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Öğe Are sleep and life quality of family caregivers affected as much as those of hemodialysis patients?(ELSEVIER SCIENCE INC, 2012) Celik, Gulperi; Annagur, Bilge Burcak; Yilmaz, Mumtaz; Demir, Tarik; Kara, FatihObjective: The purpose of this study was to determine and compare the quality of sleep, quality of life, and anxiety and depression symptoms reported by hemodialysis (HD) patients and family caregivers of HD patients. Methods: The study included 142 pairs of HD patients and their caregivers. To assess quality of sleep, quality of life, and anxiety and depressive symptoms, the 36-item Short Form, Pittsburgh Sleep Quality Index (PSQI), and Hospital Anxiety and Depression Scale, respectively, were used. Results: For the patients, 73.9% were poor sleepers. Low Physical Component Summary (PCS) and Mental Component Summary (MCS) scores were found in 89.1% and 76.3% of HD patients, respectively. For the caregivers, 88% were poor sleepers. Low PCS and MCS scores were found in 62% and 70.4% of the caregivers, respectively. Mean PSQI scores, subjective sleep quality scores, sleep latency, sleep efficiency, sleep disturbance, use of sleep medications, and daytime dysfunction scores of the caregivers were significantly higher than the scores of the HD patients (P<.001). Conclusions: Caregivers of dialysis patients experience adverse effects on their quality of sleep and quality of life. Educational, social, and psychological support interventions should be considered to improve their ability to cope. (C) 2012 Elsevier Inc. All rights reserved.Öğe Assessment of Arterial Stiffness in Female and Male Gout Patients(TAYLOR & FRANCIS INC, 2013) Yilmaz, Sema; Celik, Gulperi; Gundogdu, AliThe aim of this study was to investigate the relationship between central blood pressures (BP), pulse wave velocity (PWV) meaurements, and biochemical parameters in female and male gout patients and controls. This study included 12 (23.5%) females and 39 (76.5%) males with gout disease. 24-hour diastolic BP, day diastolic BP and day diastolic exceeding limit value were higher in male gout patients than female gout patients. In male gout patients, more prominent inflammatory changes in the vascular wall may be an explanation for the result of this our study, because history of hypertension and smoking habits were frequent in this group.Öğe Central arterial characteristics of gout patients with chronic kidney diseases(WILEY, 2017) Celik, Gulperi; Yilmaz, Sema; Kebapcilar, Levent; Gundogdu, AliBackground: The aim of this study was to investigate the relationship between central blood pressure, arterial stiffness parameters and renal function parameters in gout patients with chronic kidney disease (CKD) and without CKD. Methods: The study enrolled 48 gout patients and 32 control subjects. Central blood pressure, arterial stiffness parameters and renal function parameters in gout patients were investigated. The vascular measurements were performed with an arteriograph. Results: Of the gout patients, 40.1% had CKD. The 24-h pulse pressure (PP) (P < 0.001), central systolic blood pressure (SBP) (P < 0.001), central diastolic blood pressure (DBP) (P < 0.001), cardiac output (CO) (P < 0.001) and peripheral resistance (P = 0.004) were significantly higher in the all patients with gout compared to healthy control subjects. Moreover, when the gout patients with and without CKD were compared, the gout patients with CKD had higher 24-h PP (P = 0.009), 24-h augmentation index standardized to a heart rate of 75 beats per min (AIx@75) (P < 0.023), daytime PP (P = 0.001), daytime AIx@75 (P = 0.027), and nighttime PP (P = 0.035) than the gout patients without CKD. Conclusions: In our study, gout patients with CKD had worse and more emphasized evidence of arterial stiffness than gout patients without CKD. Further investigations with large sample sizes are needed to evaluate the effect of CKD on the arterial stiffness of gout patients.