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Ten-year prevalence of fungal peritonitis in the city of Nis, South Serbia

100%

Tasic S. , Miladinovic-Tasic N. , Djordjevic J. , Pesic S. , Avramovic M.

Open Medicine

2010

tom 5

nr 1

49-52

Fungal peritonitis is a rare but serious complication in patients with chronic renal failure on continuous ambulatory peritoneal dialysis (CAPD). The purpose of this study was to report the prevalence of fungal peritonitis in patients on CAPD in the Clinical Center-Nis (South Serbia) in the period from 1997 until the end of 2007. Fungal species were isolated in 66 cases (4.5%) of 1471 peritoneal fluid (PF) samples that we examined. During the study period, 22 (1.5%) cases of fungal peritonitis were registered. In 19 cases, Candida isolates were identified, Candida albicans (C. albicans) being the most common species (n=15). Two cases of fungal peritonitis caused by Aspergillus fumigatus and 1 possible case caused by Cladosporium cladosporioides (Cl. cladosporioides) were also detected.

Adipocytes derived fibrinolytic components in peritoneum - a pilot study

75%

Opatrna S. , Korabečná M. , Křížková V. , Tonar Z. , Kočová J. , Mullerová D.

Open Medicine

2012

tom 7

nr 5

604-609

The proteins of the fibrinolytic system - urokinase plasminogen activator(uPA), tissue plasminogen activator (tPA)and plasminogen activator inhibitor type IPAI-I) - play important roles in fibrotization in various organs and including peritoneum. To study the cellular localization of PAI-1, tPA and uPA within the adipose tissue of the peritoneal membrane in patients at the onset of peritoneal dialysis(PD) we determined the initial expression of these proteins in relationship to multiple clinical variables. Methods: routinely performed parietal peritoneal biopsies in 12 patients undergoing peritoneal catheter implantation were examined. We used formalinfixed, paraffin-embedded specimens for immunohistochemical localization of these proteins along with the stereological pointcounting method for quantification of their expression within the peritoneal adipose tissue. Results: strong positive mutual correlation between the expression of PAI-1 and both uPA (SpearmanR=0.66) and tPA (R=0.59) as well as between the expression of uPA and tPA (R=0.77) was found without any relatioship to BMI, age, peritoneal transport characteristic or diabetes status. Conclusion: Adipose tissue within the peritoneum is capable of producing fibrinolysis regulators (independently on clinical parameters) thus possibly affecting the fibrotization and function of peritoneum as dialysis membrane. The effect of dialysis solution dosing, composition and other dialysis related factors should be clarified in future studies.

Factors associated with increased pulse wave velocity in peritoneal dialysis patients

75%

Stróżecki P. , Donderski R. , Grajewska M. , Marcinkowska E. , Kozłowski M. , Pollak J. , Odrowąż-Sypniewska G. , Manitius J.

Open Medicine

2010

tom 5

nr 3

381-386

Elevated pulse wave velocity (PWV) reflects increased arterial stiffness. Several studies have investigated PWV in peritoneal dialysis (PD) patients, but direct comparisons with healthy controls were not done. The potential influence of peritoneal transport characteristics on arterial stiffness in PD patients was suggested in recent studies. The aims of this study were to compare PWV in PD patients and healthy volunteers, and to investigate factors associated with increased PWV. The carotid-femoral PWV was measured in 28 PD patients and 28 healthy controls, matched for age and gender. A peritoneal equilibration test (PET) was performed in all PD patients. Based on the PET, patients were classified as: high transporters (H) (n=8), high-average (HA) (n=12), low-average (LA) (n=6), and low transporters (L) (n=2). Six of the PD patients were diabetic. PWV was significantly higher in the PD patients than in the controls (9,9±2,4 vs. 8,0±0,9; p=0,0004). In the PD group, PWV was higher in H/HA than in L/LA patients (10,4 ± 2,5 vs. 8,6 ± 1,0; p=0,008), but all the diabetic patients were in the H/HA group. PWV was significantly higher in diabetic than in non-diabetic PD patients (12,8 ± 2,0 vs. 9,1 ± 1,7; p=0,004). In the PD patients, significant positive correlations were found between PWV and: age, pulse pressure, Kt/V, and duration of PD therapy. In conclusion, the carotid-femoral PWV is elevated in peritoneal dialysis patients. Increased PWV in PD patients is associated with age, diabetic status, and longer duration of PD therapy, but not with this type of peritoneal transport.