Journal articles: 'Speckle tracking echocardiography'

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Goffinet, Céline, and Vanoverschelde Jean-Louis. "Speckle Tracking Echocardiography." European Cardiology Review 3, no. 1 (2007): 1. http://dx.doi.org/10.15420/ecr.2007.0.1.1c.

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Mondillo, Sergio, Maurizio Galderisi, Donato Mele, Matteo Cameli, Vincenzo Schiano Lomoriello, Valerio Zacà, Piercarlo Ballo, et al. "Speckle-Tracking Echocardiography." Journal of Ultrasound in Medicine 30, no. 1 (January 2011): 71–83. http://dx.doi.org/10.7863/jum.2011.30.1.71.

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Rong, Lisa Q., Jiwon Kim, and Alexander J. Gregory. "Speckle tracking echocardiography." Current Opinion in Cardiology 35, no. 2 (March 2020): 116–22. http://dx.doi.org/10.1097/hco.0000000000000706.

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Masutani, Satoshi. "Let’s Start Speckle Tracking Echocardiography." Pediatric Cardiology and Cardiac Surgery 32, no. 2 (2016): 78–86. http://dx.doi.org/10.9794/jspccs.32.78.

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Kucuk, Murathan, Can Ramazan Oncel, Aytul Belgi Yıldırım, Fatih Canan, and Mehmet Murat Kuloglu. "Evaluation of Subclinical Left Ventricular Systolic Dysfunction in Chronic Asymptomatic Alcoholics by Speckle Tracking Echocardiography." BioMed Research International 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/6582568.

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By using two-dimensional speckle tracking echocardiography, we aimed to investigate the structural and functional changes on myocardium in chronic asymptomatic alcoholics without any cardiovascular disease. Forty-one consecutive asymptomatic male alcoholics who were admitted to the outpatient alcoholism unit and 30 age matched healthy male volunteers selected as the control group were enrolled in the study. The study group were investigated by using standard two-dimensional echocardiography and speckle tracking echocardiography. The left ventricular (LV) global longitudinal strain and LV global circumferential strain were significantly lower in alcoholics when compared with control subjects. There was no difference in global radial strain between the two groups. To demonstrate the effect of total life time dose of ethanol (TLDE) on echocardiographic abnormalities, we assessed the correlation analysis. There was a nonsignificant weak correlation between global LV circumferential strain and TLDE (r=0.27,p=0.083). Speckle tracking echocardiography derived left ventricular systolic function was impaired in chronic alcoholic patients when compared with healthy controls.

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Fabris, Ana, and Mila Jakovljevic. "Speckle tracking exercise stress echocardiography." Cardiologia Croatica 8, no. 5-6 (May 14, 2013): 197. http://dx.doi.org/10.15836/ccar.2013.197.

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Seo, Yoshihiro, Tomoko Ishizu, Akiko Atsumi, Ryo Kawamura, and Kazutaka Aonuma. "Three-Dimensional Speckle Tracking Echocardiography." Circulation Journal 78, no. 6 (2014): 1290–301. http://dx.doi.org/10.1253/circj.cj-14-0360.

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Nykonenko, Andryi, Iryna Zubryk, Oleksandr Podluzhnyi, Olrksandr Molodan, Sergii Bukhtii, and Oleksandr Nykonenko. "Primary aldosteronism: An analysis by speckle tracking echocardiography." Acta Facultatis Medicae Naissensis 37, no. 1 (2020): 57–64. http://dx.doi.org/10.5937/afmnai2001057n.

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Hai, Pham Dang, Le Lan Phuong, Nguyen Manh Dung, Le Thi Viet Hoa, Do Van Quyen, Nguyen Xuan Chinh, Vu Duy Minh, and Pham Nguyen Son. "Subclinical Left Ventricular Systolic Dysfunction in Patients with Septic Shock Based on Sepsis-3 Definition: A Speckle-Tracking Echocardiography Study." Critical Care Research and Practice 2020 (September 21, 2020): 1–6. http://dx.doi.org/10.1155/2020/6098654.

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Introduction. Left ventricular dysfunction is quite common in septic shock. Speckle-tracking echocardiography (STE) is a novel, highly sensitive method for assessing left ventricular function, capable of detecting subclinical myocardial dysfunction, which is not identified with conventional echocardiography. We sought to evaluate subclinical left ventricular systolic function in patients with septic shock using speckle-tracking echocardiography. Methods. From May 2017 to December 2018, patients aged ≥18 years admitted to the intensive care unit with the diagnosis of sepsis and septic shock based on the sepsis-3 definition were included. Patients with other causes of cardiac dysfunction were excluded. Transthoracic echocardiography was performed for all the patients within 24 hours of diagnosis. Left ventricular systolic function was assessed using conventional echocardiography and speckle-tracking echocardiography. Results. Patients with septic shock (n = 90) (study group) and 37 matched patients with sepsis but no septic shock (control group) were included. Left ventricular ejection fraction (LVEF) by conventional echocardiography showed no significant difference between two groups (58.2 ± 9.9 vs. 58.6 ± 8.3, p=0.804). The global longitudinal strain (GLS) by STE was significantly reduced in patients with septic shock compared with that in the control (−14.6 ± 3.3 vs. −17.1 ± 3.3, p<0.001). Based on the cutoff value of GLS ≥ −15% for the definition of subclinical left ventricular systolic dysfunction, this dysfunction was detected in 50 patients with septic shock (55.6%) and in 6 patients in the control group (16.2%) (p<0.05). Conclusions. Speckle-tracking echocardiography can detect early subclinical left ventricular systolic dysfunction via the left ventricular global longitudinal strain compared with conventional echocardiographic parameters in patients with septic shock.

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Bhatia, Nirmanmoh, Vahid Tavakoli, Marcus Stoddard, and Amir Amini. "FUSION OF TISSUE DOPPLER AND SPECKLE TRACKING IN ECHOCARDIOGRAPHY IMAGES: COMPARISON WITH SPECKLE TRACKING ECHOCARDIOGRAPHY." Journal of the American College of Cardiology 61, no. 10 (March 2013): E1094. http://dx.doi.org/10.1016/s0735-1097(13)61094-3.