Öğe Comparison of Nutritional Parameters among Adult and Elderly Hemodialysis Patients(IVYSPRING INT PUBL, 2011) Celik, Gulperi; Oc, Bahar; Kara, Inci; Yilmaz, Mumtaz; Yuceaktas, Ali; Apiliogullari, SezaAim: The aim of this study was to compare the nutritional biochemical parameters, prealbumin levels, and bioimpedance analysis parameters of adult and elderly hemodialysis (HD) patients. Methods: This prospective cross-sectional study included 50 adult HD patients (42.0 % female). Nutritional status was assessed by post-dialysis multifrequency bioimpedance analysis (BIA), serum prealbumin and other nutritional biochemical parameters. Results: Mean age of patients was 57.4 +/- 15.1 years (range: 30-83 years) and mean dialysis duration was 68.3 +/- 54.5 months (range: 3-240 months). When the patients were divided into two groups according to age of patients (<65 and >= 65), prealbumin (p=0.003), blood urea nitrogen (BUN) (p=0.000), serum creatinine (p=0.013), albumin (p=0.016), protein catabolic rate per normalized body weight (nPCR) (p=0.001), intracellular water (ICW)/total body weight (0.003), body fat mass (p00.000), lean body mass (p=0.031), lean dry mass (p=0.001), illness marker (p=0.005), basal metabolism (p=0.007), body mass index (BMI) (p=0.028), body fat mass index (BFMI) (p=0.000), fat free mass index (FFMI) (p=0.040) values were significantly different between the groups. In the elderly patients (age >= 65), body fat mass, illness marker, BMI, BFMI were higher compared to adult patients (age <65). Additionally, in the elderly patients, prealbumin, BUN, creatinine, albumin, nPCR, ICW/ total body weight, lean body weight, lean dry weight, basal metabolism and FFMI were lower than adult patients. Conclusions: Our results indicate that BFMI were higher, albumin, prealbumin, nPCR and lean body mass and FFMI were lower in elderly patients compared to adults. These results imply that elderly HD patients may be prone sarcopenic obesity and may require special nutritional support.Öğe The Effects of Free Radicals on Antioxidant Defence Systems and Organism in Hemodialysis Patients(CHEM SOC PAKISTAN, 2011) Yontem, Mustafa; Bilge, Murat; Kaleli, Suleyman; Kurban, Sevil; Celik, GulperiChronic Renal Failure (CRF) is accompanied by a variety of complications which may develop due to an increase in oxidant stress and/or a decrease in antioxidant activities. Hemodialysis (HD) is still the most prevalent method used for the end stage renal failure throughout the world. In this study, it was aimed to research thoroughly whether an increase in lipid peroxidation occurs in hemodialysis patients with advanced CRF and to evaluate antioxidant enzyme activities. Plasma MDA which is the indicator of lipid peroxidation and plasma SOD, CAT, GSH-Px levels as well as total antioxidant status (TAS) values which are the indicators of antioxidant defense systems have been determined in CRF patients who have undergone hemodialysis treatment and in the control group. Compared to those found in the control group, MDA and SOD levels in CRF patient group have statistically increased (p<0,001), while GSH-Px and CAT values have been found to decrease (p<0,001). TAS values have been determined to increase in the control group before the hemodialysis and to decrease after the hemodialysis, which is statistically insignificant. With regard to the correlation calculation we've made, a statistically positive correlation have been found between urea and creatinine both pre- and after hemodialysis, while no statistically significance have been recorded among other parameters.Öğe Factors Related to Pulse Wave Velocity and Augmentation Index in Chronic Hemodialysis Patients(INFORMA HEALTHCARE, 2011) Celik, Gulperi; Demirci, Meltem Sezis; Tumuklu, Murat; Asci, Gulay; Sipahi, Savas; Toz, Huseyin; Basci, AliBackground: Augmentation index (AIx) and pulse wave velocity (PWV) are early markers of atherosclerotic vascular changes and also have been shown to be predictive of cardiovascular disease and total mortality. The aim of our study was to evaluate the relationship between PWV and AIx-HR75, which is the corrected form of AIx according to a heart rate of 75 beats/min, echocardiographic parameters and biochemical parameters in chronic hemodialysis (HD) patients. Subjects and methods: AIx-HR75 and PWV were measured in 556 HD patients by applanation tonometry using the SphygmoCor device. Results: The mean PWV and AIx-HR75 values of the study group were 10.2 +/- 2.4 and 28.4 +/- 10.2 m/s. A positive correlation was found between PWV and AIx-HR75 (r = 0.214, p = 0.000). AIx-HR75 correlated with age (r = 0.093, p = 0.028), body surface area (BSA) (r = -0.194, p = 0.000), mean arterial pressure (MAP) (r = 0.335, p = 0.000), pulse pressure (PP) (r = 0.212, p = 0.000), cardiothoracic index (r = 0.155, p = 0.016), and presence of left ventricular hypertrophy (r = 0.152, p = 0.001). PWV correlated with MAP (r = 0.208, p = 0.000), PP (r = 0.098, r = 0.021), left ventricular mass (r = 0.105, p = 0.023), and predialysis sodium level (r = -0.105, p = 0.023). In the multivariate analyses, PWV was associated with MAP (t = 3.78, p = 0.000), presence of diabetes (t = 3.20, p = 0.001), and predialysis sodium level (t = -2.06, p = 0.040), and AIx-HR75 was associated with age (t = 2.48, p = 0.014), female sex (t = 3.98, p = 0.000), BSA (t = -2.15, p = 0.033), and MAP (t = 7.02, p = 0.000). Conclusion: There is a strong association between MAP and arterial stiffness parameters in HD patients. We feel that efficient control of blood pressure could lead to reduced arterial stiffness in HD patients.