Ali Basci

Izmir Bozkaya Research and Training Hospital, Ismir, İzmir, Turkey

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Publications (40)159.3 Total impact

  • Journal of the American Society of Nephrology 04/2013; · 8.99 Impact Factor
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    ABSTRACT: Background Online haemodiafiltration (OL-HDF) is considered to confer clinical benefits over haemodialysis (HD) in terms of solute removal in patients undergoing maintenance HD. The aim of this study was to compare postdilution OL-HDF and high-flux HD in terms of morbidity and mortality.Methods In this prospective, randomized, controlled trial, we enrolled 782 patients undergoing thrice-weekly HD and randomly assigned them in a 1:1 ratio to either postdilution OL-HDF or high-flux HD. The mean age of patients was 56.5 ± 13.9 years, time on HD 57.9 ± 44.6 months with a diabetes incidence of 34.7%. The follow-up period was 2 years, with the mean follow-up of 22.7 ± 10.9 months. The primary outcome was a composite of death from any cause and nonfatal cardiovascular events. The major secondary outcomes were cardiovascular and overall mortality, intradialytic complications, hospitalization rate, changes in several laboratory parameters and medications used.ResultsThe filtration volume in OL-HDF was 17.2 ± 1.3 L. Primary outcome was not different between the groups (event-free survival of 77.6% in OL-HDF versus 74.8% in the high-flux group, P = 0.28), as well as cardiovascular and overall survival, hospitalization rate and number of hypotensive episodes. In a post hoc analysis, the subgroup of OL-HDF patients treated with a median substitution volume >17.4 L per session (high-efficiency OL-HDF, n = 195) had better cardiovascular (P = 0.002) and overall survival (P = 0.03) compared with the high-flux HD group. In adjusted Cox-regression analysis, treatment with high-efficiency OL-HDF was associated with a 46% risk reduction for overall mortality {RR = 0.54 [95% confidence interval (95% CI) 0.31-0.93], P = 0.02} and a 71% risk reduction for cardiovascular mortality [RR = 0.29 (95% CI 0.12-0.65), P = 0.003] compared with high-flux HD.Conclusions The composite of all-cause mortality and nonfatal cardiovascular event rate was not different in the OL-HDF and in the high-flux HD groups. In a post hoc analysis, OL-HDF treatment with substitution volumes over 17.4 L was associated with better cardiovascular and overall survival.
    Nephrology Dialysis Transplantation 12/2012; · 3.37 Impact Factor
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    ABSTRACT: Introduction: Nephrotic syndrome (NS) and arterial stiffness (AS) have each been linked with increased risk for cardiovascular diseases. However, there is no data in the literature up-to-date on AS in adult patients with NS. Thus, in this study, we aimed to evaluate the potential associations between AS, volume and nutritional status in patients with NS in comparison to a healthy control group. Methods: 34 adult patients with newly diagnosed but untreated NS and 34 healthy controls were studied. AS was assessed by carotid-femoral PWV (cf-PWV) and body composition, nutritional status by multifrequency bioelectric impedance analysis (BIA). Results: Mean age was 44.6 ± 18.7 years (18 - 72). Mean cf-PWV was 8.3 ± 2.5 m/s in patients with NS and 6.7 ± 1.1 m/s in controls (p = 0.002) . In univariate analysis, cf-PWV and positively correlated with age, systolic blood pressure, mean arterial pressure (MAP), pulse pressure, body mass index, body fat ratio, waisthip ratio, creatinine, uric acid and negatively with creatinine clearance. In linear regression analysis, only age and MAP predicted arterial stiffness. Total body fluid, extracellular water (ECW), ECW/Height, ECW/body surface area and third space volumes were higher in patients with NS. Conclusion: Patients with NS have increased AS and are more hypervolemic compared to the healthy subjects.
    Clinical nephrology 09/2012; · 1.29 Impact Factor
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    ABSTRACT: Trimethylaminuria (fish malodour syndrome) is a rare genetic metabolic disorder presented with a body odour which smells like a decaying fish. This odour is highly objectionable, that can be destructive for the social, and work life of the patient. Trimethylamine is derived from the intestinal bacterial degradation of foods that are rich of choline and carnitine. Trimethylamine is normally oxidised by the liver to odourless trimethylamine N-oxide which is excreted in the urine, so, uremia may worsen the condition. Uremia itself may cause more or less unpleasant odour. Poor uremic control may worsen the odour. We reported this case because Trimethylaminuria is not usually considered in the differential diagnosis of malodour in chronic renal failure and it is the first case that shown the association with Trimethylaminuria and chronic renal failure in the literature.
