The Investigation of Lipid Peroxidation and Asymmetric Dimethylarginin Levels in Peritoneal Dialysis Patients Treated With Different Dialysis Solotions
Abstract
Böbrek fonksiyonlarında bozulma sonucu, son dönem böbrek yetmezliği hastalarında birçok patalojik bozuklukla beraber ateroskleroz ve kardiyovasküler bozukluklar da oluşmaktadır. Asimetrik dimetilarginin (ADMA), nitrik oksit sentazın endojen inhibitörüdür. Nitrik oksit sentezini azaltarak koroner arter hastalık gelişimi için bir risk faktörü olduğu kabul edilmektedir. Bu çalışmada periton diyalizi ile tedavi edilen hastalarda farklı iki diyaliz solüsyonu (Physioneal® ve Dianeal®) kullanımının kardiyovasküler risk faktörleri ve lipid peroksidasyonu üzerine etkilerinin karşılaştırılması amaçlandı. Physioneal® marka periton diyalizi solüsyonu ile tedavi gören 14 hasta çalışma grubuna alındı. Bu hastalardan öncelikle kan numuneleri alındı (Grup- 1) ve daha sonra aynı hastalarda tedaviye bir ay süreyle Dianeal® marka periton diyalizi solüsyonu ile devam edildi. Bu sürenin sonunda hastalardan yine kan numuneleri alındı (Grup- 2). Sonra hastaların tedavisinde tekrar Physioneal® solüsyonuna dönülerek bir aylık sürenin sonunda üçüncü kez kan numuneleri alındı (Grup- 3). Ayrıca hasta grubu ile yaş ve cinsiyet yönüyle eşleştirilmiş 16 sağlıklı şahıstan kontrol grubu oluşturuldu. Çalışmaya alınan bütün deneklerde serum ADMA, homosistein (Hcy), malondialdehit (MDA), hsCRP, vitamin B6, vitamin B12 ve folik asit seviyeleri ölçüldü. Her üç periton diyaliz grubunun serum ADMA seviyeleri (Grup-1: 0.527±0,112 ?mol/L; Grup-2: 0.637±0.14 ?mol/L; Grup-3: 0.54±0,113 ?mol/L) kontrol grubundan (0,423±0,105 ?mol/L) yüksek bulunurken, Grup-2'nin ADMA seviyesi ise, Grup-1 ve 3'ten daha yüksekti (p<0.05). Ayrıca bütün gruplarda ADMA ile Hcy arasında pozitif korelasyon bulundu (p<0,01). Hcy değerleri açısından, diyaliz gruplarımız ile kontrol grubu arasında anlamlı bir fark bulunmadı (p>0.05). Her üç diyaliz grubunda hsCRP, MDA, vitamin B12 ve folik asit seviyeleri kontrollerden yüksek bulunurken, vitamin B6 seviyeleri kontrolden düşüktü (p<0.05). Bu çalışmanın sonuçları; sürekli ayaktan periton diyalizi (SAPD) hastalarında aterosklerotik risk faktörlerinden serum ADMA seviyeleri ile hsCRP düzeylerinin ve oksidatif stresin kontrollere göre artmış olduğunu göstermiştir. Ayrıca Physioneal® solüsyonu ile tedavinin Dianeal®' e göre ADMA seviyelerinde daha az artışa neden olduğunun gösterilmesi, SAPD'li hastalarda fizyolojik periton diyalizi solüsyonu kullanımının ateroskleroz gelişimini azaltmada daha yararlı olabileceğini düşündürmektedir.Anahtar Sözcükler: Asimetrik dimetilarginin, kardiyovasküler risk faktörleri, periton diyalizi, lipid peroksidasyonu
The Investigation of Lipid Peroxidation and Asymmetric Dimethylarginin levels in Peritoneal Dialysis Patients Treated with Different Dialysis Solotions.As a result of failure in renal functions, in addition to several pathological disorders, in end stage renal disease patients atherosclerosis and cardiovascular disorders can occur. Asymmetric dimethylarginine (ADMA), is an endogen inhibitor of nitric oxide synthase. Because it reduces nitric oxide synthesis, it is recognised as a risk factor for development of coronary artery disease. The aim of this study was to compare the effects of using two different dialysis solutions (Physioneal® and Dianeal®) on the cardiovascular risk factors and lipid peroxidation in the patients with peritoneal dialysis. Fourteen patients who has been treated with the Physioneal® peritoneal dialysis solution, were included in the study. First, the blood samples of these patients were obtained (Group-1) and then the treatment was continued with the Dianeal® periteonal dialysis solution in the same patients for a month. After this period, the blood samples were obtained (Group-2). And later, Physioneal® solution was used for a month and blood samples were obtained for the third time (Group-3). Additionally, a control group including 16 healthy persons who has matched to the study group with parameters like age and sex, was composed. In all subjects in the study, serum ADMA, homocysteine (Hcy), malondialdehyde (MDA), hsCRP, vitamin B6, vitamin B12 and folic acid levels were measured. In