103 results on '"Kutlu, Merih"'
Search Results
2. Evaluation of atrial fibrillation risk in patients with vasovagal syncope
- Author
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Şahin, Mürsel, Cömert, Adnan Duha, and Kutlu, Merih
- Published
- 2022
- Full Text
- View/download PDF
3. Global perspective of familial hypercholesterolaemia: a cross-sectional study from the EAS Familial Hypercholesterolaemia Studies Collaboration (FHSC)
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Vallejo-Vaz, Antonio J., Stevens, Christophe A.T., Lyons, Alexander R.M., Dharmayat, Kanika I., Freiberger, Tomas, Hovingh, G. Kees, Mata, Pedro, Raal, Frederick J., Santos, Raul D., Soran, Handrean, Watts, Gerald F., Abifadel, Marianne, Aguilar-Salinas, Carlos A., Alhabib, Khalid F., Alkhnifsawi, Mutaz, Almahmeed, Wael, Alnouri, Fahad, Alonso, Rodrigo, Al-Rasadi, Khalid, Al-Sarraf, Ahmad, Al-Sayed, Nasreen, Araujo, Francisco, Ashavaid, Tester F., Banach, Maciej, Béliard, Sophie, Benn, Marianne, Binder, Christoph J., Bogsrud, Martin P., Bourbon, Mafalda, Chlebus, Krzysztof, Corral, Pablo, Davletov, Kairat, Descamps, Olivier S., Durst, Ronen, Ezhov, Marat, Gaita, Dan, Genest, Jacques, Groselj, Urh, Harada-Shiba, Mariko, Holven, Kirsten B., Kayikcioglu, Meral, Khovidhunkit, Weerapan, Lalic, Katarina, Latkovskis, Gustavs, Laufs, Ulrich, Liberopoulos, Evangelos, Lima-Martinez, Marcos M., Lin, Jie, Maher, Vincent, Marais, A. 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Rahman A., Nazli, Sukma A., Razman, Aimi Z., Rosman, Norhidayah, Rahmat, Radzi, Hamzan, Nur S., Azzopardi, C., Mehta, Roopa, Martagon, Alexandro J., Ramirez, Gabriela A.G., Villa, Neftali E.A., Vazquez, Arsenio V., Elias-Lopez, Daniel, Retana, Gustavo G., Rodriguez, Betsabel, Macías, Jose J.C., Zazueta, Alejandro R., Alvarado, Rocio M., Portano, Julieta D.M., Lopez, Humberto A., Sauque-Reyna, Leobardo, Herrera, Laura G.G., Mendia, Luis E.S., Aguilar, Humberto Garcia, Cooremans, Elizabeth R., Aparicio, Berenice P., Zubieta, Victoria M., Gonzalez, Perla A.C., Ferreira-Hermosillo, Aldo, Portilla, Nacu C., Dominguez, Guadalupe J., Garcia, Alinna Y.R., Cazares, Hector E.A., Gonzalez, Jesus R., Valencia, Carla V.M., Padilla, Francisco G., Prado, Ramon M., De los Rios Ibarra, Manuel O., Villicaña, Ruy D.A., Rivera, Karina J.A., Carrera, Ricardo A., Alvarez, Jose A., Martinez, Jose C.A., de los Reyes Barrera Bustillo, Manuel, Vargas, Gonzalo C., Chacon, Roberto C., Andrade, Mario H.F., Ortega, Ashanty F., Alcala, Hector G., de Leon, Laura E.G., Guzman, Berenice G., Garcia, Jose J.G., Cuellar, Juan C.G., Cruz, Jose R.G., Garcia, Anell Hernandez, Almada, Jesus R.H., Herrera, Ursulo J., Sobrevilla, Fabiola L., Rodriguez, Eduardo M., Sibaja, Cristina M., Rodriguez, Alma B.M., Oyervides, Jose C.M., Vazquez, Daniel I.P., Rodriguez, Eduardo A.R., Osorio, Ma L.R., Saucedo, Juan R., Tamayo, Margarita T., Talavera, Luis A.V., Arroyo, Luis E.V., Carrillo, Eloy A.Z., Isara, Alphonsus, Obaseki, Darlington E., Al-Waili, Khalid, Al-Zadjali, Fahad, Al-Zakwani, Ibrahim, Al-Kindi, Mohammed, Al-Mukhaini, Suad, Al-Barwani, Hamida, Rana, Asim, Shah, Lahore S.U., Starostecka, Ewa, Konopka, Agnieszka, Lewek, Joanna, Bartłomiejczyk, Marcin, Gąsior, Mariusz, Dyrbuś, Krzysztof, Jóźwiak, Jacek, Gruchała, Marcin, Pajkowski, Marcin, Romanowska-Kocejko, Marzena, Żarczyńska-Buchowiecka, Marta, Chmara, Magdalena, Wasąg, Bartosz, Parczewska, Aleksandra, Gilis-Malinowska, Natasza, Borowiec-Wolna, Justyna, Stróżyk, Aneta, Woś, Marlena, Michalska-Grzonkowska, Aleksandra, Medeiros, Ana M., Alves, Ana C., Silva, Francisco, Lobarinhas, Goreti, Palma, Isabel, de Moura, Jose P., Rico, Miguel T., Rato, Quitéria, Pais, Patrícia, Correia, Susana, Moldovan, Oana, Virtuoso, Maria J., Salgado, Jose M., Colaço, Ines, Dumitrescu, Andreea, Lengher, Calin, Mosteoru, Svetlana, Meshkov, Alexey, Ershova, Alexandra, Rozkova, Tatiana, Korneva, Victoria, Yu, Kuznetsova T., Zafiraki, Vitaliy, Voevoda, Mikhail, Gurevich, Victor, Duplyakov, Dmitry, Ragino, Yulia, Safarova, Maya, Shaposhnik, Igor, Alkaf, Fahmi, Khudari, Alia, Rwaili, Nawal, Al-Allaf, Faisal, Alghamdi, Mohammad, Batais, Mohammed A., Almigbal, Turky H., Kinsara, Abdulhalim, AlQudaimi, Ashraf H.A., Awan, Zuhier, Elamin, Omer A., Altaradi, Hani, Rajkovic, Natasa, Popovic, Ljiljana, Singh, Sandra, Stosic, Ljubica, Rasulic, Iva, Lalic, Nebojsa M., Lam, Carolyn, Le, Tan J., Siang, Eric L.T., Dissanayake, Sanjaya, I-Shing, Justin T., Shyong, Tai E., Jin, Terrance C.S., Balinth, Karin, Buganova, Ingrid, Fabryova, Lubomira, Kadurova, Michaela, Klabnik, Alexander, Kozárová, Miriam, Sirotiakova, Jana, Battelino, Tadej, Kovac, Jernej, Mlinaric, Matej, Sustar, Ursa, Podkrajsek, Katarina T., Fras, Zlatko, Jug, Borut, Cevc, Matija, Pilcher, Gillian J., Blom, D.J., Wolmarans, K.H., Brice, B.C., Muñiz-Grijalvo, Ovidio, Díaz-Díaz, Jose L., de Isla, Leopoldo P., Fuentes, Francisco, Badimon, Lina, Martin, François, Lux, Angela, Chang, Nien-Tzu, Ganokroj, Poranee, Akbulut, Mehmet, Alici, Gökhan, Bayram, Fahri, Can, Levent H., Celik, Ahmet, Ceyhan, Ceyhun, Coskun, Fatma Y., Demir, Mesut, Demircan, Sabri, Dogan, Volkan, Durakoglugil, Emre, Dural, Ibrahim E., Gedikli, Omer, Hacioglu, Aysa, Ildizli, Muge, Kilic, Salih, Kirilmaz, Bahadir, Kutlu, Merih, Oguz, Aytekin, Ozdogan, Oner, Onrat, Ersel, Ozer, Savas, Sabuncu, Tevfik, Sahin, Tayfun, Sivri, Fatih, Sonmez, Alper, Temizhan, Ahmet, Topcu, Selim, Tuncez, Abdullah, Vural, Mirac, Yenercag, Mustafa, Yesilbursa, Dilek, Yigit, Zerrin, Yildirim, Aytul B., Yildirir, Aylin, Yilmaz, Mehmet B., Atallah, Bassam, Traina, Mahmoud, Sabbour, Hani, Hay, Dana A., Luqman, Neama, Elfatih, Abubaker, Abdulrasheed, Arshad, Kwok, See, Oca, Nicolas D., Reyes, Ximena, Alieva, Rano B., Kurbanov, Ravshanbek D., Hoshimov, Shavkat U., Nizamov, Ulugbek I., Ziyaeva, Adolat V., Abdullaeva, Guzal J., Do, Doan L., Nguyen, Mai N.T., Kim, Ngoc T., Le, Thanh T., Le, Hong A., Tokgozoglu, Lale, Catapano, Alberico L., and Ray, Kausik K.