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Туаева, Z. Tuaeva, Кириченко, and T. Kirichenko. "Clinical significance of myocardial strain in the patients with chd (literature review)." Journal of New Medical Technologies. eJournal 8, no. 1 (November 5, 2014): 0. http://dx.doi.org/10.12737/7363.

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2-D echocardiography is currently the first-line imaging modality for assessing global and regional function of left ventricle (LV). Using 2-D echocardiography, LV function is most often evaluated visually, as a result of the quality of the research depends directly on the experience and qualifications of the expert. The new technology of two-dimensional speckle tracking echocardiography allows to assessing the contractile function of the left ventricle quantitative. Over the years, the numerous studies have demonstrated the value of speckle tracking echocardiography in the diagnosis and risk stratification of a wide range of cardiac diseases, including coronary heart disease [14]. During the cardiac cycle the speckle tracking echocardiography allows in semi-automatic mode to evaluate the deformation of the myocardium in the three spatial directions: longitudinal, radial, and circular. In addition, speckle tracking estimates the direction of rotation and speed of motion of the left ventricular myocardium. This technology may have important clinical value for quick and accurate assessment of global and segmental myocardial function. The use of estimates of the deformation of the myocardium and the speed of deformation of the myocardium by means of speckle tracking method may be able to increase the sensitivity and precision of stenosing lesions of the coronary arteries [16].

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NAKATANI, Satoshi. "New developments in speckle tracking echocardiography." Choonpa Igaku 37, no. 2 (2010): 131–40. http://dx.doi.org/10.3179/jjmu.37.131.

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Medvedev, P. I. Medvedev, M. N. Alekhin Alekhin, and B. A. Sidorenko Sidorenko. "Diagnostic Possibilities of Speckle-Tracking Echocardiography." Kardiologiia 2_2016 (February 27, 2016): 79–84. http://dx.doi.org/10.18565/cardio.2016.2.79-84.

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Joos, Philippe, Jonathan Poree, Herve Liebgott, Didier Vray, Mathilde Baudet, Julia Faurie, Francois Tournoux, Guy Cloutier, Barbara Nicolas, and Damien Garcia. "High-Frame-Rate Speckle-Tracking Echocardiography." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 65, no. 5 (May 2018): 720–28. http://dx.doi.org/10.1109/tuffc.2018.2809553.

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Huang, Stephen J., and Sam Orde. "From speckle tracking echocardiography to torsion." Current Opinion in Critical Care 19, no. 3 (June 2013): 250–57. http://dx.doi.org/10.1097/mcc.0b013e32836092b7.

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Kul, Seref, Tolga Sinan Guvenc, and Huseyin Uyarel. "Speckle tracking echocardiography in cardiac sarcoidosis." International Journal of Cardiology 176, no. 3 (October 2014): 1329–30. http://dx.doi.org/10.1016/j.ijcard.2014.07.148.

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Stricagnoli, Mario, Matteo Cameli, Eufemia Incampo, Stefano Lunghetti, and Sergio Mondillo. "Speckle tracking echocardiography in cardiac amyloidosis." Heart Failure Reviews 24, no. 5 (April 15, 2019): 701–7. http://dx.doi.org/10.1007/s10741-019-09796-z.

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Hsiao, Ju-Feng, Yuki Koshino, Crystal R. Bonnichsen, Yang Yu, Fletcher A. Miller, Patricia A. Pellikka, Leslie T. Cooper, and Hector R. Villarraga. "Speckle tracking echocardiography in acute myocarditis." International Journal of Cardiovascular Imaging 29, no. 2 (June 27, 2012): 275–84. http://dx.doi.org/10.1007/s10554-012-0085-6.

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Galderisi, Maurizio, and Bruno Trimarco. "Speckle-Tracking Echocardiography–Derived Longitudinal Dysfunction." Journal of the American College of Cardiology 66, no. 21 (December 2015): 2472. http://dx.doi.org/10.1016/j.jacc.2015.07.087.

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Nikdoust, Farahnaz, Elham Bolouri, Seyed Abdolhussein Tabatabaei, Mahdi Goudarzvand, and Seyedeh Tahereh Faezi. "Early diagnosis of cardiac involvement in systemic lupus erythematosus via global longitudinal strain (GLS) by speckle tracking echocardiography." Journal of Cardiovascular and Thoracic Research 10, no. 4 (December 13, 2018): 231–35. http://dx.doi.org/10.15171/jcvtr.2018.40.

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Introduction: Systemic lupus erythematosus (SLE) myocarditis occurs in between 5% and 10% of patients with lupus. Global longitudinal strain (GLS) via speckle tracking echocardiography can detect cardiac involvement in patients suffering from SLE. We decided to determine the echocardiographic features and subsequent early diagnosis of cardiac involvement in patients with SLE utilizing the GLS index via speckle tracking echocardiography. Methods: In this cross-sectional study, we compared female patients with SLE of at least 2 years’ duration and healthy controls in terms of the left ventricular (LV) GLS via speckle tracking echocardiography. After data collection in both groups, the GLS index and the ejection fraction were evaluated. Results: We analyzed and compared the LV echocardiographic parameters of 33 patients with SLE (mean age=25.45±0.63 years) with those of 35 healthy controls (mean age=27±0.45 years). The apical 2-chamber view indicated a significant decrease in the LV GLS in the case group by comparison with the healthy controls (P=0.005). The LV GLS in the apical 3-chamber view was significantly lower in the case group than in the control group (P=0.006). The LV GLS in the apical 4-chamber view revealed no significant difference between the case and healthy control groups (P=0.2). While there was a significant difference between the case and control groups vis-à-vis the LV GLS (P=0.02), the LV ejection fraction measured with the Simpson method showed no significant difference between the 2 groups (P=0.96). Conclusion: GLS speckle tracking echocardiography is a noninvasive method with diagnostic and prognostic values; it may, therefore, be a sensitive marker for the diagnosis of myocarditis and other cardiac involvements in patients with SLE.

