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MUTLU, BÜLENT

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2012 - 201713
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Author: SÜNBÜL, MURAT ×

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Now showing 1 - 10 of 14
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    PublicationOpen Access
    Evaluation of Association Between Fluoro-D-Glucose Positron Emission Tomography Uptake with Right Ventricular Functions in Patients with Chronic Thromboembolic Pulmonary Hypertension
    (ELSEVIER SCIENCE INC, 2013-10) YILDIZELİ, BEDRETTİN; Sunbul, Murat; Kivrak, Tarik; Oguz, Mustafa; Ozguven, Salih; Gungor, Serkan; Dede, Fuat; Turoglu, Halil Turgut; Yildizeli, Bedrettin; Mutlu, Bulent
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    Evaluation of right and left heart mechanics in patients with chronic thromboembolic pulmonary hypertension before and after pulmonary thromboendarterectomy
    (SPRINGER, 2015) YILDIZELİ, BEDRETTİN; Sunbul, Murat; Kivrak, Tarik; Durmus, Erdal; Yildizeli, Bedrettin; Mutlu, Bulent
    The aim of the present study was to evaluate of the right and left heart mechanics by two-dimensional (2D) speckle tracking echocardiography (STE) in chronic thromboembolic pulmonary hypertension (CTEPH) patients before and after pulmonary thromboendarterectomy (PTE). A total of 40 consecutive CTEPH patients (mean age 49.3 +/- A 13.5 years, 27 female) were included. 2D STE was performed in all patients before, and 3 months, after PTE. 12 months of prognostic data were also recorded via the use of telephone calls. Postoperative 6-minute walk test (6MWT) distances were significantly longer than preoperative values (410.5 +/- A 61.5 vs. 216.6 +/- A 131.4 m, p < 0.001). Postoperative left ventricular (LV) and right ventricular (RV) systolic functions (LV EF, TAPSE, RVS) were similar compared to preoperative values. While postoperative RV, right atrial (RA) and systolic pulmonary artery pressure measurements were significantly lower, LV and left atrial (LA) measurements were higher than preoperative values. Postoperative LV and RV global longitudinal strain (GLS) measurements were significantly higher than preoperative values. Postoperative LV global radial and circumferential strain measurements were similar to preoperative values. While postoperative RA reservoir and conduit functions were significantly higher, postoperative LA reservoir and conduit functions were similar to preoperative values. Correlation analysis revealed that baseline 6MWT distances were correlated with LV GLS, RV GLS, and RA reservoir and conduit functions in the preoperative and postoperative periods. 2D STE indices may help the clinician in assessing the effect of PTE on cardiac functions and may also be used for follow-up data in CTEPH patients.
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    PublicationOpen Access
    Utility of Speckle Tracking Echocardiography in Asymptomatic Mild to Moderate Aortic Stenosis at Rest and During Supine Bicycle Exercise Test
    (ELSEVIER SCIENCE INC, 2013-10) MUTLU, BÜLENT; Sunbul, Murat; Akhundova, Aysel; Sari, Ibrahim; Erdogan, Okan; Mutlu, Bulent
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    Percutaneous closure of the coronary artery-pulmonary artery fistula in a patient with apical hypertrophic cardiomyopathy [Apikal hipertrofik kardiyomiyopatili bir hastada koroner arter ile pulmoner arter arasindaki fistülün perkütan yolla kapatilmasi]
    (Turkish Anaesthesiology and Intensive Care Society, 2013) MUTLU, BÜLENT; Sünbül M., Topal N.P., Kivrak T., Mutlu B.
    A fifty-four-year-old female patient was admitted to our unit with exertional chest pain of six months duration. Transthoracic echocardiography showed apical hypertrophy. Upon further investigation, cardiac magnetic resonance imaging revealed apical hypertrophic cardiomyopathy. The patient underwent myocardial perfusion scintigraphy which showed anterior ischemia. Coronary angiography revealed an arteriovenous fistula (AVF) from the left anterior descending artery to the pulmonary artery. The patient's chest pain was attributed to a coronary steal syndrome secondary to the coronary AVF. The AVF fistula was closed with a coil and the patient's chest pain improved. In conclusion, coronary steal syndrome may lead to myocardial ischemia in patients with a coronary AVF. © 2013 Türk Kardiyoloji Derneǧi.
