Person: ÖZGÜR, TANER
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ÖZGÜR
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TANER
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Publication Liver involvement in congenital hypopituitarism(Springer India, 2019-05-01) Altay, Derya; Eren, Erdal; EREN, ERDAL; Özkan, Tanju Başarır; Özgür, Taner; ÖZGÜR, TANER; Tarım, Ömer; TARIM, ÖMER FARUK; Bursa Uludağ Üniversitesi/Tıp Fakültesi.; 0000-0002-1684-1053; 0000-0001-5740-9729; 0000-0002-5322-5508; AAG-8381-2021; AAG-8416-2021; JPK-3909-2023ObjectiveCholestatic jaundice in early infancy is a complex diagnostic challenge. Cholestasis caused by endocrine disease is rare and poorly recognized. The aim of this paper is to report patients with liver dysfunctions resulting from hypopituitarism.MethodsSix patients with liver dysfunction diagnosed as hypopituitarism were studied and followed up atUludag University Faculty of Medicine.ResultsThe median age of the patients at first presentation was 2.5 mo. Three patients were diagnosed with congenital hypopituitarism at the first visit, and the other three were diagnosed during follow-up. Serum aminotransferase levels were very high in two patients and only moderately elevated in the others. Combined adrenal, thyroid, and growth hormone deficiencies were diagnosed in two patients, while remaining 4 patients had various combinations of adrenal, thyroid, and growth hormone deficiencies. Liver function abnormalities resolved between 10 d and 2 mo follow-up after hormone replacement therapy.ConclusionsAbnormal liver biochemical test results due to hormonal deficiencies in infants should be considered in the differential diagnosis by pediatricians. Hormone replacement therapy is the basis of treatment.Publication Celiac disease and autoimmune hepatitis presenting with fulminant hepatic failure: A case report(Erciyes Üniversitesi, 2021-07-01) Kaptan, Kadriye Nil; Özgür, Taner; Turan, Enes; Özkan, Tanju Başarır; Özkan, Tanju Başarır; KAPTAN, KADRİYE NİL; ÖZGÜR, TANER; TURAN, ENES; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Gastroenteroloji Bölümü; CXV-7127-2022; JJX-2704-2023; JSJ-2135-2023; IGW-0111-2023Background: Fulminant hepatic failure (FHF) may be a rare presentation of autoimmune hepatitis (AIH) in previously asymptomatic adolescents. Celiac disease (CD) is a chronic immune disease that may be associated with severe forms of liver disease and coexists with AIH. We report a patient presenting with an FHF at the diagnosis of AIH and CD.Case Report: An 8-year-old female patient who had no known background or family history of liver disease was referred to our center with an FHF diagnosis. Her clinical and laboratory findings fulfilled the criteria of seronegative AIH and CD. After 7 days of starting the medical treatment, encephalopathy and liver function tests gradually improved.Conclusion: AIH and CD usually follow a chronic course and rarely coexist. However, they should be considered the etiologies of FHF and should be treated promptly.Publication The effectiveness of serum amyloid a for prediction of neonatal cholestasis associated with parenteral nutrition in premature infants(Turkish J Pediatrics, 2019-01-01) Özkan, Hilal; ÖZKAN, HİLAL; Köksal, Nilgun; Doğan, Pelin; Güney-Varal, İpek; Bağcı, Onur; Özgür, Taner; ÖZGÜR, TANER; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Pediatri Anabilim Dalı.; 0000-0002-3298-066X; 0000-0001-9308-9806; AAG-8393-2021; AAI-5981-2020; AAG-8381-2021Parenteral nutrition (PN) has been widely used in premature infants untill enteral feeding can be tolerated. Cholestasis is an important complication of PN. The objective of this study was to evaluate the role of serial measurements of serum amyloid A (SAA) during PN and compare its' effectiveness with C-reactive protein (CRP) and procalcitonin (PCT). We also aimed to determine the risk factors for PN associated cholestasis (PNAC).Premature infants (<34 