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    Demographics of patients with heart failure who were over 80 years old and were admitted to the cardiology clinics in Turkey
    (Kare Publ, 2019) Gok, Gulay; Zoghi, Mehdi; Sinan, Umit Yasar; Kilic, Salih; Tokgozoglu, Lale; Sumerkan, Mutlu Cagan; Emren, Volkan
    Objective: Heart failure (HF) has a high prevalence and mortality rate in elderly patients; however, there are few studies that have focused on patients older than 80 years. The aim of this study is to describe and compare the age-specific demographics and clinical features of Turkish elderly patients with HF who were admitted to cardiology clinics. Methods: The Epidemiology of Cardiovascular Disease in Elderly Turkish population (ELDER-TURK) study was conducted in 73 centers in Turkey, and it recruited a total of 5694 patients aged 65 years or older. In this study, the clinical profile of the patients who were aged 80 years or older and those between 65 and 79 years with HF were described and compared based on the ejection fraction (EF)-related classification: HFrEF and HFpEF (is considered as EF: >= 50%). Results: A total of 1098 patients (male, 47.5%; mean age, 83.5 +/- 3.1 years) aged 80 years and 4596 patients (male, 50.2 %; mean age, 71.1 +/- 4.31 years) aged 65-79 years were enrolled in this study. The prevalence of HF was 39.8% for patients who were >= 80 years and 27.1% for patients 65-79 years old. For patients aged >= 80 years with HF, the prevalence rate was 67% for hypertension (HT), 25.6% for diabetes mellitus (DM), 54.3% for coronary artery disease (CAD), and 42.3% for atrial fibrilation. Female proportion was lower in the HFrEF group (p=0.019). The prevalence of HT and DM was higher in the HFpEF group (p<0.01), whereas CAD had a higher prevalence in the HFrEF group (p=0.02). Among patients aged 65-79 years, 43.9% (548) had HFpEF, and 56.1% (700) had HFrEF. In this group of patients aged 65-79 years with HFrEF, the prevalence of DM was significantly higher than in patients aged >= 80 years with HFrEF (p<0.01). Conclusion: HF is common in elderly Turkish population, and its frequency increases significantly with age. Females, diabetics, and hypertensives are more likely to have HFpEF, whereas CAD patients are more likely to have HFrEF.
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    Evaluation of Tpe-interval and Tpe/QT, Tpe/QTc ratios in patients with premature ovarian failure
    (2019) cekici, Yusuf; Kilic, Salih; Saracoglu, Erhan; Ovayolu, Ali; Yilmaz, Mucahid; Duzen, Veysel Irfan
    Aim: Ventricular repolarization were evaluated in patients who had POF by using novel electrocardiographic parameters including Tpe-interval and Tpe/QT and Tpe/QTc ratios. A few studies have investigated the association between premature ovarian failure (POF) and cardiovascular diseases. However, none have examined ventricular repolarization in this respect.Materials and Methods: This cross-sectional study included 60 female patients with POF (mean 32.6±4.7 years) and 54 control healthy female subjects (mean 30.9±4.6 years).All electrocardiogram (ECG) measurements were performed by a cardiologist using a computer, and the Tpe-interval, Tpe/QT, and Tpe/QTc were compared between groups.Results: There were no significant differences between groups in terms of baseline characteristics and laboratory parameters. The Tpe-interval, Tpe/QT, and Tpe/QTc were significantly prolonged in POF group than control subjects (p0.001 for all). There was a strong and positive correlation between the serum follicle-stimulating hormone (FSH) level and Tpe-interval (r=0.681; p0.001) and Tpe/QTc (r= 0.636; p0.001). Furthermore, high and negative correlation was found between serum estradiol and Tpe-interval (r=-0.531; p0.001) and Tpe/QTc (r=-0.510). Multivariate linear regression analysis showed that that the FSH and estradiol level were independent predictors of both the Tpe-interval (B=0.541 and p0.001, B=-0.202 and p0.001, respectively) and Tpe/QTc (B=0.442 and p0.001, B= -0.239 and p0.001, respectively).Conclusion: It was concluded in the study that ECG parameters of ventricular repolarization, namely, Tpe-interval, Tpe/QT, and Tpe/QTc were significantly prolonged in patients that had POF.
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    The Time in Therapeutic Range and Bleeding Complications of Warfarin in Different Geographic Regions of Turkey: A Subgroup Analysis of WARFARIN-TR Study
    (Galenos Publ House, 2017) Kilic, Salih; Celik, Ahmet; Cakmak, Huseyin Altug; Afsin, Abdulmecit; Tekkesin, Ahmet Ilker; Aciksari, Gonul; Memetoglu, Mehmet Erdem
    Background: The time in therapeutic range values may vary between different geographical regions of Turkey in patients vitamin K antagonist therapy. Aims: To evaluate the time in therapeutic range percentages, efficacy, safety and awareness of warfarin according to the different geographical regions in patients who participated in the WARFARIN-TR study (The Awareness, Efficacy, Safety and Time in Therapeutic Range of Warfarin in the Turkish population) in Turkey. Study Design: Cross-sectional study. Methods: The WARFARIN-TR study includes 4987 patients using warfarin and involved regular international normalized ratio monitoring between January 1, 2014 and December 31, 2014. Patients attended follow-ups for 12 months. The sample size calculations were analysed according to the density of the regional population and according to Turkish Statistical Institute data. The time in therapeutic range was calculated according to F.R. Roosendaal's algorithm. Awareness was evaluated based on the patients' knowledge of the effect of warfarin and fooddrug interactions with simple questions developed based on a literature review. Results: The Turkey-wide time in therapeutic range was reported as 49.5% +/- 22.9 in the WARFARIN-TR study. There were statistically significant differences between regions in terms of time in therapeutic range (p<0.001). The highest rate was reported in the Marmara region (54.99%+/- 20.91) and the lowest was in the South-eastern Anatolia region (41.95 +/- 24.15) (p< 0.001). Bleeding events were most frequently seen in Eastern Anatolia (41.6%), with major bleeding in the Aegean region (5.11%) and South-eastern Anatolia (5.36%). There were statistically significant differences between the regions in terms of awareness (p< 0.001). Conclusion: Statistically significant differences were observed in terms of the efficacy, safety and awareness of warfarin therapy according to different geographical regions in Turkey.