    Hippokratia 01/2012; 16(1):83-5. · 0.59 Impact Factor
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    ABSTRACT: In this study, we compared the changes in arterial stiffness in chronic hemodialysis patients treated with 8-h vs. 4-h thrice weekly in-center hemodialysis. Sixty prevalent chronic hemodialysis patients assigned to 8-h nocturnal in-center thrice weekly HD (NHD) and 60 control cases assigned to 4-h thrice weekly conventional HD (CHD) were followed for one year. Radial-carotid pulse wave velocity, augmentation index and echocardiography were performed at baseline and 12th month. Mean age of the patients was 49±11 years, 30.8% were female, 27.5% had diabetes mellitus and mean dialysis vintage was 57±47 months. Baseline demographical, clinical and laboratory parameters were similar between groups. During a mean follow-up of 15.0±0.1 months, blood pressure remained similar in both groups while the number of mean daily anti-hypertensive substances decreased in the NHD group. In the NHD group, time-averaged serum phosphorus and calcium-phosphorus product were lower than the CHD group. Pulse wave velocity and augmentation index decreased in the NHD group (from 11.02±2.51 m/s to 9.61±2.39 m/s and from 28.8±10.3% to 26.2±12.1%; p=0.008 and p=0.04, respectively). While augmentation index increased in the CHD group (28.0±9.4 to 31.0±10.7%, p=0.02), pulse wave velocity did not change. Subendocardial viability ratio and ejection duration improved in the NHD group (from 135±28 to 143±25%, p=0.01 and from 294±34 ms to 281±34 ms, p=0.003, respectively), accompanied by regression of left ventricular mass index. In multiple stepwise linear regression analyses, NHD was associated with improvements in augmentation index, ejection duration and subendocardial viability ratio. These data indicate that arterial stiffness is ameliorated by implementation of longer hemodialysis sessions.
    Atherosclerosis 11/2011; 220(2):477-85. · 3.71 Impact Factor
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    ABSTRACT: The number of women who would like to have a baby after renal transplantation has increased. The aim of this study was to evaluate the effects of pregnancy on the lipid profiles and renal functions among transplantation patients as well as the maternal and fetal results of pregnancy. We searched files of female patients who underwent renal transplantation between 1998 and 2008 to discover 31 pregnancies among 24 women. Mean duration of dialysis and age at transplantation for the 24 cases were 22.7 ± 24.1 months (range, 0-72) and 21.2 ± 4.6 years (range, 13-34), respectively. The time between transplantation and conception as well as age at conception were 5.2 ± 1.9 and 26.4 ± 4.4 years, respectively. Creatinine levels in the second trimester were significantly lower (P = .000). Gestational bicarbonate and albumin levels were significantly lower (P = .009 and P = .001, respectively). There were significant differences between the preconception triglyceride (TG) and those in the second and third trimesters (P = .006 and P = .00, respectively). TG levels increased as trimesters progressed (P = .000). Moreover, TG levels were higher among patients taking cyclosporine. Of pregnancies that passed the first trimester, 88.4% resulted in live births. There were 23 (74.19%) live births among 31 pregnancies with a cesarean section rate of 58%. Of the cases, 16.1% delivered preterm and 19.4% of babies had low birth weights. We believe that women with renal transplants can have healthy babies with close monitoring during pregnancy and without any effect on graft survival.
    Transplantation Proceedings 09/2011; 43(7):2579-83. · 0.95 Impact Factor
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    ABSTRACT: The association between thyroid hormones and arterial stiffness is unclear. In this study, we investigated, for the first time in a large cohort of euthyroid peritoneal dialysis patients, the relationship between thyroid hormone levels and arterial stiffness. Fifty-seven patients were enrolled. Serum TSH, free T3 and free T4 levels were measured by chemiluminescence immunoassay method. Pulse wave analysis [augmentation index (AIx) and subendocardial viability ratio (SEVR)] were measured to assess arterial stiffness. Mean age was 49 ± 12.3 years, and 56.1% were female. Mean TSH, fT3 and fT4 levels were 1.97 ± 0.99 mIU/ml, 2.80 ± 0.42 pg/ml and 1.22 ± 0.16 ng/dl, respectively. Mean AIx and SEVR were 22.3 ± 11.3 and 136 ± 21%, respectively. AIx was negatively correlated with residual urine volume (r = -0.372, P: 0.03) and fT3 levels (r = -0.382, P: 0.005). SEVR was correlated only with TSH level (r = -0.394, P: 0.003). In linear regression analysis adjusted for age, gender, history of diabetes and cardiovascular disease and residual diuresis, fT3 level (t = -3.949, P < 0.001) remained associated with AIx. Only TSH level (t = -2.409, P: 0.02) was related to SEVR. Low serum fT3 level is associated with arterial stiffness, and high TSH level within the normal range is related to lower SEVR in euthyroid PD patients.
