Browsing by Author "Abaci, Ayhan"

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    Circulating c1q complement/tnf-related protein (ctrp)-13 levels in obese children and its relationship with metabolic disorders
    (Karger, 2021-09-01) Erbas, Ibrahim Mert; Paketci, Ahu; Sisman, Ali Riza; Demir, Korcan; Bober, Ece; Abaci, Ayhan; Turan, Serkan; TURAN, SERKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Psikiyatri Anabilim Dalı.; 0000-0002-8334-2422; 0000-0001-8828-0892; 0000-0002-1812-0321; HKE-9636-2023
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    Turner syndrome and associated problems in Turkish children: A multicenter study
    (Galenos Yayıncılık, 2015-03-01) Yeşilkaya, Ediz; Bereket, Abdullah; Darendeliler, Feyza; Bas, Firdevs; Poyrazoğlu, Şükran; Aydın, Banu Kuçükkemre; Darcan, Sukran; Dündar, Bumin; Büyükınan, Muammer; Kara, Cengiz; Sarı, Erkan; Adal, Erdal; Akınciı Ayşehan; Atabek, Mehmet Emre; Demirel, Fatma; Celik, Nurullah; Ozkan, Behzat; Ozhan, Bayram; Orbak, Zerrin; Ersoy, Betul; Dogan, Murat; Atas, Ali; Turan, Serap; Goksen, Damla; Tarim, Omer; Yuksel, Bilgin; Ercan, Oya; Hatun, Sukru; Simsek, Enver; Okten, Aysenur; Abaci, Ayhan; Doneray, Hakan; Ozbek, Mehmet Nuri; Keskin, Mehmet; Onal, Hasan; Akyurek, Nesibe; Bulan, Kezban; Tepe, Derya; Emeksiz, Hamdi Cihan; Demir, Korcan; Kizilay, Deniz; Topaloglu, Ali Kemal; Eren, Erdal; Ozen, Samim; Abali, Saygin; Akin, Leyla; Eklioglu, Beray Selver; Kaba, Sultan; Anik, Ahmet; Bas, Serpil; Unuvar, Tolga; Saglam, Halil; Bolu, Semih; Ozgen, Tolga; Dogan, Durmus; Cakir, Esra Deniz; Sen, Yasar; Andiran, Nesibe; Cizmecioglu, Filiz; Evliyaoglu, Olcay; Karaguzel, Gulay; Pirgon, Ozgur; Catli, Gonul; Can, Hatice Dilek; Gurbuz, Fatih; Binay, Cigdem; Bas, Veysel Nijat; Fidanci, Kursat; Polat, Adem; Gul, Davut; Acikel, Cengizhan; Demirbilek, Huseyin; Cinaz, Peyami; Bondy, Carolyn; TARIM, ÖMER FARUK; EREN, ERDAL; SAĞLAM, HALİL; Doğan, Durmuş; Çakır, Esra Deniz; Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Endocrinoloji Bölümü; 0000-0002-1684-1053; 0000-0003-0710-5422; JHM-8761-2023; JPK-3909-2023; C-7392-2019; AID-3610-2022; GQO-9634-2022
    Objective: Turner syndrome (TS) is a chromosomal disorder caused by complete or partial X chromosome monosomy that manifests various clinical features depending on the karyotype and on the genetic background of affected girls. This study aimed to systematically investigate the key clinical features of TS in relationship to karyotype in a large pediatric Turkish patient population.Methods: Our retrospective study included 842 karyotype-proven TS patients aged 0-18 years who were evaluated in 35 different centers in Turkey in the years 2013-2014.Results: The most common karyotype was 45, X (50.7%), followed by 45, X/46, XX (10.8%), 46, X, i(Xq) (10.1%) and 45, X/46, X, i(Xq) (9.5%). Mean age at diagnosis was 10.2 +/- 4.4 years. The most common presenting complaints were short stature and delayed puberty. Among patients diagnosed before age one year, the ratio of karyotype 45, X was significantly higher than that of other karyotype groups. Cardiac defects (bicuspid aortic valve, coarctation of the aorta and aortic stenosis) were the most common congenital anomalies, occurring in 25% of the TS cases. This was followed by urinary system anomalies (horseshoe kidney, double collector duct system and renal rotation) detected in 16.3%. Hashimoto's thyroiditis was found in 11.1% of patients, gastrointestinal abnormalities in 8.9%, ear nose and throat problems in 22.6%, dermatologic problems in 21.8% and osteoporosis in 15.3%. Learning difficulties and/or psychosocial problems were encountered in 39.1%. Insulin resistance and impaired fasting glucose were detected in 3.4% and 2.2%, respectively. Dyslipidemia prevalence was 11.4%.Conclusion: This comprehensive study systematically evaluated the largest group of karyotype-proven TS girls to date. The karyotype distribution, congenital anomaly and comorbidity profile closely parallel that from other countries and support the need for close medical surveillance of these complex patients throughout their lifespan.