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    PublicationOpen Access
    Successful Treatment of Myocardial Bridge with Alcohol Septal Ablation in Hypertrophic Obstructive Cardiomyopathy
    (2014-02-17) KEPEZ, ALPER; Sunbul, Murat; Kepez, Alper; Tigen, Kursat; Erdogan, Okan; Mutlu, Bulent
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    Left Ventricular Strain and Strain Rate by Two-Dimensional Speckle Tracking Echocardiography in Patients with Subclinical Hypothyroidism
    (2012-11-01) SÜNBÜL, MURAT; MUTLU, BÜLENT; SÜNBÜL M., Kivrak T., Yildiz H., Durmus E., Kanar B., Ozben B., MUTLU B.
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    Evaluation of left ventricular functions in patients with primary hyperparathyroidism: is there any effect of parathyroidectomy?
    (SPRINGER WIEN, 2017) KEPEZ, ALPER; Kepez, Alper; Yasar, Mehmet; Sunbul, Murat; Ileri, Cigdem; Deyneli, Oguzhan; Mutlu, Bulent; Yesildag, Osman; Basaran, Yelda
    Our aim was to evaluate left ventricular (LV) systolic and diastolic functions of primary hyperparathyroidism (pHPT) patients with detailed echocardiographic analysis and investigate the effect of parathyroidectomy on echocardiographic parameters. A total of 22 eligible consecutive patients with pHPT who underwent parathyroidectomy operation were recruited to the study. Another 22 subjects with similar age, gender and frequency of cardiovascular risk factors compared to patients were used as a control group. Echocardiographic parameters of patients scheduled for parathyroidectomy were compared to healthy matched controls. Echocardiographic parameters measured 6 months after the operation were also compared with preoperative values for each patient. Patients had higher LV mass index compared with controls. There were no significant differences between groups regarding 2D echocardiographic parameters reflecting LV systolic function and tissue Doppler velocities; however, 2D echocardiographic parameters demonstrated impairment in LV diastolic functions compared with controls. Speckle tracking echocardiography (STE) demonstrated similar LV global longitudinal systolic strain; however, left atrial conduit and reservoir functions were significantly reduced in patients with pHPT. In general, there were no significant differences between baseline and postoperative state regarding parameters reflecting LV systolic and diastolic functions; however, STE demonstrated significantly increased LV global longitudinal strain after surgery (22.3 +/- 3.3% vs 20.3 +/- 2.9%, p = 0.026). Patients with pHPT displayed higher LV mass and impairment in LV diastolic function compared with controls. Parathyroidectomy did not lead to significant improvements in LV mass or LV diastolic function; however, subtle but not apparent increases in LV systolic function were observed 6 months after surgery.
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    Mitral kapakta prolapsa baǧli yalanci Kitle görünümü [Mitral valve prolapse with mass-like appearance]
    (2012) MUTLU, BÜLENT; Sünbül M., Kivrak T., Mutlu B.
    [No abstract available]
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    Torsade de pointes A rare cause of syncope in severe aortic stenosis
    (URBAN & VOGEL, 2013) MUTLU, BÜLENT; Sunbul, M.; Erdogan, O.; Mutlu, B.
    The evaluation of syncope in severe aortic stenosis usually requires intense work-up. Mechanical obstruction should not always be implicated as the underlying cause of syncope. Syncope at rest may be rarely associated with ventricular arrhythmias. We present a patient with severe aortic stenosis who experienced syncopal events due to torsade de pointes.
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    PublicationOpen Access
    Effect of pulmonary endarterectomy on six-minute walking test and echocardiography in the early stage
    (TURKISH SOC CARDIOLOGY, 2016) YILDIZELİ, BEDRETTİN; Kivrak, Tarik; Durmus, Erdal; Sunbul, Murat; Yildizeli, Bedrettin; Mutlu, Bulent
    Objective: Pre- and postoperative changes in echocardiographic parameters and results of 6-minute walking test (6-MWT) were investigated in the present study. Methods: Seventy-six patients (32 males, 44 females; mean age 45.9 +/- 15.1 years) were included. Before and after surgery, 6-MWT and echocardiography were performed. Changes in postoperative parameters were compared to basal walking test and other basal parameters. Results: Distance covered in 6-MWT significantly increased after surgery (p<0.001). Significant decrease in right ventricular diameter and pressure, and significant increase in left ventricular diameter were also observed. While changes in ejection fraction (EF) were not significant, significant reduction in systolic pulmonary artery pressure (sPAP) and tricuspid regurgitation were observed. No statistically significant correlation was observed between baseline 6-MWT results and echocardiographic parameters. Conclusion: The present study was the first to investigate the correlation between baseline 6-MWT results and right ventricular echocardiographic parameters. Myocardial performance index (MPI) and TAPSE were important parameters in follow-up after pulmonary endarterectomy. Improvement in quality of life parameters was also important.