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장윤경,김용재,송태진 대한신경집중치료학회 2016 대한신경집중치료학회지 Vol.9 No.2
Oral anti-thrombotic agents including anti-coagulants or anti-platelet agents are widely used to prevent cerebral infarction in patients with certain risk factors for ischemic stroke. Oral anti-coagulants, particularly warfarin, have long been used after Stroke Prevention in Atrial Fibrillation (SPAF) trials and European Atrial Fibrillation Trial proved its preventive effect. But along with the increased use of oral anti-thrombotic agents, the incidence of oral anti-thrombotic agent-associated intracranial hemorrhage has also increased. In many clinical trials, the recently approved oral anti-coagulants had a lower risk of hemorrhagic complication compared to warfarin, and real world evidence showed that non-vitamin K antagonist oral anti-coagulants have a relatively lower risk of hemorrhagic complication, especially intracerebral hemorrhage. However, the clinical outcome of non-vitamin K antagonist oral anti-coagulant-related intracerebral hemorrhage seems to be unfavorable. Moreover, management and prognosis of anti-platelet agent-associated intracerebral hemorrhage have been limited. The aim of this article is to review the currently suggested clinical evidences for 1. incidence and prognosis, 2. risk factors, 3. treatment, 4. resumption of anti-thrombotics in oral anti-thrombotic agent-associated intracerebral hemorrhage.
장윤경,석승휘,김동현 대한건선학회 2020 대한건선학회지 Vol.17 No.1
Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARSCoV- 2) virus, has been spreading worldwide since December 2019. Most of COVID-19 patients exhibit mild-to-moderate symptoms and recover without sequelae, however some patients progress to acute respiratory distress syndrome or multiple organ failure, associated with high mortality. Psoriasis is chronic inflammatory disease represented by innate and adaptive immune dysregulation, which is targeted by immunomodulatory therapies. There is uncertainty concerning the outcome of COVID-19 infection in psoriasis patients who are receiving conventional immunosuppressive medications or biologic therapies. In this review, we will discuss about what dermatologists need to aware of and what we can help patients as dermatologists.
장윤경,김진권,우호걸,류동열,오형중,송태진 대한신경과학회 2020 Journal of Clinical Neurology Vol.16 No.1
Background and Purpose Fibroblast growth factor 23 (FGF23) is associated with atherosclerosis via nitric-oxide-associated endothelial dysfunction and calcium-phosphate-related bone mineralization. This study aimed to determine the association of the plasma FGF23 concentration with intracranial cerebral atherosclerosis (ICAS) and extracranial cerebral atherosclerosis (ECAS). Methods We prospectively enrolled 262 first-ever ischemic stroke patients in whom brain magnetic resonance was performed and a blood sample acquired within 24 h after admission. Plasma FGF23 concentrations were measured using an enzyme-linked immunosorbent assay. The presence of ICAS or ECAS was defined as a ≥50% decrease in arterial diameter in magnetic resonance angiography. The burden of cerebral atherosclerosis was calculated by adding the total number of vessels defined as ICAS or ECAS. Results Our study population included 152 (58.0%) males. The mean age was 64.7 years, and the plasma FGF23 concentration was 347.5±549.6 pg/mL (mean±SD). ICAS only, ECAS only, and both ICAS and ECAS were present in 31.2% (n=82), 4.9% (n=13), and 6.8% (n=18) of the subjects, respectively. In multivariate binary and ordinal logistic analyses, after adjusting for sex, age, and variables for which p<0.1 in the univariate analysis, the plasma FGF23 concentration (per 100 pg/mL) was positively correlated with the presence of ICAS [odds ratio (OR)=1.07, 95% CI=1.00–1.15, p=0.039], burden of ICAS (OR=1.09, 95% CI=1.04–1.15, p=0.001), and burden of ECAS (OR=1.06, 95% CI=1.00–1.12, p=0.038), but it was not significantly related to the presence of ECAS (OR=1.05, 95% CI=0.99–1.12, p=0.073). Conclusions The plasma FGF23 may be a potential biomarker for cerebral atherosclerosis, particularly the presence and burden of ICAS in stroke patients.