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BAKHSALIYEV, NIJAD

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Now showing 1 - 10 of 19
  • Publication
    Epicardial fat thickness assessment by multi-slice computed tomography for predicting cardiac outcomes in patients undergoing transcatheter aortic valve implantation
    (2021-10-01T00:00:00Z) Ertas, Gokhan; Ekmekci, Ahmet; Sahin, Sinan; Murat, Ahmet; BAKHSALIYEV, NIJAD; Erer, Hatice Betul; Guvenc, Tolga Sinan; Eren, Mehmet; BAKHSALIYEV, NIJAD
    Introduction: Chronic inflammation promotes aortic valve calcification. It is known that epicardial fat is a source of inflammation. The aim of this study was to investigate the relationship between epicardial fat thickness, cardiac conduction disorders and outcomes in patients undergoing transcatheter aortic valve implantation (TAVI). Methods: During a three-year period, 45 patients with severe aortic stenosis who underwent TAVI were recruited to the study. Data were collected retrospectively. Epicardial fat was defined as the adipose tissue between the epicardium and the visceral pericardium. Mean epicardial fat thickness was determined by multi-slice computed tomography, which was performed before the procedure. Results: The average thickness of epicardial fat was 13.06 ± 3.29 mm. This study failed to reveal a significant correlation between epicardial fat thickness and post-procedural left bundle branch block, right bundle branch block, paravalvular aortic regurgitation and pacemaker implantation rates (p > 0.05). Conclusions: The results of this study failed to show a significant relationship between epicardial fat thickness, cardiac conduction disorders and outcomes, however further studies with larger sample numbers are required to explore the relationship.
  • Publication
    Palyatif Bakım ve Tıp
    (2019-01-01T00:00:00Z) Bakhsalıyev, Nıjad; BAKHSALIYEV, NIJAD
  • Publication
    P Wave Duration/P Wave Voltage Ratio Plays a Promising Role in the Prediction of Atrial Fibrillation: A New Player in the Game
    (2021-05-01T00:00:00Z) KARAÇÖP, ERDEM; ENHOŞ, Asim; BAKHSALIYEV, NIJAD; ÖZDEMİR, Ramazan; KARAÇÖP, ERDEM; ENHOŞ, ASIM; BAKHSALIYEV, NIJAD; ÖZDEMİR, RAMAZAN
    Background. Atrial fibrillation (AF) is the most common sustained arrhythmia in clinical practice. Identification of patients at risk for developing AF and the opportunity for early targeted intervention might have a significant impact on morbidity and mortality. Prolonged P wave duration and decreased P wave voltage have been shown to be independent predictors of AF. The present study aimed to investigate the role of P wave duration/P wave voltage in predicting new-onset AF. Methods. We screened a total of 640 consecutive patients who admitted to cardiology outpatient clinic with a complaint of palpitation between 2012 and 2014. 24-h Holter monitoring, echocardiography, and electrocardiography (ECG) recordings were reviewed to identify new-onset AF. Patients were assigned into two groups based on presence (n = 150) and absence (n = 490) of new-onset AF. Previous ECGs with sinus rhythm were analyzed. P wave duration was measured in inferior leads, and P wave voltage was measured in lead one. P wave duration/P wave voltage was also calculated for each patient. Results. One hundred fifty subjects (23.4%) had new-onset AF among 640 patients. P wave duration (123.27 +/- 12.87 vs. 119.33 +/- 17.39 ms, p=0.024) and P wave duration/P wave voltage (1284.70 +/- 508.03 vs. 924.14 +/- 462.06 ms/mV, p<0.001) were higher, and P wave voltage (0.12 +/- 0.04 vs. 0.13 +/- 0.04 mV, p<0.001) was significantly lower in the new-onset AF group compared with non-AFs. P wave duration/P wave voltage, with a cut off of 854.5 ms/mV, had 83.3% sensitivity and 62.0% specificity in a receiver operating characteristic curve (AUC 0.728, 95% CI 0.687-0.769; p<0.001). Their negative and positive predictive values were 78.7% and 68.6%, respectively. In a univariate regression analysis, age, smoking, C-reactive protein, brain natriuretic peptide, left atrial diameter, left atrial volume index, P wave duration, P wave voltage, and P wave duration/P wave voltage were significantly associated with the development of new-onset AF. Moreover, smoking (OR 4.008, 95% CI 1.707-9.409; p=0.001), left atrial volume index (OR 7.108, 95% CI 4.400-11.483; p<0.001), and P wave duration/P wave voltage (OR 1.002, 95% CI 1.000-1.003; p=0.044) were found to be significant independent predictors of new-onset AF in a multivariate analysis, after adjusting for other risk parameters. Conclusion. The P wave duration/P wave voltage ratio is a practical, easy-to-use, cheap, and reliable electrocardiographic parameter, which can play a promising role for both in predicting and elucidating a mechanism of new-onset AF.
