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Öğe Association between stasis dermatitis and length of stay in heart failure hospitalizations(Wolters Kluwer Medknow Publications, 2020) Kaya, Ozge; Sahin, Anil; Kaya, HakkiBackground: Stasis dermatitis (SD) is caused by venous hypertension that can be associated with peripheral congestion due to heart failure (HF). Length of stay (LOS) is the primary driver of HF hospitalization costs. Therefore, it is important to determine those patients who will have longer LOS. We aimed to investigate the relationship between the SD and LOS in HF patients. Methods: A total of 308 patients, who were hospitalized between January 2012 and January 2014 due to acute decompensated HF (ADHF) in our center, were evaluated in this retrospective observational cohort study. Patients' baseline clinical characteristics and presence of SD diagnosis within the past 3 months prior the HF hospitalization were assessed by a review of cardiology and dermatology clinics medical records. Results: A total of 237, acutely decompensated, HF patients were enrolled in the study. The median LOS was 5 days, and the mean LOS was 5.4 ± 2 days. Prolonged LOS was defined as LOS >5 days, and the patients were classified into two groups: Those with LOS ?5 days (Group I) and those with LOS >5 days (Group II, longer LOS). The presence of SD diagnosis was higher in Group II compared to patients in Group I (22% vs. 46%, P < 0.001). In the multivariate logistic regression model, presence of SD diagnosis, presence of moderate-to-severe tricuspid regurgitation, presence of atrial fibrillation, left atrial diameter, creatinine level, sodium level remained associated with longer LOS after adjustment for age, gender and for the variables found to be statistically significant in univariate analysis and correlated with LOS. Conclusions: This was the first time in the literature that a study demonstrated that the presence of SD was associated with an increased the risk of prolonged hospitalization independent of other factors in patients with reduced ejection fraction heart failure admitted for ADHF. © 2020 Society of Cardiovascular Academy. All rights reserved.Öğe Evaluation of the quality, reliability, and popularity of Turkish YouTube videos on acne treatment(Galenos Publ House, 2022) Kaya, Ozge; Solak, Sezgi SarikayaBackground and Design: Social media is extremely popular for obtaining information on dermatological diseases and their treatments. The present study aimed to evaluate Turkish YouTube videos on acne treatment and compare them in terms of quality, reliability, and popularity based on the upload source.Materials and Methods: The first 120 Turkish YouTube videos on acne treatments were reviewed. The number of views, likes, dislikes, comments, video age, and video length were recorded. The quality and reliability of the videos were evaluated with the video power index (VPI). Then, the findings were compared based on the upload source.Results: A total of 104 videos uploaded by 52 physicians and 52 non-physicians (female: male ratio: 3.3:1) were assessed in this study. The DISCERN Score and Global Quality Score (GQS) were higher in the physicians' group (n=52, 50%) (p<0.001). The number of views, likes, dislikes, comments and VPI were significantly higher in the non-physicians group. The time elapsed since the upload day was longer in the videos uploaded by physicians, and the video duration was longer in the videos uploaded by non-physicians (p<0.001). The DISCERN and GQS in videos uploaded by dermatologists (n=30, 54%) were higher (p<0.001) than in those uploaded by non-dermatologists (n=22, 46%). No statistically significant difference was found in other findings.Conclusion: This study's findings confirmed that Turkish YouTube videos on acne treatment uploaded by doctors, especially dermatologists, were of higher quality and reliable, albeit with lower viewing rates and popularity.Öğe Serum glycoprotein 96, a heat shock protein 90 paralog, as a potential biomarker in psoriasis: a prospective case-control study(Springer, 2026) Kaya, Ozge; Sehitoglu, Muserref Hilal; Mermutlu, Selda Isik; Kilic, Sevilay Oguz; Kaya, HakkiPsoriasis is a chronic, immune-mediated skin disease characterized by keratinocyte stress and cytokine-driven inflammation. Glycoprotein 96 (gp-96), a heat shock protein 90 paralog located in the endoplasmic reticulum, plays a critical role in the folding of Toll-like receptors and may contribute to the amplification of inflammatory responses. This study investigated serum gp-96 levels in patients with psoriasis compared to healthy controls and explored potential associations with clinical features. A total of 44 psoriasis patients and 44 healthy individuals were enrolled in a prospective case-control study. Serum gp-96 concentrations were quantified using ELISA. Patients' demographic and clinical data, including PASI scores, nail and joint involvement, and treatment modalities, were collected. Serum gp-96 levels were significantly higher in psoriasis patients than in healthy controls (median 15.92 vs. 9.33 ng/mL, p < 0.001). However, gp-96 levels did not correlate significantly with PASI score, age, disease duration, or other clinical variables. ROC analysis revealed that serum gp-96 has good diagnostic performance in distinguishing psoriasis patients from controls, with an AUC of 0.83 and an optimal cut-off value of 11.57 ng/mL (sensitivity and specificity: 77.3%). A borderline association with nail involvement was observed, suggesting a potential link between gp-96 levels and localized keratinocyte stress. These findings suggest that gp-96 may be a promising diagnostic biomarker in psoriasis, independent of disease severity, and could play a role in the pathogenesis of the disease through its involvement in ER stress and innate immune activation. Further studies with larger cohorts and tissue-level investigations are warranted to validate these results and explore the therapeutic potential of targeting gp-96 in psoriatic disease.
