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Weir-McCall, Jonathan R.,Blanke, Philipp,Sellers, Stephanie L.,Ahmadi, Amir A.,Andreini, Daniele,Budoff, Matthew J.,Cademartiri, Filippo,Chinnaiyan, Kavitha,Choi, Jung Hyun,Chun, Eun Ju,Conte, Edoardo Elsevier 2018 Journal of cardiovascular computed tomography Vol.12 No.3
<P><B>Abstract</B></P> <P><B>Background</B></P> <P>The aim of the study is examine the impact of non-obstructive (<50%stenosis) left main (LM) disease on the natural history of coronary artery disease using serial coronary computed tomography angiography (CTA).</P> <P><B>Methods</B></P> <P>CTAs from the PARADIGM (Progression of atherosclerotic plaque determined by computed tomographic angiography imaging) study, a prospective multinational registry of patients who underwent serial CTA at a ≥2 year interval were analyzed. Those without evidence of CAD on their baseline scan were excluded, as were those with obstructive left main disease. Coronary artery vessels and their branches underwent quantification of: plaque volume and composition; diameter stenosis; presence of high-risk plaque.</P> <P><B>Results</B></P> <P>Of 944 (62 ± 9 years, 60% male) who had evidence of CAD at baseline, 444 (47%) had LM disease. Those with LM disease had a higher baseline plaque volume (194.8 ± 221mm3 versus 72.9 ± 84.3mm3, p < 0.001) and a higher prevalence of high-risk plaque (17.5% versus 13%, p < 0.001) than those without LM disease. On multivariable general linear model, patients with LM disease had greater annual rates of progression of total (26.5 ± 31.4mm3/yr versus 14.9 ± 20.1mm3/yr, p < 0.001) and calcified plaque volume (17 ± 24mm3/yr versus 7 ± 11mm3/yr, p < 0.001), with no difference in fibrous, fibrofatty or necrotic core plaque components.</P> <P><B>Conclusion</B></P> <P>The presence of non-obstructive LM disease is associated with greater rates of plaque progression and a higher prevalence of high-risk plaque throughout the entire coronary artery tree compared to CAD without LM involvement. Our data suggests that non-obstructive LM disease may be a marker for an aggressive phenotype of CAD that may benefit from more intensive treatment strategies.</P>
Naoum, Christopher,Berman, Daniel S.,Ahmadi, Amir,Blanke, Philipp,Gransar, Heidi,Narula, Jagat,Shaw, Leslee J.,Kritharides, Leonard,Achenbach, Stephan,Al-Mallah, Mouaz H.,Andreini, Daniele,Budoff, Mat Ovid Technologies Wolters Kluwer -American Heart A 2017 Circulation. Cardiovascular imaging Vol.10 No.3
Kim, Ung,Leipsic, Jonathon A.,Sellers, Stephanie L.,Shao, Michael,Blanke, Philipp,Hadamitzky, Martin,Kim, Yong-Jin,Conte, Edoardo,Andreini, Daniele,Pontone, Gianluca,Budoff, Matthew J.,Gottlieb, Ilan Elsevier 2018 JACC CARDIOVASCULAR IMAGING Vol.11 No.10
<P><B>Abstract</B></P> <P><B>Objectives</B></P> <P>This study aimed to determine the rate and extent of plaque progression (PP), changes in plaque features, and clinical predictors of PP in patients with diabetes mellitus (DM).</P> <P><B>Background</B></P> <P>The natural history of coronary PP in patients with DM is not well established.</P> <P><B>Methods</B></P> <P>A total of 1,602 patients (age 61.3 ± 9.0 years; 60.3% men; median scan interval 3.8 years) who underwent serial coronary computed tomography angiography over a period of at least 24 months were enrolled and analyzed from the PARADIGM (Progression of Atherosclerotic Plaque Determined by Computed Tomographic Angiography Imaging) trial. Study endpoints were changes in plaque features in diabetics with PP and risk factors for PP by serial coronary computed tomography angiography between patients with and without DM. PP was defined if plaque volume at follow-up minus plaque volume at baseline was >0.</P> <P><B>Results</B></P> <P>DM was an independent risk factor for PP (84.6%; 276 of 326 patients with PP) in multivariate analysis (odds ratio [OR]: 1.526; 95% confidence interval [CI]: 1.100 to 2.118; p = 0.011). Independent risk factors for PP in patients with DM were male sex (OR: 1.485; 95% CI: 1.003 to 2.199; p = 0.048) and mean plaque burden at baseline ≥75% (OR: 3.121; 95% CI: 1.701 to 5.725; p ≤0.001). After propensity matching, percent changes in overall plaque volume (30.3 ± 36.9% in patients without DM and 36.0 ± 29.7% in those with DM; p = 0.032) and necrotic core volume (−7.0 ± 35.8% in patients without DM and 21.5 ± 90.5% in those with DM; p = 0.007) were significantly greater in those with DM. The frequency of spotty calcification, positive remodeling, and burden of low-attenuation plaque were significantly greater in patients with DM.</P> <P><B>Conclusions</B></P> <P>People with DM experience greater PP, particularly significantly greater progression in adverse plaque, than those without DM. Male sex and mean plaque burden >75% at baseline were identified as independent risk factors for PP.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