Öğe Findings of multidimensional instruments for determining psychopathology in diabetic and non-diabetic hemodialysis patients(E-CENTURY PUBLISHING CORP, 2012) Celik, Gulperi; Annagur, Bilge Burcak; Yilmaz, Mumtaz; Kara, FatihObjective: The aim of this study was to expand the research on psychiatric complications of end-stage renal disease (ESRD), as well as to examine the prevalence of a broad range of psychopathology in diabetic and nondiabetic hemodialysis (HD) patients. Methods: One hundred nineteen HD patients were invited to enter the cross-sectional study. To assess quality of life, quality of sleep, mental status and depression and anxiety symptoms, the 36-item Short Form, Pittsburgh Sleep Quality Index (PSQI), Mini-Mental State Examination and Hospital Anxiety and Depression Scale, respectively, were used. Results: The mean age of all patients was 56.9 +/- 16.1 years; 54 (45.4%) were female. In the diabetic patients group, 84.8% of the patients had low MCS scores, and 89.2% patients had low PCS scores; 73.9% were poor sleepers; 63.0% had cognitive decline; 62.0% patients were depressive symptoms; and 28.3% had symptoms of anxiety. When comparing the diabetic and non-diabetic patients, the diabetic patients had lower role-emotional, sleep duration, and sleep efficiency scores. Conclusions: Incorporating a standard assessment and, eventually, treatment of psychopathologic symptoms into the care provided to diabetic and hemodialysis patients might improve quality of life and sleep, depressive symptoms and, reduce mortality risk.Öğe Non-dipping blood pressure patterns and arterial stiffness parameters in patients with Behcet's disease(NATURE PUBLISHING GROUP, 2015) Celik, Gulperi; Yilmaz, Sema; Esmen, Serpil ErguluBehcet's disease is a multisystemic vasculitis involving veins and arteries of various sizes. Non-dipping status, augmentation index and pulse wave velocity are important determinants of cardiovascular mortality and morbidity. We investigated the non-dipping status and arterial stiffness in patients with Behcet's disease. In this cross-sectional study, we examined the vascular parameters of 96 patients with Behcet's disease (53% female) and 60 age- and sex-matched control subjects. The non-dipping status and arterial distensibility were assessed using a Mobil-O-Graph Arteriograph, an automatic oscillometric device. In total, 65.6% of 96 patients were systolic non-dippers, and 34.4% exhibited high augmentation indices. Ten percent of the control subjects were systolic non-dippers, and 11.7% exhibited high augmentation indices. Nocturnal decreases in systolic blood pressure correlated with central systolic blood pressure and diastolic blood pressure, as well as nocturnal decreases in diastolic blood pressure. Furthermore, non-dipper patients with Behcet's disease exhibited higher nocturnal cardiac outputs than did dipper patients with Behcet's disease. Augmentation index correlated negatively with C-reactive protein and correlated positively with both 24 h and nocturnal peripheral resistance, as well as 24 h pulse wave velocity. The patients with high augmentation indices exhibited lower creatinine clearance, as well as lower nocturnal cardiac outputs, higher 24 h peripheral resistance and higher 24 h pulse wave velocities. Non-dipping status and arterial stiffness may exacerbate the harmful cardiovascular effects of the other. In addition to conventional risk factors, non-dipping status and arterial stiffness should be examined during the follow-up evaluations of patients with Behcet's disease.