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    Evaluation of arterial stiffness and serum endocan levels in patients with primary aldosteronism with new-onset hypertension and long-term hypertension
    (Springer, 2023) Can, M.; Kocabas, M.; Burgucu, H. C.; Yarar, Z.; Karadeniz, Y.; Karakose, M.; Yerlikaya, F. H.
    Purpose There is growing evidence that prolonged exposure to high serum aldosterone concentrations results in target organ damage to the heart, kidney, and arterial wall, and that primary aldosteronism (PA) is associated with increased cardiovascular risk. In this study, we aimed to evaluate cardiovascular disease (CVD) risk indicators such as arterial stiffness [with pulse wave velocity (PWV) measurement] in PA patients and endocan levels, which is a biomarker of endothelial dysfunction. Methods 28 patients with PA were included in our study. As the control group, 14 patients with essential hypertension (EHT) and 28 normotensive healthy volunteers were included. Height, weight, body mass index (BMI), systolic blood pressure (SBP), diastolic blood pressure (DBP), serum fasting glucose, insulin, hemoglobin A1c (HbA1c), C-reactive protein (CRP), lipids and endocan levels of all subjects in the PA, EHT and control groups were measured. PWV measurements were performed to assess arterial stiffness. Results In the PA group, PWV levels were similar to the EHT group, and endocan levels were lower than the EHT group. In the PA group, PWV levels were higher than the control group, and endocan levels were lower than the control group. When we compared the PA group with new-onset HT with the PA group with long-term HT, PWV levels were higher in the PA group with long-term HT. When we compared the long-term HT group with the EHT group, PWV levels were higher in the long-term HT PA group and endocan levels were higher in the EHT group. When we compared the PA group with long-term HT with the control group, PWV levels were higher in the PA group with long-term HT, and endocan levels were similar in both groups. Conclusions In our study, it was determined that arterial stiffness increased in PA cases with long-term HT compared to PA cases with new-onset HT, EHT cases and normotensive healthy cases. We found that endocan levels in PA patients were also lower than both EHT patients and healthy controls.
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    NEW BIOMARKERS TO PREDICT CARDIOVASCULAR RISK IN PATIENTS WITH ADRENAL INCIDENTALOMA; IRISIN AND NESFATIN-1
    (Editura Acad Romane, 2022) Can, M.; Kocabas, M.; Karakose, M.; Alsancak, Y.; Yerlikaya, F. H.; Burgucu, H. Caliskan; Cordan, I
    Objective. In our study, we aimed to investigate the levels of irisin, nesfatin-1 and the relationship between levels of these relatively new molecules with cardiometabolic risk markers; carotid intima-media thickness (CIMT), epicardial adipose tissue (EAT) thickness in patients with nonfunctional adrenal incidentaloma (NFAI). Materials and Methods. Patients with NFAI (n=59) and age, sex and body mass index-matched healthy control subjects (n=59) were enrolled in this study. Serum glucose, insulin, C-reactive protein (CRP), lipid, irisin and nesfatin-1 levels and echocardiographic CIMT and EAT thickness measurements were performed in patients and controls. Results. The irisin level was 17.58 +/- 4.38 pg/mL in the NFAI group, significantly higher (p<0.001) than 14.03 +/- 4.03 pg/mL in the control group. Nesfatin-1 level was significantly lower in the NFAI group 194.98 +/- 119.15 pg/mL ((p < 0.001)) versus 303.48 +/- 200.78 pg/mL in the control group. A positive correlation was found between irisin and nesfatin-1 levels and CIMT and EAT thickness in the NFAI group. Conclusions. In our study, we found that irisin level was higher and nesfatin-1 level was lower in patients with NFAI, and both irisin and nesfatin-1 levels were associated with CIMT and EAT thickness in NFAI patients.
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    Structural and Morphological Properties of Al doped ZnO Nanoparticles
    (Iop Publishing Ltd, 2016) Akdag, A.; Budak, H. F.; Yilmaz, M.; Efe, A.; Buyukaydin, M.; Can, M.; Turgut, G.
    Zinc oxide nanoparticles have a wide area of use because of their unique properties such as catalytic, electrical, and optical properties and low cost. Since the suitable additive materials can be changed the electrical and optical properties of zinc oxide, the demand of the industrial commercial area to the zinc oxide increased. In this study, Al doped ZnO nanoparticles produced by using the methods of reduction thought having materials of the Zn(NO)(3), AlCl3 and NaOH. XRD, SEM and EDS used for making analyzing of structural and dimensional of particles. The analyses show that the large amount of the Al3(+) ions did nut substitute with Zn2(+) successfully with the reduction method. XRD and EDS results confirm this situation.
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    What are the main barriers to achieve minimal disease activity in psoriatic arthritis in real life?
    (Clinical & Exper Rheumatology, 2019) Bakirci, S.; Solmaz, D.; Al Osaimi, N.; Dalkilic, E.; Can, M.; Erden, A.; Ozisler, C.
    Objective Minimal disease activity (MDA) is an important target in patients with psoriatic arthritis (PsA), however it is also criticised for having a low threshold for patient reported outcomes (PRO). The aim of the study was to assess the prevalence of MDA and its components in patients with PsA and to evaluate disease characteristics and patterns in patients with or without MDA (MDA(+) or MDA(-)). Methods PsArt-ID (Psoriatic Arthritis-International Database) is a prospective, multicentre web-based registry. PsA patients who had at least 1 year of disease duration and had full data for MDA were included for this analysis (n=317). Patients were considered in MDA+ when they met at least 5/7 of the MDA criteria. Results MDA was achieved in 46% patients. Within MDA- patients, body surface area (51.2%) and swollen joint count (53.5%) domains could still be achieved in the majority and 93.5% of them had no enthesitis using the Leeds enthesitis index. Of 170 patients with MDA-, 90 patients did not fulfill all 3 PROs of MDA. Mono-arthritis subtype (RR: 2.01), absence of enthesitis (RR: 1.570) and absence of distal interphalangeal (DIP) joint disease (RR: 1.1) were associated with higher probability of achieving MDA. Conclusion The MDA criteria provide an objective target for treatment in trials and clinical practice; however, in real life PROs are the most significant barriers to achieve MDA. The presence of DIP joints disease makes it difficult to reach MDA due to active PROs.