Ayhan, Hüseyin

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Citation - WoS: 3
Citation - Scopus: 2
Transcatheter Aortic Valve Implantation in Patients With Connective Tissue Disease
(Taiwan Soc Cardiology, 2021) Ayhan, Huseyin; Karaduman, Bilge Duran; Keles, Telat; Bozkurt, Engin
Background: There is still no consensus on the treatment of patients with connective tissue disease (CTD) with severe symptomatic aortic stenosis (AS). The aim of this study was to evaluate the feasibility and safety of transcatheter aortic valve implantation (TAVI) in patients with CTD. Methods: Five hundred and fifty consecutive symptomatic severe AS patients who underwent TAVI between 2011 and 2019 were included in this retrospective study, of whom 14 had CTD. Follow-up was performed 30 days, 6 months, and 1 year after the procedure. Results: Of the 14 (2.5%) patients who had CTD, most had rheumatoid arthritis (n = 10), followed by lupus erythematosus (n = 2), scleroderma (n = 1) and mixed (n = 1) CTD. The mean age was 77.6 +/- 7.9 years, and there was no statistical difference between the CTD and no-CTD groups. In addition, significantly more of the CTD patients (85.7%) were female compared to the no-CTD group (p = 0.018). None of the patients in the CTD group had acute kidney injury, stroke, major bleeding, or pericardial effusion. However, significantly more patients in the CTD group (n = 4) needed permanent pacemaker implantation than in the no-CTD group (p = 0.008). There were no significant differences between the two groups in terms of mean discharge time (CTD 4.6 +/- 2.0, no-CTD 4.5 +/- 2.3 days, p = 0.926) and in-hospital mortality [CTD 1 (7.1%), no-CTD 21 (3.9%); p = 0.542]. Conclusions: In this study, we presented the results of TAVI in patients with and without CTD. The TAVI procedure had similar mid-term outcomes in the two groups, and the CTD group had numerically lower rates of major complications at the cost of a higher incidence of pacemaker implantation.
Citation - WoS: 3
Citation - Scopus: 3
Prognostic Implications and Predictors of Mitral Regurgitancy Reduction After Transcatheter Aortic Valve Implantation
(Mdpi, 2024) Guney, Murat Can; Suygun, Hakan; Polat, Melike; Ayhan, Huseyin; Keles, Telat; Ertop, Zeynep Seyma Turinay; Bozkurt, Engin
Background: Mitral regurgitation (MR) is a common condition observed in patients undergoing transcatheter aortic valve implantation (TAVI) for the treatment of aortic stenosis (AS). However, the impact of TAVI on MR outcomes and the factors predicting MR improvement remains uncertain. Understanding these predictors can enhance patient management and guide clinical decisions. Methods: This retrospective cohort study included 156 patients with moderate to severe MR undergoing TAVI. MR severity was assessed via echocardiography at baseline, as well as 6 months and 1 year after TAVI. Patients were divided into groups based on MR reduction: no improvement or worsening, one-degree improvement, and at least two-degree improvement. Clinical, echocardiographic, and procedural characteristics were evaluated as predictive factors for MR improvement after TAVI. Results: MR reduction occurred in 68% of patients at 6 months and 81% at 1 year. Factors predicting a reduction of two grades or more in MR severity included lower baseline LVEDD (OR = 1.345, 95% CI: 1.112-1.628, p = 0.002) lower baseline LA (OR = 1.121, 95% CI: 1.015-1.237, p = 0.024), lower baseline LVMI (OR = 1.109, 95% CI: 1.020-1.207, p = 0.024), and higher baseline EF levels (OR = 1.701, 95% CI: 1.007-2.871, p = 0.047). No significant association was found between MR reduction at 6 months and one-year mortality. (p = 0.65). Conclusions: Baseline echocardiographic parameters are valuable in predicting MR improvement post-TAVI, with LVMI emerging as a novel predictor. However, MR reduction did not independently predict survival, underscoring the need for further research to optimize patient selection and management strategies in TAVI candidates.

Journal	Count
The Anatolian Journal of Cardiology	4
Echocardiography	2
Medicina	2
Turkish Journal of Medical Sciences	2
Türk Kardiyoloji Derneği Arşivi	2

Ayhan, Hüseyin

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