Yazar "Gürsoy, Mustafa Ozan" için listeleme
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Challenges in the management of patients with mechanical prosthetic heart valves during pregnancy
Kalçık, Macit; Güner, Ahmet; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Taylor & Francis Ltd, 2021)To the editor, We have recently read with great interest the article by Kai et al. entitled “Pregnancy managed by unfractionated heparin (UFH) after mechanical aortic valve replacement” [1]. The authors have reported the ... -
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 ... -
Clinical safety and efficacy of thrombolytic therapy with low-dose prolonged infusion of tissue type plasminogen activator in patients with intermediate-high risk pulmonary embolism
Güner, Ahmet; Kalçık, Macit; Aykan, Ahmet Ç.; Gürsoy, Mustafa Ozan; Kalkan, Ali K.; Astarcıoğlu, Mehmet A.; Özkan, Mehmet (Lippincott Williams & Wilkins, 2020)The patients with intermediate-high risk pulmonary embolism who have acute right ventricular (RV) dysfunction and myocardial injury without overt hemodynamic compromise may be candidates for thrombolytic therapy. Alternative ... -
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 ... -
Comparison of syntax score and syntax score II to predict “no reflow phenomenon” in patients with ST-segment elevation myocardial infarction
Yesin, Mahmut; Çağdaş, Metin; Kalçık, Macit; Uluganyan, Mahmut; Efe, Süleyman Çağan; Rencüzoğulları, İbrahim; Karabağ, Yavuz; Gürsoy, Mustafa Ozan; Karakoyun, Süleyman (Springer Netherlands, 2017)Even though the relationship between syntax score (SS) and coronary no-reflow phenomenon has been studied, the relation between SS and syntax score II (SS II) in patients with no-reflow phenomenon is unknown. We aimed to ... -
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 ... -
A comprehensive review of the diagnosis and management of mitral paravalvular leakage
Gürsoy, Mustafa Ozan; Güner, Ahmet; Kalçık, Macit; Bayam, Emrah; Özkan, Mehmet (Turkish Soc Cardiology, 2020)Mitral paravalvular leaks (PVLs) commonly occur in patients with prosthetic valves. Paravalvular defects may be clinically inconsequential and may aggravate hemolysis or cause heart failure through regurgitation. Accordingly, ... -
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 ... -
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 ... -
Evaluation of the relationship between platelet indices and spontaneous echo contrast in patients with mitral prosthetic heart valves
Kalçık, Macit; Sayar, Ahmet Güner; Bayam, Emrah; Yesin, Mahmut; Kalkan, Semih; Gürsoy, Mustafa Ozan; Özkan, Mehmet Akif (2020)Objective: Spontaneous echo contrast (SEC) is defined as dynamic, smoke-like echoes within the cardiac cavities with a characteristic swirling motion seen on echocardiography. Clinical studies have demonstrated that SEC ... -
Fragmented QRS may predict new onset atrial fibrillation in patients with ST-segment elevation myocardial infarction
Yesin, Mahmut; Kalçık, Macit; Çağdaş, Metin; Karabağ, Yavuz; Rencüzoğulları, İbrahim; Gürsoy, Mustafa Ozan; Efe, Süleyman Çağan; Karakoyun, Süleyman (Churchill Livingstone Inc., 2018)Background Fragmented QRS (fQRS) has been shown to be a marker of local myocardial conduction abnormalities, cardiac fibrosis in previous studies. It was also reported to be a predictor of sudden cardiac death and increased ... -
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 ... -
Improvement of endothelial function early after thrombolytic therapy in patients with prosthetic heart valve thrombosis
Çakal, Beytullah; Kalçık, Macit; Güner, Ahmet; Gürsoy, Mustafa Ozan; Yesin, Mahmut; Karakoyun, Süleyman; Özkan, Mehmet (2020)Objective: Prosthetic valve thrombosis (PVT) is a serious complication among patients with prosthetic heart valves. Thrombolytic therapy (TT) is now widely used as first-line treatment for PVT. Endothelial dysfunction has ... -
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 ... -
Is high thromboembolic risk not really associated with low time in therapeutic range in patients with prosthetic heart valves?
Güner, Ahmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Elsevier Ireland Ltd, 2019)Dear Editor, We have recently read with great interest the article reported by Poli et al. which was published in the last issue of International Journal of Cardiology [1]. We appreciate the authors for valuable contribution ... -
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 ... -
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 ...
