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  • Title: [Fatty acid profile in phospholipids fraction with regard to blood pressure control in the kidney transplant patients].
    Author: Wilusz M, Cieniawski D, Ignacak E, Bugajska J, Berska J, Bętkowska-Prokop A, Kużniewski M, Sułowicz W, Sztefko K.
    Journal: Przegl Lek; 2016; 73(9):621-6. PubMed ID: 29688661.
    Abstract:
    INTRODUCTION: Hypertension is diagnosed in over 50% of renal transplant patients, and its presence is associated with significantly increased risk of cardiovascular complications. The pathogenesis of hypertension in this group of patients is complex. The use of immunosuppressive drugs is among the most important risk factors due to their hypertension-inducing properties. It is also suspected, that fatty acids may play an important role in the development of the disease; however, the mechanism of its formation has not yet been fully elucidated. AIM: Evaluation of fatty acid profile in phospholipids fraction in the blood serum of patients after renal transplantation, with respect to the blood pressure and immunosuppressive drug used. MATERIALS AND METHODS: The study included 65 kidney transplant patients treated with immunosuppressants: 24 patients received CsA (9 women, 15 men) and 41 were treated with Tac (15 women, 26 men). Blood pressure level was estimated by taking an average value of the last 3 measurements in an outpatient setting. Blood pressure exceeding 140/90 mmHg was considered as abnormally high. The number of antihypertensive drugs administered was based on the analysis of patients’ records and direct interviews with patients. The concentration of each fatty acid was determined using gas chromatography. Statistical analysis was performed using Statistica 10. RESULTS: There were no statistically significant differences between both: systolic blood pressure (136.16 vs. 133.31 mmHg, p=0.499) and diastolic blood pressure (80.62 vs 80.76; p=0.962) in patients treated with CsA compared to those taking Tac. Patients treated with CsA, received – on average – more antihypertensive drugs, compared to the group of patients taking Tac (2.64 vs 2.17), but this difference was also not statistically significant (p=0.174). The profile of fatty acids in renal transplant recipients treated with CsA was similar in both with normal blood pressure and with elevated blood pressure. In case of patients treated with Tac, significantly lower concentrations of C14 (p=0.015), C16:1 (p=0.039), C18:1 (p=0.043) and MUFA (monounsaturated fatty acids; p=0.049) were found in patients with higher values of blood pressure, compared to the ones whose blood pressure was within the norm. A significantly higher concentration of fatty acids: C14 (p=0.029), C16:1 (p=0.049) and C20:5 (p=0.029) was found in patients with normal blood pressure, treated with Tac as compared with treated with CsA. In contrast, regardless to the immunosuppressive drug used, no statistically significant differences were found between the patients’ groups with elevated blood pressure values. CONCLUSION: The prevalence of hypertension in renal transplant recipients treated with CsA and Tac is similar. The fatty acid profile in phospholipids fraction depends on the blood pressure and the immunosuppressant used.
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