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    The effects of flavanoid on the treatment of hepatopulmonary syndrome
    (Korean Surgical Society, 2013) Atalay, Talha; Cakir, Murat; Tekin, Ahmet; Kucukkartallar, Tevfik; Kargin, Suleyman; Kartal, Adil; Kaynak, Adnan
    Purpose: Hepatopulmonary syndrome is an arterial oxygenation disorder brought about by advanced liver failure and pulmonary vascular dilatations. The reason why hypoxia develops in hepatopulmonary syndrome depends on the broadening of perialveolar capillary veins. Our study aims to investigate the effects of Flavanoid on hepatopulmonary syndrome through its inhibition of nitric oxide. Methods: Three groups, each having 8 rats, were formed within the scope of our study. Group I (the control group) only received laparatomy, group II received choledoch ligation, and group III was administered Flavanoid (90% flavonoid diosmin, 10% flavonoid hesperidin) following choledoch ligation. The rats were administered Flavanoid at week two following choledoch ligation. The rats' livers and lungs were examined histopathologically following a five-week follow-up and the perialveolar vein diameters were measured. Arterial blood gases and biochemical parameters were evaluated. Results: It was seen that fibrosis and oxidative damage in the liver with obstructive jaundice as well as hypoxia with pulmonary perialveolar vein sizes were significantly lower than the other group with cirrhosis formed through the administration of Flavanoid. Conclusion: We have concluded that Flavanoid administration might be useful in the treatment of hypoxia in hepatopulmonary syndrome and the delay of cirrhosis contraction.
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    The Effects of Topical Insulin Application on Wound Healing
    (Modestum Ltd, 2015) Kargin, Suleyman; Tastekin, Didem; Kilic, Kemal; Cezik, Azamet; Cakir, Murat; Kucukkartallar, Tevfik; Kokbudak, Naile
    The process of wound healing is a dynamic event during which the stages of fibroplasia, angiogenesis, and re-epithelization perfectly take place. The aim of this study is to compare the effects of wound irrigation by normal saline and topical insulin application, which we frequently use in clinical practice, on wound healing. The study covers a total of 20 male rats - 10 for the insulin group and 10 for the control group. The first group received topical insulin application while the second group had irrigation by normal saline. The macroscopic outlook, collagen production, and wound contraction rates in the animals wounds were checked at the end of day 20. The rate of wound closing was found to be higher in the topical insulin group than the NS group at all times. Further, the period of complete wound closing was shorter than the insulin group. Histopathological analysis revealed that the ulceration and inflammation were localized in the subepithelial field in the skin cross-sections of the insulin group and that there was a significant increase in collagen bundles. Thus, we think that insulin can be an alternative to normal saline application specifically in chronic wounds related to diabetes and post-op wound care.
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    The Effects of Topical Insulin Application on Wound Healing
    (Modestum Ltd, 2015) Kargin, Suleyman; Tastekin, Didem; Kilic, Kemal; Cezik, Azamet; Cakir, Murat; Kucukkartallar, Tevfik; Kokbudak, Naile
    The process of wound healing is a dynamic event during which the stages of fibroplasia, angiogenesis, and re-epithelization perfectly take place. The aim of this study is to compare the effects of wound irrigation by normal saline and topical insulin application, which we frequently use in clinical practice, on wound healing. The study covers a total of 20 male rats - 10 for the insulin group and 10 for the control group. The first group received topical insulin application while the second group had irrigation by normal saline. The macroscopic outlook, collagen production, and wound contraction rates in the animals wounds were checked at the end of day 20. The rate of wound closing was found to be higher in the topical insulin group than the NS group at all times. Further, the period of complete wound closing was shorter than the insulin group. Histopathological analysis revealed that the ulceration and inflammation were localized in the subepithelial field in the skin cross-sections of the insulin group and that there was a significant increase in collagen bundles. Thus, we think that insulin can be an alternative to normal saline application specifically in chronic wounds related to diabetes and post-op wound care.
