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Featured researches published by Yıldız Dallar.


Journal of Tropical Pediatrics | 2004

The probiotic effect of Saccharomyces boulardii in a pediatric age group.

Omer Erdeve; Ülkü Tıraş; Yıldız Dallar

The aim of this study was to determine the efficacy of S. boulardii in diarrhea associated with commonly used antibiotics such as sulbactam-ampicillin (SAM) and azithromycin (AZT). Four hundred and sixty-six patients were assigned to four different groups as follows: group 1:117 patients receiving SAM alone; group 2:117 patients receiving SAM and S. boulardii, group 3:105 patients receiving AZT alone; group 4:127 patients receiving AZT and S. boulardii. Antibiotic-associated diarrhea was seen in 42 of the 222 patients (18.9 per cent) receiving an antibiotic without the probiotic, and in 14 of the 244 patients (5.7 per cent) who received both the probiotic and the antibiotic (p < 0.05). In the group receiving SAM where S. boulardii use was found to be significant, the use of S. boulardii decreased the diarrhea rate from 32.3 to 11.4 per cent in the 1-5 years age group (p < 0.05). This is a pioneering study investigating combined antibiotic and probiotic use in pediatric diarrhea patients.


The Journal of Pediatrics | 2009

Interventions to Reduce Pain during Vaccination in Infancy

Dilek Dilli; İzzet Göker Küçük; Yıldız Dallar

OBJECTIVE To investigate interventions that affect pain reduction during vaccination in infants and children attending a well-child unit. STUDY DESIGN A consecutive sample of 243 children between age 0 and 48 months receiving their routine vaccinations was randomly assigned to 1 of the study groups. A total of 158 infants under age 6 months were randomly assigned to breast-feeding or no breast-feeding during immunization, and 85 children age 6 to 48 months were randomly assigned to receive 12% sucrose solution, lidocaine-prilocaine cream, or no intervention. All children were evaluated for crying time and pain score by a pediatrician using the Neonatal Infant Pain Scale (NIPS) for those under age 12 months and the Childrens Hospital of Eastern Ontario Pain Scale (CHEOPS) for those over age 12 months. RESULTS Breast-feeding in infants under age 6 months and use of sucrose or lidocaine-prilocaine in children age 6 to 48 months significantly reduced crying time and pain scores compared with controls. No difference in outcome was seen between the sucrose and lidocaine-prilocaine treatment groups. CONCLUSIONS Here we expand on previous findings by demonstrating that breast-feeding may have an analgesic effect up to age 6 months and that in older children, both sucrose and lidocaine-prilocaine reduce vaccination pain.


Journal of Medical Virology | 2008

Diversity of human rotavirus G9 among children in Turkey

Gulendam Bozdayi; Bora Dogan; Buket Dalgic; İlknur Bostancı; Sinan Sari; Nergis Oner Battaloglu; Seyyal Rota; Yıldız Dallar; Akira Nishizono; Osamu Nakagomi; Kamruddin Ahmed

Between September 2004 and December 2005 a prospective study was conducted to understand the epidemiology of rotavirus infection among children with diarrhea attending two hospitals in Ankara, Turkey. Rotavirus was detected in 39.7% of the 322 stool samples and affected mainly children in the age group of 6–23 months. More than 70% and 39% of these cases occurred in children <2 and <1 year of age, respectively. In the temperate climate of Ankara rotavirus infection was prevalent throughout the year. Serotype G1P[8] was dominant followed by G9P[8]. In 38 samples a total of 5 electropherotypes were detected. All G9P[8] were of long electropherotype except one of short electropherotype. A proportion of G1 and G9 strains were in combination with P[6], P[4] or P nontypable. Mixed serotypes were responsible for 2.4% of the infections. A phylogenetic tree constructed with the deduced amino acid sequences of the VP7 gene showed that 16 Turkish G9 strains clustered with rotaviruses of lineage III. One G9 strain formed a new lineage, lineage IV with the Sri Lankan G9 rotaviruses. In the phylogenetic tree of the VP8* gene, the Turkish G9P[6] rotaviruses clustered with human strains of lineage Ia. Increased diversity of the G/P type combination and the presence of infection throughout the year in Turkey was a situation similar to developing countries. The occurrence of rotavirus infection at later age and low level of mixed infections in Turkey represented the situation of developed countries. This study suggests that diverse G9 rotaviruses are emerging in Turkey. J. Med. Virol. 80:733–740, 2008.


Pediatric Dermatology | 2004

An Infantile Cushing Syndrome Due to Misuse of Topical Steroid

Zeynep Siklar; Ilknur Bostanci; Ozlem Atli; Yıldız Dallar

Abstract:  Chronic low‐dose exogenous steroid therapy in children can result in hypothalamic‐pituitary‐adrenal axis dysfunction. However, the development of Cushing syndrome from topical steroid therapy is unusual. A 9‐month‐old girl with a diagnosis of Cushing syndrome caused by long‐term topical clobetasol propionate application was evaluated. The patient was found to have severe adrenal suppression. Limiting the use of steroid‐containing drugs, prescription of less potent agents, especially during infancy, and warning of parents about potential side effects are very important.


Journal of Tropical Pediatrics | 2001

Multiple dose IVIG treatment in neonatal immune hemolytic jaundice.