Öğe PlasmaBNP, a useful marker of fluid overload in hospitalized hemodialysis patients(WILEY, 2012) Celik, Gulperi; Silinou, Emilie; Vo-Van, Cyril; Jean, Guillaume; Chazot, CharlesHospitalization for intercurrent illness frequently disrupts the nutritional status of hemodialysis (HD) patients and jeopardizes the dry weight prescription. We report in this study the evolution of brain natriuretic peptide (BNP), blood pressure and body weight in hospitalized patients and the relationship between BNP plasma level and nutritional and inflammation parameters. We have studied 42 patients requiring hospitalization (F/M: 18/24; 72.5 +/- 12.5 years old; 19/42 with diabetes). The plasma BNP levels at baseline, during hospitalization (BNP-Hosp), and in the recovery phase were compared. Predialysis and postdialysis blood pressure and postdialysis body weight were recorded and compared. BNP-Hosp increased significantly when compared with BNP levels at baseline, from 421 +/- 647.2 pg/mL to 1584 +/- 1584.4 pg/mL (P < 0.0001). Brain natriuretic peptide decreased from 1223 +/- 1342.1 pg/mL during hospitalization to 616 +/- 892.1 pg/mL after discharge (P = 0.005). The BNP-Hosp was positively correlated with C-reactive protein (P = 0.003) and negatively correlated with serum prealbumin (P = 0.0001) and albumin (P = 0.0001). The postdialysis body weight prescription decreased from 71.0 +/- 15.7 kg at baseline to 70.5 +/- 15.4 kg during hospitalization and to 67.8 +/- 14.4 kg 4 months after discharge (P = 0.0032). Our study displays clearly the significant changes of plasma BNP levels occurring during intercurrent events. Fluid overload triggered by inflammation-associated catabolism and the lag time for dry weight adjustment is the cause of this finding. Hence, plasma BNP level may be used as a marker of fluid overload in patients with intercurrent events and may allow efficient dry weight adjustment. We cannot rule out an effect of inflammation on BNP synthesis.Öğe Prevalence of Nasal Staphylococcus aureus Carriage in the Patients Undergoing Hemodialysis and Evaluation of Risk Factors and Laboratory Parameters(TAYLOR & FRANCIS LTD, 2011) Celik, Gulperi; Gulcan, Aynur; Dikici, Nebahat; Gulcan, ErimBackground: In this study, we aimed to determine the nasal carriage rate of Staphylococcus aureus and risk factors in hemodialysis (HD) patients. Methods: One hundred eighty-four HD patients were evaluated. A second sample was taken from the subjects, the wipe samples of whom were isolated as S. aureus. And subjects whose second samples' results were the same were deemed as S. aureus carriers. Results: Fifty-two (28.3%) patients were identified as S. aureus carriers. In the control group, S. aureus carriage has been found out as 14.9% in 116 healthy subjects. The isolation rate of S. aureus has been found statistically significantly high in the age group of 41-61 years. But, methicillin-resistant S. aureus (MRSA) isolation ratio has been statistically high in the group over the age of 61 years. Sepsis history and gastrointestinal system disease development is closely related to bacterial isolation. MRSA isolation ratios have been found high in chronic lung disease patients, diabetic patients, patients with infection history, and patients with impaired general state of health. The carriage ratios have been found higher in the patients who are settled in urban areas, are subjected to dialysis for more than 10 years, and are hospitalized in the past year. However, the difference between the other groups is not statistically significant. Conclusions: S. aureus carriage must be screened on regular intervals in HD patients. Nasal S. aureus carriage follow-up and treatment is a process that will protect patients from more severe clinical pictures.Öğe Renal Effects of Coronary Artery Bypass Graft Surgery in Diabetic and Non-Diabetic Patients: A Study with Urinary Neutrophil Gelatinase-Associated Lipocalin and Serum Cystatin C(KARGER, 2015) Arun, Oguzhan; Celik, Gulperi; Oc, Bahar; Unlu, Ali; Celik, Jale Bengi; Oc, Mehmet; Duman, AtesBackground/Aims: Cardiac surgery and diabetes are major causes of acute kidney injury (AKI). We aimed to investigate the value of urinary neutrophil gelatinase-associated lipocalin (NGAL) and serum cystatin C, as early biomarkers for prediction of AKI in diabetic and nondiabetic adult patients undergoing cardiac surgery. Methods: 15 non-diabetic and 15 diabetic adult patients undergoing cardiac surgery were enrolled. Peri-operative clinical and laboratory variables were recorded. Urinary NGAL, serum cystatin C, serum creatinine (Cre) and blood urea nitrogen (BUN) were evaluated. Results: AKI was detected in 4 patients in non-diabetic group and 12 patients in diabetic group. Urinary NGAL levels of diabetic and non-diabetic patients and serum cystatin C levels of diabetic patients exceed upper normal limits or cut off values much earlier than BUN and Cre. cystatin C levels of non-diabetic patients remain unchanged. Cystatin C and NGAL