Publications by authors named "Oktay Karatan"

Objectives: The study aimed to assess the current epidemiology of hypertension, including its prevalence, the awareness of the condition and its treatment and control, in Turkey to evaluate changes in these factors over the last 10 years by comparing the results with the prevalence, awareness, treatment, and control of hypertension in Turkey (PatenT) study data (2003), as well as to assess parameters affecting awareness and the control of hypertension.

Methods: The PatenT 2 study was conducted on a representative sample of the Turkish adult population (n = 5437) in 2012. Specifically trained staff performed the data collection.

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Despite major progress in prevention, diagnosis, and treatment during the recent decades, hypertension remains the leading risk factor for cardiovascular disease and mortality throughout the world. The prevalence of hypertension in developing countries continues to rise reaching alarming rates. Several risk factors of hypertension appear to be more common in developing countries than in developed countries.

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The purposes of this study were to detect the prevalence of ownership of a home sphygmomanometer among hypertensive subjects through a nation-wide survey, to investigate parameters affecting ownership of a sphygmomanometer, to compare how home blood pressure monitoring (HBPM) was actually used in daily practice with some aspects of the current guidelines, and to discuss what we implemented to increase the reliability of HBPM in a developing country. A total of 2747 hypertensive patients from 34 cities, representative of the Turkish population, were enrolled in the study. A multiple-choice questionnaire was administered to each participant using the computer-assisted telephone interviewing method.

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This population-based epidemiological study was aimed to evaluate the daily salt intake and its relation to blood pressure in a representative group of Turkish population. The enrolled normotensive and hypertensive individuals (n = 1970) completed a questionnaire including demographics, dietary habits, hypertension awareness and drug usage. Blood pressure was measured and to estimate salt consumption, 24-h urine samples were collected.

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Objective: Hypertension incidence is an important determinant of hypertension prevalence and progression. Few studies have been published on hypertension incidence in developing countries despite the high prevalence observed. The aim of this study was to investigate the incidence of hypertension in Turkey.

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Renal infarction is a rare cause of acute abdominal and flank pain. Whether it occurs due to thrombosis or embolism, the occlusion of the renal arteries always results in renal infarction. Cigarette smoking is a known risk factor for arterial thrombosis.

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Patients with chronic renal failure have an increased incidence of tuberculosis due to decreased cellular immunity. More than half of the tuberculosis infection in these patients presented with extrapulmonary involvement. Tuberculous peritonitis is an important problem in patients undergoing continuous ambulatory peritoneal dialysis (CAPD).

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Background: Although there is a well-documented risk of acute renal failure (ARF) with the iodinated contrast agents, intravenous gadolinium-based contrast agents are considered non-nephrotoxic and have been widely used for magnetic resonance imaging (MRI). However, debate continues regarding the safety issue of gadolinium, especially in patients with kidney failure. Therefore, we aimed to evaluate the safety of gadolinium in patients with stage 3 and 4 renal failure as well as risk factors for nephrotoxicity.

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Objective: To determine the distribution of blood pressure (BP) and prevalence, awareness, treatment and control of hypertension in Turkey (PatenT).

Design: A population-based cross-sectional epidemiology survey was carried out in 2003.

Setting: Twenty-six cities from seven geographical provinces of Turkey, with proportional representation of urban and rural populations.

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Background: Total lymphocyte count (TLC) is used as a nutritional status measurement. The impact of TLC on mortality in peritoneal dialysis (PD) patients is controversial. This study aimed at evaluating the effect of TLC on mortality, and assessing the relationship between TLC and nutritional status, anemia and erythropoietin (EPO) response, acute-phase response, dialysis adequacy and volume status in PD patients.

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Development of secondary amyloidosis is an infrequent complication in patients with Behçet's syndrome (BS). It has been reported that multiple systemic involvement, long disease duration, and male gender are major clinical factors accompanying the development of amyloidosis in BS. We report a case of secondary amyloidosis in a patient diagnosed as having BS with a positive pathergy test 9 years previously and who had isolated mucocutaneous involvement.

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Objective: Today questionnaires developed to assess important outcome measures such as health-related quality of life are widely used. In this study we evaluated the construct validity of the Nottingham Health Profile (NHP) and the reliability of its Turkish version in hemodialysis patients.

Methods: In a sample of patients on renal dialysis (n = 94) the quality of life is measured by the NHP.

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Systemic amyloidosis is an unusual cause of generalized massive lymphadenopathy. In such cases the clinical picture may mimic lymphoma. We report a case of generalized massive lymphadenopathy caused by amyloidosis.

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