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    Assesment of Left Atrial Volume in Patients with Mitral Annular Calcification With Real-Time Three-Dimensional Echocardiography
    (Elsevier Science Inc, 2013) Bayramoglu, Adil; Otlu, Yilmaz Omur; Hidayet, Siho; Tasolar, Hakan; Kurt, Fuat; Pekdemir, Hasan
    [Abstract Not Available]
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    Assessment of left atrial volume and mechanical functions using real-time three-dimensional echocardiography in patients with mitral annular calcification
    (Turkish Soc Cardiology, 2016) Bayramoglu, Adil; Tasolar, Hakan; Otlu, Yilmaz Omur; Hidayet, Siho; Kurt, Fuat; Dogan, Adil; Pekdemir, Hasan
    Objective: Mitral annular calcification (MAC) is degeneration of the fibrous annular ring of the mitral valve. Left atrial (LA) function and volume have been evaluated by many methods; however, none have used real-time three-dimensional echocardiography (RT3DE) in patients with MAC. Our study is the first to evaluate LA volume and mechanical function using RT3DE in patients with MAC. Methods: Our study was a prospective cross-sectional study. In total, 32 patients with echocardiographic evidence of MAC and 30 volunteers without MAC were enrolled in the study. Kolmogorov-Smirnov test, Student's t-test, Mann-Whitney U test, chi-square test, Pearson's correlation test, and multiple linear regression analyses were used in this study. Results: LA diameter was significantly higher in patients with MAC (38.5 +/- 3.8 vs. 31.1 +/- 2.9, p<0.001). Maximum LA volume (49.6 +/- 11.2 vs. 35.6 +/- 2.5, p<0.001), minimum LA volume (23.8 +/- 7.9 vs. 12.6 +/- 2.3, p<0.001), and LA volume index (LAVI) (26.9 +/- 6.1 vs. 20.5 +/- 2.4, p<0.001) were also higher in the MAC group. LAVI was correlated with age (p<0.001), blood urea nitrogen levels (p=0.089), total cholesterol levels (p=0.055), left ventricular systolic myocardial velocity (p=0.048), E/A ratio (p<0.001), and MAC (p<0.001). Multiple linear regression analyses revealed that age (beta=0.390, p<0.001) and MAC (beta=0.527, p<0.001) were independent predictors of LAVI. Conclusion: We found that LA mechanical function was impaired in patients with MAC. Furthermore, age and MAC were independent predictors of increased LAVI according to our RT3DE examination.
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    Bilateral Coronary Artery Fistulas Draining Into Pulmonary Artery
    (Derman Medical Publ, 2015) Otlu, Yilmaz Omur; Bayramoglu, Adil; Hidayet, Siho
    [Abstract Not Available]
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    Coexistence of Single Coronary Artery Anomaly and Aortic Arch Anomaly
    (Derman Medical Publ, 2015) Otlu, Yilmaz Omur; Oner, Serkan; Hidayet, Siho
    [Abstract Not Available]
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    Coexistence of Sinus Valsalva Aneurysm Rupture and Atrial Septal Defect
    (Excerpta Medica Inc-Elsevier Science Inc, 2014) Hidayet, Siho; Otlu, Yilmaz Omur; Bayramoglu, Adil; Ulutas, Zeynep; Ermis, Necip; Ozdemir, Ramazan
    [Abstract Not Available]
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    Comparison of left atrial volume and function in non-dipper versus dipper hypertensives: A real-time three-dimensional echocardiography study
    (Kare Publ, 2016) Ermis, Necip; Otlu, Yilmaz Omur; Afsin, Abdulmecit; Hidayet, Siho; Acikgoz, Nusret; Cansel, Mehmet; Yagmur, Julide
    Objective: Non-dipper hypertension is associated with an increased cardiovascular morbidity and mortality. Besides this, the left atrial (LA) size and functions are accepted to be prognostic factors in various cardiovascular diseases. In this study, we aimed to evaluate the effect of nondipper hypertension on LA volume and functions using real-time three-dimensional echocardiography (RT3-DE). Methods: Forty dipper and 52 non-dipper hypertensives enrolled in this prospective cross-sectional study. Patients with any comorbidities that have a potential for causing structural cardiac alterations were excluded. Two-dimensional echocardiography (2-DE) and RT3-DE were performed to assess LA volumes and functions. The statistical tests used in this study were Shapiro-Wilk's test, Student's t-test, Mann-Whitney U test, chi-square test, Spearman's test, and Pearson's correlation test. Results: LA minimal volume, LA volume before LA contraction, and LA total systolic volume were higher in non-dipper hypertensives than in dipper hypertensives (p<0.001, p=0.003, and p=0.03, respectively). Only, the 2-DE measurements of interventricular septal thickness and E/Em ratio were higher in non-dipper hypertensives (p=0.001 and p=0.03, respectively). There was a moderate correlation between LA minimal volume and LA volume before LA contraction with E/Em (r=0.31, p=0.007 and r=0.32, p=0.005, respectively). Conclusion: Although LA volume and passive LA systolic functions measured by RT3-DE are significantly increased in non-dipper hypertensives, the alterations in active LA systolic functions are not prominent. RT-3DE may be used to define LA volume and function alterations in conditions that have capabilities of adverse cardiac remodeling such as systemic hypertension.
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    Large Thrombus Formation from Right Atrial Incision Site after Closure of Atrial Septal Defect
    (Korean Soc Cardiology, 2013) Disli, Olcay Murat; Erdil, Nevzat; Akca, Baris; Otlu, Yilmaz Omur; Battaloglu, Bektas
    Atrial septal defect (ASD) is the common congenital anomaly which requires surgical interventions. Right atrial thrombus formations after primary suture repairs of the ASD and evidences of thromboembolic complications are extremely rare. Specifically, the cases of thromboembolic complications have high mortality and morbidity risks. Two cases of giant intra-atrial thrombus formation detected in the late stage after primary repairs of ASDs are being discussed.
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    Transradial Percutaneous Coronary Intervention in a Patient with a Rare Coronary Anomaly: Twin Circumflex Arteries
    (Taiwan Soc Cardiology, 2015) Otlu, Yilmaz Omur; Bayramoglu, Adil; Hidayet, Siho; Ermis, Necip
    Coronary artery anomalies are rare in population and most of them are found incidentally during coronary angiography. Percutaneous treatment of critical lesions on anomalous arteries may lead to difficulties due to their abnormal origin or course. Herein, we report a 65-year-old male patient presented with recent onset chest pain. Electrocardiogram and transthoracic echocardiography were in normal range. Treadmill exercise test revealed ST segment depression in lead V-4-V-6. Angiography revealed an unusual coronary anomaly: twin circumflex arteries originating from left main coronary artery and same orifice of right coronary artery, respectively. There was a significant stenosis on the right sided circumflex artery, which was treated percutaneously via transradial access.