Browsing by Author "Yilmaz D."

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    The use of intermittant dose azithromycin in children with sinusitis; [Çocukluk çaǧinda akut si̇nüzi̇t tedavi̇si̇nde i̇ntermi̇ttant doz azi̇tromi̇si̇n kullanimi]
    (2001) Yüksel H.; Coşkun Ş.; Demir E.; Ikizoǧlu T.; Yilmaz D.; Onaǧ A.; Tanaç R.
    Aim: Antibiotic selection and the duration of its use are two of the most important factors that affect the prognosis of children with sinusitis. New effective antibiotherapy strategies with higher dose and short usage interval in children with sinusitis are needed because compliance to drug usage is difficult in childhood. In this study we aimed to compare 'single dose intermittent usage' of azithromycin (AZT) therapy and 'two doses per day for 15 days usage' of amoxisilin-clavunate (AMK) in the treatment of children with acute maxillary sinusitis. Material and Method: Sixty-one children diagnosed as having maxillary sinusitis (between 5 and 14 years old) were enrolled into study. Twenty-nine children were treated using single daily dose of AZT for five days. After a treatment- free period for 5 days, the drug was readministered for five days. Thirty-two children were treated using two doses of AMK for fifteen days. Clinical signs, symptom scores of sinusitis and compliance to the therapy were followed up for two weeks. Results: At the end of the first week, the mean symptom score of the AZT group was significantly lower than that of the AMK group (p<0.05). Although it was lower in AZT group, the symptom scores at the end of the second week were not significantly different between the two groups. Recovery rate from sinusitis was 93% in the AZT and 91% in the AMK group. Seven percent of the AZT group patients failed to use the total recommended dose and also 3% stopped the therapy earlier. In the AMK group, these were 24% and 15% respectively, and the difference between two groups was statistically significant (p<0.05). Satisfaction from using the drug was significantly higher in the AZT group than the AMK group. Conclusion: The therapy regimen with a single dose - intermittant usage of AZT for five days is as effective as two doses of AMK therapy for fifteen days. Furthermore, it was shown that intermittant dose AZT reduced symptom scores of sinusitis earlier. Thus, an intermittant dose of AZT recommendation may be a new, more compliant and effective therapy regiment in the treatment of children with sinusitis.
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    Evaluation of the location of the anus by a modified technique in the neonate
    (2002) Genç A.; Taneli C.; Tansuǧ N.; Kasirga E.; Yilmaz D.; Küçükoǧlu T.; Onaǧ A.
    Purpose: The aim of the current study was to bring to notice the anterior displacement of the anus and to recommend the measurement of anal position index in the neonate by a modified method. Methods: Sixty newborns (34 girls and 26 boys) were taken into study, and the anal position index (API), which is the ratio of anus-fourchette (scrotum) distance to coccyx fourchette (scrotum) distance, was measured. To obtain the measurement, a transparent adhesive tape was placed along the midline on the long axis, covering the anus. The upper and lower tips and the center of the anal circle was marked and measured using a caliber. Results: API was found as 0.46 (SD ± 0.08) and 0.53 (SD ± 0.05) in female and male neonates, respectively. Because an index of 0.34 in girls and 0.46 in boys are considered abnormal, the 3 female babies in the study group with API indices of 0.18, 0.28, and 0.33 were subjected to further examination. The abnormality was seen not to be rare in the Aegean region. Conclusions: An abnormal index alone cannot be the sole cause of constipation mentioned in the literature and therefore not an indication for operation. Anal position index in the neonates could be measured more accurately by the current modified method. If an anterior location of the anus is found early in infancy the baby should undergo follow-up accordingly. © 2002 Elsevier Science Ltd. All rights reserved.
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    Fulminant meningococcemia and acute renal failure in a 3-year-old boy
    (2004) Akil I.; Yüksel H.; Coskun S.; Yilmaz D.; Onag A.
    Acute renal failure is a common occurrence in sepsis, but is rarely reported in meningococcemia. We present a young child diagnosed with fulminant meningococcemia who had several poor prognostic factors, including hypotension, thrombocytopenia, purpura fulminans, seizures, the absence of meningitis with meningococcemia, and acute renal failure, which was successfully treated with peritoneal dialysis. Peritoneal dialysis was started on the 5th day because the patient had been anuric for 48 h. At that time, analysis showed that the child was both hypokalemic and hypophosphatemic. His serum blood urea nitrogen was 61 mg/dl, creatinine 2.75 mg/dl, potassium 2.8 mEq/l, and phosphorus 0.7 mg/dl. Urine output began on the 12th day post admission and normalization of serum creatinine was achieved on the 26th day. In conclusion, renal failure is an important complication of meningococcemia and, to be effective, sometimes long-term peritoneal dialysis is required. Profound metabolic abnormalities, such as hypokalemia and hypophosphatemia, may occur paradoxically in the presence of oliguria.