  • Publication
    Assessment of the Relationship between Monocyte to High-Density Lipoprotein Ratio and Myocardial Bridge.
    (2019-01-01T00:00:00Z) Bakshaliyev, N; Karacop, E; Cosansu, K; Huyut, MA; Turna, F; Enhos, A; Nadir, A; Ozdemir, R; Uluganyan, MAHMUT; ENHOŞ, ASIM; KARAÇÖP, ERDEM; BAKHSALIYEV, NIJAD; NADİR, AYDIN; ÖZDEMİR, RAMAZAN; ULUGANYAN, MAHMUT
    Background: Assessing the monocyte to high-density lipoprotein ratio (MHR) is a new tool for predicting inflamation, which plays a major role in atherosclerosis. Myocardial bridge (MB) is thought to be a benign condition with development of atherosclerosis, particularly at the proximal segment of the brigde. Objective: To evaluate the relationhip between MHR and the presence of MB. Methods: We consecutively scanned patients referred for coronary angiography between January 2013- December 2016, and a total of 160 patients who had a MB and normal coronary artery were enrolled in the study. The patients’ angiographic, demographic and clinic characteristics of the patients were reviewed from medical records. Monocytes and HDL-cholesterols were measured via complete blood count. MHR was calculated as the ratio of the absolute monocyte count to the HDL-cholesterol value. MHR values were divided into three tertiles as follows: lower (8.25 ± 1.61), moderate (13.11 ± 1.46), and higher (21.21 ± 4.30) tertile. A p-value of < 0.05 was considered significant. Results: MHR was significantly higher in the MB group compared to the control group with normal coronary arteries. We found the frequency of MB (p = 0.002) to increase as the MHR tertiles rose. The Monocyte-HDL ratio with a cut-point of 13.35 had 59% sensitivity and 65.0% specificity (ROC area under curve: 0.687, 95% CI: 0.606-0.769, p < 0.001) in accurately predicting a MB diagnosis. In the multivariate analysis, MHR (p = 0.013) was found to be a significant independent predictor of the presence of MB, after adjusting for other risk factors. Conclusion: The present study revealed a significant correlation between MHR and MB.
  • Publication
    Kardiyoloji Konsultasyon Kitabı
    (2017-08-01T00:00:00Z) Bakhsalıyev, Nıjad; BAKHSALIYEV, NIJAD
  • Publication
    The impact of hydroxychloroquine-azithromycin combination on Tpeak-to-end and Tpeak-to-end/QT ratio during a short treatment course
    (2021-05-01T00:00:00Z) BAKHSALIYEV, NIJAD; ÖZDEMİR, Ramazan; BAKHSALIYEV, NIJAD; ÖZDEMİR, RAMAZAN
    Background: Since there was no proven treatment of coronavirus disease 2019 (COVID-19), hydroxychloroquine-azithromycin (HCQ-AZM) combination is being used in different countries as a treatment option. Many controversies exist related to the safety and effectiveness of this combination, and questions about how HCQ-AZM combination affects the ventricular repolarization are still unknown. Objective: The aim of the study was to show whether the hydroxychloroquine-azithromycin (HCQ-AZM) combination prolonged Tpeak-to-end (TpTe) duration and TpTe/QT interval ratio or not. Methods: One hundred and twenty-six consequent COVID-19(+) patients meeting the study criteria were enrolled in this study. Baseline ECGs were obtained immediately after hospitalization and before commencing the HCQ-AZM combination. On-treatment ECG was obtained 24-48 hr after the loading dose of HCQ/AZM. ECG parameters including PR interval, QRS duration, QT interval, QTc interval, TpTe duration, and TpTe/QT interval ratio were assessed. Demographic and laboratory findings were collected from an electronic recording system. Results: ECGs of 126 COVID-19(+) patients who received HCQ-AZM combination were assessed. Mean baseline QTc (by Fridericia formula), TpTe, and TpTe/QT ratio were 420.0 ± 26.5 ms, 82.43 ± 9.77 ms, and 0.22 ± 0.02, respectively. On-treatment QTc, TpTe and TpTe/QT ratio were 425.7 ± 27.18 ms, 85.17 ± 11.17 ms, and 0.22 ± 0.03, respectively. No statistically significant acute impacts of HCQ-AZM combination on TpTe duration and TpTe/QT interval ratio were observed compared with baseline values. No ventricular tachycardia/fibrillation and the significant conduction delays were seen during in-hospital follow-up. Conclusion: HCQ-AZM combination increased TpTe duration. However, no significant impact on TpTe/QT interval ratio was observed.