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Stepanova, A. I., and M. N. Alekhin. "CAPABILITIES AND LIMITATIONS OF SPECKLE TRACKING STRESS ECHOCARDIOGRAPHY." Siberian Medical Journal 34, no. 1 (April 23, 2019): 10–17. http://dx.doi.org/10.29001/2073-8552-2018-34-1-10-17.

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Stress echocardiography is a technique that allows to evaluate myocardial contractility and intracardiac hemodynamics under conditions of physical exercise or reaction to a pharmacological drug. Evaluation of systolic function of the left ventricle plays an important role in establishing the prognosis and choosing a treatment strategy for various cardiovascular diseases. Speckle tracking technique is one of the most promising methods for determining values of left ventricular deformation, due to which not only visual, but also quantitative assessment of left ventricular myocardial contractility is possible at rest and during stress tests. In this review, we analyzed the possibility of using speckle tracking stress echocardiography with physical exercise or with the pharmacological drug, in order to diagnose various diseases, such as ischemic heart disease, valvular heart disease, diabetes mellitus, and microvascular damage. Along with this, differences between the values of the longitudinal systolic deformation depending on age were considered. We also compared diagnostic values of the data of speckle-tracking stress echocardiography and coronary angiography and values of the data of speckle-tracking stress echocardiography and computed tomography of the coronary arteries.

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Stepanova, A. I., and M. N. Alekhin. "CAPABILITIES AND LIMITATIONS OF SPECKLE TRACKING STRESS ECHOCARDIOGRAPHY." Siberian Medical Journal 34, no. 1 (April 23, 2019): 10–17. http://dx.doi.org/10.29001/2073-8552-2019-34-1-10-17.

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Stress echocardiography is a technique that allows to evaluate myocardial contractility and intracardiac hemodynamics under conditions of physical exercise or reaction to a pharmacological drug. Evaluation of systolic function of the left ventricle plays an important role in establishing the prognosis and choosing a treatment strategy for various cardiovascular diseases. Speckle tracking technique is one of the most promising methods for determining values of left ventricular deformation, due to which not only visual, but also quantitative assessment of left ventricular myocardial contractility is possible at rest and during stress tests. In this review, we analyzed the possibility of using speckle tracking stress echocardiography with physical exercise or with the pharmacological drug, in order to diagnose various diseases, such as ischemic heart disease, valvular heart disease, diabetes mellitus, and microvascular damage. Along with this, differences between the values of the longitudinal systolic deformation depending on age were considered. We also compared diagnostic values of the data of speckle-tracking stress echocardiography and coronary angiography and values of the data of speckle-tracking stress echocardiography and computed tomography of the coronary arteries.

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Tanaka, Hidekazu. "Efficacy of echocardiography for differential diagnosis of left ventricular hypertrophy: special focus on speckle-tracking longitudinal strain." Journal of Echocardiography 19, no. 2 (January 18, 2021): 71–79. http://dx.doi.org/10.1007/s12574-020-00508-3.

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AbstractLeft ventricular (LV) hypertrophy (LVH) is a frequent imaging finding in daily clinical practice, and its presence is associated with poor outcomes and ventricular arrhythmias. It is commonly detected in athletes, arterial hypertension, aortic stenosis, hypertrophic cardiomyopathy, cardiac amyloidosis, Fabry disease, or Friedreich’s ataxia. Echocardiography plays an important role in detecting LVH and underlying causes in current clinical practice. While echocardiography is essential for the quantification and early detection of LV structural findings for various cardiovascular diseases, it has been reported that speckle-tracking echocardiographic parameters are also useful for the detection of early LV structural abnormalities. In particular, global longitudinal strain (GLS) assessed by two-dimensional speckle-tracking echocardiography is reportedly a sensitive marker for early subtle abnormalities of LV myocardial performance, helpful for the prediction of outcomes for various cardiac diseases, and superior to conventional echocardiographic indices. GLS is determined as the averaged peak longitudinal strain of 18 LV segments from standard apical views and can be assessed as a polar plot. This polar plot longitudinal strain mapping offers an intuitive visual overview of the global and regional LV longitudinal myocardial function status of various cardiomyopathies with LVH. This mapping is clinically practicable and the plot patterns obtainable as the result of further development of this technique for clinical practice provide clues to the etiology of cardiomyopathies. This article reviews the efficacy of echocardiography for differential diagnosis of LVH, with a special focus on the utility of speckle-tracking longitudinal strain.

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Đỗ Văn, Chiến, Đăng Lương Hải, and Thái Nguyễn Quốc. "Mối liên quan giữa một số chỉ số siêu âm tim nhĩ trái và nồng độ NT-proBNP ở bệnh nhân suy tim có phân suất tống máu bảo tồn." VietNam Military Medical Unisversity 47, no. 5-2022 (June 2022): 140–47. http://dx.doi.org/10.56535/jmpm.v20220514.

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Objectives: To study the relationship between echocardiographic indices of the left atrium with plasma NT-proBNP levels in heart failure patients with preserved ejection fraction. Subjects and methods: 47 patients diagnosed with HFpEF were treated at 108 Military Central Hospital, from June 2020 to June 2021. All patients were tested for NT-proBNP levels and underwent speckle tracking echocardiography according to protocol. Results: The average age was 67.04 ± 12.6 years old and males accounted for a high proportion of 78.7%. There is a positive correlation between left atrial volume index (LAVi) and NT-proBNP (r = 0.373; p = 0.01); strong negative correlation between LA reservoir function (LASr) in 4-chamber view with NT-proBNP (r = 0.610; p < 0.001), moderate negative correlation with LASr in 2-chamber view (r = 0.335; p = 0.014); positive correlation between LA reservoir function (LAScd) in 4-chamber view (r = 0.360; p = 0.013), LA contractile function (LASct) in 4-chamber view (r = 0.438; p = 0.02). Conclusion: Left atrial speckle tracking echocardiographic parameters in 4-chamber and 2-chamber views (LASr, LAScd, LASct), LAVi are related to serum NT-proBNP levels in patients with HFpEF. * Keywords: Left atrium; Speckle tracking; Echocardiography; NT-proBNP.