    International Urology and Nephrology 07/2011; 44(2):601-6. · 1.33 Impact Factor
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    ABSTRACT: Carotid artery intima media thickness (CA-IMT) measurement has been shown to be a safe and reproducible method to assess severity of atherosclerosis. The association between nephrosclerosis and systemic atherosclerosis is not clear. In this study, we investigated the association between CA-IMT and nephrosclerosis in a group of kidney transplant donors. Forty seven potential kidney transplant donors were included. CA-IMT was measured by B-Mode ultrasonography. Kidney allograft biopsy samples were obtained during the transplantation operation and chronic glomerular, vascular and tubulointertitial changes were semiquantitatively scored according to the Banff classification. Mean age was 52 ± 12 years and 55% of the cases were younger than 55 years. Mean CA-IMT was 0.74 ± 0.19 mm and 48% had IMT values > 0.75 mm. Chronicty index was ≥5 in 55% of the cases. Chronicity index was higher in cases older than 55 years. Age and CA-IMT were significantly correlated with chronic vascular changes and chronicity index. CA-IMT > 0.75 mm had a 46% sensitivity and 90% specificity to predict nephrosclerosis. Positive and negative predictive values were 85% and 57%, respectively. Aging leads to detrimental changes in every part of the vasculature of the human body. CA-IMT is correlated with the level of nephrosclerosis. Measurement of CA-IMT reflects nephrosclerosis especially in older patients.
    Nephrology 07/2011; 16(8):720-4. · 1.69 Impact Factor
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    ABSTRACT: Pulse pressure (PP) has been reported as an independent predictor of cardiovascular mortality in hemodialysis patients. In this study, we aimed to investigate association of PP with echocardiographic and vascular structural changes such as atherosclerosis and arterial calcifications in HD patients. In this cross-sectional study, 108 chronic hemodialysis patients (49 male, 59 female, mean age: 46 ± 13 years) were included. Biochemical analyses, echocardiographic and high-resolution carotid Doppler examinations were done. Aortic wall and coronary artery calcifications were measured with electron beam computed tomography. The degree of carotid artery stenosis was measured at four different sites (communis, bulbus, interna and externa) in both carotid arteries. PP was strongly correlated with systolic (r: 0.82) and diastolic (r: 0.33) blood pressure, left ventricular mass index (r: 0.58), left ventricle end diastolic diameter (r: 0.38) and weakly correlated with aortic wall calcification score (r: 0.26) and carotid plaque score (r: 0.27), but not with coronary artery calcification score. Patients with carotid plaque had higher PP than patients without plaque (50 ± 16 mmHg versus 44 ± 14 mmHg, P = 0.05). Patients were divided into three groups according to aortic wall calcification score. PP was significantly higher in patients with higher aortic wall calcification (54 ± 16 mmHg) than patients with lower aortic wall calcification (44 ± 15 mmHg, P = 0.04). However, on multivariate linear regression analysis for predicting PP, the only significant factor retained was left ventricle end diastolic diameter. PP was weakly associated with large vessel calcification and atherosclerosis in hemodialysis patients. The bulk of the effect on PP seems to be due to hypervolemia.