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- 2021
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4. What have we learned from Turkish familial hypercholesterolemia registries (A-HIT1 and A-HIT2)?
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Kayikcioglu, Meral, Tokgozoglu, Lale, Dogan, Volkan, Ceyhan, Ceyhun, Tuncez, Abdullah, Kutlu, Merih, Onrat, Ersel, Alici, Gokhan, Akbulut, Mehmet, Celik, Ahmet, Yesilbursa, Dilek, Sahin, Tayfun, Sonmez, Alper, Ozdogan, Oner, Temizhan, Ahmet, Kilic, Salih, Bayram, Fahri, Sabuncu, Tevfik, Coskun, Fatma Yilmaz, Ildizli, Muge, Durakoglugil, Emre, Kirilmaz, Bahadir, Yilmaz, Mehmet Birhan, Yigit, Zerrin, Yildirim, Aytul Belgi, Gedikli, Omer, Topcu, Selim, Oğuz, Aytekin, Demir, Mesut, Yenerçağ, Mustafa, Yıldırır, Aylin, Demircan, Sabri, Yilmaz, Mehmet, Kaynar, Leyla Gul, Aktan, Melih, Durmus, Rana Berru, Gokce, Cumali, Ozcebe, Osman İlhami, Akyol, Tulay Karaagac, Okutan, Harika, Sag, Saim, Gul, Ozen Oz, Salcioglu, Zafer, Altunkeser, Bülent Behlul, Kuku, Irfan, Yasar, Hurriyet Yilmaz, Kurtoglu, Erdal, Kose, Melis Demir, Demircioglu, Sinan, Pekkolay, Zafer, Ilhan, Osman, and Can, Levent H.
- Published
- 2018
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5. The Relationship Between the Dipping Pattern and Coronary Artery Disease Severity Assessed by the SYNTAX Score in Patients With Hypertension
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Kartaler, Fatih, primary, Şahin, Mürsel, additional, Turan, Oğuzhan E, additional, and Kutlu, Merih, additional
- Published
- 2023
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6. Unexplained Hypoxia in Patient With Aortic Valve Replacement: Case of Hepatopulmonary Syndrome With Delayed Diagnosis
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Kodal, Burcu, primary, Adak, Oğulcan, additional, Kutlu, Merih, additional, Örem, Cihan, additional, and Akkaya, Selçuk, additional
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- 2023
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7. Abstract 18230: Very Low Rates of LDL Goal Attainment in Real Clinical Setting: Interim Results of a Nation-wide Registry of Familial Hypercholesterolemia in Turkey (A-HIT 2)
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Kayikcioglu, Meral, Tokgozoglu, Lale, Dogan, Volkan, Ceyhan, Ceyhun, Tuncez, Abdullah, Kutlu, Merih, Onrat, Ersel, Alici, Gokhan, Akbulut, Mehmet, Celik, Ahmet, Sahin, Tayfun, Sonmez, Alper, Ozdogan, Oner, Temizhan, Ahmet, Kilic, Salih, Bayram, Fahri, Sabuncu, Tevfik, Yilmaz Coskun, Fatma, Ildizli, Muge, Durakoglugil, Emre, Yilmaz, Mehmet Birhan, and Belgi Yildirim, Aytul
- Published
- 2017
8. Influence of HbA1c Level on Long-term Coronary Artery Bypass Graft Patency.
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Şahin, Mürsel, Özer, Savaş, Turan, Oğuzhan Ekrem, Hoşoğlu, Yusuf, and Kutlu, Merih
- Subjects
CORONARY artery bypass ,GLYCOSYLATED hemoglobin ,GASTRIC bypass ,ARTERIAL grafts ,ARTERIAL occlusions ,CORONARY angiography ,CORONARY artery disease - Abstract
Objective: Diabetes mellitus (DM) is a very important prognostic factor in patients with coronary artery disease. The precise effects of controlled or uncontrolled diabetes on bypass graft patency in the long term have not yet been determined. The aim of this study was to assess the effect of the glycated hemoglobin (HbA1c) level on bypass graft patency and contribute information about HbA1c targets for patients with diabetes and a history of bypass surgery. Materials and Methods: A total of 606 patients who underwent coronary bypass surgery and coronary angiography were evaluated. Grafts with any stenosis not causing flow restriction were accepted as patent. The average of all available HbA1c measurements within a year of the angiography was used for analysis. Patients were also analyzed according to the average HbA1c level: well-controlled DM was defined as an average HbA1c level of <7% and uncontrolled DM was defined at an HbA1c level of ≥7%. Results: In all, 114 patients were included in the study, yielding a total of 289 grafts (venous: 182, arterial: 107). The median HbA1c value of the study population was 7.5 mg/dL. The occlusion rate of arterial and venous grafts was 12.4% and 28.2%, respectively. The median graft age was 8.0 years. The HbA1c level was similar in arterial and saphenous grafts according to the presence or absence of occlusion. Conclusion: The HbA1c level was not associated with long-term coronary bypass graft patency. Only a graft age of >5 years was significantly associated with long-term venous graft patency. Studies with patients whose HbA1c level is more strictly controlled may reveal different results. [ABSTRACT FROM AUTHOR]
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- 2022
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9. Left ventricular synchronicity is impaired in patients with active acromegaly
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Kırış, Abdulkadir, Erem, Cihangir, Turan, Oğuzhan Ekrem, Civan, Nadim, Kırış, Gülhanım, Nuhoğlu, İrfan, İlter, Abdulselam, Ersöz, Halil Önder, and Kutlu, Merih
- Published
- 2013
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10. Evaluation of atrial fibrillation risk in patients with vasovagal syncope
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Şahin, Mürsel, primary, Cömert, Adnan Duha, additional, and Kutlu, Merih, additional
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- 2021
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11. Intra-left ventricular systolic asynchrony in patients with overt hyperthyroidism
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Kırış, Abdulkadir, Erem, Cihangir, Kırış, Gülhanım, Koçak, Mustafa, Gedikli, Ömer, Nuhoğlu, İrfan, Kutlu, Merih, Kaplan, Tuba, Gökçe, Mustafa, and Çelik, Şükrü
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- 2010
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12. Koroner Arter Kronik Total Oklüzyon Varlığının İmplanteEdilebilir Kardiyoverter Defibrilatörü Olan Hastaların UzunDönem Prognozu Üzerine Etkisi
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GEDİKLİ, Ömer, ŞAHİN, Mürsel, DEMİRMAN, Ayşim, KARTALER, Fatih, OZAN, Yusuf Demir, KAYA, Armağan, KAYA, Ali Nail, TURAN, Oğuzhan Ekrem, GÖKÇE, Mustafa, and KUTLU, Merih
- Abstract
Amaç: Kalp yetersizliği olan hastalarda kronik total oklüzyon varlığının mortalite artışı ile ilişkisi gösterilmiştir. Bu çalışmadaki amaç, intra kardiyak defibrilatörü bulunan iskemik kardiyomiyopatili hastalarda kronik total oklüzyon varlığının uzun dönem prognoz üzerine etkisini değerlendirmektir. Gereç ve Yötem: Birincil veya ikincil koruma amaçlı kardiyoverter defibrilatörü implante edilmiş 218 hastadan, iskemik kardiyomiyopatisi bulunan toplam 74 hasta çalışmaya alındı. Hastalar herhangi bir veya daha fazla koroner arterinde kronik total oklüzyon bulunanlar (n=32) ve bulunmayanlar (n=42) olmak üzere iki ana gruba, kronik total oklüzyon bulunan hastalar da miyokardiyal canlılığı olanlar (n=12) ve olmayanlar (n=20) olmak üzere alt gruplara ayrıldılar. Bulgular: 74 intrakardiyak defibrilatörü olan iskemik kardiyomiyopatili hastanın 32’sinde (%43,2) kronik total oklüzyon tespit edildi. Ortalama takip süresi olan 3,6 yılda tüm sebeplere bağlı 19 (%25,7) ölüm görüldü. Mortalite izlenen hastalarda ortalama yaş (p