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Piros, Györgyike Ágnes, Péter Domsik, Anita Kalapos, Csaba Lengyel, Andrea Orosz, Tamás Forster, and Attila Nemes. "A jobb pitvar és bal kamra méretének és funkciójának összefüggései egészségesekben. Eredmények a háromdimenziós speckle-tracking echokardiográfiás MAGYAR-Healthy Tanulmányból." Orvosi Hetilap 156, no. 24 (June 2015): 972–78. http://dx.doi.org/10.1556/650.2015.30133.

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Introduction: Heart cycle includes systole and diastole when heart chambers are characterized by a complex motion. Aim: The present study was designed to test whether relationships exist between three-dimensional speckle-tracking echocardiography-derived right atrial and routine two-dimensional echocardiography-derived left ventricular volumetric and functional parameters is healthy subjects. Method: The present study comprised 20 healthy volunteers. Complete two-dimensional echocardiography and three-dimensional speckle-tracking echocardiography were perfomed in all cases. Results: Left ventricular ejection fraction showed correlations with systolic and diastolic right atrial volumes and area strain characterzing atrial contraction in diastole. Right atrial volumes respecting cardiac cycle correlated only with left ventricular end-systolic diameter and volume, while similar relationships could not be confirmed with end-diastolic parameters. Conclusions: Relationships could be demonstrated between three-dimensional speckle-tracking echocardiography-derived right atrial and two-dimensional echocardiography-derived left ventricular volumetric and functional parameters in healthy subjects. Orv. Hetil., 2015, 156(24), 972–978.

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Du Toit, Riëtte, Phillip G. Herbst, Annari van Rensburg, Hendrik W. Snyman, Helmuth Reuter, and Anton F. Doubell. "Speckle tracking echocardiography in acute lupus myocarditis: comparison to conventional echocardiography." Echo Research and Practice 4, no. 2 (June 2017): 9–19. http://dx.doi.org/10.1530/erp-17-0005.

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Aims Lupus myocarditis occurs in 5–10% of patients with systemic lupus erythematosus (SLE). No single feature is diagnostic of lupus myocarditis. Speckle tracking echocardiography (STE) can detect subclinical left ventricular dysfunction in SLE patients, with limited research on its utility in clinical lupus myocarditis. We report on STE in comparison to conventional echocardiography in patients with clinical lupus myocarditis. Methods and results A retrospective study was done at a tertiary referral hospital in South Africa. SLE patients with lupus myocarditis were included and compared to healthy controls. Echocardiographic images were reanalyzed, including global longitudinal strain through STE. A poor echocardiographic outcome was defined as final left ventricular ejection fraction (LVEF) <40%. 28 SLE patients fulfilled the criteria. Global longitudinal strain correlated with global (LVEF: r = −0.808; P = 0.001) and regional (wall motion score: r = 0.715; P < 0.001) function. In patients presenting with a LVEF ≥50%, global longitudinal strain (P = 0.023), wall motion score (P = 0.005) and diastolic function (P = 0.004) were significantly impaired vs controls. Following treatment, LVEF (35–47% (P = 0.023)) and wall motion score (1.88–1.5 (P = 0.017)) improved but not global longitudinal strain. Initial LVEF (34%; P = 0.046) and global longitudinal strain (−9.5%; P = 0.095) were lower in patients with a final LVEF <40%. Conclusions This is the first known report on STE in a series of patients with clinical lupus myocarditis. Global longitudinal strain correlated with regional and global left ventricular function. Global longitudinal strain, wall motion score and diastolic parameters may be more sensitive markers of lupus myocarditis in patients presenting with a preserved LVEF ≥50%. A poor initial LVEF and global longitudinal strain were associated with a persistent LVEF <40%. Echocardiography is a non-invasive tool with diagnostic and prognostic value in lupus myocarditis.

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Yoldaş, Tamer, Şule Yeşil, Selmin Karademir, Gürses Şahin, Utku Arman Örün, Vehbi Doğan, and Senem Özgür. "Evaluation of long-term cardiac side effects of anthracycline chemotherapy by conventional and non-conventional echocardiographic methods in childhood cancer survivors." Cardiology in the Young 29, no. 7 (June 20, 2019): 904–9. http://dx.doi.org/10.1017/s1047951119001094.

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AbstractObjective:Anthracycline chemotherapeutic agents carry the well-recognised risk of cardiac toxicity. The aim of this study was to determine the long-term effect of anthracycline chemotherapy on the biventricular function in childhood cancer survivors using tissue Doppler imaging and two-dimensional speckle tracking echocardiography.Patients and Methods:The study included 45 survivors of childhood cancers and 50 healthy age-matched control patients. Cardiac function was prospectively studied with conventional echocardiography, tissue Doppler imaging, and speckle tracking echocardiography after completion of treatment. The same analysis was performed on matched controls.Results:There was no difference in age, gender, height, and weight between the study and control groups. The mean anthracycline dose was 240 ± 106 mg/m2 and the mean remission duration was 8.2 ± 5 years (1–20 years) in the study group. Conventional echocardiography showed similar ejection fraction, shortening fraction, and left ventricle end-diastolic diameter in both groups. Mitral lateral and septal tissue Doppler imaging showed normal but according to control group relatively sub-normal systolic and diastolic function in patient group. The global longitudinal and circumferential strain and strain rates were significantly lower in the patient group compared to control group. Correlation analysis revealed a negative and significant correlation between total anthracycline dose and global longitudinal and circumferential strain and strain rates.Conclusion:Sub-clinical systolic and diastolic dysfunction may not be detected by conventional echocardiographic methods which are frequently used in daily practice. Sub-clinical systolic and diastolic dysfunction may be detected more sensitively by echocardiographic method such as speckle tracking echocardiography in childhood cancer survivors.

