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    Abelmoschus esculentus Seed Ethanol Extract Protects Against Lipopolysaccharide-Induced Lung Injury in Rats through Anti-Inflammatory Properties
    (Shaheed Beheshti University of Medical Sciences and Health Services, 2023) Tirink, Omer Faruk; Bekdas, Mervan; Cetinkaya, Ayhan; Duzcu, Selma Erdogan; Alısık, Murat; Yoldas, Meyri Arzu
    Background: Acute lung injury is respiratory failure due to various causes. Increased inflammatory and oxidative processes are recognized to play an essential role in the etiology of ARDS. Abelmoschus esculentus is an herbal product used to treat various diseases due to its anti-inflammatory and antioxidant effects. We aimed to investigate whether Abelmoschus esculentus has an effect on acute lung injury. Materials and Methods: In this experimental study, we used the ethanol extract of Abelmoschus esculentus seed. It divided forty male Wistar rats into five equal groups: 1) control, 2) Abelmoschus esculentus, 3) lipopolysaccharide, 4) lipopolysaccharide+Abelmoschus esculentus, and 5) lipopolysaccharide+ Abelmoschus esculentus +dexamethasone groups. Results: In the lipopolysaccharide group, native thiol, total thiol, IL-10, and IFN-? levels significantly changed. Abelmoschus esculentus was effective when used with dexamethasone in increasing native thiol and total thiol values (p=0.008 and p=0.004, respectively). On the other hand, when Abelmoschus esculentus was used alone, it significantly increased IL-10 levels and decreased IFN-? levels in the lipopolysaccharide group (p=0.025 and p<0.001, respectively). Additionally, improvements were noted in histological findings of alveolar congestion (p=0.006), intra-alveolar hemorrhage (p=0.006), and intra-alveolar macrophages (p=0.001). Conclusion: Abelmoschus esculentus, with its anti-inflammatory effect, may represent a new potential for treating acute lung injury. © 2023 NRITLD, National Research Institute of Tuberculosis and Lung Disease, Iran.
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    Seven-year retrospective analysis of pleural effusion cytologies and cyto- histopathological correlation
    (2023) Duzcu, Selma Erdogan; Ozturk, Seyma
    Background: The cytological examination of pleural effusions is a quick and effective diagnostic method used to elucidate the etiology. The aim of this study is to reveal cytopathological diagnosis distributions by retrospectively examining seven-year pleural cytology and analyze cyto-histopathological correlations in cases with biopsy in this study. Materials and Methods: In this study, 545 pleural fluid aspiration materials that resulted as Bolu Abant İzzet Baysal University İzzet Baysal Training and Research Hospital between 2014 and 2020 were evaluated retrospectively. The evaluation results were divided into four groups as inconclusive, negative for malignancy, suspected malignancy, and malignant cytology. The biopsy diagnoses of 64 cases were grouped as inadequate, benign, and malignant. Sensitivity and specificity values were calculated by looking at the relationship between cytology and biopsy diagnoses. Results: According to the cytology diagnoses, 435 cases (79.8%) were negative for malignancy, 43 cases (7.9%) were malignant, 32 cases (5.9%) were suspected of malignancy, and 35 cases (6.4%) were inconclusive. When the diagnoses of the cases with both cytology and biopsy analyses were compared, the sensitivity of the cytology was 96.7%, the specificity was 91.2%, the positive predictive value was 90.6%, and the negative predictive value was 96.7%. The biopsy and cytology results were found to be compatible (p < 0.05) Conclusions: Pleural effusion develops due to different etiologies, and the cytological examination of pleural fluid is an important diagnostic method for malignancy. In our region, the most common cause of pleural effusion is benign pathologies which are consistent with data in the literature. The correlations between cytology- and biopsy-based diagnosis results were found high.