- Published
- 2020
13. Left Ventricular Dyssynchrony and Its Effects on Cardiac Function in Patients with Newly Diagnosed Hypertension
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Krş, Abdulkadir, Karaman, Kayhan, Krş, Gülhanm, Şahin, Mürsel, Durmuş, İsmet, Kaplan, Şahin, Örem, Asm, Kutlu, Merih, and Ayar, Ahmet
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- 2012
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14. Patients with Ankylosing Spondylitis Have Evidence of Left Ventricular Asynchrony
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Krş, Abdulkadir, Karkucak, Murat, Karaman, Kayhan, Krş, Gülhanm, Çapkn, Erhan, Gökmen, Ferhat, Kutlu, Merih, Çelik, Şükrü, and Ayar, Ahmet
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- 2012
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15. The Assessment of Left Ventricular Systolic Asynchrony in Patients with Primary Hyperparathyroidism
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Krş, Abdulkadir, Erem, Cihangir, Krş, Gülhanm, Nuhoğlu, rfan, Karaman, Kayhan, Civan, Nadim, Örem, Cihan, Durmuş, smet, and Kutlu, Merih
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- 2011
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16. Predicting Chronic Absenteeism Using Educational Data Mining Methods
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Kutlu Merih, Fatma Çınar, Şebnem Özdemir, and C. Coşkun Küçüközmen
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R language ,Actuarial science ,Risk groups ,Computer science ,Process (engineering) ,Absenteeism ,Flexibility (personality) ,Decision rule ,Educational data mining ,Random forest - Abstract
The rate of chronic absenteeism is important in assessing the validity of current educational practices conditions. Every student who exhibits this behavior faces the risk of failing to progress to higher level of education and/or dropping out/leaving the school. Students in this risk group represent not only a problem from an educational standpoint but also a potential and multifaceted problem with respect to participation in the economy, the development of a skilled labor force, and the ability to become well integrated into society. In the literature for Turkey, the framework of this problem was constructed using statistical methods, and it is important to analyze this problem in greater depth. The main objective of this study is therefore to employ educational data mining methods to predict cases of chronic absenteeism at high school level. The data, compiled from 2,495 students from different districts of Istanbul, was prepared for data mining operations based on the CRISP-EDM steps. The analysis process was conducted using R language and R language packages due to their flexibility and strength. The study results revealed that the random forest algorithm is able to establish a more successful model, while the C4.5 algorithm more accurately describes the problem in terms of decision rules.
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- 2018
17. Prognostic Value of Red Cell Distribution width and Echocardiographic Parameters in Patients with Pulmonary Embolism
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Pehlivanlar Küçük, Mehtap, primary, Öztuna, Funda, additional, Abul, Yasin, additional, Özsu, Savaş, additional, Kutlu, Merih, additional, and Özlü, Tevfik, additional
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- 2019
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18. Relationship Between Epicardial Fat Thickness and Cardioversion Success in Patients with Atrial Fibrillation / Atriyal Fibrilasyon Hastalarında Epikardiyal Yağ Kalınlığı ile Kardiyoversiyon Başarısı Arasındaki İlişki
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Özer, Savaş, primary, Şahin, Mürsel, additional, and Kutlu, Merih, additional
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- 2019
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19. Assessment of relationship between contrast-induced nephropathy and left ventricular myocardial performance index in patients at risk for nephropathy
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Ozturk, Mustafa, primary, Turan, Oguzhan, additional, Sahin, Mursel, additional, and Kutlu, Merih, additional
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- 2019
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20. Evaluation of demographic and clinical characteristics of female patients presenting with MINOCA.
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Kutlu, Merih
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- 2022
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21. Assessment of total cardiac repolarization's spatial distribution among patients with aortic sclerosis
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Turan, Oguzhan Ekrem, Ozturk, Mustafa, Ilter, Abdulselam, Inc, Mustafa, Karaman, Kayihan, Kiris, Gulhanim, Kutlu, Merih, and Zonguldak Bülent Ecevit Üniversitesi
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Aortic sclerosis ,Original Article ,cardiac repolarization - Abstract
WOS: 000355307300113, PubMed: 26064308, Objective: To measure the Tp-e value, which shows the spatial distribution of cardiac repolarization and is defined as a possible predictor for ventricular arrhythmia among patients with aortic sclerosis (AS), and to compare this parameter's length to QTc length within the same population. Method: 60 patients that have been diagnosed with AS have been prospectively included in this study. Results: 60 AS and 64 control patients were evaluated as part of the study. The median age, prevalence for hypertension and diabetes, baseline medications and laboratory results of the groups were similar. The Electrocardiographic QT length of both groups were found similar. In the AS group Tp-e tangent and Tp-e tail values were more longer than control group (P < 0.001). Tp-e tangent index and Tp-e tail index values were also statistically higher among AS patients when compared to the control group. (P < 0.001). Conclusion: Our study showed that Tp-e durations had increased in AS patients with no structural coronary heart disease. AS causes local degeneration on the aortic root and also has a negative effect on the total cardiac spatial repolarization.
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- 2015
22. Türkiye'de kalp yetersizliğinin anlık görüntüsü: SELFIE-TR bazal karakteristik özellikleri.
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Yılmaz, Mehmet Birhan, Çelik, Ahmet, Çavuşoğlu, Yüksel, Bekar, Lütfü, Onrat, Ersel, Eren, Mehmet, Kutlu, Merih, Yalta, Kenan, Temizhan, Ahmet, Kılıçaslan, Barış, Güngör, Hasan, Açıkel, Mahmut, Demir, Mesut, Akdemir, Ramazan, Zoghi, Mehdi, and Tokgozoglu, Lale
- Abstract
Copyright of Archives of the Turkish Society of Cardiology / Türk Kardiyoloji Derneği Arşivi is the property of KARE Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
- View/download PDF
23. Prognostic value of red cell distribution width and echocardiographic parameters in patients with pulmonary embolism.
