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Nejra Prohić

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Nejra Mlaco-Vrazalic, A. Subo, N. Prohic, Mirza Skalonja, Ada Djozic, Izeta Kurbasic, Sejla Biscevic, E. Begić

Introduction: Transthyretin amyloid cardiomyopathy (ATTR-CM) can be diagnosed in the absen-ce of histology with typical echocardiographic fi ndings and skeletal scintigraphy showing grade 2 or 3 myocardial tracer uptake, when clonal plasma cell dyscrasia is excluded. Aim: To present a patient diagnosed with ATTR-CM, who was hospitalized with clinical signs of congestive heart failure. Case Report: An 84-year-old man was hospitalized with clinical signs of heart failure. Echocardiography showed concentric left ventricular hypertrophy (LVH) with reduced systolic function, along with impaired LV global longitudinal strain (GLS) with apical sparing (-9.9%). Serum and urine protein electrophoresis with immunofi xation were obtained and were negative for plasma cell dyscrasia. Bone scintigraphy showed similar radiotracer uptake in the myocar-dium and ribs (Perugini grade 2). The diagnosis of ATTR-CM was confi rmed. Conclusion: ATTR-CM is an underdiagnosed condition and should be suspected in patients with heart failure and unexplained LVH.

Some of the conditions which occur in maintenance hemodialysis (MHD) patients with a high incidence resulting in a decline in their quality of life, include malnutrition, renal osteodystrophy, refractory hypertension and chronic systemic inflammation. In developing countries, due to the low level of economic development, low-flux dialysis is the main means of extracorporeal blood purification therapy. But it can hardly remove the middle and large molecule uremic toxins and protein-bound toxins; as a result, the patients suffer from long-term complications and poor quality of life. In this study, we attempted to investigate whether the combination of maintenance hemodialysis (MHD) with hemoperfusion (HP) could improve the clearance rate of middle and large molecule uremic toxins so as to improve their uremic complications. A total of 54 patients, who underwent routine hemodialysis, were assessed in this study. Those patients were randomly divided into two groups: Group 1 (27 patients) received combined treatment of HD with hemoperfusion (HP) in this regimen: HD 2 times a week with HD+HP once a week two times in a row, then after two weeks, and afterwards once a month as a maintenance treatment. Group 2 (27 patients) was only undergoing maintenance HD 3 times a week. The clinical and laboratory properties of both groups were followed up for 18 months, whereas the primary outcomes included normal clinical data, high sensitive C-reactive protein (hsCRP), immunoreactive parathyroid hormone (iPTH), phosphorus (P04), calcium (Ca), albumin, iron (Fe), total iron binding capacity (TIBC), hemoglobin, Epo doses and types of hypertensive drugs. At the end of the 18-month observation, the serum concentration of albumin, P04, hsCRP, systolic blood pressure (SBP) and diastolic blood pressure (DBP) were lower with Group 1 than with Group 2 (p<0.05). Whereas, higher levels of iPTH were noticed in group 1, but when the laboratory and clinical data are analysed of the group 1 alone a statistically significant lower values after the observational period are noticed especially in the serum values of iPTH (p<0.05), P04 (p<0.001), CRP (p<0.011), SBP and DBP (p<0.05). HD+HP was superior to HD in regularly eliminating middle and large molecule uremic toxins accumulated in the body which is mostly shown through reducing the values of iPTH and hsCRP. These findings suggest a potential role for HD+HP in the treatment of inflammation and renal osteodystrophy as well, because lowering these values of iPTH leads to a normalization of other minerals which is expected and therefore leads to a stabilization of this long-term uremic complications, which can improve the overall general condition of the MHD patient.