현승재,Lawrence G. Lenke,김용정,Keith H. Bridwell,Meghan Cerpa,Kathy M. Blanke 대한척추신경외과학회 2021 Neurospine Vol.18 No.3
Objective: To compare and identify risk factors for distal adding-on (AO) or distal junctional kyphosis (DJK) in adolescent idiopathic scoliosis (AIS) treated by anterior- (ASF) and posterior spinal fusion (PSF) to L3. Methods: AIS patients undergoing ASF versus PSF to L3 from 2000–2010 were analyzed. Distal AO and DJK were deemed poor radiographic results. New stable (SV) and neutral vertebra (NV) scores were defined for this study. The total stability (TS) score was the sum of the SV and NV scores. Results: Twenty of 42 (ASF group: 47.6%) and 8 of 72 patients (PSF group: 11.1%) showed poor radiographic outcome. Fused vertebrae, correction rate of main curve, coronal reduction rate of L3 were significantly higher in PSF group. Multiple logistic regression results indicated that preoperative SV-3 at L3 in standing and side benders (odds ratio [OR], 2.7 and 3.7, respectively), TS score -5, -6 at L3 (OR, 4.9), rigid disc at L3–4 (OR, 3.7), lowest instrumented vertebra (LIV) rotation >15° (OR, 3.3), LIV deviation >2 cm from center sacral vertical line (OR, 3.1) and ASF (OR, 13.4; p<0.001) were independent predictive factors. There was significant improvement of the Scoliosis Research Society (SRS)-22 average scores only in PSF group. Furthermore, the ultimate scores of PSF group were significantly superior to ASF group. Conclusion: The prevalence of AO or DJK at ultimate follow-up for AIS with LIV at L3 was significantly higher in ASF group. Ultimate SRS-22 scores were significantly better in PSF group.
Hyun, Seung-Jae,Lenke, Lawrence G.,Kim, Yongjung,Bridwell, Keith H.,Cerpa, Meghan,Blanke, Kathy M. The Korean Neurosurgical Society 2021 Journal of Korean neurosurgical society Vol.64 No.5
Objective : The purpose of this study was to identify risk factors for distal adding on (AO) or distal junctional kyphosis (DJK) in adolescent idiopathic scoliosis (AIS) treated by posterior spinal fusion (PSF) to L3 with a minimum 2-year follow-up. Methods : AIS patients undergoing PSF to L3 by two senior surgeons from 2000-2010 were analyzed. Distal AO and DJK were deemed poor radiographic results and defined as >3 cm of deviation from L3 to the center sacral vertical line (CSVL), or >10° angle at L3-4 on the posterior anterior- or lateral X-ray at ultimate follow-up. New stable vertebra (SV) and neutral vertebra (NV) scores were defined for this study. The total stability (TS) score was the sum of the SV and NV scores. Results : Ten of 76 patients (13.1%) were included in the poor radiographic outcome group. The other 66 patients were included in the good radiographic outcome group. Lower Risser grade, more SV-3 (CSVL doesn't touch the lowest instrumented vertebra [LIV]) on standing and side bending films, lesser NV and TS score, rigid L3-4 disc, more rotation and deviation of L3 were identified risk factors for AO or DJK. Age, number of fused vertebrae, curve correction, preoperative coronal/sagittal L3-4 disc angle did not differ significantly between the two groups. Multiple logistic regression results indicated that preoperative Risser grade 0, 1 (odds ratio [OR], 1.8), SV-3 at L3 in standing and side benders (OR, 2.1 and 2.8, respectively), TS score -5, -6 at L3 (OR, 4.4), rigid disc at L3-4 (OR, 3.1), LIV rotation >15° (OR, 2.9), and LIV deviation >2 cm from CSVL (OR, 2.2) were independent predictive factors. Although there was significant improvement of the of Scoliosis Research Society-22 average scores only in the good radiographic outcome group, there was no significant difference in the scores between the groups. Conclusion : The prevalence of AO or DJK at ultimate follow-up for AIS with LIV at L3 was 13.1%. To prevent AO or DJK following fusion to L3, we recommend that the CSVL touch L3 in both standing and side bending, TS score is -4 or less, the L3/4 disc is flexible, L3 is neutral (<15°) and ≤2 cm from the midline and the patient is ≥ Risser 2.
ECONOMICS AND SECURITY IN NORTHEAST ASIA : THE IRON SILK ROAD,ITS CONTEXT AND IMPLICATIONS
Blank, Stephen 연세대학교 동서문제연구원 2002 Global economic review Vol.31 No.3
In recent years, there have been some developments in East Asia. North Korea has officially stated that it is developing nuclear weapons. Because of this, its neighbours have been uneasy and have resulted in significant changes. Previously, there was a primary drive to develop East Asia's economic potential. South Korea wanted to specialize in certain key strategic industries while becoming the region's business hub. Russia wanted to exploit its vast eastern region for its natural resources and build a railway connecting Europe to East Asia. Japan wants to escape its economic slump. China wants to bring about a new era of prosperity for its people. However, this all changed because of North Korea. Now, these nations are delicately balancing their economic priorities with political and military security.