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Küçük, Mehtap Pehlivanlar, Öztuna, Funda, Abul, Yasin, Özsu, Savaş, Kutlu, Merih, and Özlü, Tevfik
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- 2019
- Full Text
- View/download PDF
24. OP-027 A Comparison of the Long-Term Clinical Outcomes of First- and Second-Generation Drug-Eluting Stents in Saphenous Vein Graft Lesions
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Kaplan, Şahin, primary, Kaplan, Safiye Tuba, additional, Şahin, Mürsel, additional, Erdoğan, Ercan, additional, Gedikli, Ömer, additional, Hoşoğlu, Yusuf, additional, Kutlu, Merih, additional, Gökçe, Mustafa, additional, Göktekin, Ömer, additional, and Hemşinli, Doğuş, additional
- Published
- 2016
- Full Text
- View/download PDF
25. Relationship between epicardial fat tissue and left ventricular synchronicity: An observational study
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Kiris, Abdulkadir, primary, Kiris, Gulhanim, additional, Turan, Oguzhan Ekrem, additional, Ozturk, Mustafa, additional, Sahin, Mursel, additional, Ilter, Abdulselam, additional, Bektas, Osman, additional, Kutlu, Merih, additional, Kaplan, Sahin, additional, and Gedikli, Omer, additional
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- 2015
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26. Practical approaches for the treatment of chronic heart failure: Frequently asked questions, overlooked points and controversial issues in current clinical practice
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Cavusoglu, Yuksel, primary, Altay, Hakan, additional, Ekmekci, Ahmet, additional, Eren, Mehmet, additional, Kucukoglu, Mehmet Serdar, additional, Nalbantgil, Sanem, additional, Sari, Ibrahim, additional, Selcuk, Timur, additional, Temizhan, Ahmet, additional, Ural, Dilek, additional, Weinstein, Jean Marc, additional, Yesilbursa, Dilek, additional, Yilmaz, Mehmet Birhan, additional, Zoghi, Mehdi, additional, Aydogdu, Sinan, additional, Kutlu, Merih, additional, Ozer, Necla, additional, Sahin, Mahmut, additional, and Tokgozoglu, Lale, additional
- Published
- 2015
- Full Text
- View/download PDF
27. The relationship between epicardial fat tissue thickness and frequent ventricular premature beats
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Kırış, Abdulkadir, primary, Turan, Oğuzhan Ekrem, additional, Kırış, Gülhanım, additional, İlter, Abdulselam, additional, Öztürk, Mustafa, additional, Aydın, Mesut, additional, Kaplan, Şahin, additional, Kutlu, Merih, additional, and Gedikli, Ömer, additional
- Published
- 2015
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- View/download PDF
28. Yaşlı kardiyovasküler hastalarda sık görülen komorbiteler.
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Şahin, Mürsel and Kutlu, Merih
- Abstract
Copyright of Archives of the Turkish Society of Cardiology / Türk Kardiyoloji Derneği Arşivi is the property of KARE Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2017
- Full Text
- View/download PDF
29. Relation between serum sodium levels and clinical outcomes in Turkish patients hospitalized for heart failure: a multi-center retrospective observational study.
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Avcı, Burçak Kılıçkıran, Küçük, Murathan, Müderrisoğlu, Haldun, Eren, Mehmet, Kutlu, Merih, Yılmaz, Mehmet Birhan, Çavuşoğlu, Yüksel, and Öngen, Zeki
- Subjects
HEART failure patients ,HYPONATREMIA ,BLOOD serum analysis ,SODIUM in the body ,HEALTH outcome assessment ,HOSPITAL patients - Abstract
Objective: The purpose of the study was to analyze the prevalence of hyponatremia and related 1-year outcomes of patients hospitalized for decompensated heart failure with reduced ejection fraction (HFrEF) in Turkish patients. Methods: A total of 500 hospitalized patients with HFrEF were consecutively included in a retrospective study at 19 participating hospitals. Patients were categorized according to their serum sodium levels (sNa) on admission day as normonatremic (135-145 mEq/L) and hyponatremic (<135 mEq/L). One-year all-cause mortality, re-hospitalization rates, and the impact of the changes in sNa at the time of discharge to clinical outcomes were examined. Results: Hyponatremia was observed in 29% of patients. Patients with hyponatremia had lower blood pressures, creatinine clearance, and left ventricular ejection fraction and higher serum creatinine and BUN levels on admission compared with those with normonatremia. Hyponatremia was associated with higher 1-year all-cause mortality (14% vs. 2.6%, p<0.001) and re-hospitalization rates (46.9% vs. 33.7%, p=0.005). After adjustment for covariates, hyponatremia was independently associated with 1-year all-cause mortality (adjusted HR, 4.762; 95% CI, 1.941-11.764; p=0.001). At discharge, only 50.8% of hyponatremic patients were corrected to normonatremia (=135 mEq/L). Those with persistent hyponatremia had the highest all-cause mortality (p<0.001). Conclusion: In this study, it is demonstrated that hyponatremia is relatively common and is associated with increased 1-year all-cause mortality and re-hospitalization rates among Turkish patients hospitalized with HFrEF. Approximately 50% of the patients with initial low sNa had persistent hyponatremia at discharge, and these patients had the worst clinical outcomes. [ABSTRACT FROM AUTHOR]
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- 2017
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- View/download PDF
30. Is There a Relationship Between the Arterial Stiffness and Effectiveness of Acetylsalicylic Acid in Patients with Stable Coronary Artery Disease?
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Gedikli, Ömer, primary, Şahin, Sinan, additional, Karahan, Caner, additional, and Kutlu, Merih, additional
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- 2013
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31. Futbol yönetimi
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Akşar, Tuğrul, Kutlu Merih, genel yayın yönetmeni : Kenan Kocatürk, Akşar, Tuğrul, Kutlu Merih, and genel yayın yönetmeni : Kenan Kocatürk
- Published
- 2008
32. Mitral Annular Calcification Is Associated with Pulse Wave Velocity but Not with Augmentation Index
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Durmus, Ismet, primary, Karaman, Kayihan, additional, Öztürk, Serkan, additional, and Kutlu, Merih, additional
- Published
- 2013
- Full Text
- View/download PDF
33. Relationship between epicardial fat tissue and left ventricular synchronicity: An observational study.
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Kırış, Abdulkadir, Kırış, Gülhanım, Turan, Oğuzhan Ekrem, Öztürk, Mustafa, Şahin, Mürsel, İlter, Abdulselam, Bektaş, Osman, Kutlu, Merih, Kaplan, Şahin, and Gedikli, Ömer
- Subjects
CARDIOVASCULAR agents ,HEART failure treatment ,HEART failure ,TUMOR necrosis factors ,DOPPLER echocardiography ,DIAGNOSIS ,THERAPEUTICS - Abstract
Objective: Left ventricular (LV) systolic synchrony is defined as simultaneous activation of corresponding cardiac segments. Impaired synchrony has some adverse cardiovascular effects, such as LV dysfunction and impaired prognosis. Epicardial fat tissue (EFT) is visceral fat around the heart. Increased EFT thickness is associated with some disorders, such as LV dysfunction and hypertrophy, which play a role in the impairment of LV synchrony. However, the relationship between EFT and LV systolic synchrony has never been assessed. Thus, we aimed to evaluate the possible relationship between EFT and LV synchrony in this study. Methods: The study population consisted of 55 consecutive patients (mean age 46.4±13.4 years, 32 female) without bundle branch block (BBB). EFT and LV systolic synchrony were evaluated by transthoracic echocardiography using 2D and tissue Doppler imaging. Maximal difference (Ts-6) and standard deviation (Ts-SD-6) of time to peak systolic (Ts) myocardial tissue velocity obtained from 6 LV basal segments were used to assess LV synchrony. Multiple regression analysis was used to detect the independently related factors to LV synchrony. Results: The mean values of EFT thickness, Ts-6, and Ts-SD-6 were found to be 2.7±1.6 mm (ranging from 1-7 mm), 20.1±14.2 msec, and 7.7±5.6, respectively. EFT thickness also was independently associated with Ts-6 (β=0.332, p=0.01) and Ts-SD-6 (β=0.286, p=0.04). Conclusion: EFT thickness is associated with LV systolic synchrony in patients without BBB. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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- View/download PDF
34. Left ventricular synchronicity is impaired in patients with active acromegaly
- Author
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Kırış, Abdulkadir, primary, Erem, Cihangir, additional, Turan, Oğuzhan Ekrem, additional, Civan, Nadim, additional, Kırış, Gülhanım, additional, Nuhoğlu, İrfan, additional, İlter, Abdulselam, additional, Ersöz, Halil Önder, additional, and Kutlu, Merih, additional
- Published
- 2012
- Full Text
- View/download PDF
35. Relationship between cardiac troponin-T and right ventricular Tei index in patients with hemodynamically stable pulmonary embolism: an observational study
- Author
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Ozsu, Savas, primary, Kiris, Abdulkadir, additional, Bulbul, Yilmaz, additional, Oztuna, Funda, additional, Karaman, Kayıhan, additional, Kutlu, Merih, additional, and Ozlu, Tevfik, additional
- Published
- 2012
- Full Text
- View/download PDF
36. Left Ventricular Dyssynchrony and Its Effects on Cardiac Function in Patients with Newly Diagnosed Hypertension
- Author
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Kırış, Abdulkadir, primary, Karaman, Kayıhan, additional, Kırış, Gülhanım, additional, Şahin, Mürsel, additional, Durmuş, İsmet, additional, Kaplan, Şahin, additional, Örem, Asım, additional, Kutlu, Merih, additional, and Ayar, Ahmet, additional
- Published
- 2012
- Full Text
- View/download PDF
37. Effect Of Nasal Continuous Positive Airway Pressure On Global Right Ventricular Myocardial Performance In Patients With Obstructive Sleep Apnea Syndrome
- Author
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Oztuna, Funda, primary, Gozacan, Hatice, additional, Kiris, Gulhanım, additional, Esen, Tuba, additional, Karaman, Kayıhan, additional, Karahan, Caner, additional, Ozsu, Savas, additional, Ozlu, Tevfik, additional, and Kutlu, Merih, additional
- Published
- 2012
- Full Text
- View/download PDF
38. Patients with Ankylosing Spondylitis Have Evidence of Left Ventricular Asynchrony
- Author
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Kırış, Abdulkadir, primary, Karkucak, Murat, additional, Karaman, Kayıhan, additional, Kırış, Gülhanım, additional, Çapkın, Erhan, additional, Gökmen, Ferhat, additional, Kutlu, Merih, additional, Çelik, Şükrü, additional, and Ayar, Ahmet, additional
- Published
- 2012
- Full Text
- View/download PDF
39. The Assessment of Left Ventricular Systolic Asynchrony in Patients with Primary Hyperparathyroidism
- Author
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Kırış, Abdulkadir, primary, Erem, Cihangir, additional, Kırış, Gülhanım, additional, Nuhoğlu, İrfan, additional, Karaman, Kayıhan, additional, Civan, Nadim, additional, Örem, Cihan, additional, Durmuş, İsmet, additional, and Kutlu, Merih, additional
