Person: KÜÇÜKAKKAŞ, OKAN
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Publication Metadata only Cross-cultural adaptation and validation of the Turkish version of the Functional Index for Hand Osteoarthritis (FIHOA).(2021-04-27T00:00:00Z) Kilicoglu, Mehmet Serkan; Rezvani, Aylin; Yurdakul, Ozan Volkan; Kucukakkas, Okan; Aydin, Teoman; Maheu, Emmanuel; YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKANPublication Open Access Beyond expectations: disease duration and psychological burden in psoriatic arthritis.(2023-07-07) Kılıç G.; Kılıç E.; Tekeoğlu İ.; Sargın B.; Cengiz G.; Balta N. C.; Alkan H.; Kasman S. A.; Şahin N.; Orhan K.; Gezer İ. A.; Keskin D.; Mülkoğlu C.; Reşorlu H.; Ataman Ş.; Bal A.; Duruöz M. T.; Küçükakkaş O.; Şen N.; Toprak M.; Yurdakul O. V.; Melikoğlu M. A.; Ayhan F. F.; Baykul M.; Bodur H.; Çalış M.; Çapkın E.; Devrimsel G.; Hizmetli S.; Kamanlı A.; Keskin Y.; Ecesoy H.; Kutluk Ö.; Şendur Ö. F.; Tolu S.; Tuncer T.; Nas K.; YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKAN; KESKİN, YAŞARThis study aims to investigate the relationship between disease duration and psychological burden in PsA and to identify the risk factors associated with psychological distress. Patients with PsA who met CASPAR classifcation criteria enrolled by Turkish League Against Rheumatism (TLAR)-Network. Patients were categorized into three groups based on disease duration: early stage (<5 years), middle stage (≥5,<10 years), and late stage (≥10 years). All patients underwent clinical and laboratory assessment using standardized protocol and case report forms. The associations between psychological variables and clinical parameters were assessed by a multivariate analysis. Of the 1113 patients with PsA (63.9% female), 564 (%50.7) had high risk for depression and 263 (%23.6) for anxiety. The risk of psychological burden was similar across all PsA groups, and patients with a higher risk of depression and anxiety also experienced greater disease activity, poorer quality of life, and physical disability. Multivariate logistic regression revealed that female gender (OR=1.52), PsAQoL (OR=1.13), HAQ (OR=1.99), FiRST score (OR=1.14), unemployment/retired (OR=1.48) and PASI head score (OR=1.41) were factors that infuenced the risk of depression, whereas the current or past enthesitis (OR=1.45), PsAQoL (OR=1.19), and FiRST score (OR=1.26) were factors that infuenced the risk of anxiety. PsA patients can experience a comparable level of psychological burden throughout the course of their disease. Several socio-demographic and disease-related factors may contribute to mental disorders in PsA. In the present era of personalized treatment for PsA, evaluating psychiatric distress can guide tailored interventions that improve overall well-being and reduce disease burden.Publication Metadata only Romatoid artritli hastalarda üst ekstremitede hangi kasların güçleri hastalık aktivitesi, fonksiyonellik ve engellilik ile ilişkilidir?(2019-08-01T00:00:00Z) YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKAN; YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKANPublication Metadata only Klinik Spor Hekimliği(2020-01-01T00:00:00Z) KÜÇÜKAKKAŞ, OKAN; REZVANİ, AYLİN; KÜÇÜKAKKAŞ, OKANPublication Metadata only Cross-cultural adaptation and validation of the back Beliefs Questionnaire to the Turkish language.(2019-10-14T00:00:00Z) Arifoğlu, Karaman; Küçükakkaş, Okan; KÜÇÜKAKKAŞ, OKANPublication Open Access The reliability and validity of the Turkish version of the Quality of Life Questionnaire of the European Foundation for Osteoporosis-31 (QUALEFFO-31)(2021-12-01T00:00:00Z) Ince, Bugra; KÜÇÜKAKKAŞ, Okan; KÜÇÜKAKKAŞ, OKANThis study reveals the Turkish version of QUALEFFO-31 has a sufficient level of reliability, validity, and psychometric properties. The questionnaire, which is potentially capable of differentiating patients with fractures, does not appear to have the differential capacity in terms of osteoporosis. Purpose This study aims to conduct the reliability and validity study of QUALEFFO-31 in Turkish and to evaluate the capacity of the questionnaire to distinguish patients in terms of osteoporosis. Methods The original English version was translated into Turkish by two translators whose native language was Turkish. Subsequently, this Turkish version was translated back into English by two different bilingual translators whose native language was English. After this preliminary questionnaire was tested in 30 patients, words, terminology, information errors, and parts difficult to understand were revised, and the questionnaire was finalized. Internal consistency and test-retest analyses were used for the reliability study. For the validity study, convergent-discriminant validity, concurrent validity, factor analysis, known-group validity, and receiver operating characteristic (ROC) analyses were performed. Results A total of 111 patients were evaluated. Internal consistency levels were optimal except for the mental function. ICC coefficients showed good retest reliability for all domains and total tests. The convergent and discriminant validity ratios for the mental function domain were 78% for both and 100% for the other domains. There was a moderate and good negative correlation between QUALEFFO-31 and SF-36 domains which had similar