weeks' gestational age) who were started on PN during hospitalization were included in this prospective study. SAA, CRP and PCT levels were measured on days 0, 3, 7, 14, and 21 of PN in all infants. Infants who had PN for less than 2 weeks, who developed sepsis and/or necrotizing enterocolitis were excluded.A total of 85 infants were included. The mean birth weight was 1226 +/- 329 g, and the mean gestational age was 29.4 +/- 1.8 weeks. The birth weight of infants who developed cholestasis were significantly lower. Enteral nutrition was started significantly later in infants with cholestasis. CRP and PCT did not correlate with conjugated bilirubin levels at any time point. SAA levels on days 7 and 14 showed a significant correlation with conjugated bilirubin levels. SAA levels on day 7 was found to have the highest sensitivity for prediction of PNAC.Low birth weight, late commencement of enteral feeding, and prolonged PN were the main risk factors for PNAC development. This is the first study that shows the predictive value of SAA for PNAC development. We suggest that SAA may be used as an accurate and useful biomarker for prediction of PNAC in high risk premature infants receiving PN.Publication The assessment of the quality of life in children with chronic liver disease(Aves, 2021-03-14) Demiral, Meliha; Özkan, Tanju Başarır; Özgür, Taner; Özkan, Bige; Eren, Gülin Erdemir; Altay, Derya; Özkan, Tanju Başarır; ÖZGÜR, TANER; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatrik Gastroenteroloji ve Hepatoloji Anabilim Dalı.; DKU-2575-2022; JLC-5143-2023Background: improvement in the quality of life (QoL) of patients with chronic diseases is as important as medical care. This study aimed to evaluate the QoL of children with chronic liver diseases and to determine related factors.Methods: For this study, 101 children with chronic liver disease, 100 healthy controls, and their parents were included. The Pediatric Quality of Life Scale (PedsQL) was used to evaluate health-related QoL; higher scores indicate better QoL. Patients were evaluated before and after initiation of treatment and being educated about their illness.Results: The mean patient age was 12.9 +/- 3.9 years. Total PedsQL scores of the patients and the healthy control group were 38.6 +/- 18.9 and 55.4 +/- 14.3, respectively (P = .01). The scores of the parents of the patient and control groups were 35.4 +/- 14.2 and 54.0 +/- 16.9, respectively (P = .02). Patient and parent scores were positively correlated. Significantly higher scores were found in the 5-10 age group compared to the 10-15 and 15-18 age groups in the psychosocial score category. An increase in the QoL scores of patients who were started on medication other than steroid treatment was observed in the sixth month of treatment (35.8 +/- 13.4 vs. 33.6 +/- 8.9, P = .01, respectively).Conclusion: Both children with chronic liver diseases and their parents have a perceived lower QoL than healthy peers. The effect of chronic liver disease on psychosocial health is more pronounced in children older than 10 years. The quality of life is inversely proportional to the severity of the disease. It was observed that primary or symptomatic treatments have a positive impact on the perception of QoL, with the exception of steroid treatment.Publication Vedolizumab treatment in a patient with x-linked agammaglobulinemia, is it safe and efficient?