- Published
- 2011
- Full Text
- View/download PDF
40. The relationship between epicardial fat tissue thickness and frequent ventricular premature beats.
- Author
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Kiriş, Abdulkadir, Turan, Og¢uzhan Ekrem, Kiriş, Gülhanim, İlter, Abdulselam, Öztürk, Mustafa, Aydin, Mesut, Kaplan, Şahin, Kutlu, Merih, and Gedikli, Ömer
- Published
- 2015
- Full Text
- View/download PDF
41. Effect of nasal continuous positive airway pressure on global right ventricular myocardial performance in patients with obstructive sleep apnea syndrome.
- Author
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ÖZTUNA, Funda, GÖZAÇAN, Hatice, KIRIŞ, Gülhanım, ESEN, Tuba, KARAMAN, Kayıhan, KARAHAN, Süleyman Caner, ÖZSU, Savaş, ÖZLÜ, Tevfik, and KUTLU, Merih
- Subjects
SLEEP apnea syndromes ,NATRIURETIC peptides ,ALBUMINS ,ISCHEMIA ,POLYSOMNOGRAPHY ,RIGHT heart ventricle ,CONTROL groups - Abstract
Aim: The myocardial performance index (Tei index), plasma N-terminal pro B-type natriuretic peptide (NT-proBNP), and ischemia-modified albumin (IMA) were used to investigate the effect of obstructive sleep apnea syndrome (OSAS) on right ventricular function. Materials and methods: Twenty-three patients diagnosed with OSAS (moderate or severe AHI > 15) by polysomnography at Karadeniz Technical University Medical Faculty Chest Disease Clinic between September 2009 and September 2010 were included. The Tei index, Nt-proBNP, and IMA were measured in all patients before CPAP treatment and 3 months after the diagnosis. Results: Patients with OSAS had statistically significantly higher right ventricular Tei indices than the control group (P < 0.05). There was no significant difference between the groups in terms of NT-proBNP or IMA values. The systolic blood pressure of the patient group was significantly lower (P < 0.05) after CPAP treatment, but there was no difference in the Tei index, NT-proBNP, or IMA values. Conclusion: We conclude that plasma NT-proBNP and IMA levels are not effective as the Tei index for showing myocardial damage in patients with OSAS, and that these parameters are inadequate to show the effect of CPAP treatment on right ventricular myocardial function. [ABSTRACT FROM AUTHOR]
- Published
- 2013
- Full Text
- View/download PDF
42. Relationship between cardiac troponin-T and right ventricular Tei index in patients with hemodynamically stable pulmonary embolism: an observational study.
- Author
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Özsu, Savaş, Kırış, Abdülkadir, Bülbül, Yılmaz, Öztuna, Funda, Karaman, Kayihan, Kutlu, Merih, Özlü, Tevfik, and Karaman, Kayıhan
- Subjects
TROPONIN ,HEART ventricles ,HEMODYNAMICS ,PULMONARY embolism ,SCIENTIFIC observation ,ECHOCARDIOGRAPHY ,REGRESSION analysis ,HEART ventricle diseases ,DIAGNOSTIC imaging ,DOPPLER echocardiography ,RIGHT heart ventricle ,LONGITUDINAL method ,COMPUTERS in medicine - Abstract
Copyright of Anatolian Journal of Cardiology / Anadolu Kardiyoloji Dergisi is the property of KARE Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2012
- Full Text
- View/download PDF
43. Soru 48- Statin kullanan hastada KCFT yükselmesini ne zaman önemseyelim? Normalin üst sınırının 3 katına kadar yükselmesini bekleyelim mi?
