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Igde, Murat,Ozturk, Mehmet Onur,Yasar, Burak,Bulam, Mehmet Hakan,Ergani, Hasan Murat,Unlu, Ramazan Erkin Korean Society of Plastic and Reconstructive Surge 2019 Archives of Plastic Surgery Vol.46 No.3
Background Microvascular anastomosis patency is adversely affected by local and systemic factors. Impaired intimal recovery and endothelial mechanisms promoting thrombus formation at the anastomotic site are common etiological factors of reduced anastomosis patency. Epigallocatechin gallate (EGCG) is a catechin derivative belonging to the flavonoid subgroup and is present in green tea (Camellia sinensis). This study investigated the effects of EGCG on the structure of vessel tips used in microvascular anastomoses and evaluated its effects on thrombus formation at an anastomotic site. Methods Thirty-six adult male Wistar albino rats were used in the study. The right femoral artery was cut and reanastomosed. The rats were divided into two groups (18 per group) and were systemically administered either EGCG or saline. Each group were then subdivided into three groups, each with six rats. Axial histological sections were taken from segments 1 cm proximal and 1 cm distal to the microvascular anastomosis site on days 5, 10, and 14. Results Thrombus formation was significantly different between the EGCG and control groups on day 5 (P=0.015) but not on days 10 or 14. The mean luminal diameter was significantly greater in the EGCG group on days 5 (P=0.002), 10 (P=0.026), and 14 (P=0.002). Intimal thickening was significantly higher on days 5 (P=0.041) and 10 (P=0.02). Conclusions EGCG showed vasodilatory effects and led to reduced early thrombus formation after microvascular repair. Similar studies on venous anastomoses and random or axial pedunculated skin flaps would also contribute valuable findings relevant to this topic.
Sukuroglu, Murat,Caliskanergun, Burcu,Unlu, Serdar,Sahin, M.Fethi,Kupeli, Esra,Yesilada, Erdem,Banoglu, Erden The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.5
A series of structurally diverse amide derivatives of [6-(3,5-dimethyl-4- chloro-pyrazole-1-yl)-3(2H)-pyridazinone-2-yl]acetic acid were prepared and tested for their in vivo analgesic and anti-inflammatory activity by using p-benzoquinone-induced writhing test and carrageenan induced hind paw edema model, respectively. The analgesic and anti-inflammatory activity of the compounds, 7c, 7d and 7k were found to be equipotent to aspirin (as an analygesic) and indometacin (as an anti-inflammatory drug), respectively. The other amide derivatives generally resulted in lower activity on comparision with reference compounds.
Dursun Aras,Ozcan Ozeke,Serkan Cay,Firat Ozcan,Kazım Baser,Umuttan Dogan,Murat Unlu,Burcu Demirkan,Omac Tufekcioglu,Serkan Topaloglu 한국심초음파학회 2015 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.23 No.3
The clinical diagnosis of right ventricular (RV) cardiomyopathies is often challenging. It is difficult to differentiate the isolatedleft ventricular (LV) noncompaction cardiomyopathy (NC) from biventricular NC or from coexisting arrhythmogenic ventricularcardiomyopathy (AC). There are currently few established morphologic criteria for the diagnosis other than RV dilation andpresence of excessive regional trabeculation. The gross and microscopic changes suggest pathological similarities between, orcoexistence of, RV-NC and AC. Therefore, the term arrhythmogenic right ventricular cardiomyopathy is somewhat misleading asisolated LV or biventricular involvement may be present and thus a broader term such as AC should be preferred. We describe anunusual case of AC associated with a NC in a 27-year-old man who had a history of permanent pacemaker 7 years ago due tosecond-degree atrioventricular block.