(Türk Pediatri Dergisi, 2019-11-01) Çekiç, Şükrü; Özgür, Taner; Karalı, Yasin; Özkan, Tanju; Kılıç, Sara Şebnem; ÇEKİÇ, ŞÜKRÜ; ÖZGÜR, TANER; KARALI, YASİN; ÖZKAN, TANJU MUNEVVER; KILIÇ GÜLTEKİN, SARA ŞEBNEM; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Sağlığı ve Hastalıkları Anabilim Dalı; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatrik Gastroenteroloji Ana Bilim Dalı; 0000-0002-9574-1842; 0000-0001-5740-9729; 0000-0001-8571-2581; AAG-8416-2021; AAG-8381-2021; AAH-1658-2021; L-1933-2017; FFS-1974-2022The loss of inflammatory regulation resulting from the absence of B-lymphocytes leads to a risk for autoimmune and autoinflammatory complications. There is no data on the use of Vedolizumab in patients with X-linked agammaglobulinemia (XLA) as well as children with another primary immunodeficiency (PID) diseases. A 4-year-old boy was admitted to our clinic with a history of recurrent respiratory tract infections. He was diagnosed with XLA based on extremely low immunoglobulins, very low level of B cells, genetic mutation of BTK gene, and family history. At the age of 8, he suffered from intermittent fever attacks, abdominal pain, weakness, oral aft, and weight loss. His clinical and laboratory features were consistent with inflammatory bowel disease. Histopathological examination of the biopsy material obtained from terminal ileum, colon and cecum showed Crohn's disease. Initially, he was treated with prednisolone and infliximab. Because of the lack of response, infliximab treatment was switched to adalimumab. Terminal ileum was resected to relieve obstruction complication. Although he had been treated with adalimumab, a significant improvement was not observed. Vedolizumab (Entyvio (TM)), a humanized monoclonal antibody alpha 4 beta 7 integrin-receptor antagonist, was commenced. After treatment with vedolizumab, his fever and abdominal pain attacks reduced, his total daily calorie intake increased and weight gain improved. He began to walk again and continued his school education properly. No side effects were observed in 18 months. This is the first immunocompromised child treated with vedolizumab. The symptoms of the patient receded and no side effect were seen during the treatment.Publication Vedolizumab treatment in patient with Xla, is it safe and efficient?(Wiley, 2018-08-01) Çekiç, Şükran; Özgür, Taner; Karalı, Yasin; Özkan, Tanju Başarır; Kılıç, S. S.; ÇEKİÇ, ŞÜKRÜ; ÖZGÜR, TANER; KARALI, YASİN; ÖZKAN, TANJU MUNEVVER; Kılıç, S. S.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Gastroenteroloji Bilim Dalı; 0000-0002-9574-1842; 0000-0001-8571-2581; AAG-8381-2021; AAH-1658-2021; GBO-8694-2022; FFS-1974-2022; IGX-1808-2023Publication The frequency of lysosomal acid lipase deficiency in children with unexplained liver disease(Lippincott, 2019-03-01) Kuloğlu, Zarife; Kansu, Aydan; Selbuz, Suna; Kalaycı, Ayhan G.; Şahin, Gülseren; Kırsaçlıoğlu, Ceyda Tuna; Demirören, Kaan; Dalgıç, Büket; Kasırga, Erhun; Önal, Zerrin; İslek, Ali; Eren, Esra; Hoşnut, Ferda Özbay; Urgancı, Nafiye; Yaman, Aytaç; Özkan, Tanju; Bozbulut, Ekşi; Doğan, Güzide; Ekşi Bozbulut, Neslihan; Doğan, Güzide; Durmaz Uğurcan, Özlem; Usta, Ayşe Merve; Arslan, Duran; Akçam, Mustafa; Isik, Ishak Abdurrahman; Ecevit, Çigdem Ömür; Usta, Yusuf; Özgür, Taner; Özçay, Figen; Balamtekin, Necati; Öztürk, Yesim; Balamtekin, Necati; Öztürk, Yeşim; Cantez, Serdar; Gülerman, Fulya; Ustundag, Gonca Handan; Emiroğlu, Halil Haldun; Karacabey, Neslihan; Comba, Atakan; Erdemir, Gülin; Aydoğan, Aysen Uncuoğlu; Gökçe, Selim; Kuyum, Pınar; Gülsan, Meltem; Tosun, Mahya Sultan; Tokgöz, Yavuz; Güven, Burcu; Yüksekkaya, Hasan; Tümgör, Gökhan; Eren, Makbule; Baran, Maşallah; Gümüş, Meltem; Canan, Oğuz; Kocamaz, Halil; Gerenli, Nelgin; Çakır, Murat; Agiı, Mehmet; Hızlı, Samil; Doğan, Yasar; Çeltik, Coşkun; Deveci, Uğur; Balcı Sezer, Oya; Natl Lal-D Study Grp; ÖZKAN, TANJU MUNEVVER; ÖZGÜR, TANER; Bursa Uludağ Üniversitesi/Tıp Fakültesi; AAG-8416-2021; AAG-8381-2021Objectives: Evidence suggests that lysosomal acid lipase deficiency (LAL-D) is often underdiagnosed because symptoms may be nonspecific. We aimed to investigate the prevalence of LAL-D in children with unexplained liver disease and to identify demographic and clinical features with a prospective, multicenter, cross-sectional study.Methods: Patients (aged 3 months-18 years) who had unexplained transaminase elevation, unexplained hepatomegaly or hepatosplenomegaly, obesity-unrelated liver steatosis, biopsy-proven