all three periteoneal dialysis groups, serum ADMA levels (Group-1: 0.527±0,112 ?mol/L; Group-2: 0.637±0.14 ?mol/L; Group-3: 0.54±0,113 ?mol/L) were higher than the controls (0,423±0,105 ?mol/L). The ADMA levels of Group-2 were higher than the Group-1 and Group-3 (p<0.05). In all groups positive correlation was found between ADMA and Hcy (p>0.05). In all three dialysis groups, while hsCRP, MDA, vitamin B12 and folic acid levels were higher than the controls, vitamin B6 levels were lower than the controls (p<0.05). As a result of this study, it is shown that atherosclerosis risk factors like serum ADMA, hsCRP levels and oxidative stress were increased compared to the controls in the patients with continuous ambulatory peritoneal dialysis (CAPD). In addition, it is shown that the treatment with Physioneal® solution caused less increase on the ADMA levels than the treatment with Dianeal® solution. Thus it is considered that the use of physiologic peritoneal dialysis solution in the patient with CAPD could be more beneficial to decrease the risk of development of atherosclerosis.Keywords: Asymmetric dimethylarginine, cardiovascular risk factors, lipid peroxidation, peritoneal dialysis.
The Investigation of Lipid Peroxidation and Asymmetric Dimethylarginin levels in Peritoneal Dialysis Patients Treated with Different Dialysis Solotions.As a result of failure in renal functions, in addition to several pathological disorders, in end stage renal disease patients atherosclerosis and cardiovascular disorders can occur. Asymmetric dimethylarginine (ADMA), is an endogen inhibitor of nitric oxide synthase. Because it reduces nitric oxide synthesis, it is recognised as a risk factor for development of coronary artery disease. The aim of this study was to compare the effects of using two different dialysis solutions (Physioneal® and Dianeal®) on the cardiovascular risk factors and lipid peroxidation in the patients with peritoneal dialysis. Fourteen patients who has been treated with the Physioneal® peritoneal dialysis solution, were included in the study. First, the blood samples of these patients were obtained (Group-1) and then the treatment was continued with the Dianeal® periteonal dialysis solution in the same patients for a month. After this period, the blood samples were obtained (Group-2). And later, Physioneal® solution was used for a month and blood samples were obtained for the third time (Group-3). Additionally, a control group including 16 healthy persons who has matched to the study group with parameters like age and sex, was composed. In all subjects in the study, serum ADMA, homocysteine (Hcy), malondialdehyde (MDA), hsCRP, vitamin B6, vitamin B12 and folic acid levels were measured. In all three periteoneal dialysis groups, serum ADMA levels (Group-1: 0.527±0,112 ?mol/L; Group-2: 0.637±0.14 ?mol/L; Group-3: 0.54±0,113 ?mol/L) were higher than the controls (0,423±0,105 ?mol/L). The ADMA levels of Group-2 were higher than the Group-1 and Group-3 (p<0.05). In all groups positive correlation was found between ADMA and Hcy (p>0.05). In all three dialysis groups, while hsCRP, MDA, vitamin B12 and folic acid levels were higher than the controls, vitamin B6 levels were lower than the controls (p<0.05). As a result of this study, it is shown that atherosclerosis risk factors like serum ADMA, hsCRP levels and oxidative stress were increased compared to the controls in the patients with continuous ambulatory peritoneal dialysis (CAPD). In addition, it is shown that the treatment with Physioneal® solution caused less increase on the ADMA levels than the treatment with Dianeal® solution. Thus it is considered that the use of physiologic peritoneal dialysis solution in the patient with CAPD could be more beneficial to decrease the risk of development of atherosclerosis.Keywords: Asymmetric dimethylarginine, cardiovascular risk factors, lipid peroxidation, peritoneal dialysis.
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Keywords
Biyokimya, Adma, Diyaliz, Kardiyovasküler Sistem, Lipid Peroksidasyonu, Periton Diyalizi, Risk Faktörleri, Biochemistry, Adma, Dialysis, Cardiovascular System, Lipid Peroxidation, Peritoneal Dialysis, Risk Factors
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