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Kalapos, Anita, Péter Domsik, Tamás Forster, and Attila Nemes. "Comparative evaluation of left ventricular function by two-dimensional echocardiography and three-dimensional speckle-tracking echocardiography in noncompaction cardiomyopathy. Results from the MAGYAR-Path Study." Orvosi Hetilap 154, no. 34 (August 2013): 1352–59. http://dx.doi.org/10.1556/oh.2013.29685.

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Introduction: Noncompaction cardiomyopathy develops due to the absence of myocardial compaction, and is associated with left ventricular dysfunction. Aim: The aim of the study was to evaluate comparatively left ventricular dysfunction in patients with noncompaction cardiomyopathy using two-dimensional echocardiography and three-dimensional speckle-tracking echocardiography. Method: The present study comprised of 7 patients with noncompaction cardiomyopathy (62.9±8.5 years, 3 males) and 10 age- and gender-matched healthy controls (60.7±7.7 years, 2 males). All patients were examined by two-dimensional echocardiography and three-dimensional speckle-tracking echocardiography for the evaluation of left ventricular function. Results: Increased left ventricular end-diastolic and end-systolic volumes and reduced left ventricular ejection fraction were detected in patients with noncompaction cardiomyopathy as compared to those measured in controls. All three-dimensional speckle-tracking echocardiography-derived strain parameters of patients with noncompaction cardiomyopathy were found to be reduced as compared to the values of controls. Three-dimensional speckle-tracking echocardiography-derived rotational parameters showed movements of the apical and basal segments in the same direction suggesting ’rigid body rotation’ in all noncompaction cardiomyopathy cases. Conclusions: Left ventricular function and contractility are severely reduced in patients with noncompaction cardiomyopathy. Absence of left ventricular twist could be demonstrated in a series of noncompaction cardiomyopathy patients. Orv. Hetil., 2013, 154, 1352–1359.

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Quintana, Raymundo A., Linh P. Bui, Rohit Moudgil, Nicolas Palaskas, Saamir Hassan, Jun-ichi Abe, Elie Mouhayar, Syed Wamique Yusuf, Antonieta Hernandez, and Jose Banchs. "Speckle-Tracking Echocardiography in Cardio-Oncology and Beyond." Texas Heart Institute Journal 47, no. 2 (April 1, 2020): 96–107. http://dx.doi.org/10.14503/thij-18-6736.

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Speckle-tracking echocardiography has enabled clinicians to detect changes in myocardial function with more sensitivity than that afforded by traditional diastolic and systolic functional measurements, including left ventricular ejection fraction. Speckle-tracking echocardiography enables evaluation of myocardial strain in terms of strain (percent change in length of a myocardial segment relative to its length at baseline) and strain rate (strain per unit of time). Both measurements have potential for use in diagnosing and monitoring the cardiovascular side effects of cancer therapy. Regional and global strain measurements can independently predict outcomes not only in patients who experience cardiovascular complications of cancer and cancer therapy, but also in patients with a variety of other clinical conditions. This review and case series examine the clinical applications and overall usefulness of speckle-tracking echocardiography in cardio-oncology and, more broadly, in clinical cardiology.

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Shiri, M., H. Behnam, H. Yeganegi, Z. A. Sani, and N. Nematollahi. "TRACKABLE-SPECKLE DETECTION USING A DUAL-PATH CONVOLUTIONAL NEURAL NETWORK FOR NODES SELECTION IN SPECKLE TRACKING ECHOCARDIOGRAPHY." Asian Journal Of Medical Technology 2, no. 2 (August 5, 2022): 33–54. http://dx.doi.org/10.32896/ajmedtech.v2n2.33-54.

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Speckle tracking echocardiography (STE) is widely used to quaantify regional motion and deformation of heart tissues. Before tracking, a segmentation step is first carried out, and only a set of nodes in the segmented model are tracked. However, a random selection of the nodes even after tissue segmentation could lead to an inaccurate estimation. In this paper, a convolutional neural network (CNN)-based method is presented to detect trackable speckle spots that have important properties of the texture for speckle tracking. The proposed CNN was trained and validated on 29500 ultrasound manually labelled image patches extracted from the echocardiography of 65 people. Using the proposed network, in silico experiments for automatic node selection were conducted to investigate the applicability of the proposed method in speckle tracking. The results were statistically highly significant (P<0.001) and demonstrated that the proposed method has the least tracking error among various existing methods.

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Leitman, Marina, Vladimir Tyomkin, Eli Peleg, Izhak Zyssman, Simcha Rosenblatt, Edgar Sucher, Vered Gercenshtein, and Zvi Vered. "Speckle Tracking Imaging in Normal Stress Echocardiography." Journal of Ultrasound in Medicine 36, no. 4 (December 10, 2016): 717–24. http://dx.doi.org/10.7863/ultra.16.04010.

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Khan, HI Lutfur Rahman. "Two-Dimensional Speckle Tracking Echocardiography: Clinical Usefulness." Cardiovascular Journal 10, no. 2 (April 6, 2018): 111–12. http://dx.doi.org/10.3329/cardio.v10i2.36276.

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Blessberger, H., and T. Binder. "Two dimensional speckle tracking echocardiography: clinical applications." Heart 96, no. 24 (November 18, 2010): 2032–40. http://dx.doi.org/10.1136/hrt.2010.199885.

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Uematsu, Masaaki. "Speckle Tracking Echocardiography – Quo Vadis? –." Circulation Journal 79, no. 4 (2015): 735–41. http://dx.doi.org/10.1253/circj.cj-15-0049.

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Blessberger, H., and T. Binder. "Two dimensional speckle tracking echocardiography: basic principles." Heart 96, no. 9 (April 27, 2010): 716–22. http://dx.doi.org/10.1136/hrt.2007.141002.

