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Demirci R, Sahtiyancı B, Bakan A, Akyuz O. The predictors of catheter-related bloodstream infections in patients undergoing hemodialysis: A single center experience. J Vasc Access 2023; 24:76-81. [PMID: 34137310 DOI: 10.1177/1129729821998836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Here we aimed to investigate the predictors of catheter-related bloodstream infections (CRBSI) in patients with acute kidney injury or chronic kidney disease who required renal replacement therapy through a non-tunneled hemodialysis catheter. METHODS A total of 111 patients who received non-tunneled hemodialysis catheters were retrospectively evaluated. Patients were divided into two groups; those who developed CRBSI and those who did not. Patient's demographic data, laboratory results at admission, information regarding catheter infections, and culture results were obtained from electronic medical records. RESULTS The mean age of the patients was 64 ± 16 years, and 51 of them were male. CRBSI occurred in 14 patients (12.6%). Admission serum albumin level (OR: 0.119, 95% CI: 0.019-0.756, p = 0.024), admission mean platelet volume (OR: 2.207, 95% CI: 1.188-4.100, p = 0.012) and catheter duration (OR: 1.580, 95% CI: 1.210-2.064, p = 0.001) were independent predictors for the CRBSI development. ROC curve analysis demonstrated that a catheter duration of 22 days was predictive for presence of CRBSI (78% sensitivity, 76% specificity, AUC: 0.825, 95% CI: 0.724-0.925, p < 0.001). CONCLUSIONS Prolonged catheter duration, low serum albumin, and high mean platelet volume independently predict the development of CRBSI in patients undergoing hemodialysis for acute kidney injury or chronic kidney disease.
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Affiliation(s)
- Recep Demirci
- Department of Nephrology, University of Health Sciences Kanuni Sultan Suleyman Training and Research Hospital, Kucukcekmece/Istanbul, Turkey
| | - Berrak Sahtiyancı
- Department of Nephrology, University of Health Sciences Kanuni Sultan Suleyman Training and Research Hospital, Kucukcekmece/Istanbul, Turkey
| | - Ali Bakan
- Department of Nephrology, University of Health Sciences Kanuni Sultan Suleyman Training and Research Hospital, Kucukcekmece/Istanbul, Turkey
| | - Okan Akyuz
- Department of Nephrology, Bilecik State Hospital, Bilecik, Turkey
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Sasak G, Bakan A. Is Vitamin D Deficiency Associated With Metabolic Syndrome in Renal Transplant Recipients? Transplant Proc 2019; 51:2343-2345. [DOI: 10.1016/j.transproceed.2019.01.171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 01/28/2019] [Indexed: 12/27/2022]
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Bakan A, Oral A, Alışır Ecder S, Şaşak Kuzgun G, Elçioğlu ÖC, Demirci R, Aydın Bahat K, Odabas AR. Assessment of Mean Platelet Volume in Patients with AA Amyloidosis and AA Amyloidosis Secondary to Familial Mediterranean Fever: A Retrospective Chart - Review Study. Med Sci Monit 2019; 25:3854-3859. [PMID: 31123243 PMCID: PMC6545066 DOI: 10.12659/msm.914343] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Background Amyloidosis is a protein-misfolding disease characterized by the deposition of aggregated proteins in the form of abnormal fibrils that disrupt tissue structure, ultimately causing disease. Amyloidosis is very frequent in untreated familial Mediterranean fever (FMF) patients and it is the most important feature that determines the prognosis of FMF disease. The mean platelet volume (MPV) in FMF has been previously studied. However, whether MPV level in FMF patients is lower or higher compared to healthy controls remains a topic of ongoing debate. In this study, we aimed to investigate MPV values and to assess the correlation between MPV and proteinuria in patients with AA amyloidosis and AA amyloidosis secondary to familial Mediterranean fever (AA-FMF) through a retrospective chart-review. Material/Methods This study was carried out on 27 patients with AA amyloidosis, 36 patients with AA amyloidosis secondary to FMF (a total of 63 patients with AA), and 29 healthy controls. There was no statistically significant difference between the AA patients and the control group (p=0.06) or between the AA-FMF group and the control group in terms of MPV values (p=0.12). Results We found a statistically significant negative correlation between MPV and thrombocyte count in all groups (p<0.05 for all groups), but there was no correlation between MPV and proteinuria levels in AA patients (p=0.091). Conclusions While similar results also exist, these findings are contrary to the majority of previous studies. Therefore, further controlled clinical prospective trials are necessary to address this inconsistency.