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Kutlu, Merih
- Published
- 2016
- Full Text
- View/download PDF
44. Evaluating the relation between epicardial fat thickness and cardioversion success of atrial fibrillation patients
- Author
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Özer, Savaş, Kutlu, Merih, and Kardiyoloji Anabilim Dalı
- Subjects
Kardiyoloji ,Heart diseases ,Cardiology ,Epicardial fat tissue ,Electric countershock ,Atrial fibrillation - Abstract
ÖZETAtriyal Fibrilasyon Tanısı ile Kardiyoversiyon Yapılan Hastalarda Kardiyoversiyon Başarısı ile Epikardiyal Yağ Kalınlığı Arasındaki İlişki Amaç: Bu çalışmanın amacı atriyal fibrilasyon (AF) nedeni ile kardiyoversiyon (KV) yapılan hastalarda KV başarısı ile epikardiyal yağ kalınlığı (EYK) arasındaki ilişkiyi değerlendirmektir.Yöntem: Çalışmada AF nedeniyle KV yapılan 203 hasta değerlendirildi. Çeşitli nedenlerden dolayı 103 hasta çalışma dışı bırakıldıktan sonra, kalan 100 hasta ile çalışmaya devam edildi. Hastalar KV sonrası sinüs ritmine dönenler (Grup 1) ve dönmeyenler (Grup 2) olmak üzere 2 gruba ayrıldı. Çalışma popülasyonunun demografik özellikleri, standart 2 boyutlu Doppler ve doku Doppler ekokardiyografi bulguları kaydedildi. AF tanısıyla KV yapılan hastalarda EYK ile KV işlem başarısı arasındaki ilişki istatiksel analiz ile değerlendirildi.Bulgular: Grup 1'de 94 hasta (ortalama yaş 59,5±14,1) ve grup 2'de 6 hasta (ortalama yaş 59±8,7) mevcuttu. İki grup arasında demografik özellikler açısından fark yoktu. Temel ekokardiyografik parametrelerden sol atriyum çapı, sol ventrikül çapları, septum kalınlığı, ejeksiyon fraksiyonu, sol ventrikül kitle indeksi iki grupta benzerdi. EYK açısından 2 grup arasında anlamlı fark mevcuttu (p=0,002). Sonuç: AF nedeniyle KV yapılan hastalarda EYK'da artış, KV işlem başarısındaki azalmayla ilişkili bulundu.Anahtar kelimeler: Epikardiyal yağ kalınlığı, atriyal fibrilasyon SUMMARYEvaluating The Relation Between Epicardial Fat Thickness And Cardioversion Success of Atrial Fibrillation Patients.Aim: We aimed to evaluate the relation between epicardial fat thickness and cardioversion (CV) success of atrial fibrillation (AF) patients.Methods: In this study 203 AF patients threated with CV evaluated. After excluding 103 patients for several reasons, study proceeded with the rest 100 patients. After CV. In patients with successfuly converted to sinüs rhythm (group 1) and in patients with failed to converting to sinüs rhythm (group 2). Demographic characteristics of study population, standard 2 dimensional Doppler and tissue Doppler echocardiographic findings recorded. Relation between epicardial fat thickness and CV success evaluated with statistical analysis.Results: There were 94 patients (average age 59,5±14,1) in group 1 and 6 patients (average age 59±8,7) in group 2. Both groups had similar demographic features. Basic echocardiographic paramethers like left atrial diameter, left ventricular diameter, septal thickness, ejection fraction, and left ventricular mass index were also similar between two groups. Epicardial fat thickness was significantly different between the two groups (p=0,002).Conclusions: Increased epicardial fat thickness found to be related with reduced CV success rates of AF patients.Keywords Epicardial fat, atrial fibrillation 57
- Published
- 2017
45. Relation between serum sodium levels and clinical outcomes in Turkish patients hospitalized for heart failure: a multi-center retrospective observational study
- Author
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Merih Kutlu, Mehmet Eren, Haldun Muderrisoglu, Mehmet Yilmaz, Zeki Öngen, Yuksel Cavusoglu, Murathan Küçük, Burçak Kılıçkıran Avcı, Sivas Cumhuriyet Üniversitesi, [Avci, Burcak Kilickiran -- Ongen, Zeki] Istanbul Univ, Cerrahpasa Fac Med, Dept Cardiol, Istanbul, Turkey -- [Kucuk, Murathan] Akdeniz Univ, Fac Med, Dept Cardiol, Antalya, Turkey -- [Muderrisoglu, Haldun] Baskent Univ, Fac Med, Dept Cardiol, Ankara, Turkey -- [Eren, Mehmet] Dr Siyami Ersek Cardiovasc & Thorac Surg Res & Tr, Dept Cardiol, Istanbul, Turkey -- [Kutlu, Merih] Karadeniz Tech Univ, Fac Med, Dept Cardiol, Trabzon, Turkey -- [Yilmaz, Mehmet Birhan] Cumhuriyet Univ, Fac Med, Dept Cardiol, Sivas, Turkey -- [Cavusoglu, Yuksel] Eskisehir Osmangazi Univ, Fac Med, Dept Cardiol, Eskisehir, Turkey, YILMAZ, Mehmet Birhan -- 0000-0002-8169-8628, Kucuk, Murathan -- 0000-0003-0320-2890, YILMAZ, MEHMET BIRHAN -- 0000-0002-8169-8628, and Kilickiran Avci, Burcak -- 0000-0001-9285-0608
- Subjects
Adult ,Male ,rehospitalization ,medicine.medical_specialty ,Adolescent ,Turkey ,hyponatremia ,Kalp ve Kalp Damar Sistemi ,heart failure ,Renal function ,Heart failure ,030204 cardiovascular system & hematology ,Young Adult ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Internal medicine ,medicine ,Humans ,030212 general & internal medicine ,Mortality ,Survival analysis ,Aged ,Retrospective Studies ,Original Investigation ,Aged, 80 and over ,Creatinine ,Ejection fraction ,business.industry ,Sodium ,nutritional and metabolic diseases ,Stroke Volume ,Retrospective cohort study ,Stroke volume ,Middle Aged ,medicine.disease ,Survival Analysis ,mortality ,Hospitalization ,chemistry ,Cardiology ,Female ,Cardiology and Cardiovascular Medicine ,Hyponatremia ,business ,Rehospitalization - Abstract
WOS: 000393892600003, PubMed ID: 27488755, Objective: The purpose of the study was to analyze the prevalence of hyponatremia and related 1-year outcomes of patients hospitalized for decompensated heart failure with reduced ejection fraction (HFrEF) in Turkish patients. Methods: A total of 500 hospitalized patients with HFrEF were consecutively included in a retrospective study at 19 participating hospitals. Patients were categorized according to their serum sodium levels (sNa) on admission day as normonatremic (135-145 mEq/L) and hyponatremic (< 135 mEq/L). One-year all-cause mortality, re-hospitalization rates, and the impact of the changes in sNa at the time of discharge to clinical outcomes were examined. Results: Hyponatremia was observed in 29% of patients. Patients with hyponatremia had lower blood pressures, creatinine clearance, and left ventricular ejection fraction and higher serum creatinine and BUN levels on admission compared with those with normonatremia. Hyponatremia was associated with higher 1-year all-cause mortality (14% vs. 2.6%, p< 0.001) and re-hospitalization rates (46.9% vs. 33.7%, p=0.005). After adjustment for covariates, hyponatremia was independently associated with 1-year all-cause mortality (adjusted HR, 4.762; 95% CI, 1.941-11.764; p= 0.001). At discharge, only 50.8% of hyponatremic patients were corrected to normonatremia (>= 135 mEq/L). Those with persistent hyponatremia had the highest all-cause mortality (p< 0.001). Conclusion: In this study, it is demonstrated that hyponatremia is relatively common and is associated with increased 1-year all-cause mortality and re-hospitalization rates among Turkish patients hospitalized with HFrEF. Approximately 50% of the patients with initial low sNa had persistent hyponatremia at discharge, and these patients had the worst clinical outcomes., Abdi Ibrahim Otsuka, This study was supported by Abdi Ibrahim Otsuka. All aspects of the study design, data collection, analysis, and manuscript preparation were performed by the authors. The sponsor did not have access to the data but did review the manuscript before submission. All decisions regarding the final form of the manuscript were entirely at the discretion of the authors, who take full responsibility for its content.
