Yazar "Gündüz, Sabahattin" için listeleme
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Characteristic localization patterns of thrombus on various brands of bileaflet mitral mechanical heart valves as assessed by three-dimensional transesophageal echocardiography and their relationship with thromboembolism
Sarı, Munevver; Bayram, Zübeyde; Aytürk, Mehmet; Bayam, Emrah; Kalkan, Semih; Güner, Ahmet; Özkan, Mehmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin (Springer, 2021)Three-dimensional transesophageal echocardiography (3D-TEE) provides detailed images of prosthetic valve thrombosis (PVT). However, data regarding PVT localization patterns based on 3D-TEE and their association with clinical ... -
Comparison of different anticoagulation regimens in pregnant patients with mechanical prosthetic heart valves
Kalçık, Macit; Bayam, Emrah; Yesin, Mahmut; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Karakoyun, Süleyman; Özkan, Mehmet (Oxford Univ Press, 2017)[Abstract Not Available] -
Comparison of Different Anticoagulation Regimens Regarding Maternal and Fetal Outcomes in Pregnant Patients With Mechanical Prosthetic Heart Valves (from the Multicenter ANATOLIA-PREG Registry)
Güner, Ahmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin; Astarcıoğlu, Mehmet Ali; Bayam, Emrah; Özkan, Mehmet (Excerpta Medica Inc-Elsevier Science Inc, 2020)Mechanical prosthetic heart valves (MPHVs) are highly thrombogenic, and a pregnancyinduced procoagulant status increases the risk of MPHV thrombosis. Despite numerous case reports, 2 major registries and meta-analyses/systematic ... -
Complementary role of cardiac computed tomography to transesophageal echocardiography in the evaluation of prosthetic valve dysfunction
Kalçık, Macit; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Elsevier Ireland Ltd, 2017)Dear Editor, We have read with great interest the article by Suh et al. describingtheadded value of cardiaccomputed tomography(CT) in theevaluationof pannus overgrowth on mechanical prosthetic valves[1]. Cardiac CThas a ... -
Diagnosis, treatment & management of prosthetic valve thrombosis: the key considerations
Gündüz, Sabahattin; Kalçık, Macit; Gürsoy, Mustafa Ozan; Güner, Ahmet; Özkan, Mehmet (Taylor & Francis Ltd, 2020)Introduction: Prosthetic heart valve thrombosis is a life-threatening complication after valve replacement surgery. Although subtherapeutic anticoagulation is the main cause, there are many other conventional and esoteric ... -
Echocardiography Aided by Computed Tomography to Diagnose Obstructive Masses in Patients with Prosthetic Heart Valves
Kalçık, Macit; Güner, Ahmet; Gündüz, Sabahattin; Özkan, Mehmet (Texas Heart Inst, 2020)To the Editor: We appreciate Kealhofer and colleagues’ report on their beneficial use of cardiac computed tomography (CT) for evaluating prosthetic aortic valve dysfunction.1 We want to contribute further by drawing attention ... -
Evaluation of the potential predictors of embolism in patients with left atrial myxoma
Kalçık, Macit; Bayam, Emrah; Güner, Ahmet; Küp, Ayhan; Kalkan, Semih; Yesin, Mahmut; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin; Karakoyun, Süleyman; Özkan, Mehmet (Blackwell Publishing Inc., 2019)Introduction: Cardiac myxomas are the most common primary intracardiac tumors. Although myxomas are histologically benign, they are potentially dangerous due to potential risk of systemic and cerebral embolism. In this ... -
A global perspective on mechanical prosthetic heart valve thrombosis: Diagnostic and therapeutic challenges
Gürsoy, Mustafa Ozan; Kalçık, Macit; Yesin, Mahmut; Karakoyun, Süleyman; Bayam, Emrah; Gündüz, Sabahattin; Özkan, Mehmet (Turkish Society of Cardiology, 2019)Prosthetic valve thrombosis is one of the major causes of primary valve failure, which can be life-threatening. Multimodality imaging is necessary for determination of leaflet immobilization, cause of underlying pathology ... -
How to perform and manage low-dose and slow/ultra-slow tissue type plasminogen activator infusion regimens in patients with prosthetic valve thrombosis
Güner, Ahmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin; Özkan, Mehmet (Springer New York LLC, 2018)Over the last two decades, thrombolytic therapy (TT) has become an alternative to surgery as a first-line therapy in patients with thrombosed mechanical valves [1, 2, 3]. In TROIA Trial, low dose (25 mg)—slow infusion (6 ... -
Identification of mechanical prosthetic heart valves based on distinctive cinefluoroscopic and echocardiographic markers
Kalçık, Macit; Güner, Ahmet; Yesin, Mahmut; Bayam, Emrah; Kalkan, Semih; Gündüz, Sabahattin; Özkan, Mehmet (Sage Publications Ltd, 2019)The past 65 years have witnessed remarkable progress in the development of safe, hemodynamically favorable mechanical heart valves. Today, there are a large number and variety of prostheses in use and many prostheses have ... -
Is fibrinolytic therapy really safe in the treatment of prosthetic valve thrombosis in patients with high INR?