    International Urology and Nephrology 07/2011; 44(4):1203-10. · 1.33 Impact Factor
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    ABSTRACT: Patients with end-stage renal disease are prone to inflammation and inflammation is related to erythropoietin-stimulating agent hyporesponsiveness and mortality in this population. Statins have been demonstrated to reduce cardiovascular mortality in selected populations of end-stage renal disease patients. These drugs have pleiotrophic effects such as anti-inflammation. In this retrospective analysis, we determined whether the use of statins improves inflammation and inflammation-related anemia in a cohort of hemodialysis patients. Data were analyzed from Fresenius Medical Care Dialysis Clinics in Turkey between 2005 and 2007. Seventy prevalent hemodialysis patients who were on statins at the start of the study and have been on statins during follow-up (statin users) and 1293 patients who were not on statin at the start of the study and had never been prescribed any lipid-modifying drugs during follow-up (statin nonusers) were included in the study. High-sensitive C-reactive protein levels were significantly decreased in statin users (1.50±1.49 vs. 1.33±1.11 mg/L, P=0.05) compared with nonusers (1.93±3.22 vs. 2.05±2.77 mg/L). Hemoglobin levels and the rate of erythropoietin-stimulating agent users were similar. However, the prescribed erythropoietin-stimulating agent dose (31.6±27.5 vs. 47.3±45.2 U/kg/week, P<0.05) and the erythropoietin response index (2.90±2.73 vs. 4.51±4.48 U/kg/week/Hb, P=0.001) were lower in statin users compared with statin nonusers. On stepwise multiple regression analysis, gender, high-sensitive C-reactive protein, duration of hemodialysis, serum ferritin, and statin use were independent determinants of the erythropoietin responsiveness index. Our results suggest that statin treatment leads to lower inflammation and improves hematopoiesis in hemodialysis patients.
    Hemodialysis International 04/2011; 15(3):366-73. · 1.44 Impact Factor
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    ABSTRACT: Serum free triiodothyronine (fT3) level is suggested to be a risk factor for mortality in unselected dialysis patients. We investigated the prognostic value of serum fT3 levels and also low-T3 syndrome on overall survival in a large cohort of hemodialysis (HD) patients with normal thyroid-stimulating hormone levels. A total of 669 prevalent HD patients were enrolled in the study. Serum fT3 level was measured by enzyme immune assay in frozen sera samples at the time of enrollment. Overall mortality was assessed during 48 months of follow-up. Baseline fT3 was 1.47 ± 0.43 (0.01-2.98) pg/ml, and low-T3 syndrome was present in 71.7% of the cases. During a mean follow-up of 34 ± 16 months, 165 (24.7%) patients died. fT3 level was a strong predictor for mortality in crude and adjusted Cox models including albumin or high-sensitivity C-reactive protein (hs-CRP). Further adjustment for both albumin and hs-CRP made the impact of fT3 on mortality disappear. The presence of low-T3 syndrome was associated with mortality in only the unadjusted model. Low-T3 syndrome is a frequent finding among HD patients, but it does not predict outcome. However, serum fT3 level is a strong and inverse mortality predictor, in part explained by its underlying association with nutritional state and inflammation.
    American Journal of Nephrology 03/2011; 33(4):305-12. · 2.62 Impact Factor
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    ABSTRACT: Chronic fluid overload (FO) is frequently present in peritoneal dialysis (PD) patients and is associated with hypertension and left ventricular hypertrophy and dysfunction, which are important predictors of death in dialysis patients. In the present study, we investigated the relationship between nutrition, inflammation, atherosclerosis and body fluid volumes measured by multi-frequency bioimpedance analysis (m-BIA) in PD patients. In addition, we analysed the relationship of extracellular volume values by m-BIA to echocardiographic parameters in order to define its usefulness as a measure of FO. Ninety-five prevalent PD patients (mean age 50 ± 13 years, 10 of them diabetic) were enrolled. Extracellular water (ECW), total body water (TBW), dry lean mass (DLM) and phase angle (PA) were measured by m-BIA. Volume status was determined by measuring left atrium diameter (LAD) and left ventricular end-diastolic diameter (LVEDD). Measurement of carotid artery intima-media thickness (CA-IMT) was used to assess the presence of subclinical atherosclerosis. Serum albumin was used as a nutritional marker, and serum C-reactive protein (CRP) was used as an inflammatory marker. Mean ECW/height was 10.0 ± 1.0 L/m for whole group and 9.3 ± 0.6 L/m in patients with normal clinical hydration parameters. In correlation analysis, markers of nutrition, inflammation and atherosclerosis correlated well with m-BIA parameters. When we used echographically measured LAD (> 40 mm) or LVEDD (> 55 mm) as a confirmatory parameter, a cut-off value of 10.48 L/m ECW/height (78% specificity, with a sensitivity of 77% for LAD and 72% specificity, with a sensitivity of 70% for LVEDD) was found in ROC analysis for the diagnosis of FO. Patients with FO were older and had higher systolic blood pressure, cardiothoracic index, serum CRP level and mean CA-IMT than patients without FO. Patients with inflammation had higher CA-IMT values. In multivariate analysis, only two factors-low urine output and ECW/height-were independently associated with the presence of inflammation. FO defined by m-BIA is significantly correlated with markers of malnutrition, inflammation and atherosclerosis in PD patients. The indices obtained from m-BIA, especially ECW/height, correlated well with volume overload as assessed by echocardiography and might be a measure worth testing in a properly designed clinical study.
