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Influence of internal medicine perioperative consult team on vascular surgical patients 内科围手术期会诊团队对血管外科患者的影响
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000188
A. Cherukupalli, S. Parmar, Yuda Shih, A. Butt, Gary K.Yang, Jonathan D. Misskey, York N. Hsiang
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引用次数: 0
Echocardiography and cardiac embolic stroke 超声心动图和心脏栓塞性中风
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000180
Nguyen Tuan Vu, Le Huu Quynh Trang
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引用次数: 0
Clinical and radiological pitfalls in Isolated cortical venous thrombosis. Don’t miss the “last slice” 孤立性皮质静脉血栓形成的临床和影像学缺陷。不要错过“最后一片”
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000168
M. Boukobza, Edmond Doggo, É. Manchon, J. Laissy
A brain CT scan without contrast revealed on the last slice, a hyperdense serpiginous vessel in the left frontal lobe, ie a “cord sign”, thus suggesting a diagnosis of a thrombosed frontal cortical vein (Figure 1a, arrow). On brain MR imaging on a 3T scan the conventional sequences were normal: T1-weighted-image (T1WI), T2-weightedimage (T2WI), fluidattenuated inversion recovery (FLAIR) and diffusion-weighted imaging (DWI). Susceptibility-weighted imaging (susceptibility-weighted angiography, SWAN sequence) (Figure 1b), showed a dark serpiginous vessel in the area relative to that of the “cord sign” on the non-contrast CT, confirming the diagnosis of thrombosed frontal vein. 3-Dimmensional contrast-enhanced T1WI MRI sequence (CE 3D T1) showed on multiformat reformat (MPR) an intraluminalfilling defect surrounded by contrast in a left frontal vein at the same level (Figure 1c, arrow), suggestive of an intraluminal thrombus.
未做对比的脑部CT扫描在最后一层显示左侧额叶一高密度蛇形血管,即“脊髓征”,提示额叶皮质静脉血栓形成(图1a,箭头)。3T脑MR成像常规序列正常:t1加权图像(T1WI)、t2加权图像(T2WI)、流体衰减反演恢复(FLAIR)和弥散加权成像(DWI)。敏感性加权成像(敏感性加权血管造影,SWAN序列)(图1b)显示,相对于非对比CT上的“脊髓征”,该区域有一深色蛇状血管,证实额静脉血栓形成的诊断。三维增强T1WI MRI序列(CE 3D T1)显示,在相同水平的左侧额静脉,在多格式重组(MPR)上显示一个被造影剂包围的腔内充盈缺损(图1c,箭头),提示腔内血栓。
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引用次数: 0
A case of endovascular treatment for juxtarenal aortic calcified occlusion with intermittent claudication 血管内治疗肾旁主动脉钙化闭塞伴间歇性跛行1例
Pub Date : 1900-01-01 DOI: 10.15761/VDT.1000173
Keisuke Ueno, Y. Shinoda, I. Shiojima, S. Hoshida
We focused on the importance of procedure strategy for the planning of treatment in a patient with calcified occlusive abdominal aorta with bilateral renal artery stenosis showing intermittent claudication. A 76-year-old man was admitted to our hospital with acute decompensated heart failure. He had a history of hypertension, dyslipidaemia, chronic kidney disease, smoking habit, heavy alcohol intake, and coronary artery bypass graft surgery 6 years ago. Examination revealed that the abdominal aorta was nearly completely occluded due to a large calcified nodule involving bilateral renal arteries. Because he suffered from bilateral intermittent claudication, we decided to undertake revascularization of the abdominal aorta and left renal artery by endovascular treatment (EVT) in a single session. We aimed to secure disappearance of the pressure gradient, but not full distension of the abdominal aorta. We undertook EVT with balloon-expandable stent in order to maintain superior mesenteric artery flow and to ensure firm dilation of the left renal artery. For the calcified abdominal aorta, we tried to construct bidirectional routes of abdominal aortic blood flow antegradely and retrogradely. Our technique is less invasive than bypass surgery and can be performed safely under local anaesthesia using percutaneous access.
