ASSOCIATION BETWEEN LATEST ACTIVATED SITES IN THE LEFT VENTRICLE AND AKINETIC SEGMENTS IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY

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SADEGHIAN HAKIMEH; KOUSARI ALIASGHAR; MAJIDI SHAHLA; REZVANFARD MEHRNAZ; KAZEMISAEID ALI; MOEZZI SEYED ALI; VASHEGHANI FARAHANI ALI; ABDAR ESFAHANI MORTEZA; SAHEBJAM MOHAMMAD; ZOROUFIAN AREZOO; SADEGHIAN AFSANEH

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Journal: THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER Year:2016 | Volume:11 | Issue:3 Page(s): 115-122

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Title

ASSOCIATION BETWEEN LATEST ACTIVATED SITES IN THE LEFT VENTRICLE AND AKINETIC SEGMENTS IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY

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Keywords

CARDIOMYOPATHIES

ISCHEMIA

HEART VENTRICLES

Abstract

Background: It is not clear whether the latest activation sites in the left ventricle (LV) are matched with infracted regions in patients with ischemic cardiomyopathy (ICM). We aimed to investigate whether the latest activation sites in the LV are in agreement with the region of akinesia in patients with ICM.Methods: Data were analyzed in 106 patients (age=60.5±12.1 y, male=88.7%) with ICM (ejection fraction ≤35%) who were refractory to pharmacological therapy and were referred to the echocardiography department for an evaluation of the feasibility of cardiac resynchronization therapy. Wall motion abnormalities, time to peak systolic myocardial velocity (Ts) of 6 basal and 6 mid-portion segments of the LV, and 4 frequently used dyssynchrony indices were measured using 2-dimensional echocardiography and tissue Doppler imaging (TDI). To evaluate the influence of the electrocardiographic pattern, we categorized the patients into 2 groups: patients with QRS≤120 ms and those with QRS>120 ms.Results: A total of 1 272 segments were studied. The latest activation sites (with longest Ts) were most frequently located in the mid-anterior (n=32, 30.2%) and basal-anterior segments (n=29, 27.4%), while the most common sites of akinesia were the mid-anteroseptal (n=65, 61.3%) and mid-septal (n=51, 48.1%) segments. Generally, no significant concordance was found between the latest activated segments and akinesia either in all the patients or in the QRS groups. Detailed analysis within the segments indicated a good agreement between akinesia and delayed activation in the basal-lateral segment solely in the patients with QRS duration≤120 ms (F=0.707; p value ≤0.001).Conclusion: The akinetic segment on 2-dimensional echocardiogram was not matched with the latest activation sites in the LV determined by TDI in patients with ICM.

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APA: Copy

SADEGHIAN, HAKIMEH, KOUSARI, ALIASGHAR, MAJIDI, SHAHLA, REZVANFARD, MEHRNAZ, KAZEMISAEID, ALI, MOEZZI, SEYED ALI, VASHEGHANI FARAHANI, ALI, ABDAR ESFAHANI, MORTEZA, SAHEBJAM, MOHAMMAD, ZOROUFIAN, AREZOO, & SADEGHIAN, AFSANEH. (2016). ASSOCIATION BETWEEN LATEST ACTIVATED SITES IN THE LEFT VENTRICLE AND AKINETIC SEGMENTS IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY. THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER, 11(3), 115-122. SID. https://sid.ir/paper/302072/en

Vancouver: Copy

SADEGHIAN HAKIMEH, KOUSARI ALIASGHAR, MAJIDI SHAHLA, REZVANFARD MEHRNAZ, KAZEMISAEID ALI, MOEZZI SEYED ALI, VASHEGHANI FARAHANI ALI, ABDAR ESFAHANI MORTEZA, SAHEBJAM MOHAMMAD, ZOROUFIAN AREZOO, SADEGHIAN AFSANEH. ASSOCIATION BETWEEN LATEST ACTIVATED SITES IN THE LEFT VENTRICLE AND AKINETIC SEGMENTS IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY. THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER[Internet]. 2016;11(3):115-122. Available from: https://sid.ir/paper/302072/en

IEEE: Copy

HAKIMEH SADEGHIAN, ALIASGHAR KOUSARI, SHAHLA MAJIDI, MEHRNAZ REZVANFARD, ALI KAZEMISAEID, SEYED ALI MOEZZI, ALI VASHEGHANI FARAHANI, MORTEZA ABDAR ESFAHANI, MOHAMMAD SAHEBJAM, AREZOO ZOROUFIAN, and AFSANEH SADEGHIAN, “ASSOCIATION BETWEEN LATEST ACTIVATED SITES IN THE LEFT VENTRICLE AND AKINETIC SEGMENTS IN PATIENTS WITH ISCHEMIC CARDIOMYOPATHY,” THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER, vol. 11, no. 3, pp. 115–122, 2016, [Online]. Available: https://sid.ir/paper/302072/en

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