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Affiliation(s)
- Ali Bakan
- Internal Medicine Clinic, Ministry of Health lstanbul Kanuni Sultan Suleyman Education and Research Hospital, Istanbul, Turkey
| | - Alihan Oral
- Department of Intenal Medicine, Istanbul Bilim University, Istanbul, Turkey
| | - Sabahat Alışır Ecder
- Department of Nephrology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
| | - Gulsah Şaşak Kuzgun
- Department of Nephrology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
| | - Ömer Celal Elçioğlu
- Department of Nephrology, Bezmialem Vakif University School of Medicine, Istanbul, Turkey
| | - Recep Demirci
- Internal Medicine Clinic, Ministry of Health lstanbul Kanuni Sultan Suleyman Education and Research Hospital, Istanbul, Turkey
| | - Kübra Aydın Bahat
- Department of Nephrology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Ali Rıza Odabas
- Department of Nephrology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
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Elcioglu OC, Afsar B, Bakan A, Takir M, Ozkok A, Oral A, Kostek O, Basci S, Kanbay A, Toprak AE, Bahat KA, Kalcioglu MT, Kanbay M. Chronic rhinosinusitis, endothelial dysfunction, and atherosclerosis. Am J Rhinol Allergy 2017; 30:58-61. [PMID: 27216336 DOI: 10.2500/ajra.2016.30.4325] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Chronic inflammation is associated with accelerated atherosclerosis, endothelial dysfunction (ED), and cardiovascular diseases. Because chronic rhinosinusitis (CRS) is an inflammatory disease, it may be associated with the development of ED and accelerated atherosclerosis. OBJECTIVE To investigate the relationship between CRS and carotid intima-media thickness (CIMT), flow-mediated dilation (FMD) of the brachial artery, and microalbuminuria. MATERIALS AND METHODS This cross-sectional study included 38 patients with CRS and 29 healthy controls. In addition to measuring spot urine albumin-creatinine ratios, FMD of the brachial artery and CIMT were assessed noninvasively. RESULTS Patients with CRS had lower FMD scores (p = 0.031), higher CIMT scores (p = 0.005), and a higher urinary albumin-creatinine ratio (p = 0.036) compared with healthy controls. In a multivariate analysis, CIMT and FMD were independently associated with the presence of CRS. However, the relationship between urinary albumin and creatinine, and the presence of CRS was no longer observed. CONCLUSIONS CRS is associated with ED and atherosclerosis, as indicated by decreased FMD and increased CIMT in patients with CRS. Further studies are necessary to identify the exact pathophysiologic mechanisms responsible for our findings.
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Affiliation(s)
- Omer Celal Elcioglu
- Division of Nephrology, Department of Internal Medicine, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
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Bakan A, Oral A, Kostek O, Ecder SA, Odabaş AR. An unusual case of peritonitis after vaginal leak in a patient on peritoneal dialysis. Nefrologia 2015; 36:85-6. [PMID: 26705960 DOI: 10.1016/j.nefro.2015.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/27/2015] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ali Bakan
- Istanbul Medeniyet University, Goztepe Training and Research Hospital, Department of Internal Medicine, Kadiköy, Istanbul, Turkey
| | - Alihan Oral
- Istanbul Medeniyet University, Goztepe Training and Research Hospital, Department of Internal Medicine, Kadiköy, Istanbul, Turkey.
| | - Osman Kostek
- Istanbul Medeniyet University, Goztepe Training and Research Hospital, Department of Internal Medicine, Kadiköy, Istanbul, Turkey
| | - Sabahat Alışır Ecder
- Istanbul Medeniyet University, Goztepe Training and Research Hospital, Department of Internal Medicine, Kadiköy, Istanbul, Turkey
| | - Ali Rıza Odabaş
- Istanbul Medeniyet University, Goztepe Training and Research Hospital, Department of Internal Medicine, Kadiköy, Istanbul, Turkey
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Keles N, Caliskan M, Aksu FU, Keles NN, Karagoz V, Tekin AS, Akcakoyun M, Kostek O, Elcioglu O, Aung SM, Bakan A, Odabas AR. Retrobulbar blood flow and carotid intima–media thickness alteration may relate to subclinic atherosclerosis in patients with chronic inflammatory diseases. Ren Fail 2015; 37:1164-70. [DOI: 10.3109/0886022x.2015.1057469] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Elcioglu OC, Ozkok A, Bakan A, Ozluk Y, Kilicaslan I, Ak A, Donmez GE, Odabas AR. IgA Nephropathy in the Course of Sarcoidosis with Multi-Systemic Involvement. Electron J Gen Med 2015. [DOI: 10.15197/sabad.1.12.34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Ozkok A, Makbule Sirin B, Celal Elcioglu O, Bakan A, Riza Odabas A. Crescentic glomerulonephritis due to IgA nephropathy or propylthiouracil-induced Mpo-Anca positive vasculitis? Ren Fail 2013; 35:930. [PMID: 23682719 DOI: 10.3109/0886022x.2013.794685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ozkok A, Acar G, Elcioglu OC, Bakan A, Atilgan KG, Sasak G, Alisir S, Odabas AR. Cardiomyopathy mimicking left ventricular noncompaction in a patient with lupus nephritis. CEN Case Rep 2012; 1:69-72. [PMID: 28509061 DOI: 10.1007/s13730-012-0015-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2011] [Accepted: 04/19/2012] [Indexed: 11/29/2022] Open
Abstract
A 37-year-old female patient was admitted with exertional dyspnea. Her serum creatinine was 2.4 mg/dL and anti-nuclear antibody was positive in a titer of 1/320. Renal biopsy revealed diffuse proliferative lupus nephritis. Echocardiography and cardiac magnetic resonance (MR) imaging showed increased apical trabeculations compatible with left ventricular noncompaction (LVNC), which is a rare genetic cardiomyopathy. The patient expressed a marked improvement in exertional dyspnea after the immune-suppressive treatment for systemic lupus erythematosus (SLE). Control echocardiography revealed a significant increase of ejection fraction. SLE may cause a kind of cardiomyopathy with high resemblance to LVNC. Discrimination of these two similar clinical entities is important because SLE-induced cardiomyopathy is potentially reversible after the immune-suppressive treatment for SLE.
