PubMed İndeksli Yayınlar Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/11727/4810
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Item Abnormal circadian blood pressure regulation in children with nocturnal enuresis(2016) Yuce, Ozge; Bayrakci, Umut Selda; Gulleroglu, Kaan; Baskin, Esra; 27056252Introduction: To investigate autonomic nervous system function in enuretic children by performing ambulatory blood pressure monitor (ABPM) for 24h. Methods: Twenty-eight children ranging in age from 6 to 15 years with primary nocturnal enuresis and 27 age-matched healthy controls were enrolled and they get 24h ABPM. Hypertension was defined as standard deviation score (SDS)>1.64 (i.e., >95th percentile) adjusted for gender and height. Urinalysis, urine electrolyte levels, urinary culture, and urinary system ultrasound were carried out in all children. They have also requested to have a diary about daily fluid intake and urine volume. Results: Although the mean 24-h and daytime diastolic blood pressure (BP) did not differ between the groups, systolic BP (SBP) was significantly higher in enuretic children (p<0.05). The mean night-time SBP, DBP values, SDS and BP loads were found to be significantly higher than those in the controls (p<0.01). A lack of nocturnal decrease was more prevalent in the enuretic children compared with the control subjects, the difference was statistically significant for DBP but not for SBP. Patients with elevated night-time BP load was found to have higher frequency of urinary incontinence per week as well as per night when compared with enuretic children with normal night-time BP load (r=0.72, r=0.69, p<0.01, respectively). Conclusion: Subtle abnormalities of circadian BP regulation in enuretic children indicated by a selective elevation of nocturnal SBP, DBP, and MAP, and attenuated nocturnal dipping may reflect sympathetic hyper activation and its possible role in pathogenesis of enuresis.Item Micronuclei and other nuclear anomalies in buccal epithelial cells of children with chronic kidney disease(2016) Baskin, Esra; Aykanat, Banu; Demircigil, Gonca Cakmak; Buyan, Necla; Gulleroglu, Kaan; Fidan, Kibriya; Bayrakci, Umut Selda; Dalgic, Aydin; Karakayali, Hamdi; Haberal, Mehmet; Burgaz, Sema; 0000-0003-1434-3824; 0000-0003-4361-8508; 0000-0002-3462-7632; 28033104; B-5785-2018; AAJ-8833-2021; AAJ-8097-2021The objective of this study was to reveal the likely genomic instability in children with chronic kidney disease (CKD) using micronucleus (MN) assay on buccal epithelial cells (BEC). We investigated the frequencies of micronuclei and other nuclear anomalies, such as nuclear buds, binucleated cells, condensed chromatin, and karyorrhectic and pyknotic cells in BEC. Children with CKD were grouped as follows: children in the pre-dialysis (PreD) stage (N=17), children on regular haemodialysis (HD) (N=14), and children who have undergone transplantation (Tx) (N=17). As a control group, twenty age-and gender-matched healthy children were selected. The MN frequency in BEC of all groups of children with CKD was significantly elevated (5-to 7-fold) as compared to the control group (p<0.001). In contrast, the frequencies of nuclear buds were not significantly higher in the study groups compared to the control group. The frequencies of binucleated cells and condensed chromatin cells were significantly higher in all subgroups of children with CKD relative to the control group (p<0.001). Our results show that the BEC of pediatric PreD, HD, and Tx patients with CKD display increased cytogenetic, cytokinetic, and cytotoxic effects. They also point to the sensitivity and usefulness of the BEC MN assay in the assessment of genetic susceptibility of patients with CKD.