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    Relationship between echocardiography and arterial stiffness parameters and chorodial thickness in healthy subjects
    (Edizioni Minerva Medica, 2022) Akkaya, Hasan; Zor, Kursad R.; Gunturk, Ertugrul E.; Kucuk, Erkut; Yildirim, Gamze
    ABSTR A C T BACKGROUND: Choroid is one of the most vascularized tissues of the body. Enhanced depth imaging optical coher-ence tomography (EDI-OCT) is the diagnostic method for choroid imaging. An increase in arterial stiffness, one of the important determinants of vascular aging, is a prognostic predictor of cardiovascular mortality. Carotid-femoral pulse wave velocity (CFPWV) is the gold standard method for the detection of arterial stiffness and has a high predictive value for undesirable cardiovascular events. The aim of our study was to investigate whether there is a relationship between choroidal thickness and echocardiographic findings, CFPWV, arterial stiffness, aortic distensibility and other basic pa-rameters in healthy middle-aged subjects. METHODS: The study included 80 healthy individuals aged 30-60 years. Firstly, echocardiographic and arterial stiffness levels of volunteers were evaluated, and choroidal thickness was determined by EDI-OCT. The relationship between choroidal thickness and other parameters was evaluated by Pearson correlation test. RESULTS: A total of 80 healthy volunteers (35 females, 43%) were included in the study. The mean age was 42.40-17.68 years (range, 31-60 years). It was found that there were a negative correlation between choroid and age (r=-0.80, P<0.01), left ventricular deceleration time (r=-0.72, P<0.01), isovolumic relaxation time (r=-0.76, P<0.01), ee (r =-0.68, P<0.01), annular late diastolic velocity (r=-0.25, P<0.05), CFPWV (r=-0.70, P<0.01) and aortic stiffness (r=-0.76, P<0.01). There was a significant positive correlation between choroid and aortic distensibility (r=0.81, P<0.01). There was no difference between the genders in terms of choroidal thickness (t[77]=0.47, P>0.05). CONCLUSIONS: Correlation between advanced age, left ventricular diastolic dysfunction, increased arterial stiffness parameters, decreased aortic distensibility and choroidal thinning were observed.
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    The contribution of scholars to the anatomy of the eye and adnexa in islamic geography
    (Wolters Kluwer Medknow Publications, 2020) Zor, Kursad R.; Cinaroglu, Selim; Kucuk, Erkut
    From the early period of Islam, Muslim scholars have translated the ancient Greek medical works, and they reached a much more advanced level. Blindness was a major cause of disability in all Islamic geography, so physicians from Islamic territory, particularly Yuhanna ibn Masawayh, Hunain Ibn Ishaq, Rhazes, Ali bin Isa, Ibn-i Sina, and Ibn Al-Haitam, were particularly focused on the anatomy of the eye and diagnosis and treatment of eye diseases. In this study, we aimed to report the contributions of the Muslim scholar on the anatomy of the eye and adnexa for the first time in the literature.