levels of patients meeting AKI criteria and NGAL levels of patients not meeting AKI criteria exceeded upper normal limits or cut off values much earlier in than BUN and Cre. Conclusions: Measurement of cystatin C level in both diabetic and nondiabetic patients may reveal AKI earlier than NGAL and BUN. In diabetic patients, measurement of urinary NGAL and serum cystatin C levels may indicate AKI signs earlier than BUN and Cre. Copyright (C) 2015 S. Karger AG, BaselÖğe Response: Plasma BNP, a useful marker of fluid overload in hospitalized hemodialysis patients(WILEY-BLACKWELL, 2012) Celik, Gulperi; Chazot, Charles[Abstract not Available]Öğe An uncommon presentation of Sjogren's syndrome and brucellosis(PERGAMON-ELSEVIER SCIENCE LTD, 2014) Celik, Gulperi; Ozturk, Ercument; Ipekci, Suleyman Hilmi; Yilmaz, Sema; Colkesen, Fatih; Baldane, Suleyman; Kebapcilar, LeventWe describe herein a case of hypokalemia due to proximal renal tubular acidosis (RTA) and Fanconi's syndrome (FS) and nephrogenic diabetes insipidus with DIC - a rare complication of Sjogren's syndrome (SS) and brucellosis. The interesting feature of this case was the presentation with severe hypokalemia, causing acute flaccid quadriparesis with cardiac arrest which is extremely rare. The patient was a 48-year-old woman who suffered cardiopulmonary arrest an hour after hospitalization. Analysis of a blood sample obtained before her cardiopulmonary arrest yielded surprising results: laboratory investigations showed profound hypokalemia (1.1 mEq/L) with renal K wasting, hyperchloremic metabolic acidosis with normal anion gap, hypophosphatemia with hypouricemia, glucosuria, and proteinuria. A diagnosis of RTA and FS were made. On the seventh day, she looked acutely ill, temperature 38.8 C and pale, and her physical examination revealed purpuric skin lesions on both legs. The serum antibrucella titration agglutination test was found to be 1 of 160 positive with a nosocomial infection. The clinical and laboratory findings were consistent with disseminated intravascular coagulation (DIC). She was unable to concentrate her urine and so a diagnosis of nephrogenic diabetes insipidus (NDI) was reached. A thorough survey for the cause of FS, RTA and NDI revealed that she had xerophthalmia and xerostomia accompanied by high anti-Ro antibody, positive Schirmer test, confirming the diagnosis of SS. (C) 2014 Elsevier Ltd. All rights reserved.Öğe Vapocoolant Spray vs Lidocaine/Prilocaine Cream for Reducing the Pain of Venipuncture in Hemodialysis Patients: A Randomized, Placebo-Controlled, Crossover Study(IVYSPRING INT PUBL, 2011) Celik, Gulperi; Ozbek, Orhan; Yilmaz, Mumtaz; Duman, Ipek; Ozbek, Seda; Apiliogullari, SezaObjective: Patients undergoing hemodialysis are repeatedly exposed to stress and pain from approximately 300 punctures per year to their arteriovenous fistula. This study was designed to measure pain associated with venepuncture during AVF cannulation and to compare the effectiveness of ethyl chloride vapocoolant spray, topical eutectic mixture of local anesthetics (EMLA) cream and placebo in controlling pain caused by venepuncture of arteriovenous fistula patients undergoing chronic hemodialysis. Methods: This randomized, placebo-controlled, crossover study, included 41 patients undergoing conventional hemodialysis three times a week. First intervention was conducted as baseline pain assessment (control). In the three consecutive dialysis sessions, every patient randomly received 1) ethyl chloride vapocoolant spray, 2) EMLA, or 3) placebo cream before venepuncture. Pain perception was recorded by patients immediately after cannulation on a 0-100 mm visual analogue scale (VAS). p<0.05 was considered as significant. Results: VAS scores presented a marked inter-individual variation during venepuncture. EMLA application resulted in significantly lower total pain scores compared to control and all other interventions (p<0.05). No patient experienced severe pain with EMLA or vapocoolant. The patients reported less moderate and severe pain with EMLA, and vapocoolant spray compared to control and placebo interventions. Moderate and severe pain scores were similar between EMLA and vapocoolant spray (p>0.05). Conclusion: Venipuncture for AVF cannulation causes mild to moderate pain in hemodialysis patients. Although local application of EMLA is more effective than in preventing venepuncture pain, ethyl chloride vapocoolant is as effective as EMLA for preventing mild to moderate puncture pain in patients undergoing hemodialysis.