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        Hemopericardium and cardiac tamponade in a patient treated with dabigatran etexilate

        Filiz Kızılırmak,Haci Murat Gunes,Ekrem Guler,Gultekin Gunhan Demir,Oguz Karaca,Habibe Gamze Canpolat 대한심장학회 2016 Korean Circulation Journal Vol.46 No.1

        Dabigatran etexilate is one of the new oral anticoagulants approved to reduce the risk of stroke in patients with atrial fibrillation (AF). A variety of bleeding complications with dabigatran have been reported, but reports of hemopericardium are rare. We described a case of a 66 year-old female patient with non-valvular AF receiving dabigatran etexilate 150 mg twice daily for one year who suffered from hemopericardium. Her laboratory tests performed 1 year prior were normal and her admission tests revealed acute renal failure and elevated international normalized ratio (INR) level (4.79). Urgent pericardiocentesis was followed by improved renal functions and normalized INR. Dabigatran etexilate is a new oral anticoagulant that is increasingly used in daily practice. However, life-threatening complications warrant caution. Elevated INR may be related with overdose but the association of bleeding risk of dabigatran and INR requires further confirmation.

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        Serotonin Expression in Lichen Planus Lesions and Its Relationship with Depression/Anxiety

        ( Gokce Isil Kurmus ),( Muzeyyen Gonul ),( Filiz Canpolat ),( Demet Yilmazer ),( Eylem Sahin Cankurtaran ) 대한피부과학회 2019 Annals of Dermatology Vol.31 No.2

        Background: Psychological factors such as stress, depression, and anxiety have been documented to contribute to the development of lesions in lichen planus (LP). Objective: To evaluate the relationship between serotonin expression in LP lesions and depression/anxiety. Methods: Forty patients (22 females, 18 males) with LP and 20 healthy control subjects were included in this study. The severity of LP was assessed with the palmar method (using the measurement of affected body surface area [BSA]). The depression and anxiety scores were measured with Beck's depression inventory (BDI) and Beck's anxiety inventory (BAI). The expression of serotonin was determined via immunohistochemistry in LP lesions and in the control group skin using a monoclonal antibody to serotonin. Results: The skin biopsies of the LP patients had significantly higher levels of serotonin than those of the control subjects (p<0.001). In the LP patients, and there was a positive correlation between serotonin expression and LP severity (p=0.022). Based on the results from the BDI and BAI, there was a significant relationship between the severity of depression/anxiety and intensity of serotonin expression (p <0.001). Conclusion: Data from this study suggest that serotonin may have a possible role in the pathogenesis of LP. Further, the relationship between serotonin expression in acute cutaneous lesions and the depression/anxiety scores indicates that serotonin may be a mediator for the association of LP and depression/anxiety simultaneously. There is a need for more specific studies showing the expression of serotonin in the lichen planus to demonstrate the cause or effect. (Ann Dermatol 31(2) 146∼153, 2019)

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