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Lacalzada-Almeida, Juan, Javier García-Niebla, and Antonio Bayés-de Luna. "Speckle-Tracking Echocardiography and Advanced Interatrial Block." Revista Española de Cardiología (English Edition) 70, no. 7 (July 2017): 591. http://dx.doi.org/10.1016/j.rec.2016.11.014.

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Chowdhury, Ujjwal. "Assessment of Myocardial Mechanics in Patients Undergoing Pericardiectomy for Chronic Constrictive Pericarditis by Tissue Doppler Imaging and 2D Speckled Tracking Echocardiography: A Prospective Obser." Clinical Cardiology and Cardiovascular Interventions 4, no. 4 (February 22, 2021): 01–18. http://dx.doi.org/10.31579/2641-0419/115.

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Background: This study was designed to prospectively evaluate the changes in tissue Doppler imaging (TDI) at mitral and tricuspid annuli and two dimensional speckle tracking echocardiography in patients undergoing pericardiectomy for chronic constrictive pericarditis and identify the relationship if any of the tissue Doppler imaging and speckle echocardiographic derived variables with patient’s symptomatic status following surgery. Patients and Methods: Twelve patients undergoing pericardiectomy for constrictive pericarditis aged 7 years to 70 years (median 21; IQR: 19.75-26.5 years) were studied for 2-36 months (median 19 months). They underwent Doppler flow velocity, TDI, and 2D-speckle echocardiographic studies. Friedman’ test was used to test the changes in TDI-derived mitral and tricuspid annular velocities and speckle derived parameters in postoperative period from baseline. Results: Despite congestive heart failure, all patients had normal left ventricular ejection fraction and increased medial mitral and tricuspid early diastolic septal velocity (e¢) with “annulus reversus”. This pattern of annular velocity improved maximally in the immediate postoperative period. At closing interval, 2 (16.7%) patients continued to be in New York Heart Association class II and both of them continued to remain in atrial fibrillation. There was statistical significant improvement in the Global cirumferential strain than in global longitudinal and global radial strain after pericardiectomy. Conclusions: We conclude that tissue Doppler imaging and speckle tracking echocardiography are useful investigative modalities for serial evaluation of patients undergoing pericardiectomy. It can be performed serially with a high degree of reproducibility.

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Meluzín, Jaroslav, Helena Podroužková, Martin Pešl, Pavel Leinveber, and Marek Orban. "Speckle tracking echocardiography - a new tool for quantification of myocardial function." Cor et Vasa 50, no. 1 (January 1, 2008): 28–33. http://dx.doi.org/10.33678/cor.2008.014.

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Takeuchi, Masaaki, Nobuhiko Haruki, and Yutaka Otsuji. "Sleep-disordered Breathing and Heart Failure – Insights from Speckle Tracking Echocardiography." European Cardiology Review 8, no. 1 (2012): 40. http://dx.doi.org/10.15420/ecr.2012.8.1.40.

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Patients with heart failure frequently have associated sleep-disordered breathing, which has a significant negative impact on cardiac function. Echocardiography is a versatile modality for the management of heart failure. Recent developments in speckle tracking analysis have demonstrated that two-dimensional strain has potential for the quantification of subclinical abnormalities in ventricular function. This article outlines the utility of speckle tracking echocardiography in patients with heart failure and sleep-disordered breathing.

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Жерко, О. М., and Э. И. Шкребнева. "2D Speckle Tracking Echocardiography in Predicting Diastolic Right Ventricular Dysfunction." Кардиология в Беларуси, no. 5 (January 5, 2021): 679–87. http://dx.doi.org/10.34883/pi.2020.12.5.006.