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Affiliation(s)
- Abdullah Ozkok
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey.
| | - Goksel Acar
- Department of Cardiology, Kartal Kosuyolu Heart and Research Hospital, Istanbul, Turkey
| | - Omer Celal Elcioglu
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Ali Bakan
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Kadir Gokhan Atilgan
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Gulsah Sasak
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Sabahat Alisir
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Ali Riza Odabas
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Istanbul, Turkey
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Ozkok A, Elcioglu OC, Cukadar T, Bakan A, Sasak G, Atilgan KG, Alisir S, Kanbay M, Covic A, Odabas AR. Low serum pancreatic enzyme levels predict mortality and are associated with malnutrition-inflammation-atherosclerosis syndrome in patients with chronic kidney disease. Int Urol Nephrol 2012; 45:477-84. [PMID: 22907629 DOI: 10.1007/s11255-012-0237-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Accepted: 06/19/2012] [Indexed: 02/07/2023]
Abstract
PURPOSE Serum levels of amylase and lipase are frequently increased in patients with chronic kidney disease (CKD). Relatively low serum pancreatic enzyme levels in CKD may represent a state of pancreatic insufficiency and may contribute to protein-energy wasting (PEW). We aimed to investigate the relationships of serum pancreatic enzyme levels with PEW, inflammation, and mortality in CKD patients. METHODS Two hundred and thirty CKD patients (male/female: 144/86; mean age, 59 ± 16 years) were enrolled. Serum total α-amylase and lipase activities were measured by enzymatic colorimetric assays. Mean follow-up time was 18 ± 10 months. Forty-seven patients (20 %) died during this period. RESULTS Serum amylase levels were increased in 95 patients (41 %) and serum lipase levels were increased in 71 patients (30 %) out of the 230 patients. Diabetic patients had significantly lower serum amylase levels than non-diabetic ones (86 ± 46 vs. 111 ± 60 IU/L, p < 0.0001). Patients with ischemic heart disease also had significantly lower serum amylase (82 ± 37 vs. 108 ± 60 IU/L, p < 0.0001) and lipase levels (39 ± 36 vs. 57 ± 57 IU/L, p = 0.007). Serum amylase and lipase levels were directly correlated with serum creatinine (r = 0.173, p = 0.009 and r = 0.374, p < 0.0001) and albumin (r = 0.410, p < 0.0001 and 0.287, p < 0.0001), and inversely correlated with CRP (r = -0.223, p = 0.001 and r = -0.147, p = 0.027). The Kaplan-Meier analysis revealed survival advantages for both high-amylase and high-lipase groups in end-stage renal disease (ESRD) (CKD stage 5) patients (log rank, p < 0.001 and p = 0.02, respectively). In the Cox regression analysis, serum amylase was found to be an independent predictor for mortality. CONCLUSION Serum amylase activity was found to be an independent predictor of mortality in ESRD patients. Relatively low serum pancreatic enzyme levels in CKD may be regarded as a novel component of the malnutrition-inflammation-atherosclerosis syndrome.
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Affiliation(s)
- Abdullah Ozkok
- Department of Nephrology, Istanbul Medeniyet University, Goztepe Training and Research Hospital, Kadikoy, Istanbul, Turkey.