  • Publication
    Impact of postdischarge care fragmentation on clinical outcomes and survival following transcatheter aortic valve replacement
    (2020-09-01T00:00:00Z) KARAÇÖP, ERDEM; ENHOŞ, Asim; Bakhshaliyev, NIJAD; KARAÇÖP, ERDEM; ENHOŞ, ASIM; BAKHSALIYEV, NIJAD
    Background. The study aimed to evaluate the prognostic impact of postdischarge care fragmentation in patients undergoing transcatheter aortic valve replacement (TAVR). Methods. A total of 266 patients undergoing TAVR due to severe aortic stenosis were included in this retrospective cohort study. Patients were assigned to one of two groups based on presence (n= 104) and absence (n= 162) of postdischarge care fragmentation. Fragmented care was defined as at least one readmission to a site other than the implanting TAVR center within 90 days. Prognostic impact of care fragmentation on clinical outcomes and predictors of long-term mortality were investigated.
  • Publication
    Palyatif Bakım ve Tıp
    (2019-01-01T00:00:00Z) Bakhsalıyev, Nıjad; BAKHSALIYEV, NIJAD
  • Publication
    The effect of 5-day course of hydroxychloroquine and azithromycin combination on QT interval in non-ICU COVID19(+) patients
    (2020-09-01T00:00:00Z) Bakhshaliyev, Nijad; ULUGANYAN, Mahmut; ENHOŞ, Asim; KARAÇÖP, ERDEM; ÖZDEMİR, Ramazan; BAKHSALIYEV, NIJAD; ULUGANYAN, MAHMUT; ENHOŞ, ASIM; KARAÇÖP, ERDEM; ÖZDEMİR, RAMAZAN
    Background: The combination of Hydroxychloroquine (HCQ) and azithromycin showed effectiveness as a treat-ment for COVID-19 and is being used widely all around the world. Despite that those drugs are known to cause prolonged QT interval individually there is no study assessing the impact of this combination on electrocardiography (ECG). This study aimed to assess the impact of a 5-day course of HCQ and azithromycin combination on ECG in non-ICU COVID19(+) patients.
  • Publication
    MicroRNA 199a Is Downregulated in Patients After Coronary Artery Bypass Graft Surgery and Is Associated with Increased Levels of Sirtuin 1 (SIRT 1) Protein and Major Adverse Cardiovascular Events at 3-Year Follow-Up
    (2018-09-01T00:00:00Z) YAMAÇ, AYLİN HATİCE; Bakhshaliyev, Nijad; HUYUT, MUSTAFA AHMET; Yilmaz, Emre; ÇELİKKALE, İLKE; BACAKSIZ, AHMET; Demir, Yusuf; Demir, Ali Riza; Erturk, Mehmet; ÖZDEMİR, Ramazan; KILIÇ, ÜLKAN; YAMAÇ, AYLİN HATİCE; HUYUT, MUSTAFA AHMET; ÇELİKKALE, İLKE; BACAKSIZ, AHMET; BAKHSALIYEV, NIJAD; ÖZDEMİR, RAMAZAN
    Background: The cardioprotective protein SIRT1 is elevated in patients with coronary artery disease (CAD) to compensate for the disease-related adverse effects, but less is known about the prognostic role of SIRT 1 regulating microRNAs in patients after coronary artery bypass graft (CABG) surgery.