Wos İndeksli Yayınlar Koleksiyonu

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    Morning Blood Pressure Surge In Renal Transplant Recipients: Its Relation To Graft Function And Arterial Stiffness
    (2022) Demirci, Bahar Gurlek; Afsar, Baris; Tutal, Emre; Colak, Turan; 35704743
    Background: When the blood pressure rises before awakening in the morning, it is called as morning blood pressure pulse (MBPS). MBPS is considered to be an independent risk factor for cardiovascular disease. The aim of this study was to investigate the associations between MBPS, graft function, arterial stiffness and echocardiographic indices in renal transplant recipients. Methods: Among 600 renal transplant recipients, 122 patients who had a history of hypertension and were taking at least one anti hypertensive medication were enrolled in the study. Arterial stiffness was measured by carotid-femoral pulse wave velocity (PWv), and echocardiographic indices were assessed. 24 h ambulatory blood pressure was monitored for all patients. MBPS was calculated by subtracting morning systolic blood pressure from minimal asleep systolic blood pressure. Results: Mean morning, day time and asleep systolic blood pressure values were 171.2 +/- 23.9, 137.9 +/- 18.1, and 131.7 +/- 18.9, respectively. Nondipper hypertension status was observed in 93 patients. Mean MBPS was 35.6 +/- 19.5 mm Hg, means PWv was 6.5 +/- 2.0 m/s. Patients with MBPS >= 35 mm Hg, had significantly lower eGFR and higher proteinuria, PWv. higher left atrium volume and LVMI. In regression analysis, day time systolic blood pressure, asleep systolic blood pressure, morning blood pressure surge, nondipper status and left ventricular mass index were detected as the predictors of graft function. Conclusions: Increased morning blood pressure surge is associated with graft dysfunction, increased arterial stiffness and LVMI that contribute to cardiovascular mortality and morbidity in renal transplant recipients.
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    Does mild preeclampsia cause arterial stiffness and ventricular remodeling through inflammation?
    (2014) Citfci, Faika Ceylan; Ciftci, Ozgur; Gullu, Hakan; Caliskan, Mustafa; Uckuyu, Ayla; Ozcimen, Ebru Emel; 25669058
    Background: A link between preeclampsia (PE) and excessive maternal morbidity and mortality is a commonly recognized fact. Moreover, it has been suggested that chronic inflammatory state connected with PE contributes to accelerated atherosclerosis. There is also an association between PE and maternal cardiac remodeling and biventricular diastolic dysfunction. The aim of the study was to investigate the presence of impaired myocardial performance and increased arterial stiffness in patients who experienced a mild case of PE five years previously. Methods: The study included forty PE patients (40 women; mean age 33.75 +/- 7.95) and 27 healthy volunteers (27 women; mean age 36.44 +/- 10.45) Transthoracic echocardiography, including Doppler echocardiography combined with tissue Doppler imaging (TDI), and aortic stiffness index (AoSI), aortic distensibility (AoD), and aortic elastic modulus (AoEM) values were measured in each study participant. Results: There was a statistically significant increase in hsCRP, aortic stiffness index, and aortic elastic modulus in PE patients as compared to controls (2.43 +/- 1.91 vs. 3.80 +/- 2.06, p=0.007; 3.09 +/- 2.41 vs. 7.32 +/- 6.89, p=0.001; 2.89 +/- 2.11 vs. 7.00 +/- 6.83, p=0.001), while a significant decrease was observed in the aortic strain and distensibility (respectively, 22.35 +/- 15.99 vs. 12.24 +/- 9.22, p=0.005; 11.17 +/- 9.68 vs. 6.13 +/- 4.99, p=0.018). No differences between the two groups were observed with regard to the left ventricular myocardial performance index (MPI) (0.55 +/- 0.16 vs. 0.53 +/- 0.19, p=0.630). Conclusions: To the best of our knowledge, this has been the first study to demonstrate impaired aortic elasticity and unaffected myocardial performance index in patients with mild PE. Moreover, these effects turned out to be significantly correlated with inflammation.