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    Childhood interstitial lung disease in Turkey: first data from the national registry
    (Springer, 2024) Nayir-Buyuksahin, Halime; Emiralioglu, Nagehan; Kilinc, Ayse Ayzit; Girit, Saniye; Yalcin, Ebru; Eyuboglu, Tugba Sismanlar; Cobanoglu, Nazan
    The childhood interstitial lung diseases (chILD) Turkey registry (chILD-TR) was established in November 2021 to increase awareness of disease, and in collaboration with the centers to improve the diagnostic and treatment standards. Here, the first results of the chILD registry system were presented. In this prospective cohort study, data were collected using a data-entry software system. The demographic characteristics, clinical, laboratory, radiologic findings, diagnoses, and treatment characteristics of the patients were evaluated. Clinical characteristics were compared between two main chILD groups ((A) diffuse parenchymal lung diseases (DPLD) disorders manifesting primarily in infancy [group1] and (B) DPLD disorders occurring at all ages [group 2]). There were 416 patients registered from 19 centers. Forty-six patients were excluded due to missing information. The median age of diagnosis of the patients was 6.05 (1.3-11.6) years. Across the study population (n = 370), 81 (21.8%) were in group 1, and 289 (78.1%) were in group 2. The median weight z-score was significantly lower in group 1 (- 2.0 [- 3.36 to - 0.81]) than in group 2 (- 0.80 [- 1.7 to 0.20]) (p < 0.001). When we compared the groups according to chest CT findings, ground-glass opacities were significantly more common in group 1, and nodular opacities, bronchiectasis, mosaic perfusion, and mediastinal lymphadenopathy were significantly more common in group 2. Out of the overall study population, 67.8% were undergoing some form of treatment. The use of oral steroids was significantly higher in group 2 than in group 1 (40.6% vs. 23.3%, respectively; p = 0.040).Conclusion: This study showed that national registry allowed to obtain information about the frequency, types, and treatment methods of chILD in Turkey and helped to see the difficulties in the diagnosis and management of these patients.
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    Comparison of refugee patients with cystic fibrosis and their counterpart children from Turkey during the war
    (Springer, 2024) Yilmaz, Asli Imran; Pekcan, Sevgi; Eyuboglu, Tugba Sismanlar; Hangul, Melih; Arslan, Huseyin; Kilinc, Ayse Ayzit; Cokugras, Haluk
    Since the outbreak of the Syrian civil war in 2011, the population of Arab refugees in Turkey has rapidly increased. While cystic fibrosis (CF) is believed to be rare among Arabs, recent studies suggest it is underdiagnosed. This study aims to present the demographic, clinical, and genetic characteristics of CF patients among Arab refugees in Turkey. Additionally, a comparison is made between the findings in the National CF Registry 2021 in Turkey (NCFRT) and the refugee CF patient group. The study included refugee patients between the ages of 0 and 18 years who were diagnosed with CF and received ongoing care at pediatric pulmonology centers from March 2011 to March 2021. The study examined demographic information, age at diagnosis, age of diagnosis of patients through CF newborn screening (NBS), presenting symptoms, CF transmembrane conductance regulator (CFTR) mutation test results, sputum culture results, weight, height, and body mass index (BMI) z score. Their results were compared with the NCFRT results. The study included 14 pediatric pulmonology centers and 87 patients, consisting of 46 (52.9%) boys and 41 (47.1%) girls. All of the patients were Arab refugees, with 80 (92%) being Syrian. All the patients were diagnosed in Turkey. The median age at diagnosis of patients was 22.33 (interquartile range, 1-258) months. The median age of diagnosis of patients through NBS was 4.2 (interquartile range, 1-12) months. The median age of older patients, who were unable to be included in the NBS program, was 32.3 (interquartile range, 3-258) months. Parental consanguinity was observed in 52 (59.7%) patients. The mutation that was most frequently found was F508del, which accounted for 22.2% of the cases. It was present in 20 patients, constituting 32 out of the total 144 alleles. There was a large number of genetic variations. CFTR genotyping could not be conducted for 12 patients. These patients had high sweat tests, and their genetic mutations could not be determined due to a lack of data. Compared to NCFRT, refugee patients were diagnosed later, and long-term follow-up of refugee CF patients had significantly worse nutritional status and pseudomonas colonization. Conclusion: Although refugee CF patients have equal access to NBS programs and CF medications as well as Turkish patients, the median age at diagnosis of patients, the median age of diagnosis of patients through NBS, their nutritional status, and Pseudomonas colonization were significantly worse than Turkish patients, which may be related to the difficulties of living in another country and poor living conditions. The high genetic heterogeneity and rare mutations detected in the refugee patient group compared to Turkish patients. Well-programmed NBS programs, thorough genetic studies, and the enhancement of living conditions for refugee patients in the countries they relocate to can have several advantages such as early detection and improved prognosis.What is Known:center dot Children who have chronic diseases are the group that is most affected by wars.center dot The outcome gets better with early diagnosis and treatment in patients with Cystic Fibrosis (CF).What is New:center dot Through the implementation of a newborn screening program, which has never been done in Syria previously, refugee patients, the majority of whom are Syrians were diagnosed with cystic fibrosis within a duration of 4 months. center dot Despite equal access to the newborn screening program and CF medications for both Turkish patients and refugee patients, the challenges of living in a foreign country have an impact on refugees.
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    The Relationship between Genotype and Phenotype in Primary Ciliary Dyskinesia Patients
    (Ali Cangül, 2021) Kilinc, Ayse Ayzit; Cebi, Memnune Nur; Ocak, Zeynep İpek; Çokuğraş, Haluk
    Objectives: Primary ciliary dyskinesia (PCD) is a chronic genetic disease that affects the respiratory tract, characterized by different clinical and laboratory features. It has a very difficult diagnosis, and high morbidity. In recent years, with the advances in genetics, the rate of diagnosis has increased considerably. In this study, it was aimed to evaluate the relationship between PCD patients' clinical, radiological and laboratory features and genetic analysis. Methods: The study included 14 children who were diagnosed with PCD between 2015-2019 and underwent exome analysis. Diagnostic ages, body mass indexes (BMI)- Z score, clinical and radiological findings, pulmonary function tests, sputum culture reproduction and gene analysis were evaluated and compared. Results: Six of the patients (43%) were girls and 8 (57%) were boys, and the median age at the time of diagnosis was 9 (min-max: 3-16) years. Genetic analysis revealed pathogenic mutations in DNAH5 (n=4, 29%), DNAH11 (n=2, 14%), RSPH4A (n=2, 14%), CCDC40 (n=2, 14%), DNAH9 (n=1, 7%), HYDIN (n=1, 7%), DNAH1 (n=1, 7%), and ARMC4 (n=1, 7%). Although not statistically significant, it was found that the diagnosis age was lower and the BMI Z-score was lower in CCDC40 mutations. Growth parametres were normal in DNAH5, DNAH11, RSPH4A and ARMC4 pathogenic variants. No significant correlation was found between genetic analysis and clinical features, culture reproduction and pulmonary function tests of the patients. Conclusion: It is thought that more detailed information about the possible clinical features and prognosis of the disease can be obtained by genetic examinations of PCD. However, clinical trials with higher patient numbers are still needed