    Nephrology Dialysis Transplantation 10/2010; 26(5):1708-16. · 3.37 Impact Factor
  • Seminars in Dialysis 06/2009; 22(3):311. · 2.25 Impact Factor
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    ABSTRACT: One of the origins of cardiovascular disease in dialysis patients is arterial stiffness. The aim of our study was to assess the relationship between the calcium content of peritoneal dialysis (PD) solution and arterial stiffness. We enrolled into the study 49 PD patients who had been treated with the same PD solution for the preceding 6 months. The calcium content of the PD solution was 1.25 mmol/L in 34 patients (low-Ca group) and 1.75 mmol/L in 15 patients (high-Ca group). Study patients were followed for 6 months on the same PD prescription. Arterial stiffness was assessed by measurement of augmentation index (AI) and brachial pulse wave velocity (PWV) at baseline and at month 6 (SphygmoCor: Atcor Medical, West Ryde, NSW, Australia). Demographic data were recorded from patient charts. Mean age of the whole group was 51 +/- 11 years, prevalence of diabetes was 14%, duration of PD was 43 +/- 30 months, percentage of women was 45%, and percentage of patients using a cycler was 33%. We observed no differences between groups with regard to those variables or creatinine clearance, residual renal function, Ca, phosphorus, parathormone, C-reactive protein, lipid parameters, and use of phosphate binder with or without Ca content. Mean arterial pressure was higher in the high-Ca group, but the difference was not statistically significant (100 +/- 22 mmHg vs 88 +/- 18 mmHg, p = 0.06). At baseline, AI was significantly higher in the high-Ca group than in the low-Ca group (27% +/- 10% vs 21% +/- 9%, p < 0.05). Measurements of PWV were not different between the groups (8.4 +/- 1.1 m/s vs 8.5 +/- 1.7 m/s). Measurement of arterial stiffness parameters at month 6 revealed that PWV had increased in the high-Ca group (to 9.6 +/- 2.3 m/s from 8.4 +/- 1.1 m/s, p < 0.05), but had not changed in the low-Ca group (to 8.2 +/- 1.9 m/s from 8.5 +/- 1.7 m/s). The AI did not change in either group. These data suggest that Ca exposure through PD solution plays a role in the progression of arterial stiffness, which may be related to increased vascular calcification.
    Peritoneal dialysis international: journal of the International Society for Peritoneal Dialysis 02/2009; 29 Suppl 2:S15-7. · 2.21 Impact Factor
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    ABSTRACT: Presence of accelerated atherosclerosis in dialysis patients cannot be entirely explained by conventional risk factors. Exposure to urea, which is elevated in patients with kidney disease, leads to the carbamylation of proteins. We investigated the effects of carbamylated low-density lipoprotein (cLDL) on human coronary artery vascular smooth muscle cells (VSMC). Native LDL (nLDL) was carbamylated with potassium cyanate. Cells were incubated with different concentrations of cLDL carbamylated at different time points. Cytotoxicity, apoptosis, proliferation (bromodeoxyuridine incorporation), expression of adhesion molecules and extracellular matrix protein synthesis were studied. Carbamylated low-density lipoprotein exposure leads to morphological alterations and presence of cellular debris. Neither nLDL nor cLDL caused apoptosis. Lactate dehydrogenase (LDH) release was not different between groups. Carbamylated low-density lipoprotein led to a striking proliferation in VSMC compared to nLDL. Carbamylated low-density lipoprotein significantly increased intercellular adhesion molecule-1 and vascular cell adhesion molecule-1 expression compared to the control. The effects of cLDL on proliferation and adhesion molecule expression were dose-dependent and correlated with the degree of low-density lipoprotein carbamylation. cLDL had no effect on extracellular matrix protein synthesis. The results support the hypothesis that cLDL may contribute to the pathogenesis of atherosclerosis in uraemic patients.
