Araştırma Çıktıları

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    Assessment of cardiovascular risk in paediatric peritoneal dialysis patients: a Turkish Pediatric Peritoneal Dialysis Study Group (TUPEPD) report
    (OXFORD UNIV PRESS, 2009-01-01) Bakkaloglu, Sevcan A.; Saygili, Arda; Sever, Lale; Noyan, Aytul; Akman, Sema; Ekim, Mesiha; Aksu, Nejat; Doganay, Beyza; Yildiz, Nurdan; Duzova, Ali; Soylu, Alper; Alpay, Harika; Sonmez, Ferah; Civilibal, Mahmut; Erdem, Sevcan; Kardelen, Firat
    Methods. We aimed to clarify arteriosclerotic risk and to document possible relationships between cardiovascular risk factors and echocardiographic parameters in paediatric peritoneal dialysis (PD) patients. M-mode/Doppler/tissue Doppler echocardiographic studies and lipid/lipoproteins, homocysteine, high-sensitivity C-reactive protein (HS-CRP) levels and carotid intima-media thickness (CIMT) were determined in 59 patients (age: 14.2 +/- 4.5 years) and in 36 healthy subjects. Results. Structural and functional cardiac abnormalities were observed in patients on maintenance dialysis. Increased left ventricular mass index (LVMI, P = 0.000), relative wall thickness (P = 0.000), myocardial performance index (MPI, P = 0.000) were documented in the patients. Lipoprotein (a) (P = 0.000), homocysteine (P = 0.001), HS-CRP (P = 0.000) and CIMT (P = 0.000) were significantly elevated in the patients. Left ventricular hypertrophy (LVH) was prevalent in 68\% of the patients. Patients with LVH had higher levels of HS-CRP (P = 0.001) and CIMT (P = 0.028) than those without LVH. Haemoglobin was an independent predictor of LVMI (beta: -8.9, P = 0.001), while residual diuresis and CIMT were independent predictors of diastolic dysfunction (beta: -0.45, P = 0.034 and beta: 5.90, P = 0.008, respectively). Albumin (beta: -0.72, P = 0.018) and Kt/V urea (beta: -0.48, P = 0.012) were significant predictors of CIMT. There were positive correlations between LVMI and CIMT. HS-CRP was positively correlated with LVMI as well as CIMT. Conclusions. Elevated levels of atherosclerotic/inflammatory risk factors, low haemoglobin levels and loss of residual renal function and their negative effects on heart are of remarkable importance in paediatric patients on maintenance peritoneal dialysis. Achieving recommended targets for haemoglobin, blood pressure and Kt/V urea, preserving residual renal function as well as managing inflammation and subsequent arteriosclerosis is obviously essential to improve the patients' prognosis.
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    Deintensification in older patients with type 2 diabetes: A systematic review of approaches, rates and outcomes
    (WILEY, 2019-01-01) Seidu, Samuel; Kunutsor, Setor K.; Topsever, Pinar; Hambling, Clare E.; Cos, Francesc X.; Khunti, Kamlesh
    Aim To assess deintensification approaches and rates and evaluate the harm and benefits of deintensification with antidiabetic medication and other therapies among older people (>= 65 years) with type 2 diabetes with or without cardiometabolic conditions. Methods We identified relevant studies in a literature search of MEDLINE, Embase, Web of Science and Cochrane databases to 30 October 2018. Data were extracted on baseline characteristics, details on deintensification and outcomes, and was synthesized using a narrative approach. Results Ten studies (observational cohorts and interventional studies) with data on 26 558 patients with comorbidities were eligible. Deintensification approaches included complete withdrawal, discontinuation, reducing dosage, conversion, or substitution of at least one medication, but the majority of studies were based on complete withdrawal or discontinuation of antihyperglycaemic medication. Rates of deintensification approaches ranged from 13.4\%-75\%. The majority of studies reported no deterioration in HbA1c levels, hypoglycaemic episodes, falls or hospitalizations on deintensification. On adverse events and mortality, no significant differences were observed among the comparison groups in the majority of studies. Conclusion Available but limited evidence suggests that the benefits of deintensification outweigh the harm in older people with type 2 diabetes with or without comorbidities. Given the heterogeneity of patients with diabetes, further research is warranted on which deintensification approaches are appropriate and beneficial for each specific patient population.