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    Septic pulmonary emboli presenting with deep venous thrombosis secondary to acute osteomyelitis
    (2004) Yüksel H.; Özgüven A.A.; Akil I.; Ergüder I.; Yilmaz D.; Çabuk M.
    [No abstract available]
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    Bone mineral density in girls and boys at different pubertal stages: Relation with gonadal steroids, bone formation markers, and growth parameters
    (2005) Yilmaz D.; Ersoy B.; Bilgin E.; Gümüşer G.; Onur E.; Pinar E.D.
    Puberty has a key role in bone development. During puberty, several nutritional and hormonal factors play a major role in this process. The aim of this study was to determine the changes in areal bone mineral density (BMD), gonadal steroids, bone formation markers, and growth parameters in healthy Turkish pubertal girls and boys at different pubertal stages. In additional, we aimed to detect the relationship between BMD, sex steroids, and growth parameters, and to reveal the most important determinant of BMD in the pubertal period. BMD of the lumbar spine and total body was performed by dual-energy X-ray absorptiometry (Lunar DPX series) in 174 healthy pubertal children (91 girls, 83 boys), aged 11-15 years. Height and weight were measured. Pubertal stages were assesed. Bone formation markers and gonadal steroids were measured. BMD values significantly increased until stage IV in girls. In boys, BMD values also increased during puberty (P < 0.05), but it was significantly higher in stage IV compared with that in other pubertal stages (P < 0.01). Testosterone levels increased until stage IV in both sexes, particularly in boys. Estrogen levels significantly increased during puberty in girls, whereas it was significantly higher at stage IV in boys (P < 0.001). Bone-specific alkaline phosphatase (BAP) level was higher in early and midpuberty, and decreased in late puberty in girls (P < 0.001). BAP level was higher in stage IV in boys. Osteocalcin level was shown not to change significantly in pubertal stages. There was a modest correlation between BMD values and estrogen and testosterone levels in boys. In girls, there was a correlation between BMD values and estrogen levels only (P < 0.05). Weight was significantly associated with BMD in both sexes (P < 0.05). Estrogen had a significant influence on BMD in boys and girls. In conclusion, bone mass increased throughout puberty in both sexes. Peak bone mass was not achieved in girls, but was obtained at stage IV in boys. Bone formation markers were good predictors of bone mass in girls, but not in boys. Estrogen level made the greatest contribution to bone mineral acquisition in boys and girls. The achievement of peak bone mass was sustained by estrogen in boys. The major independent determinant of BMD in both sexes was weight. © Springer-Verlag 2005.
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    The effect of seasonal changes on blood pressure and urine specific gravity in children living in Mediterranean climate.
    (2006) Polat M.; Akil I.; Yuksel H.; Coskun S.; Yilmaz D.; Erguder I.; Onag A.
    BACKGROUND: We aimed to evaluate the effects of seasonal changes on urinary specific gravity, blood pressure and urinary erythrocyte number in children living in Mediterranean climate. MATERIAL/METHODS: The study was conducted on 547 children who presented for routine follow up to healthy-child care department between January 1997 and December 2002. Age, sex, weight, height, blood pressure, urinary specific gravity and urinary erythrocyte number were recorded by retrospective evaluation of files. Then, the parameters during summer were compared with those during winter. Additionally, correlation between the blood pressure, urinary specific gravity and urinary erythrocyte number was assessed separately during summer and winter. RESULTS: Anthropometrical measurements and mean age of the patients in summer and winter groups were similar. There was no significant change in urinary specific gravity (p > 0,05), while systolic and diastolic blood pressures were significantly higher in winter (p = 0.031 and p = 0.028 respectively). Temperature and humidity levels did not change significantly among different years but mean air temperatures during summer positively correlated with time from 1997 till 2002 (r = 0.965, p = 0.002). Blood pressure and urinary specific gravity were not correlated to each other at any time. Contrarily, there was a positive correlation between urinary specific gravity and erythrocyte number in summer (p = 0.01). The number of children with hematuria and degree of hematuria did not differ significantly between summer and winter. CONCLUSIONS: Seasonal changes in Mediterranean climate do not lead to changes in hydration status or in urinary erythrocyte number in children. Therefore, the decrease in blood pressure during summer can not be attributed to the hydration status.