names. Exploratory factor analysis revealed 3 structures. However, there was a spread to the other factors in physical function domain items. Confirmatory factor analysis (CFA) markers were not at a very good fitting level except for the relative chi-square index. When CFA was performed according to the assumed model, the fitting level increased in all analyses. There was no significant differential capacity in terms of osteoporosis or fracture for either QUALEFFO-31 or SF-36. Conclusion The Turkish version of QUALEFFO-31 has a sufficient level of reliability, validity, and psychometric properties. Nevertheless, improvements in pain and mental function domains and some changes applying to the model may increase the psychometric capacity of the questionnaire. The questionnaire, which is potentially capable of differentiating patients with fractures, does not appear to have the differential capacity in terms of osteoporosis.Publication Open Access Axial Spondyloarthritis and Autosomal Dominant Polycystic Kidney Disease in Two Siblings: A Rare Cooccurrence.(2018-03-04) YURDAKUL, OZAN VOLKAN; TAMER, AF; Küçükakkaş, OKAN; REZVANI, AYLİN; YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKAN; REZVANİ, AYLİNAutosomal dominant polycystic kidney disease (ADPKD) is the most frequently occurring hereditary kidney disease, and axial spondyloarthritis (SpA) is one of the most frequently occurring rheumatic diseases. Treatment-related decisions for axial SpA may pose a challenge in case of renal involvement. -e authors describe two siblings with cooccurrence of these two diseases. -e association of these two diseases is not well known. Practitioners should monitor renal function in SpA patients and take treatment-related decisions regarding renal involvement. Antitumor necrosis factor-alpha (anti-TNF-α) agents may be used in case nonsteroidal anti-inPublication Metadata only Fear Assessment in Inflammatory Rheumatic diseases (FAIR) questionnaire: a cross-cultural adaptation and validation to the Turkish language(2018-12-01) Kucukakkas, OKAN; Rezvani, Aylin; Yurdakul, OZAN VOLKAN; Tolu, Sena; Kilicoglu, MEHMET SERKAN; Aydin, TEOMAN; KÜÇÜKAKKAŞ, OKAN; YURDAKUL, OZAN VOLKAN; KILIÇOĞLU, MEHMET SERKAN; AYDIN, TEOMANIn chronic inflammatory rheumatic diseases (CIRD), it is important to understand patients- fears towards their disease in order to improve patient-physician dialog, to raise the quality of care offered, and to optimize treatment adherence. In this study, we aimed to translate the Fear Assessment in Inflammatory Rheumatic diseases (FAIR) questionnaire into Turkish and evaluate its psychometric properties in patients with CIRD. One hundred fifteen patients filled the provided socio-demographic information form, FAIR-Tr questionnaire, Hospital Anxiety and Depression Scale (HADS), and Beck-s Hopelessness Scale (BHS). For the analysis of short-term reliability, 50 patients re-filled the FAIR-Tr questionnaire 1week later. Internal consistency was evaluated with Cronbach-s coefficient and test-retest reliability was evaluated with intraclass correlation coefficients (ICC). Construct validity analysis was investigated based on the correlation with HADS and BHS. All patients found FAIR-Tr easily understandable and acceptable. FAIR-Tr internal consistency (Cronbach-s =0.93) and test-retest reliability (ICC=0.91) were excellent. Psychometric validation was proved upon observing high correlation with HADS (Anxiety, r=0.77; Depression, r=0.70) and moderate correlation with BHS (r=0.65). FAIR-Tr is a questionnaire that has excellent internal consistency and test-retest reliability. The successful correlation with HADS and BHS supported its psychometric validity in terms of evaluating the fear in CIRD cases. We think that FAIR-Tr is a specific scale that can help to evaluate the disease- and treatment-related fears of the Turkish patients with CIRD and may be useful in both routine practice and clinical studies.Publication Unknown Correlation Between Strenght of Various Upper Extremity Muscle Groups And Disease Activity And Disability in Patients with Rheumatoid Arthritis(2019-02-24T00:00:00Z) YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKAN; YURDAKUL, OZAN VOLKAN; KÜÇÜKAKKAŞ, OKANPublication Metadata only Coexistence of fibromyalgia and metabolic syndrome in females: The effects on fatigue, clinical features, pain sensitivity, urinary cortisol and norepinephrine levels: A cross-sectional study(2021-03-01T00:00:00Z) KESKİN, Yaşar; Nas, Kemal; Kilic, Erkan; Sargin, Betul; Kasman, Sevtap Acer; Alkan, Hakan; Sahin, Nilay; CENGİZ, GİZEM; Cuzdan, Nihan; Gezer, Ilknur Albayrak; Keskin, Dilekk; Mulkoglu, Cevriye; Resorlu, Hatice; Ataman, Sebnem; Bal, Ajda; Duruoz, Mehmet Tuncay; Kucukakkas, Okan; YURDAKUL, Ozan Volkan; Melikoglu, Meltem Alkan; Aydin, Yildiray; Ayhan, F. Figen; Bodur, Hatice; Calis, Mustafa; Capkin, Erhan; Devrimsel, Gul; Gok, Kevser; Hizmetli, Sami; Kamanli, Ayhan; Ecesoy, Hilal; Kutluk, Oznur; Sen, Nesrin; Sendur, Omer Faruk; Tekeoglu, Ibrahim; Tolu, Sena; Toprak, Murat; Tuncer, Tiraje; KESKİN, YAŞAR; KÜÇÜKAKKAŞ, OKAN; YURDAKUL, OZAN VOLKANObjectives: This study aims to evaluate the coexistence of metabolic syndrome (MetS) and fibromyalgia syndrome (FMS) and determine the effects of this coexistence on neuroendocrine levels and clinical features of FMS.