE) and sarcoidosis relapses. We enrolled 172 consecutive patients with sarcoidosis who underwent TTE and pulmonary function tests (PFTs). All patients were followed for a sarcoidosis relapse and MACE. During a median follow-up of 2217 days, 8 deaths, 23 MACE and 36 sarcoidosis relapses were observed. LV global longitudinal strain (GLS) was significantly lower in patients with MACE (p = 0.025). LV-GLS < 17.13% (absolute value) was identified as a fair predictor of MACE. Concerning the sarcoidosis control, TTE revealed a reduction of the LV ejection fraction (p = 0.0432), tricuspid annular plane systolic excursion (p = 0.0272) and global peak atrial longitudinal strain (PALS, p = 0.0012) in patients with relapses. PALS < 28.5% was the best predictor of a sarcoidosis relapse. Our results highlight a potential role of LV-GLS and PALS as prognostic markers in sarcoidosis, supporting the use of STE in the clinical management of these patients.

scholarly journals Beneficial effect of angiotensin converter enzyme inhibitors on left ventricular deformation in patients with hematologic malignancies after bone marrow transplantation

2021 ◽  
Vol 22 (Supplement_1) ◽  
Author(s):  
I Ikonomidis ◽  
K Katogiannis ◽  
M Stamouli ◽  
G Makavos ◽  
A Frogoudaki ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Bone Marrow Transplantation ◽  
Ejection Fraction ◽  
Marrow Transplantation ◽  
Longitudinal Strain ◽  
Myocardial Dysfunction ◽  
Global Longitudinal Strain ◽  
Hematologic Malignancies ◽  
Left Ventricular

Abstract Funding Acknowledgements Type of funding sources: Foundation. Main funding source(s): Hellenic society of lipidiology, atherosclerosis and cardiovascular disease Background/Introduction:  Optimal medical treatment for heart failure may reverse myocardial dysfunction in the early stages of cardiotoxic treatment. Patients and methods 60 patients age 46,3 ± 12,9 years old, 19 male) with preserved ejection fraction, who suffered from hematologic malignancies (lymphoma, leukemia) and underwent bone marrow transplantation, were randomized to receive 2,5 mg enalapril bid daily or placebo. We measured at baseline, before transplantation, and after three months: i) Global Longitudinal Strain of left ventricle (LV) (GLS), ii) LV Epicardial Strain (GLSepi), iii) LV Endocardial Strain (GLSendo), by speckle tracking imaging, iv) LV End Diastolic ,End Systolic Volume and Ejection Fraction (LVEF). Results   The two treatment groups had similar age, sex atherosclerotic risk factors and cardiotoxic medication before and after bone marrow transplantation. Compared to baseline, patients treated with enalapril did not show a deterioration of LV GLS and GLSepi [ p = 0,540 and p = 0,422)], Conversely, patients treated with placebo group, presented a significant impairment of LV GLS and GLSepi [p = 0,041 and p = 0,028)] three months after bone marrow  transplantation. No significant changes were found in LVEF after treatment with enalapril ( p = 0,692) or the placebo ( p = 0,892). Table 1 Conclusions   Treatment with enalapril prevented deterioration of myocardial deformation three months after bone marrow transplantation Table 1 group baseline 3 months follow-up p Longitudinal strain apical 4 chambers view placebo -20.56 ± 2.55 -19.46 ± 2.59 0.154 enalapril -20.41 ± 3.31 -19.70 ± 3.70 0.433 Longitudinal strain apical 2 chambers view placebo -20.5 ± 1.97 -16.11 ± 10.38 0.149 enalapril -20.30 ± 3.90 -20.00 ± 3.82 0.763 Longitudinal strain apical 3 chambers view placebo -19.55 ± 2.36 -18.55 ± 2.43 0.197 enalapril -20.01 ± 4.09 -19.26 ± 3.68 0.489 Global Longitudinal Strain placebo -20.19 ± 1.76 -18.96 ± 2.08 0.041 enalapril -20.24 ± 3.58 -19.66 ± 3.65 0.540 Average Global Epicardial Strain placebo -17.82 ± 1.45 -16.60 ± 1.68 0.028 enalapril -17.84 ± 3.09 -17.16 ± 3.20 0.422 Average Global Endocardial Strain placebo -23.03 ± 2.15 -21.96 ± 2.56 0.181 enalapril -23.07 ± 4.19 -23.60 ± 4.17 0.666 EF (Simpon’s method) placebo 59.46 ± 6.59 59.69 ± 6.79 0.892 enalapril 58.65 ± 7.63 59.45 ± 9.28 0.692 Left ventricular parameters during 3 months of follow-up.

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