The occurance of mid- and longterm uremic complications is related to the low clearance rate of middle and large molecule uremic toxins when hemodialysis (HD) alone is adopted. As the uremic toxins and their corresponding biological effects become increasingly clear, blood purification treatment that aims to remove these toxins, has developed from a stage of life-sustaining to improving the quality of life. The objective of this study was to evaluated demographic, clinical and laboratory data in patients who underwent the combination of maintenance hemodialysis with hemoperfusion (HP) and in those who recieved HD alone and to investigate whether this combination could improve the clearance rate of middle and large molecule uremic toxins. A total of 26 patients, who underwent routine hemodialysis, were assessed in this study. Those patients were randomly divided into three groups: Group 1 (7 patients) received combined treatment of HD with HP biweekly (HD 2 times a week with HD+HP once a week), whereas Group 2 (10 patients) was given HD with high flux dialyzer and Group 3 (9 patients) was given HD with low flux dialyzer 3 times a week. This study was followed for 4 months. Before and after the observational period demographic and clinical data were taken from the medical history and blood samples were taken for hemoglobin (Hb), iron (Fe), total iron binding capacity (TIBC), albumin (Alb), calcium (Ca), phosphorus (P04) and parathyroid hormone (PTH). This study included 13 female and 13 male patients with a mean age of 41, 62 + 11.12 and a mean dialysis duration of 62, 78+53, 33 months. When it comes to baseline characteristics, patients of the group 3 were significantly older than patients in other groups (p=0.001). At the end of the four months observation period, the same difference according to age was noticed (p=0.01). Also, HD+HP group had significantly higher values of TIBC (p=0.006) and significantly lower serum levels of P04 (p=0.001). EPO doses were very similar in group 1 and 2, but in group 3 there were noticeably lower than in those two groups but without a significant difference. The serum levels of albumin were higher in group 3 compared to the other two groups but also without statistical difference. No statistical difference between groups after the follow up period was observed in terms of Hb, Fe, PTH, Ca, BMI, duration of dialysis treatment and vascular access. When groups are viewed individually, in the HD+HP group serum P04 levels were significantly lower after the 4 months off the follow up period than it was at the beginning (p=0.031) and also TIBC was significantly higher (p=0.018). In group 2 the values of TIBC were significantly lower after the follow up period than it was at the beginning (p=0.025). No significant difference was noticed in group 3 but serum PTH levels tends to decrease after 4 months compared to baseline measurement. This combination treatment of HD with HP was superior to HD in reducing levels of phosphorus. These findings suggests a potential role of reducing the risk of cardiovascular events in this population especially when it is known that hyperphosphatemia has been pointed out as the primary culprit in the process of cardiovascular calcification. Also, patients who underwent the combined treatment showed higher values of TIBC but unfortunately no difference was noticed between Hb levels and EPO doses. These results eventually demonstrates their role in the improvement of renal disease anemia, which opens up the possibility of further research on a larger sample and over a longer period of time.

Introduction: Calciphylaxis is a rare, but serious, kidney complication. Calciphylaxia is a vasculopathy of small blood vessels characterized by the deposition of calcium deposits in intimal arterioles with the consequent proliferation of intima, fibrosis and thrombosis. Aim: The aim was to show the significance of recognition of calciphylaxis relies on heightened clinical awareness of the presence of atypical skin nodules or ulcers that occur in patients with hemodialysis dependence and to characterize features of calciphylaxis or components of treatment that may lead to improved outcome. Case report: We present the case of 84-year-old woman with chronic kidney disease and diabetes mellitus as well as severely painful, firm, indurated plaques on the lower extremities. The plaques progressed to involve larger areas with associated local ulceration and necrosis. Laboratory testing revealed hyperparathyroidism and incisional skin biopsy confirmed calciphylaxis. Wound microbiology confirmed Staphylococcus aureus. Conclusion: The diagnosis can be based on clinical grounds, supported by histological analysis if possible. The laboratory workout must cover all the possible implications of chronic kidney disease with special attention to Ca+ and P+ values and evidence of skin or systemic infection. Calciphylaxis must be known by dermatologist as early diagnosis and proper management can be decisive for better prognosis.

C. Torino, L. Gargani, R. Sicari, K. Letachowicz, R. Ekart, D. Fliser, A. Covic, K. Siamopoulos, Aristeidis Stavroulopoulos et al.