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Wiley, 2021)To the Editor, We have recently read with great interest the article by Farzaneh et al.1 entitled “Safety of thrombolytic therapy in patients with prosthetic heart valve thrombosis who have high international normalized ... -
Low Dose and Slow/Ultra-Slow Infusion Thrombolytic Therapy Regimens are Effective and Safe in Patients With Prosthetic Valve Thrombosis
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Kalkan, Semih; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Elsevier Science Inc, 2020)To the Editor,We have recently read with great interest the article by Milneet al. entitled‘Management and outcomes of prosthetic valvethrombosis. An Australian case series from the NorthernTerritory’[1]. -
Management of an acute ischemic stroke during thrombolytic treatment in a pregnant patient with prosthetic valve thrombosis
Kalçık, Macit; Yesin, Mahmut; Bayam, Emrah; Gürsoy, Mustafa Ozan; Güner, Ahmet; Gündüz, Sabahattin; Özkan, Mehmet (Akademiai Kiado Rt., 2017)Prosthetic valve thrombosis (PVT) is a life-threatening complication in pregnant women with mechanical prosthetic heart valves. Thrombolytic therapy (TT) has evolved as an effective treatment alternative to surgery, which ... -
Management of antithrombotic therapy after prosthetic valve implantation
Kalçık, Macit; Güner, Ahmet; Gündüz, Sabahattin; Özkan, Mehmet (John Wiley and Sons Inc, 2021)To the Editor, We have recently read with great interest the article by Wei et al. entitled “Recurrent prosthetic valve dysfunction in a patient with idiopathic hypereosinophilic syndrome: A case report and literature ... -
Management of prosthetic valve thrombosis concomitant with coronary embolism
Kalçık, Macit; Güner, Ahmet; Gündüz, Sabahattin; Özkan, Mehmet (NLM (Medline), 2019)We have recently read with great interest the article by Olcay (1) published in Anatol J Cardiol 2018; 20: 365-7. We appreciate the author for his report describing the concomitant left main coronary artery and mitral ... -
Management of prosthetic valve thrombosis concomitant with coronary embolism
We have recently read with great interest the article by Olcay (1) published in Anatol J Cardiol 2018; 20: 365-7. We appreciate the author for his report describing the concomitant left main coronary artery and mitral ... -
Noninvasive diagnostic tools available for discrimination pannus from thrombus in patients with prosthetic valve dysfunction
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Yesin, Mahmut; Bayam, Emrah; Kalkan, Ali Kemal; Kalkan, Semih; Özkan, Mehmet (Blackwell Publishing Inc., 2019)We have recently read with great interest the article by Barroso Freitas‐Ferraz et al1 entitled “Prosthetic aortic valve thrombosis: To fibrinolyse or not to fibrinolyse? That is the question!”. The authors reported a case ... -
Normal reference values for mechanical mitral prosthetic valve inner diameters and areas assessed by two-dimensional and real-time three-dimensional transesophageal echocardiography
Kalçık, Macit; Özkan, Mehmet; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Yesin, Mahmut; Bayam, Emrah; Tanboğa, Halil Ibrahim (Springer, 2021)It was previously observed that two dimensional (2D) Doppler derived and real-time three-dimensional (RT-3D) directly measured valve areas were smaller than reported manufacturer sizes. It may be helpful to obtain the ... -
Recently introduced thrombolytic therapy regimens have been sufficiently effective and safer in patients with prosthetic valve thrombosis
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Özkan, Mehmet (Elsevier Ltd, 2019)To the Editor, We have read with great interest the article by Araiza-Garaygordobil et al. entitled “Thrombolytic treatment for acute prosthetic valve thrombosis: Is it better than surgery?” [1]. The authors reported a ... -
The relationship between heparanase levels, thrombus burden and thromboembolism in patients receiving unfractionated heparin treatment for prosthetic valve thrombosis
Bayam, Emrah; Kalçık, Macit; Gürbüz, Ahmet Seyfeddin; Yesin, Mahmut; Güner, Ahmet; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Karakoyun, Süleyman; Cerşit, Sinan; Kılıçgedik, Alev; Candan, Özkan; Yaman, Ali; Özkan, Mehmet (Elsevier Ltd, 2018)Introduction: Procoagulant activity of heparanase has been recently described in several arterial and venous thrombotic disorders. In this study, we aimed to investigate the role of heparanase with regard to thrombus burden, ...