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Цель. Разработать прогностические критерии диастолической дисфункции (ДД) правого желудочка (ПЖ) по данным 2D Speckle Tracking эхокардиографии (STE).Материалы и методы. В 2019 г. на базе ГУ «Минский научно-практический центр хирургии, трансплантологии и гематологии» выполнено клинико-инструментальное исследование 91 пациента в возрасте 64,0 [58,0; 70,0] года. Критерии включения в исследование: синусовый ритм, эссенциальная артериальная гипертензия, хроническая ишемическая болезнь сердца, перенесенный в прошлом инфаркт миокарда ЛЖ, после которого прошло не менее полугода для стабилизации структурно-функциональных показателей ЛЖ, хроническая сердечная недостаточность. Критерии исключения: первичная митральная регургитация, митральный стеноз, пластика или протезирование митрального клапана, врожденные пороки сердца, острые и хронические заболевания почек, легких. Трансторакальная эхокардиография и STE выполнялись на ультразвуковом аппарате Vivid E9 (GE Healthcare, США).Результаты. Ведущими функциональными аномалиями, взаимосвязанными c ДД ПЖ, при сохраненной сократимости ПЖ и нормальном систолическом давлении в ПЖ, являются снижение продольных диастолических, регионарных и глобальной систолических деформаций ПЖ, механическая дисперсия миокарда ПЖ: установлены статистически значимые взаимосвязи между ДД и величинами ранней диастолической продольной деформации Е базальносептального сегмента (r=0,63, p<0,001), базальнолатерального сегмента ПЖ (r=0,61, p<0,001), отношением ранних и поздних диастолических продольных деформаций Е/А базальнолатерального сегмента ПЖ (r=–0,66, p<0,001), глобальным постсистолическим индексом ПЖ (r=0,45, p=0,0002), индексом раннего систолического растяжения боковой стенки ПЖ (r=0,41, p<0,001), индексом механической дисперсии ПЖ (r=0,31, p=0,003), глобальной продольной систолической деформацией ПЖ (GLS) (r=0,61, p<0,001). Прогностические для ДД ПЖ значения ранней диастолической деформации Е базальносептального сегмента ПЖ составляют >–5,66% (чувствительность 76,9%, специфичность 85,7%), базальнолатерального сегмента ПЖ >–8,74% (чувствительность 91,1%, специфичность 70,8%), отношение ранней и поздней диастолических продольных деформаций Е/А базальнолатерального сегмента ПЖ ≤0,67(чувствительность 62,2%, специфичность 100,0%), значение GLS ПЖ >–19,8% (чувствитель-ность 63,8%, специфичность 93,1%).Выводы. Применение в практическом здравоохранении разработанных прогностических показателей STE позволит повысить эффективность диагностики ДД ПЖ. Purpose. To develop the prognostic criteria of diastolic dysfunction (DD) of the right ventricle (RV), according to speckle tracking echocardiography (STE).Materials and methods. A clinical and instrumental study of 91 patients aged 64.0 [58.0; 70.0] years was performed on base of the State Institution “Minsk Scientific and Practical Center of Surgery, Transplantology and Hematology” in 2019. The criteria for inclusion in the study were the following: sinus rhythm, essential arterial hypertension, chronic coronary heart disease, previous left myocardial infarction, after which at least six months have passed to stabilize the structural and functional parameters of the left ventricle, chronic heart failure. Exclusion criteria were the following: primary mitral regurgitation, mitral stenosis, mitral valve repair or prosthetics, congenital heart defects, acute and chronic diseases of the kidneys, lungs. Transthoracic echocardiography and STE were performed on the ultrasound machine Vivid E9 (GE Healthcare, USA).Results. The leading functional anomalies that are interconnected with RV DD, with saved RV contractility and RV systolic pressure, are the decrease of RV longitudinal diastolic, regional and global systolic strain, RV mechanical dispersion: statistically significant relationships were revealed between DD and the values of early diastolic longitudinal strain E of the RV basal-septal segment (r=0.63, p<0.001), the RV basal-lateral segment (r=0.61, p <0.001), the ratio of early and late diastolic longitudinal deformations E/A of the RV basal lateral segment (r=–0.66, p<0.001), the global post- systolic index (r=0.45, p=0.0002), the pre-stretch index of the RV lateral wall (r=0.41, p<0.001), RV mechanical dispersion index (r=0.31, p=0.003), RV global longitudinal systolic deformation (GLS) (r=0.61, p<0.001). The values of early diastolic deformation E of the RV basal-septal segment, prognostic for RV DD, are >–5.66% (sensitivity 76.9%, specificity 85.7%), RV basal-lateral segment>–8.74% (sensitivity 91.1%, specificity 70.8%), the ratio of early and late diastolic longitudinal deformations E/A of the RV basal lateral segment ≤0.67 (sensitivity 62.2%, specificity 100.0%), RV GLS >–19.8% (sensitivity 63.8%, specificity 93.1%).Conclusion. The use of the developed STE prognostic indicators in RV DD will increase the efficiency of diagnosis of RV DD.

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Gao, Lang, Yixia Lin, Mengmeng Ji, Wenqian Wu, He Li, Mingzhu Qian, Li Zhang, Mingxing Xie, and Yuman Li. "Clinical Utility of Three-Dimensional Speckle-Tracking Echocardiography in Heart Failure." Journal of Clinical Medicine 11, no. 21 (October 26, 2022): 6307. http://dx.doi.org/10.3390/jcm11216307.

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Heart failure (HF) is an extremely major health problem with gradually increasing incidence in developed and developing countries. HF may lead to cardiac remodeling; thus, advanced imaging techniques are required to comprehensively evaluate cardiac mechanics. Recently, three-dimensional speckle-tracking echocardiography (3D-STE) has been developed as a novel imaging technology that is based on the three-dimensional speckle-tracking on the full volume three-dimensional datasets. Three-dimensional speckle-tracking echocardiography allows a more accurate evaluation of global and regional myocardial performance, assessment of cardiac mechanics, detection of subclinical cardiac dysfunction, and prediction of adverse clinical events in a variety of cardiovascular diseases. Therefore, this review summarizes the clinical usefulness of 3D-STE in patients with HF.

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Al-Jawahiri, Thamer I., and Amal N. Al-Marayati,. "Early Detection of Left Ventricular Systolic Dysfunction in Asymptomatic Patients with Chronic Aortic Regurgitation by two Dimensional Speckle Tracking Echocardiography." AL-Kindy College Medical Journal 14, no. 2 (June 9, 2019): 35–42. http://dx.doi.org/10.47723/kcmj.v14i2.49.

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Background: Early detection of subclinical left ventricular (LV) systolic dysfunction is crucial and could inﬂuence patients' prognosis by aiding the clinician to candidate patients for better management. Objective: To detect early LV systolic dysfunction in asymptomatic patient with chronic aortic regurgitation by two dimensional speckle tracking echocardiography. Methods: Sixty one asymptomatic patients with chronic aortic regurgitation, with no ischemic heart diseases (by coronary angiography) or conductive heart diseases, no diabetes mellitus, no hypertension, and no other valvular heart diseases (group 1) and fifty age and sex-matched healthy subjects (group 2) were enrolled into the study. Group (1) was further classified into 3 sub-groups according to 4 chosen parameters from the published guidelines of American Society of Echocardiography (ASE) into: Mild AR, Moderate AR, and Severe AR. All patients and controls underwent echocardiographic examination including conventional echocardiography, tissue Doppler study and Two Dimensional (2-D) Speckle Tracking Echocardiography. Results: GLS showed the highest sensitivity and specificity in detection of subtle LV systolic dysfunction in moderate AR. In moderate AR,a cut off value of > (-19.62) has sensitivity and specificity of 91.3% and 95.5% respectively, with Positive Predictive Value (PPV) and Negative Predictive Value ( NPV ) of 87.5% and 96.9% respectively, Area under curve (AUC) of 0.981. In all types of AR, GLS had higher NPV than PPV which makes it a powerful screening tool for early detection of subtle LV systolic dysfunction. Conclusion: Global Longitudinal strain measured by 2-D speckle tracking echocardiography is an excellent tool for early detection of subtle LV systolic dysfunction in asymptomatic patients with chronic AR

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Tomoaia, Raluca, Ruxandra Stefana Beyer, Gelu Simu, Adela Mihaela Serban, and Dana Pop. "Understanding the role of echocardiography in remodeling after acute myocardial infarction and development of heart failure with preserved ejection fraction." Medical Ultrasonography 21, no. 1 (February 17, 2019): 69. http://dx.doi.org/10.11152/mu-1768.