Gülten Tanyer; Zeynep Siklar; Yıldız Dallar; Yıldız Yildirmak; Ülkü Tıraş

Isoimmune hemolytic jaundice due to ABO and Rh blood group incompatibility is an important problem in the neonatal period. Intravenous immune globulin (IVIG) treatment in isoimmune jaundice has been shown to be effective, but the response to treatment is variable. In this study, the effect of multiple doses IVIG therapy versus single dose MG therapy was investigated in 61 babies who had ABO and Rh hemolytic disease. Patients were divided into three groups. Group I received multiple dose IVIG treatment, group II received single dose MG treatment, and group III was not given any IVIG. All three groups received phototherapy. No exchange transfusion was needed in group I. The rate of exchange transfusion was 12 per cent in group II and 33 per cent in group III. Duration of phototherapy was shorter in group I than in groups II and III. It was concluded that IVIG treatment reduces the need of exchange transfusion in neonatal isoimmune hemolytic jaundice by lowering hemolysis. Multiple doses IVIG treatment appears to be better at blocking ongoing hemolysis.


Pediatrics International | 2005

Diurnal variation of height in children

Zeynep Siklar; Efgan Sanli; Yıldız Dallar; Gülten Tanyer

Abstract  Background : Diurnal variation of height is largely ignored in the assessment of growth in children. Diurnal decrease in stature may effect the reliability of height measurement. In this study, the degree of differences in daily height measurement were evaluated.


Journal of Tropical Pediatrics | 2003

Zinc deficiency: a contributing factor of short stature in growth hormone deficient children

Zeynep Şıklar; Ceyda Tuna; Yıldız Dallar; Gülten Tanyer

Zinc is an essential trace element which affects growth by promoting DNA and RNA synthesis and cell division. Zinc deficiency causes growth retardation and its frequency is high in developing countries. It could contribute to the effect of growth hormone (GH) treatment in GH deficient children. In this study, we investigated zinc deficiency in GH children. Twenty-four GH deficient children (treated with GH for 2.2 +/- 1.6 years) were recruited for the study. Intracellular erythrocyte zinc levels were measured. Eleven (45.9 per cent) were found to be zinc deficient (Group 1), while 13 patients (54.1 per cent) had normal zinc levels (Group 2). The mean growth velocity was 5.98 +/- 0.8 cm/year in Group 1 and 6.9 +/- 1.4 cm/year in Group 2. Group 2 was given oral zinc supplementation with a resultant growth velocity of 7.51 +/- 0.5 cm/year. During GH treatment in GH deficient children, zinc status should be evaluated as severe zinc deficiency could affect the response to GH treatment.


Pathophysiology of Haemostasis and Thrombosis | 2009

An experience of oseltamivir phosphate (tamiflu™) in a pediatric patient with chronic idiopathic thrombocytopenic purpura: a case report.

Bulent Alioglu; Aysin Tasar; Cinar Ozen; Beray Selver; Yıldız Dallar

We report a pediatric patient with chronic idiopathic thrombocytopenic purpura who suffered from an influenza A (H1N1) virus infection. A 13-year-old girl presented with fever, coughing, and generalized petechiae. The influenza A antigen was positive in her pharyngeal aspirate. She was successfully treated with neuraminidase inhibitor oseltamivir phosphate. Her platelet counts progressively increased with oseltamivir phosphate without another blood product or agent. We suggest that oseltamivir phosphate can be used in patients with immune thrombocytopenic purpura who present with influenza virus A infection. We also suggest that oseltamivir phosphate can be effective in patients with immune thrombocytopenic purpura. Large study groups are needed to confirm the relationship between idiopathic thrombocytopenic purpura and neurominidase inhibitors.


Journal of Tropical Pediatrics | 1997

Heights and Weights of Primary School Children of Different Social Background in Ankara, Turkey

I. Nebigil; S. Hizel; Gülten Tanyer; Yıldız Dallar; Turgay Coskun

A cross-sectional anthropometric survey was carried out in a low socio-economic and high socio-economic region of Ankara, Turkey, to measure the weights and heights of school children. The study group consisted of 5289 children between the ages of 5 and 11 years. Both boys and girls from the high socio-economic group had superior body measurements compared to those of the low socio-economic group. The difference between the mean weight for age values of two groups was statistically significant (P < 0.05), whereas no statistically significant difference was found on the basis of height for age values among all age groups. To make a comparison both with National Centre for Health Statistics and World Health Organisation (NCHS-WHO) standards and Turkish standards we used the data from high socio-economic group only. Our results showed that the mean height and weight values of boys and girls were higher than the 50th centile height and weight values of NCHS-WHO standards. Almost 25 years have passed since the measurements of Turkish standards were taken. The height differences were in the range of 0.24-1.51 cm/decade, with a mean value of 0.96 cm/ decade. These results led us to conclude that, local/regional standards for height and weight are needed, and repeated assessments are useful for follow-up of populations.


Pediatric Dermatology | 2005

Debridement via Collagenase Application in Two Neonates

Ülkü Tıraş; Omer Erdeve; Ayse Anil Karabulut; Yıldız Dallar; H. Meral Eksioglu

Abstract:  Slow‐healing wounds contain insufficient amounts of intrinsic collagenases to provide sufficient wound debridement, so that the use of products containing synergistic collagenases and proteases may be helpful. We report the successful use of collagenase clostridipeptidase A in two newborns, a premature infant with 3rd degree burns, and a term neonate with an extravasation necrosis caused by calcium gluconate. Surgical excision of necrotic tissue is a serious intervention and prolongs the duration of hospitalization. Enzymatic eschar removal may have an advantage over surgery especially in newborns with a high risk for surgery, with its possible complications, need for anesthesia, and perhaps for blood transfusion.

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Zahide Yalaki

Turkish Ministry of Health

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Enver Simsek

Abant Izzet Baysal University

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