- Published
- 2017
46. Merkezimizde transkateter aort kapak implantasyonu yapılan hastalarda erken ve geç dönem sonuçlar
- Author
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Hoşoğlu, Ayşe, Kutlu, Merih, and Kardiyoloji Anabilim Dalı
- Subjects
Kardiyoloji ,Aortic valve insufficiency ,Prostheses and implants ,Echocardiography ,Cardiology ,Aortic valve ,Aorta ,Catheterization - Abstract
Amaç: Bu çalışmada merkezimizde transkateter aortik kapak implantasyonu (TAVİ) uygulanan hastaların erken ve geç dönem klinik ve ekokardiyografik takip sonuçları değerlendirildi.Yöntem: 2012-2013 yılları arasında kliniğimizde ciddi aort darlığı (AD) nedeni ile TAVİ uygulanan 16 hastanın erken ve geç dönem sonuçları değerlendirildi. Tüm hastalara transfemoral yaklaşım ile CoreValve biyoprotez kapak yerleştirildi ve hastalar 16,2±14,7 ay takip edildi.Bulgular: Hastaların (8'i kadın, ortalama yaş 77.1±7.7) işlem öncesi ortalama aortik kapak alanı (AVA) 0.7±0.2 cm2, ortalama aortik kapak gradiyenti (MnG) 55.6±19.7 mmHg, fonksiyonel sınıfı New York Kalp Cemiyeti (NYHA)'ne göre 2.9±0.2 iken, TAVİ işlemini takiben AVA, MnG ve fonksiyonel sınıflamalarında anlamlı düzelme görüldü. İşlem başarısı %87.5 olup, hastalara ortalama 1.3±0.6 kapak implante edildi. 1 hastada kapak implantasyonu sonrası hemodinamiyi bozan ileri paravalvüler AY geliştiği için cerrahi aort kapak replasmanı yapıldı. İşlemde 1 hastada AV tam blok, 1 hastada koroner obstrüksiyona bağlı ventriküler taşikardi; işlem sonrası erken dönemde ise 1 hastada geçici iskemik atak, 2 hastada minör kanama gelişti. 1 hasta işlemde gelişen kalp tamponadı nedeniyle, 1 hasta işlem sonrası 33. gün enfeksiyon ve disssemine intravasküler koagülopati nedeniyle, 2 hasta da 7. ve 15. aylarda kalp dışı nedenlerden hayatını kaybetti. İşlemin 3 yıllık yaşam süresi %75 bulundu.Sonuç: Cerrahi riski yüksek veya opere edilemeyecek olan semptomatik AD hastalarında, cerrahiye alternatif bir tedavi yöntemi olarak klinik pratiğe girmiş olan TAVİ işlemi, erken ve geç dönem sonuçları itibariyle başarılı ve güvenilir bir yöntemdir. Background:The early and late term results of who underwent transcatheter aortic valve implantation (TAVI) in our center were evaluated in this study.Methods: The early and late term results of 16 patients with severe aortic stenosis who underwent the TAVI procedure in our clinic between 2012 and 2013 years were evaluated. All of our patients were implanted with CoreValve bioprosthetic valves through the transfemoral approach and followed-up for 16.2±14.7 months.Results: Before the procedure, the mean aortic valve area (AVA) was 0.7±0.2cm2, the mean valvular gradients (MnG) were 55.6±19.7 mmHg and the mean functional class was 2.9±0.2. Following the TAVI procedure the AVA, MnG ve functional class were improved, significantly. The technical success rate was %87.5, and mean 1.3±0.6 valves was implanted in all patients. Surgical AVR was required for 1 patient because of severe paravalvular leakage. At the procedure, in 1 patient third degree atrioventricular (AV) block and in 1 patient coronary occlusion were developped. The patient with third degree AV block was required permanent pacemaker. In the early term after TAVI in 1 patient transient ischemic attack and in 2 patients minors hemoragy were developped. 1 patient was dead of cardiac tamponade in the procedure, 1 patient was dead from infections and dissemine intravascular coagulopathy postoperative 33th days and 2 patients were dead of noncardiac reasons on the 7th and 15th months, respectively. In this study 3 years survi of TAVI procedure was %75.Conclusion: In the patients with high surgery risk or inoperable aortic stenosis, TAVI is a rather safe and successful method in the early and late terms as an alternative therapy to surgery. 70
- Published
- 2016
47. Riskli hastalarda kontrast madde nefropatisi ve sol ventrikül tei indeksi arasındaki ilişkinin değerlendirilmesi
- Author
-
Öztürk, Mustafa, Kutlu, Merih, and Kardiyoloji Anabilim Dalı
- Subjects
Kardiyoloji ,Ventricular function-left ,Echocardiography ,Contrast media ,Coronary angiography ,Cardiology ,Kidney failure-chronic ,Nephrotoxicity - Abstract
Amaç:Koroner anjiografi yapılan riskli hastalarda Tei indeksi ile değerlendirilen sol ventrikül fonksiyonlarının kontrast madde nefropatisi gelişimi üzerine etkisinin incelenmesi.Yöntem:Çalışmamıza, koroner anjiografi ve/veya perkutan koroner girişim uygulanan 51 hasta alındı.Hastalar kontrast madde nefropatisi gelişen ve gelişmeyenler olarak iki gruba ayrıldı: Grup 1 (13 hasta, ortalama yaş: 62.5±6.8 yıl) ve grup 2 (38 hasta, ortalama yaş: 62.4±9.6 yıl). Kontrast madde maruziyetinden 48-72 saat sonra,bazal kreatinin değerine göre %25 ve/veya 0.5 mg/dl artış kontrast madde nefropatisi olarak değerlendirildi.Tüm hastalara anjiografi öncesi konvansiyonel ve doku Doppler ekokardiyografi yapıldı. Doku Doppler ekokardiyografi verilerinden Tei indeksi hesaplandı.Bulgular:Her iki grup arasında cinsiyet dışındaki demografik özellikler açısından fark yoktu.Sol ventrikül sistolik (EF,Sm) ve diyastolik fonksiyonlarını (E/A,Em/Am,DT) gösteren ekokardiyografik parametreler her iki grupta benzerdi.Doku Doppler kaynaklı Tei indeksi değerleri açısından iki grup arasında anlamlı fark yoktu(sırasıyla; 0.42±0.09 ve 0.46±0.12, p=0.25).Sonuç: Kontrast madde nefropatisi açısından riskli ve EF'si korunmuş hastalarda Tei indeksi nefropati gelişim riskini öngörmede yetersizdir. Aim:To investigate the effect of left ventricul function assessed by Tei index on development of contrast media nephropathy in patients at risk undergoing coronary anjiography.Methods:We included fifty-one patients in our study who were performed coronary angiography and/or percutaneous coronary intervention. Patients divided into two groups as contrast media nephropathy developed or not. Group 1 (n =13, mean age: 62.5 ± 6.8 years) and group 2(n=38, mean age: 62.4±9.6 years). Contrast media nephropathy defined as %25 and/or 0.5 mg/dl increase in basal serum creatinin levels after 48-72 hours exposure to contrast media. Conventional and tissue Doppler echocardiography was performed in all patients prior to angiography.Tei index was calculated from tissue Doppler echocardiography datas.Results:Except gender, there is no difference in demographic characteristics between study groups.Left ventricular systolic ( EF,Sm) and diastolic function (E/A,Em/Am,DT) parameters are similar in groups. Tissue Doppler-derived Tei index values did not differ significantly between the two groups (respectively, 0.42 ± 0.09 and 0.46 ± 0.12,p = 0.25).Conclusion:The Tei index is inadequate for predicting the risk of developing nephropathy in patients at risk of contrast media nephropathy with preserved ejection fraction. 46
- Published
- 2012
48. Investigation of arterial stiffness in mitral annular calcification
- Author
-
Karaman, Kayihan, Kutlu, Merih, and Kardiyoloji Anabilim Dalı
- Subjects
Kardiyoloji ,Coronary disease ,Coronary vessels ,cardiovascular system ,Cardiology ,Mitral valve ,cardiovascular diseases ,Arterial occlusive diseases ,Atherosclerosis ,Calcification - Abstract