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Ozkok A, Elcioglu OC, Bakan A, Sasak G, Atilgan KG, Alisir S, Odabas AR. An unusual case of renal failure due to solitary plasmacytoma: parenchymal invasion of the kidney. Ren Fail 2012; 34:640-2. [PMID: 22320171 DOI: 10.3109/0886022x.2012.656559] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Solitary extramedullary plasmacytoma (EMP) is a rare plasma cell disorder mostly involving the upper airway; however, retroperitoneal infiltration is very rare. Kidney injury associated with EMP is exceptionally rare with only anecdotal reports. Herein we report a case of retroperitoneal EMP causing renal failure by the way of direct renal parenchymal infiltration. Renal parenchymal invasion should be considered in aggressive and refractory plasma cell dyscrasias with unexplained renal failure.
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Affiliation(s)
- Abdullah Ozkok
- Department of Nephrology, Istanbul Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey.
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Ozkok A, Elcioglu OC, Bakan A, Atilgan KG, Alisir S, Odabas AR. Reversible posterior leukoencephalopathy in the course of Goodpasture syndrome. Ren Fail 2012; 34:254-6. [PMID: 22251235 DOI: 10.3109/0886022x.2011.647211] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Reversible posterior leukoencephalopathy syndrome (RPLS) is characterized by headache, altered consciousness, seizures, and cortical blindness. The most frequent etiological factors are hypertension, kidney diseases, and immunosuppressive drugs such as steroids and cyclophosphamide. Herein we present a case of a 22-year-old female patient presented with alveolar hemorrhage and acute renal failure necessitating hemodialysis. In renal biopsy, necrotizing crescentic glomerulonephritis and immunofluorescence pattern compatible with Goodpasture syndrome were found. Anti-glomerular basement membrane antibody result was positive. At follow-up, respiratory failure ensued, steroid pulse treatment was started, and she was transferred to intensive care unit (ICU). In the ICU, she had visual disturbances and blindness together with seizures. Cranial magnetic resonance imaging (MRI) revealed irregular T2- and fluid-attenuated inversion recovery (FLAIR)-weighted lesions in bilateral occipital lobes. On clinical and radiological grounds, RPLS was diagnosed. With the supportive and anti-hypertensive treatment, RPLS was resolved without a sequela. Subsequent cranial MRI was totally normal. In the literature, RPLS associated with Goodpasture syndrome was reported only once. Hypertension and methylprednisolone might be the responsible etiologies in this case.
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Affiliation(s)
- Abdullah Ozkok
- Department of Nephrology, Istanbul Medeniyet University, Istanbul Goztepe Training and Research Hospital, Kadikoy, Istanbul, Turkey.
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McLaughlin J, Rella J, Bakan A, Kong L, Zhu L, Frederick D, Yende S, Ferrell R, Bahar I, Shapiro S, Angus D, Kaynar A. Impact of pro-domain stability of matrix metalloproteinase-8 on the outcome of sepsis. Crit Care 2011. [PMCID: PMC3066952 DOI: 10.1186/cc9698] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Abstract
The prevalance of hyperlipidemia in chronic renal failure (CRF) patients is higher than in general population. Secondary amyloidosis is a common cause of CRF in Turkey. In this study, 25 patients with CRF due to secondary renal amyloidosis (amyloid-CRF), 15 patients with CRF without amyloidosis-CRF and 17 healthy controls were studied for serum lipid parameters. The mean serum lipoprotein (a) [LP(a)] level in the patients with amyloid-CRF was significantly higher than in the controls (p < 0.01). The mean serum apolipoprotein B (Apo B), apolipoprotein E (Apo E) and triglyceride levels in the patients with amyloid-CRF were very significantly higher than in the controls (p < 0.001). The mean serum total cholesterol, low-density lipoprotein (LDL) levels in the patients with amyloid-CRF were higher than in the controls (p < 0.05). The mean serum apo AI levels in the patients with amyloid-CRF was very significantly lower than in the controls (p < 0.001). The mean serum high-density lipoprotein (HDL) in the patients with amyloid-CRF was lower than in the controls (p < 0.05). The mean serum Lp (a), Apo AI, Apo B and Apo E levels in the patients with amyloid-CRF were significantly higher than in the patients with CRF (p < 0.01). The mean serum total cholesterol, trigliserides, LDL and HDL levels in the patients with amyloid-CRF were higher than in the patients with CRF (p < 0.05). There was not any correlation with serum lipid parameters and serum albumin and urine protein levels (p > 0.05). Our study suggests that serum lipid parameters are abnormal and might be the risk factor of atherosclerotic vascular disease and contribute to renal disease progression in the patients with secondary renal amyloidosis and lipid abnormalities were different from CRF with various etiology, without amyloidosis.
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Affiliation(s)
- K Cengiz
- Department of Nephrology, Ondokuz Mayis University School of Medicine, Samsun, Turkey
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