cryptogenic fibrosis and cirrhosis, or liver transplantation for cryptogenic cirrhosis were enrolled. A Web-based electronic data collection system was used. LAL activity (nmol/punch/h) was measured using the dried blood spot method and classified as LAL-D(<0.02), intermediate (0.02-0.37) or normal (>0.37). Asecond dried blood spot sample was obtained from patients with intermediate LAL activity for confirmation of the result.Results: A total of 810 children (median age 5.6 years) from 795 families were enrolled. The reasons for enrollment were unexplained transaminase elevation (62%), unexplained organomegaly (45%), obesity-unrelated liver steatosis (26%), cryptogenic fibrosis and cirrhosis (6%), and liver transplantation for cryptogenic cirrhosis (<1%). LAL activity was normal in 634 (78%) and intermediate in 174 (21%) patients. LAL-D was identified in 2 siblings aged 15 and 6 years born to unrelated parents. Dyslipidemia, liver steatosis, and mild increase in aminotransferases were common features in these patients. Moreover, the 15-year-old patient showed growth failure and microvesicular steatosis, portal inflammation, and bridging fibrosis in the liver biopsy. Based on 795 families, 2 siblings in the same family were identified as LAL-D cases, making the prevalence of LAL-D in this study population, 0.1% (0.125%-0.606%). In the repeated measurement (76/174), LAL activity remained at the intermediate level in 38 patients.Conclusions: Overall, the frequency of LAL-D patients in this study (0.1%) suggests that LAL-D seems to be rare even in the selected high-risk population.Publication The diagnostic value of endoscopic narrow band imaging in helicobacter pylori gastritis in children(Aves, 2015-03-01) Özgür, Taner; Özkan, Tanju Başarır; Erdemir, Gülin; Özakın, Cüneyt; Yerci, Ömer; ÖZGÜR, TANER; Özkan, Tanju Başarır; Erdemir, Gülin; ÖZAKIN, CÜNEYT; YERCİ, ÖMER; Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Gastroenteroloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Mikrobiyoloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; 0000-0002-9726-8219; 0000-0001-5740-9729; 0000-0001-5428-3630; AAG-8381-2021; AAG-8392-2021; DKU-2575-2022; GBW-0079-2022; EIS-5114-2022Background/Aims: In this study we aimed to investigate the sensitivity and specificity of Narrow Band Imaging (NBI) in H. pylori gastritis and compare them with those of rapid urease test and urea breath test.Materials and Methods: A hundred sixty-five children who admitted to Uludag University Pediatric Gastroenterology Unit between October 2009-March 2011 with upper gastrointestinal symptoms were consecutively enrolled. During the endoscopy procedure gastric corporeal, antral and fundal images were obtained, afterwards the same areas were visualized with narrow band imaging and images were recorded again.Results: The study included 68 (41.2%) boys and 97(58.8%) girls. The mean age of the patients were 11.88 +/- 4.55. Tissue culture positivity and/or histopathological staining for H. pylori was determined in 56 (33.9%) patients (Group 1) and the other patients (n:109, 43.6%) didn't have an evidence of H. pylori infection (Group 2). Narrow band images have supported H. pylori infection in 56.4%. The sensitivity of narrow band images for determining H. pylori infection was 92.86% (95% CI 82.7-98), specificity was 62.39% (95% CI 52.6-71.5).Conclusion: Our study is the first to show the role of NBI in diagnosing H. pylori infection in children, as well as determining the sensitivity and specificity of the technique. The specificity is low; however, we suggest that the specific mucosal view of H. pylori gastritis provided by NBI is useful for identifying the areas from which the biopsies should be taken. Moreover, by using this technique, treatment of H. pylori infection may be initiated immediately without performing rapid urease test and without waiting for histopathology report and tissue culture.Publication