我们的重点是手术策略的重要性,计划治疗的钙化闭塞腹主动脉患者双侧肾动脉狭窄表现间歇性跛行。一名76岁男性因急性失代偿性心力衰竭入院。患者既往有高血压、血脂异常、慢性肾病、吸烟习惯、大量饮酒,6年前曾做过冠状动脉搭桥手术。检查发现腹主动脉几乎完全闭塞,因为一个大的钙化结节累及双侧肾动脉。由于他患有双侧间歇性跛行,我们决定通过血管内治疗(EVT)对腹主动脉和左肾动脉进行一次血运重建。我们的目的是确保压力梯度消失,但不是腹主动脉完全扩张。为了维持肠系膜上动脉血流并确保左肾动脉的稳固扩张,我们采用球囊扩张支架进行EVT。对于钙化的腹主动脉,我们尝试构建腹主动脉双向顺、逆行血流路径。我们的技术比旁路手术侵入性小,可以在局部麻醉下经皮进入安全地进行。
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引用次数: 0
Effect of Menaquinone-7 (vitamin K2) on vascular elasticity in healthy subjects: results from a one-year study 甲萘醌-7(维生素K2)对健康受试者血管弹性的影响:为期一年的研究结果
Pub Date : 1900-01-01 DOI: 10.15761/VDT.1000179
C. Vermeer, H. Vik
Background: Matrix Gla-Protein (MGP) is involved in the prevention of arterial calcification. During vitamin K-insufficiency, MGP is produced in its inactive form: dp-ucMGP. Two 3-year intervention studies in the general population have shown that increased vitamin K intake may decrease arterial stiffening, but the difference with placebo became only significant in the third year of treatment. In the present trial we have investigated whether in a pre-selected group of vitamin K-insufficient subjects (men and women) an effect of vitamin K-supplementation may be demonstrated within one year. Methods: A randomized placebo-controlled clinical trial was performed in 243 subjects (40-70 years old) characterized by circulating dp-ucMGP concentrations above the median of the general population. Arterial stiffness was concluded from the carotid-femoral pulse-wave velocity (cfPWV), and other vascular characteristics were measured by echotracking of the common carotid artery. Treatment was performed with either vitamin K (menaquinone-7, MK-7) or placebo for one year. Results: In the total study group, MK-7 induced a significant decrease of both dp-ucMGP and cfPWV. After subdividing by gender, it appeared that the effects were only seen in women, in whom we also found beneficial effects in other vascular characteristics as well as in body weight and BMI. Conclusions : High vitamin K intake decreased age-related vascular stiffening. The effects were most obvious in women with poor vitamin K status and were statistically significant after one year of treatment. In-tima-Media Young’s Modulus
背景:基质玻璃蛋白(MGP)参与动脉钙化的预防。在维生素k不足时,MGP以非活性形式产生:dp-ucMGP。在普通人群中进行的两项为期3年的干预研究表明,增加维生素K摄入量可能会减少动脉硬化,但与安慰剂的差异仅在治疗的第三年才变得显著。在目前的试验中,我们研究了在预先选择的维生素k缺乏受试者(男性和女性)中,维生素k补充是否可以在一年内证明其效果。方法:对243例(40-70岁)循环dp-ucMGP浓度高于一般人群中位数的受试者进行随机安慰剂对照临床试验。通过颈-股脉波速度(cfPWV)判断动脉硬度,通过颈总动脉回声追踪测量其他血管特征。用维生素K(甲基萘醌-7,MK-7)或安慰剂治疗一年。结果:在整个研究组中,MK-7诱导dp-ucMGP和cfPWV均显著降低。在按性别细分后,似乎只在女性身上看到了这种效果,我们还发现,在女性身上,其他血管特征、体重和BMI都有有益的效果。结论:高维生素K摄入量可减少与年龄相关的血管硬化。这种效果在维生素K含量低的女性中最为明显,并且在治疗一年后具有统计学意义。In-tima-Media杨氏模量
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引用次数: 7
Immediate benefit of balloon aortic valvuloplasty in severe aortic stenosis: hemodynamic echographic assessment in Intensive Coronary Care Unit 主动脉瓣球囊成形术治疗严重主动脉瓣狭窄的直接益处:冠状动脉重症监护病房的血流动力学超声评估
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000154
M. Calcaianu, U. Crimizade, N. Messas, D. Bresson, J. Wiedemann, O. Roth, M. Kindo, O. Morel, J. Lévy, L. Jacquemin, P. Ohlmann
Background : Balloon aortic valvuloplasty (BAV) might be a life saving procedure in critically advanced aortic stenosis (AS) as a bridge therapy to surgical aortic valve replacement (AVR) or to trans-catheter aortic heart valve (TAVI), by reducing trans-aortic gradient and increasing aortic valve area (AVA). Few is known on the benefit of BAV on cardiac output. Our study proposed to evaluate the hemodynamic changes after BAV by transthoracic echocardiography (TTE). Methods: 30 consecutive patients with AS undergoing BAV were prospectively included between July 2014 and July 2015. Hemodynamic assessment was performed pre- and post-BAV by TTE. Low cardiac output (CO) was defined by a cardiac index (CI) < 2.5 L/min/m 2 . Results: Mean age was 82 ± 8 years; 56.7% were female; mean logistic EuroSCORE I was 31 ± 19 %. 20 patients (67%) had low CO. TTE showed that the patients with low CO improved AVA (from 0.57 ± 0.2 to 1.05 ± 0.5, p=0.043), CI (from 1.9 ± 0.4 to 2.8 ± 1.0 L/min/m 2 , p<0.0001), LVEF (from 31 ± 16 to 38 ± 13%, p=0.006), tend to decrease systolic pulmonary artery pressure (sPAP) (from 52 ± 19 to 43 ± 11 mmHg, p=0.06) and to increase mean arterial pressure (MAP) (from 79 ± 10 to 83 ± 12 mmHg, p=0.046). There was no statistically significant difference in terms of hemodynamic in patients with a normal CO (CI ≥ 2.5 L/min/m 2 ). Conclusion: By increasing AVA, BAV significantly and immediately improve cardiac output especially in patients with low CO at baseline.