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    Methylene blue ameliorates colonic injury in acetic acid-induced colitis model
    (Bayrakol Medical Publisher, 2022) Tanrikulu, Yusuf; Sen Tanrikulu, Ceren; Kilinc, Fahriye; Can, Murat; Kokturk, Furuzan; Kargin, Suleyman; Yilmaz, Gokhan
    Aim: Inflammatory bowel disease (IBD) is a serious health problem affecting the quality of life. IBDs caused by various pathophysiological mechanisms, including genetic, immunological, inflammatory, and environmental factors. Although it has been widely investigated, treatment of IBDs remains a difficult clinical problem. We aimed to investigate the healing of mucosal damage and anti-inflammatory effects of methylene blue (MB) in experimental colitis model. Material and Methods: Twenty-eight rats were randomly divided into four equal groups: group 1 (Sham), group 2 (control), group 3 (topical treatment), and group 4 (topical and systemic treatment). In groups 2, 3, and 4, acetic acid-induced colitis model was created. Normal saline to group 2, topical MB to group 3, and topical and systemic MB to group 4 were given. Results: The levels of hydroxyproline were lower in the treatment groups than in the control group (p=0.017 for group 3 and p=0.004 for group 4). There was no difference between groups according to the TNF- alpha levels. The results of macroscopic scores were significantly lower in treatment groups (group 3-4) than In the control group (group 2) (p=0.005 for group 3 and p=0.002 for group 4). There was a significant difference between the treatment groups and the control group according to the epithelial loss and inflammatory infiltrate (p=0.022 for group 3, p=0.026 for group 4 for both histopathological values). Discussion: MB ameliorates colonic injury in acetic acid-induced colitis model This effect of MB was observed both locally and with local + systemic administration.
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    Relationship of preoperative neutrophil lymphocyte ratio with prognosis in gastrointestinal stromal tumors
    (Turkish Surgical Assoc, 2015) Kargin, Suleyman; Cakir, Murat; Gundes, Ebubekir; Yavuz, Yusuf; Esen, Haci Hasan; Iyisoy, M. Sinan; Kokbudak, Naile
    Objective: Gastrointestinal stromal tumors are believed to play a role in immunosuppression with their local effect. In some cancers with associated inflammation, an increased pretreatment neutrophil lymphocyte ratio is considered as an indicator of poor prognosis. The aim of our study was to assess the relationship of increased blood neutrophil lymphocyte ratio with disease prognosis in patients with gastrointestinal stromal tumors. Material and Methods: The data of 78 patients who underwent surgery with the diagnosis of primary gastrointestinal stromal tumor in our clinic were evaluated retrospectively. The preoperative neutrophil lymphocyte ratio in the peripheral blood was determined. The neutrophil lymphocyte ratio and its relationship with tumor risk and prognosis were compared. The data were evaluated by Pearson's correlation analysis and the Welch ANOVA test. Results: The preoperative neutrophil lymphocyte ratio was significantly increased in the high-risk groups (p<0.05). An increased preoperative neutrophil lymphocyte ratio was associated with shorter survival (r=-0.32, p=0.009). In addition, an increase in the neutrophil lymphocyte ratio was associated with an increase in the mitotic activity of the tumor (r=-0.364, p=0.025). Conclusion: The preoperative neutrophil lymphocyte ratio in gastrointestinal stromal tumors can be used as an indicator of high-risk tumors and poor prognosis.
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    Synuclein-gamma predicts poor clinical outcome in esophageal cancer patients
    (Sage Publications Ltd, 2014) Tastekin, Didem; Kargin, Suleyman; Karabulut, Mehmet; Yaldiz, Naile; Tambas, Makbule; Gurdal, Necla; Tatli, Ali Murat
    The synuclein gamma (SNCG) protein, a member of neuronal protein family synuclein, has been considered as a promising potential biomarker as an indicator of cancer stage and survival in patients with cancer. The present study was conducted to evaluate the prognostic value of SNCG in patients with esophageal carcinoma (EC). SNCG levels were assessed immunohistochemically in cancer tissues from 73 EC patients. Median age was 57 (range, 29-78) years old. Forty-seven percent of the patients were male. Thirty-seven percent of the patients had upper or middle localized tumor whereas 59 % had epidermoid carcinoma. More than half of the patients (61 %) had undergone operation where 57 % received adjuvant treatment including chemotherapy or chemotherapy plus radiotherapy. Median overall survival was 11.3 +/- 1.8 months (95% confidence interval (CI): 7.7-14.9 months). SNCG positivity was significantly associated with the histological type of EC and inoperability (for SNCG positive vs. negative group; epidermoid 80 vs. 53 %; p=0.05 and inoperable 59 vs. 32 %; p=0.04, respectively). Lymph node metastasis, inoperability and receiving no adjuvant treatment had significantly adverse effect on survival in the univariate analysis (p=0.01, p< 0.001, and p=0.001, respectively). SNCG positivity had significantly adverse effect on survival in both univariate and multivariate analysis (p=0.02 and p=0.01, respectively). Our results are the first to suggest that SNCG is a new independent predictor for poor prognosis in EC patients in the literature.