Mannose-binding lectin gene polymorphism and chronic hepatitis B infection in children(Wolters Kluwer Medknow Publications, 2015-03-01) Erdemir, Gülin; Özkan, Tanju B.; Özgür, Taner; Budak, Ferah; Kılıç, Sara S.; Önay, Huseyin; Erdemir, Gulin; Özkan, Tanju Başarır; ÖZGÜR, TANER; BUDAK, FERAH; KILIÇ GÜLTEKİN, SARA ŞEBNEM; Uludağ Üniversite/Tıp Fakültesi/Gastroenteroloji, Hepatoloji ve Beslenme Anabilim Dalı.; Uludağ Üniversite/Tıp Fakültesi/Pediatrik Mikrobiyoloji Anabilim Dalı.; Uludağ Üniversite/Tıp Fakültesi/Pediatrik İmmünoloji Anabilim Dalı.; 0000-0002-9726-8219; 0000-0001-5740-9729; 0000-0001-7625-9148; 0000-0001-8571-2581; IZP-9398-2023; AAG-8381-2021; F-4657-2014; AAH-1658-2021; DTY-4609-2022Background/Aims: Mannose-binding lectin (MBL) is a member of innate immune system that activates complement system through lectin pathway. MBL deficiency is associated with susceptibility to infectious diseases. In this study, the relation between MBL gene polymorphism and chronic hepatitis B infection in children is evaluated. Patients and Methods: The study included 67 children with chronic hepatitis B and 99 healthy controls. The hepatitis B patients were divided into immuntolerant, chronic inactive, and treatment groups according to their laboratory findings. MBL gene codon 52, 54, and 57 polymorphisms were studied with polymerase chain reaction in all patients and controls. The associations of MBL gene polymorphism with clinical, laboratory, and histopathologic findings were evaluated. Results: Homozygous codon 54 polymorphism of MBL was found significantly higher in chronic hepatitis B patients than controls. Rate of the polymorphism was similar in all groups and, responsive and nonresponsive patients in the treatment group. Conclusions: The hepatitis B patients who are homozygous for codon 54 of MBL are prone to develop chronic infection. Longitudinal studies with larger groups are needed.Publication Normal or elevated prolactin is a good indicator to show pituitary stalk interruption syndrome in patients with multiple pituitary hormone deficiency(Walter De Gruyter Gmbh, 2022-09-23) Eren, Erdal; Öngen, Yasemin Denkboy; Özgür, Taner; Özpar, Rıfat; Demirbaş, Özgecan; Yazıcı, Zeynep; Tarım, Ömer; EREN, ERDAL; DENKBOY ÖNGEN, YASEMİN; ÖZGÜR, TANER; ÖZPAR, RİFAT; DEMİRBAŞ, ÖZGECAN; YAZICI, ZEYNEP; TARIM, ÖMER FARUK; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Endokrinolojisi Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Radyolojisi Anabilim Dalı.; 0000-0002-1684-1053; 0000-0001-6649-9287; 0000-0002-6922-5203; 0000-0002-5322-5508; KHZ-1491-2024; JPK-3909-2023; AAH-5062-2021; AAI-2303-2021; FPE-9941-2022; GQX-9760-2022; CCU-8073-2022Objectives To determine the importance of serum prolactin (PRL) in the detection of pituitary stalk interruption syndrome (PSIS) in children with multiple pituitary hormone deficiency (MPHD). We hypothesized that PRL elevation might be a diagnostic indicator of pituitary stalk pathologies. Methods Clinical, radiological, and laboratory features of the 50 cases of MPHD were studied. Results The median age at presentation of the 50 cases (52%, n=26 were female) was 6.61 (0.02-18.9) years. PSIS was detected in 60% (n=30), pituitary hypoplasia in 32% (n=16), partial empty sella in 6% (n=3), and only 2% (n=1) was reported as normal. Out of 50 patients, 21.3% (n=10) were hypoprolactinemic, 44.7% (n=19) were normoprolactinemic, and 34% (n=16) were hyperprolactinemic. The median PRL value was 27.85 (4.21-130) ng/mL in patients with PSIS and 5.57 (0-41.8) ng/mL in patients without PSIS. Additional hormone deficiencies, especially ACTH and LH were detected in follow-up. Conclusions Patients with normal or high prolactin levels deserve special attention regarding the possibility of PSIS. Furthermore, we emphasize the importance of regular follow-up and monitoring for multiple pituitary hormone deficiencies in all patients with a single pituitary hormone deficiency.