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    Evaluation of 601 children with multisystem inflammatory syndrome (Turk MISC study)
    (Springer Science and Business Media Deutschland GmbH, 2023) Yilmaz D.; Ekemen Keles Y.; Emiroglu M.; Duramaz B.B.; Ugur C.; Aldemir Kocabas B.; Celik T.; Ozdemir H.; Bayturan S.; Turel O.; Erdeniz E.H.; Cakici O.; Cakmak Taskin E.; Erbas İ.C.; Genceli M.; Sari E.E.; Caymaz C.; Kizil M.C.; Sutcu M.; Demirbuga A.; Alkan G.; Bagcı Z.; Timurtas Dayar G.; Ozkan E.A.; Tekin Yilmaz A.; Akca M.; Yesil E.; Kara S.S.; Akturk H.; Yasar B.; Umit Z.; Uygun H.; Erdem N.; Buyukcam A.; Karadag Oncel E.; Tuter Oz S.K.; Cetin H.S.; Anil A.B.; Yilmaz R.; Zengin N.; Uzuner S.; Albayrak H.; Borakay O.; Topal S.; Arslan G.; Yazar A.; Ozer A.; Kendirli T.; Kara E.M.; Demirkol D.; Battal F.; Kosker M.; Metin Akcan O.; Kihtir H.S.; Gul D.; Zararci K.; Alakaya M.; Kula N.; Celik E.; Petmezci E.; Evren G.; Kara Aksay A.; Konca C.; Sert A.; Arslan D.; Bornaun H.; Tekeli O.; Bal A.; Sahin I.O.; Demir S.; Sap F.; Akyol M.B.; Tanidir I.C.; Donmez Y.N.; Ucar T.; Coban S.; Arga G.; Hancerli Torun S.; Karpuz D.; Celik S.F.; Varan C.; Elmali F.; Oncel S.; Belet N.; Hatipoglu N.; Dalgic Karabulut N.; Turgut M.; Somer A.; Kuyucu N.; Dinleyici E.C.; Ciftci E.; Kara A.
    Purpose: Due to its link with the 2019 coronavirus, the multisystem inflammatory syndrome in children (MISC) has garnered considerable international interest. The aim of this study, in which MISC patients were evaluated multicenter, and the data of the third period of the Turk-MISC study group, to compare the clinical and laboratory characteristics and outcomes of MISC patients who did and did not require admission to an intensive care unit (ICU). Methods: This retrospective multicenter observational study was carried out between June 11, 2021, and January 01, 2022. The demographics, complaints, laboratory results, system involvements, and outcomes of the patients were documented. Results: A total of 601 patients were enrolled; 157 patients (26.1%) required hospitalization in the intensive care unit (ICU). Median age was 8 years (interquartile range (IQR) 4.5–11.3 years. The proportion of Kawasaki disease-like features in the ICU group was significantly higher than in the non-ICU group (56.1% vs. 43.2% p = 0.006). The ICU group had considerably lower counts of both lymphocytes and platelets (lymphocyte count 900 vs. 1280 cells × μL, platelet count 153 vs. 212 cells × 103/ μL, all for p< 0.001). C-reactive protein, procalcitonin, and ferritin levels were significantly higher in the ICU group (CRP 164 vs. 129 mg/L, procalcitonin 9.2 vs. 2.2 μg/L, ferritin 644 vs. 334 μg/L, all for p< 0.001). Being between ages 5–12 and older than 12 increased the likelihood of hospitalization in the ICU by four [95% confidence intervals (CI)1.971–8.627] and six times (95% CI 2.575–14.654), respectively, compared to being between the ages 0–5. A one-unit increase in log d-dimer (µg/L) and log troponin (ng/L) was also demonstrated to increase the need for intensive care by 1.8 (95% CI 1.079–3.233) and 1.4 times (95% CI 1.133–1.789), respectively. Conclusion: By comparing this study to our other studies, we found that the median age of MISC patients has been rising. Patients requiring an ICU stay had considerably higher levels of procalcitonin, CRP, and ferritin but significantly lower levels of lymphocyte and thrombocyte. In particular, high levels of procalcitonin in the serum might serve as a valuable laboratory marker for anticipating the need for intensive care. What is Known: • Lymphopenia and thrombocytopenia were an independent predictor factors in patients with MISC who needed to stay in intensive care unit. • The possibility of the need to stay in the intensive care unit in patients with MISC who had Kawasaki disease-like findings was controversial compared with those who did not. What is New: • A one-unit increase log D dimer and log troponin was demonstrated to require for intensive care unit by 1.8 and 1.4 times, respectively. • Serum procalcitonin levels had the best performance to predict stay in the intensive care unit stay. © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.