Amaç: Belirgin koroner arter hastalığı olmayanlarda subklinik aterosklerozun göstergesi olan mitral anüler kalsifikasyon ile arteryal stifnes arasındaki ilişkiyi inceledik.Yöntem: Çalışmaya kardiyoloji polikliniğine başvuran ve ekokardiyografi tetkiki yapılan, çalışma kriterlerine uygun 42 mitral anüler kalsifikasyonlu hasta ile mitral anüler kalsifikasyonu olmayan 41 kontrol grubu hastası alındı. Ekokardiyografide mitral anüler kalsifikasyon tespit edilen hastalarda arteryal stifnes değerlendirildi.Bulgular: Her iki grup arasında yaş, cinsiyet, sigara, hipertansiyon ve diyabetes mellitus varlığı, obezite, kalp hızı, diyastolik kan basıncı, lipid paneli (düşük yoğunluklu lipoprotein- kolesterol, yüksek yoğunluklu lipoprotein- kolesterol, trigliserit, total kolesterol) ve ilaç kullanımı açısından anlamlı fark bulunmadı. Ancak arteryal manşon ile ölçülen sistolik kan basıncı ve nabız basıncı değeri mitral anüler kalsifikasyonlu hastalarda anlamlı olarak daha fazla bulundu (sırasıyla p= 0,02; p= 0,003). Mitral anüler kalsifikasyon olan hasta grubu ve kontrol grubunda ortalama nabız dalga hızı (PWV) değerleri sırasıyla 12,2 ± 2,3 m/sn ve 10,1 ± 1,3 m/sn idi (p
- Published
- 2010
49. Bilgisayar destekli üretim ve orman ürünleri sanayiinde uygulanması
- Author
-
Koç, K.Hüseyin, Kutlu, Merih, and Diğer
- Subjects
Computer aided manufacturing ,Computer aided design ,İşletme ,Furniture industry ,Forest products industry ,Business Administration - Abstract
ANAHTAR KELİMELER Bilgisayar Destekli Tasarım, Bilgisayar Destekli üretim. Levha Kesim Optimizasyonu, Mobilya Endüstrisi, Orman ürünleri Sanayinde Teknolojik Gelişim ÖZET Bu çalışmada. Orman ürünleri Sanayinde, rasyonalizasyon amacı ile, bilgisayarla entegre üretimin uygulanması hedeflenmiştir. Bilgisayarla entegre üretim, bilgisayar destekli tasarım ve bilgisayar destekli üretimin entegrasyonundan oluşmaktadır. Bilgisayar destekli tasarım ve üretim sistemlerine yönelme, aynı zamanda, teknolojik gelişimi yakalama anlamındadır. Bu hedefe ulaşmada, isletmelerde üretimin hemen her aşamasında sağlanacak, bilgisayar desteği ve matematiksel optimizasyon teknikleri önemli bir araç durumundadır. Bu aracın isletme faaliyetlerine etkisi, üretimde ortaya çı kan kayıplarda (fire oranında) ve işlem zamanında sağlanan iyileştirme ile ortaya konmuştur. Çalışma kapsamı, genelde tüm işletmelere yönelik olmakla beraber, uygulama. Orman ürünleri Sanayinde önemli bir yere sahip olan mobilya endüstrisinde gerçekleşmiştir. Bu amaçla uygulama yap il ab ilecek, KELEBEK Mobilya,TEKAGAÇ San. Tic. A. S. ve KOLEKSİYON Mobilya gibi örnek işletmeler ve O.D.T.ü. CAD/CAM Merkezi, ORARUM Atölyesi seçilmiş, ve 803&6 işlemci tabanlı bir PC 'den yararlanılmıştır. Çalışma yöntemi olarak, CAD/CAM sisteminin yapısının, ve orman ürünleri sanayinde ulaşılan teknolojik gelişmenin, uygu lamaya ışık tutacak şekilde araştırılmasından sonra, bilgisayar kontrollü tezgahlar üzerinde ve ayrıca CAD/CAM sistemine yönelik AUTOCAD, I CEM, DUCT, PHYTI A, QSB ve LOTUS,., gibi yazlımlarla, PC üzerinde, ya da bir iş istasyonunda (work-station) uygulama gerçekleştirilmiştir. Bir mutfak takımının üretime yönelik olarak tasarımı» PC ortamında çalışan bir CAD siste mi olan AUTOCAD ile yapılmıştır. Tasarım, yüzey modelleme ve üretim işleminin entegre bir sistemde gerçekleşmesi örneği DUCT adlı yazılımla bir iş istasyonunda uygulanmıştır. Bilgisayar destekli üretimin işletmelerde uygulanmasının işlet melere sağlayacağı yararları ortaya koyabilmek amacı ile toplam 9804 parçadan oluşan 330 adet mutfak takımının üretimi incelenmiştir. Aynı mutfak takımları için, PC üzerinde Levha kesim optimizasyonu gerçekleştirilmiş ve optimizasyon kont rolleri yapılmıştır. Araştırmada, verilerin daha sağlıklı değerlendirilebilmesi için aynı takımların atölye tipi bir isletmede üretimi de izlenmiştir.II Bilgisayar destekli tasarım uygulaması sonucunda, tasarımda bilgisayar desteğinin sağlanmasının isletmelere önemli yararlar getirebileceği ve isletmelerin önemli bir maliyet yüküne girmeden ürün tasarımında ve geliştirmede bu sistemleri kullanabilecekleri sonucuna ulaşılmıştır. Ayrıca bu çalışmalar ile isletmede zamanla standart ürün dosyaları (file) ve ürün kütüphaneleri oluşabilecektir. Bunun sonucunda ise, gerek duyulduğunda bilgisayarda hemen güncelleştirilebilecek bu veriler yeni ürün tasarımında, ya da ürün geliştirmede çok kolaylık sağlayacağı gibi, üretime de destek olacaktır. Böylece, isletmede önemli ölçüde verimlilik artışı da sağlanabilecek tir. Yapılan araştırmalar CAD uygulamaları ile işletmelerde 2-5 kat arasında verimlilik artışı sağlanabileceğini göstermektedir. Bilgisayar destekli üretim uygulaması sonucunda, üretimde bilgisayar desteğinin sağlanması ile levha kesiminde % 15-20' lerde seyreden fire oranlarının % 6'lara düşürülebileceği bulunmuştur. Ayrıca, kesim işlemi zamanı, klasik yöntemle işleme zamanına göre, 25 katlık bir azalma ile, % 4' e, kullanılan işgücü, 50 katlık bir azalma ile, % 2'ye, delik delmedeki makina işlem zamanı, 4.4 katlık bir azalma ile,% 23 'e, harcanan işgücü ise, 5.6 katlık bir azalma ile, % 18 'e düşebilecektir. Ayrıca işlemlerin yaklaşık sıfır hata düzeyinde ve işletmenin arzu ettiği toleranslar ölçüsünde gerçekleştirileceği de görülmüştür. Bu bulgulara ek olarak, CNC makina ile gerçekleştirilen levha kesim optimizasyonun bir PC üzerinde yapılması sonucun da işletmenin hiçbirsey üretmeden ve hiçbir maliyete katlanmadan üretim sonuçlarını önceden görebilmesi işletmeye önemli olanaklar sağlamaktadır. Böylece İşletme o üretim dönemindeki koşullarına göre, fire minimizasyonuna ya da işlem zamanı minimizasyonuna, karar verebilecektir, özellikle, siparişle çalışan işletmelerde, siparişlerin aşırı yoğunlaştığı dönemler, de, isletmenin bir fayda maliyet analizi yaparak önceliklerini seçme, ya da öncelikler arasında bir denge kurma, fırsatı bulunmaktadır. Araştırma ile ulaşılan sonuçların tüm orman ürünleri sanayi işletmelerinde gerçekleşmesinin ön koşulu, fazla maliyet önyargısına kapılmadan, işletmelerin kendi yapılarına uygun bir planlama ile CAD/CAM sistemlerine yönelmeleri ve üretimde bilgisayar desteğini hızla sağlamaya çalışmalarıdır. Bu amaca ulaşmada, bilgisayar ve kantitatif optimizasyon teknikleri önemli araçlardır. III COMPUTER INTEGRATED MANUFACTURING AND ITS APPLICATION IN FOREST PRODUCTS INDUSTRY K.Hüseyin KOÇ KEYWORDS CAD, CAM, Panel Cutting Optimization, Furniture Industry, Technological Development In Forest Products Industry ABSTRACT The impact of the application of Computer Integrated Manufacturing to Forest Products Industry was investigated, with the aim of rationalization. The methods investigated were: AUTOCAD System as a CAD Systems, Computer Numerical Control (CNC) machine for panel cutting and for drilling, and PHYTIA,a program for optimizing panel cutting, designed for PCs. AUTOCAD system was used to design the model of one of the furnitures as a simple for cabinet furnitures. In application of computer aided manufacturing, for 330 cabinet furnitures, optimization was opteined in panel cutting process by reducing waste in production. Also the drilling required for assemblage was done by CNC machine. The results showed that by using AUTOCAD, an important reduction in products design process, and in drafting time, can be achieved, and the productivity increased. Application of CNC panel cutting machine in production and by using PHYTIA,a reduction of the waste produced, from 15-20 % to 6 %, was obtained. By using CNC machine in panel cutting, machine-time was reduced to 4 Ss, and man-day to 2 %, of the time required by the present practice; in drilling machine-time was reduced to 23 %, and man-day to 18 fc. 140
- Published
- 1993
50. Evaluation of demographic and clinical characteristics of female patients presenting with MINOCA.
- Author
-
Kutlu M
- Subjects
- Coronary Angiography, Demography, Female, Humans, Coronary Vessels, MINOCA
- Published
- 2022
- Full Text
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