Fatih Poyraz

Near-field coseismic deformation across the Sürgü–Erkenek segments revealed by integrated GNSS and InSAR analysis following the 2023 Kahramanmaraş Earthquakes, Türkiye

ibrahim Tiryakioğlu, Halil İbrahim Solak, Cemil Gezgin, Kayhan Aladoğan et autres

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Diagnostic Adequacy of Pre‐ TAVI CTA Compared With ICA and Its Prognostic Association With Coronary Artery Disease

Murat Kaya, Osman Konukoğlu, Barış Can Arslan, Fatıma Merve Kaya et autres

BACKGROUND: Previous studies have investigated the concordance between pre-TAVI coronary CT angiography (CTA) and invasive coronary angiography (ICA). PURPOSE: To evaluate the agreement between pre-TAVI coronary CTA and ICA and to determine the relationship between coronary artery disease and one-year survival: MATERIALS …

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Slip asymmetry of the Yedisu Segment of the North Anatolian Fault from GPS velocity fields

Oguzhan Tecel, Hüseyin Duman, Bekir Poyraz, Fatih Poyraz et autres

The Yedisu Segment is one of the most significant seismic gaps of the North Anatolian Fault Zone (NAFZ), following the segments located near Istanbul. This segment is approximately 80 km long and has remained seismically quiet for about 242 years. It has …

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Integrative Mechanisms of Osteoprotegerin in Cardiovascular Pathophysiology

Lütfü Aşkın, Okan Tanrıverdi, Erdem Kaya, Fatih Poyraz et autres

Osteoprotegerin (OPG), a glycoprotein in the tumor necrosis factor superfamily, regulates bone metabolism by suppressing the formation and activation of osteoclasts. Nonetheless, increasing evidence underscores its physiological importance, particularly in cardiovascular diseases (CVDs). Elevated OPG levels are associated with atherosclerosis, arterial calcification, …

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CLINICAL AND HEMODYNAMIC RESULTS OF PERCUTENOUS PULMONARY VALVE REPLACEMENT

Fatih Poyraz, Veysel Özgür Barış

InSAR time-series results of the 2025 Santorini unrest, using Sentinel-1A data

Bekir Poyraz, Hüseyin Duman, Yavuz Gül, Fatih Poyraz et autres

Santorini Island is of volcanic origin and has historically faced repeated volcanic and seismic activity. In early 2025, increased volcanism and intensified earthquake activity, similar to 2011-2012, caused residents’ concern. This study aims to characterize ground deformation on Santorini Island during its …

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A state-of-the-art new method for diagnosing atrial septal defects with origami technique augmented dataset and a column-based statistical feature extractor

Irfan Yaman, İrfan Kılıç, Orhan Yaman, Fatih Poyraz et autres

Early diagnosis of atrial septal defects (ASDs) from chest X-ray (CXR) images with high accuracy is vital. This study created a dataset from chest X-ray images obtained from different adult subjects. To diagnose atrial septal defects with very high accuracy, which we …

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Prognostic Impact of Right Ventricular Damage Markers on CT in Patients Undergoing TAVI

Veysel Özgür Barış, Özkan Karaca, Murat Harman, Fatih Poyraz et autres

Background: In patients undergoing surgical aortic valve replacement due to severe aortic valve stenosis (AS), the presence of right ventricular damage markers (RVDMs) determined by echocardiography is a poor prognostic indicator. However, such data is not available in patient groups who have …

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A new methodology for determining the long-term behavior of earth surface deformations from InSAR results

Yavuz Gül, Kemal Özgür Hastaoğlu, Fatih Poyraz

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6 Şubat Kahramanmaraş Depremleri Sonrasında Ecemiş Fayı’nda Meydana Gelen Kabuksal Deformasyonların GNSS Yöntemiyle Belirlenmesi

İbrahim Tiryakioğlu, Fikret Koçbulut, Cemil Gezgin, Halil İbrahim Solak et autres

Bu çalışmada, Ecemiş Fayı ve çevresindeki kabuksal deformasyonun belirlenmesi amacıyla kurulan 28 noktalı GNSS ağında 6 Şubat Kahramanmaraş depremleri sonrası meydana gelen kosismik deformasyon incelenmiştir. TÜBİTAK 121Y409 numaralı proje kapsamında kurulan GNSS ağı, bölgede yer alan TUTGA noktaları ve TUSAGA-Aktif istasyonları ile …

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Comparison of the monitoring of surface deformations in open-pit mines with Sentinel-1A and TerraSAR-X satellite radar data

Yavuz Gül, Bekir Poyraz, Fatih Poyraz

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Role of Corin in Cardiovascular Disease

Lütfü Aşkın, Fatih Poyraz

TransmembrĂĄnovĂĄ serinovĂĄ proteĂĄza II. typu corin, kterĂĄ se vyskytuje ve vĂ˝znamnĂŠm mnoĹžstvĂ­ v srdci, aktivuje natriuretickĂŠ peptidy. Do oběhu je corin uvolňovĂĄn z myocytĹŻ. CirkulujĂ­cĂ­ solubilnĂ­ corin je spojen s hypertenzĂ­, srdečnĂ­m selhĂĄnĂ­m, infarktem myokardu, preeklampsiĂ­ i s cĂŠvnĂ­mi mozkovĂ˝mi příhodami. NaĹĄe …

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