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Despite the use of reperfusion therapies in the last decades, acute myocardial infarction further remains one of the most frequent causes of mortality. This is mainly caused by changes in the ventricular architecture leading to ventricular remodeling, followed by progressive development of heart failure. Transthoracic echocardiography is a non-invasive instrument which can provide information about the extent of the ischemic process and its consequences but can also predict the outcomes after myocardial infarction. Although standard echocardiographic parameters are currently used for risk stratification of these patients, they might not truly reflect left ventricular systolic dysfunction in acute myocardial infarct patients, since the detection of subtle changes in the myocardial function is beyond their limits. The aim of this review is to underline the use of advanced echocardiographic parameters in identifying patients at risk for developing post-acute myocardial infarction heart failure and subsequent adverse events. Advanced echocardiographic parameters derived from speckle tracking echocardiography provide a detailed assessment on the global and regional left ventricular deformation. Therefore, speckle tracking echocardiography has a major role in predicting the prognosis of acute myocardial infarction patients and particularly in the development ofsubsequent heart failure, which might be prevented with early initiation of adequate therapy.

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Olsen, Flemming Javier, Søren Zöga Diederichsen, Peter Godsk Jørgensen, Magnus T. Jensen, Anders Dahl, Nino Emmanuel Landler, Claus Graff, et al. "Potential role of conventional and speckle-tracking echocardiography in the screening of structural and functional cardiac abnormalities in elderly individuals: Baseline echocardiographic findings from the LOOP study." PLOS ONE 17, no. 6 (June 3, 2022): e0269475. http://dx.doi.org/10.1371/journal.pone.0269475.

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Background Elderly individuals occupy an increasing part of the general population. Conventional and speckle-tracking transthoracic echocardiography may help guide risk stratification in these individuals. The purpose of this study was to evaluate the potential utility of conventional and speckle-tracking echocardiography in the screening of cardiac abnormalities in the elderly population. Methods Two cohorts of elderly individuals (sample size: 1441 and 944) were analyzed, who were part of a randomized controlled clinical trial (LOOP study) and of an observational study (Copenhagen City Heart Study), recruiting participants from the general population >70 years of age with cardiovascular risk factors (arterial hypertension, diabetes mellitus, heart failure, or prior stroke) and sinus rhythm. Participants underwent a comprehensive transthoracic echocardiographic examination, including myocardial speckle tracking. Cardiac abnormalities were defined according to the ASE/EACVI guidelines. Results Structural cardiac abnormalities such as left ventricular (LV) remodeling, mitral annular calcification (MAC), and aortic valve sclerosis (with or without stenosis) were highly prevalent in the LOOP study (40%, 39%, and 27%, respectively). Moreover, a high prevalence of functional cardiac alterations such as LV diastolic dysfunction (LVDD), abnormal LV longitudinal systolic strain (GLS), and abnormal left atrial (LA) reservoir strain was present in the LOOP study (27%, 18%, and 9%, respectively). Likewise, the rate of LVDD, abnormal GLS, and abnormal LA reservoir strain was comparable in the validation sample from the Copenhagen City Heart Study. In line with these findings, subjects with LV remodeling, MAC, and aortic valve changes had a higher prevalence of LVDD, abnormal GLS, and abnormal LA reservoir strain than those without structural cardiac alterations. Conclusion The findings of this study highlight the potential clinical utility of conventional and speckle-tracking echocardiography in the screening of structural and functional cardiac abnormalities in the elderly population. Further studies are warranted to determine the prognostic relevance of these findings.

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Ösken, Altuğ, Şennur Ünal Dayı, Kazım Serhan Özcan, Muhammed Keskin, Tuğba Kemaloğlu Öz, Esra Poyraz, Ufuk Gürkan, Haldun Akgöz, and Neşe Çam. "Speckle tracking echocardiography in severe patient–prosthesis mismatch." Herz 46, no. 4 (March 9, 2021): 375–80. http://dx.doi.org/10.1007/s00059-021-05031-4.

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Sarikaya, Remzi, and Dilek Giray. "Athletes´ Heart: QTc Dispersion and Speckle Tracking Echocardiography." Eastern Journal Of Medicine 26, no. 2 (2021): 322–28. http://dx.doi.org/10.5505/ejm.2021.28034.

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Malik, Vishwas, Arindam Choudhury, Rohan Magoon, PoonamMalhotra Kapoor, and S. Ramakrishnan. "Studying diastology with speckle tracking echocardiography: The essentials." Annals of Cardiac Anaesthesia 20, no. 5 (2017): 57. http://dx.doi.org/10.4103/0971-9784.197800.

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Kim, Min Ji, Geu-Ru Hong, Jong-Won Ha, and Chi Young Shim. "Acute Localized Myocarditis: Role of Speckle Tracking Echocardiography." Korean Circulation Journal 50, no. 7 (2020): 638. http://dx.doi.org/10.4070/kcj.2019.0378.

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Wang, Jianwen, Dirar S. Khoury, Yong Yue, Guillermo Torre-Amione, and Sherif F. Nagueh. "Left Ventricular Untwisting Rate by Speckle Tracking Echocardiography." Circulation 116, no. 22 (November 27, 2007): 2580–86. http://dx.doi.org/10.1161/circulationaha.107.706770.

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Amundsen, Brage H., Thomas Helle-Valle, Thor Edvardsen, Hans Torp, Jonas Crosby, Erik Lyseggen, Asbjørn Støylen, et al. "Noninvasive Myocardial Strain Measurement by Speckle Tracking Echocardiography." Journal of the American College of Cardiology 47, no. 4 (February 2006): 789–93. http://dx.doi.org/10.1016/j.jacc.2005.10.040.

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Journal articles on the topic 'Speckle tracking echocardiography'

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