    Nephrology 12/2008; 13(6):480-6. · 1.69 Impact Factor
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    ABSTRACT: Most haemodialysis (HD) centres use anti-hypertensive drugs for the management of hypertension, whereas some centres apply dietary salt restriction strategy. In this retrospective cross-sectional study, we assessed the effectiveness and cardiac consequences of these two strategies. We enrolled all patients from two dialysis centres, who had been on a standard HD programme at the same centre for at least 1 year. All patients underwent echocardiographic evaluation. Clinical data were obtained from patients' charts. Centre A (n = 190) practiced 'salt restriction' strategy and Centre B (n = 204) practiced anti-hypertensive-based strategy. Salt restriction was defined as managing high blood pressure (BP) via lowering dry weight by strict salt restriction and insistent ultrafiltration without using anti-hypertensive drugs. There was no difference regarding age, gender, diabetes, history of cardiovascular disease and efficiency of dialysis between centres. Antihypertensive drugs were used in 7% of the patients in Centre A and 42% in Centre B (P < 0.01); interdialytic weight gain was significantly lower in Centre A (2.29 +/- 0.83 kgversus 3.31 +/- 1.12 kg, P < 0.001). Mean systolic and diastolic blood pressures were similar in the two centres. However, Centre A had lower left ventricular (LV) mass (indexed for height(2.7): 59 +/- 16 versus 74 +/- 27 g/m(2.7), P < 0.0001). The frequency of LV hypertrophy was lower in Centre A (74% versus 88%, P < 0.001). Diastolic and systolic functions were better preserved in Centre A. Intradialytic hypotension (hypotensive episodes/100 patient sessions) was more frequent in Centre B (11 versus 27, P <0.01). This cross-sectional study suggests that salt restriction and reduced prescription of antihypertensive drugs may limit LV hypertrophy, better preserve LV functions and reduce intradialytic hypotension in HD patients.
    Nephrology Dialysis Transplantation 12/2008; 24(3):956-62. · 3.37 Impact Factor
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    Kidney International 11/2008; 74(7):963-4; author reply 964-5. · 7.92 Impact Factor
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    ABSTRACT: Unlike in subjects with normal renal function, the relationship between hypertension and cardiovascular morbidity and mortality in dialysis patients is still being debated. In order to clarify this issue, we performed 44-hour ambulatory blood pressure measurements (ABPM) during the interdialytic period in a group of 164 hypertensive patients, the blood pressure (BP) control based on conventional antihypertensive strategy previously, on chronic hemodialysis treatment in the Mediterranean region of Turkey. These results were then compared with their echocardiographic data. This is a cross-sectional analysis. The mean ABPM during 44 hours was close to the manually measured predialysis value, but there was a gradual increase in the ABPM values in the interdialytic period. When divided into a group with mild or no left ventricular hypertrophy (LVH) (45 patients) and severe LVH (119 patients), the latter had significantly higher BP levels in all separate periods, while the difference in predialysis BP was not significant. Patients with severe LVH had larger left atrium and left ventricular diameters, and consumed more antihypertensive drugs. Systolic BP during the night before dialysis showed the strongest relation to LVH, but interdialytic weight gain was also independently related to LVH. Yet, 56% of the patients with systolic BP <135 had severe LVH. There is not only an association between BP and presence of LVH, but it is shown that volume expansion is also an important independent determinant of LVH. This may explain the difficulty in identifying hypertension as a cardiac risk factor in these patients.
    Hemodialysis International 07/2008; 12(3):322-7. · 1.44 Impact Factor
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    Nephrology Dialysis Transplantation 06/2007; 22 Suppl 2:ii5-21. · 3.37 Impact Factor
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    Nephrology Dialysis Transplantation 06/2007; 22 Suppl 2:ii45-87. · 3.37 Impact Factor

Publication Stats

627 Citations
159.30 Total Impact Points


  • 2011
    • Izmir Bozkaya Research and Training Hospital
      Ismir, İzmir, Turkey
  • 1997–2011
    • Ege University
      • • Department of Nephrology
      • • Department of Cardiology
      • • Department of Internal Medicine
      İzmir, Izmir, Turkey
  • 2008
    • Konya Numune State Hospital
      Conia, Konya, Turkey
  • 2007
    • Maastricht University
      • Interne Geneeskunde
      Maastricht, Provincie Limburg, Netherlands
    • CHU de Lyon - Centre Hospitalier Lyon Sud
      Lyons, Rhône-Alpes, France
  • 2001
    • Firat University
      • Department of Nephrology
      Mezreh, Elazığ, Turkey