Introduction: Plasmapheresis is often used as a therapy in the treatment of thrombotic thrombocytopenic purpura (TTP). TTP is manifested in thrombotic microangiopathy, consumed thrombocytopenia, hemolytic anemia and acute kidney injury with HUS development, neurologic dysfunction, and fever. Case report: we will present a case of a patient with acute kidney injury and refractory TTP at the beginning of hospitalization, subsequently manifested in secondary nephrotic syndrome. The patient was a female, 39 years of age, who as an emergency case was referred from the hospital in East Sarajevo to the Clinic of Endocrinology, Diabetes and Metabolism Disorders of the Clinical Center University of Sarajevo with suspected TTP. A few days before hospitalization she had a fever and vomiting, and therefore consulted her physician. She was hospitalized due to severe general condition, generalized edema, visible body hematomas, and diuresis amounting to 600 ml/12 hours. Laboratory results on admission were as follows: Leukocytes 19.5, Erythrocytes 3.23, Hemoglobin 103, Hematocrit 28.8%, Platelets 65.4 with few schistocytes and 2 reticulocytes, Sodium 140 mmol/L,, Potassium 4.5 mmol/L, Calcium 1.90 mmol/L, Glucose 7.9 mmol/L, Urea 37.5 mmol/L, Creatinine 366 umol/L,, Bilirubin 19.0 umol/L, Lactate dehydrogenase 1194 U /L. The patient was communicative, in cardiopulmonary sufficient state. Central venous catheter was placed in the right jugular vein and the first plasmapheresis was performed. During the hospitalization 38 plasmapheresis treatments with frozen plasma were performed, followed by three Rituximab treatment cycles. After the last plasmapheresis treatment a platelet count was 138. Also, parameters of the renal function were in their referent values. At the beginning of the treatment proteinuria was 19.6 g/24 hours urine. We were faced with a dilemma whether renal biopsy should be repeated in the future given that it might be the case of primary and not secondary nephrotic syndrome. Controlled proteinuria was 4.7g after plasmapheresis. The patient used only Prednisolone at a dose of 10 mg daily and although initially diagnosed with acute kidney injury she was not treated with dialysis. Conclusion: early diagnosis and early start of plasmapheresis therapy is vital for treatment of patients with acute kidney injury and TTP (HUS). A small number of patients is refractory to plasmapheresis and introducing Rituximab and plasmapheresis treatment is recommended.

Hemodialysis (HD) is the most frequently used form of renal replacement therapy for many patients with end-stage renal disease (ESRD). One of the leading causes of morbidity and mortality in HD patients is cardiovascular disease (CVD). In 1998, the National Kidney Foundation reported that, at er stratifying for age, race, and gender, mortality from CVD in HD patients was 10-30 times greater than in the general population (1). Despite the neutral ef ect, HD is associated with a number of biochemical abnormalities including dyslipidemia and oxidative stress. Renal dyslipidemia is caused by certain dialysis-related parameters, which may signii cantly af ect lipoprotein metabolism and modify the composition of plasma lipoproteins. It appears that a reduced catabolism and clearance of Apo B-containing lipoproteins of hepatic and intestinal origin constitutes the main abnormality. SUPEROXIDE DISMUTASE ACTIVITY AND SERUM LIPID PROFILE IN HEMODIALYSIS PATIENTS

Abstract Introduction. Bone disease is a chronic complication of chronic kidney disease and major clinical problem in hemodialysis (HD) patients. The aim of our study was to assess the influence of treatment longevity on biochemical parameters of mineral and bone metabolism in HD patients, and to identify the most important parameters. Methods. The research was observational and retrospective, involved 70 patients, mean age 58.69±12.54, divided into groups in respect to the duration of dialysis treatment (Group I-5 years, Group II-5-10 years and Group III-over 10 years). Results. Serum phosphorus was increased, but the values tend to increase along with dialysis duration - (Group I: 1.93±0.45; Group II: 1.97±0.50; Group III: 2.01±0.37; p>0,05). Calcium values were also not significantly increased based on the duration of treatment [Group I: 2.3 (2.2-2.41); Group II: 2.46 (2.15-2.6), Group III: 2.35 (2.10-2.52)]. Dialysis and PTH correlated positively in the first group of patients (Rho=0.470, p=0.013). The values of calcium and alkaline phosphatase correlated positively in all patients (Rho=0.351, p=0.003). PTH was significantly higher in the second and third compared to the first group (p=0.009 and p=0.038, respectively), and there was no significant difference between the second and the third group. Interestingly, parathyroidectomized patients had higher PTH values compared to those without parathyroidectomy (557 vs. 359 pg/ml). Conclusion. The most reliable marker for clinical monitoring of bone disease in dialysis patients is PTH. The values of calcium and phosphorus are highly variable and not reliable parameters for bone disease follow-up.

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