背景:球囊主动脉瓣成形术(BAV)可以通过降低主动脉瓣梯度和增加主动脉瓣面积(AVA),作为外科主动脉瓣置换术(AVR)或经导管主动脉瓣置换术(TAVI)的桥梁治疗,在严重晚期主动脉瓣狭窄(AS)中可能是一种挽救生命的方法。很少有人知道BAV对心输出量的好处。我们的研究建议通过经胸超声心动图(TTE)评估BAV后的血流动力学变化。方法:前瞻性纳入2014年7月至2015年7月连续30例接受BAV治疗的AS患者。bav前后分别行TTE血流动力学评估。低心输出量(CO)定义为心脏指数(CI) < 2.5 L/min/ m2。结果:平均年龄82±8岁;56.7%为女性;logistic EuroSCORE I平均值为31±19%。20例(67%)低有限公司TTE表明患者低公司改善艾娃(从0.57±0.2,1.05±0.5,p = 0.043), CI(从1.9±0.4,2.8±1.0 L / min /米2,p < 0.0001), LVEF(±16日31日至38±13%,p = 0.006),倾向于降低收缩期肺动脉压力(sPAP)(于52±19日至43±11毫米汞柱,p = 0.06),增加平均动脉压(MAP)(79±10至83±12毫米汞柱,p = 0.046)。正常CO (CI≥2.5 L/min/ m2)患者的血流动力学差异无统计学意义。结论:通过增加AVA、BAV,可立即显著改善心输出量,特别是基线时低CO的患者。
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引用次数: 0
A modulator peptide stabilize the eNOS protein similar to atorvastatin in atherosclerosis patients 一种类似于阿托伐他汀的调节肽稳定动脉粥样硬化患者的eNOS蛋白
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000166
K. S. Freitas e Silva
Atherosclerosis is a cardiovascular disease marked by chronic inflammation. The disease is intimately related to the accumulation of fatty acids in the tunica intima of medium and large caliber arteries. The development of the disease respond to alteration of the vascular and immune system homeostasis. The inflammatory process is aggravated by the action of immune cells. The diagnosis of the disease is invasive in most cases. Thus, new diagnostic and therapeutic techniques are required and could increase the quality of life of atherosclerotic patients. The eNOS gene has been indicated as an efficient biomarker of cardiovascular diseases, including atherosclerosis, stroke and myocardium infarction. The eNOS gene and the protein it encodes control the production of nitric oxide. This compound takes part in a large variety of biological functions and its action is crucial for the protection of arteries against damage. Here, an in-silico approach was used to design two small active peptides as a way to stabilize eNOS and guarantee its normal level of function regarding the production of nitric oxide. We hypothesize that the use of designed peptide would lead to an efficient therapy and with less or none side effect to atherosclerotic patients, as a substitution of statins therapy, such as atorvastatin. For future perspective, an assay of the modulating peptides is being designed to be tested in vitro and in vivo in order to be possibly used as a new therapeutic agent.
动脉粥样硬化是一种以慢性炎症为特征的心血管疾病。本病与中、大口径动脉内膜内脂肪酸的积累密切相关。疾病的发展与血管和免疫系统稳态的改变有关。免疫细胞的作用加重了炎症过程。这种疾病的诊断在大多数情况下是侵入性的。因此,需要新的诊断和治疗技术,以提高动脉粥样硬化患者的生活质量。eNOS基因已被认为是心血管疾病的有效生物标志物,包括动脉粥样硬化、中风和心肌梗死。eNOS基因及其编码的蛋白质控制着一氧化氮的产生。这种化合物参与多种生物功能,其作用对保护动脉免受损害至关重要。本研究采用了一种硅片方法来设计两个小的活性肽,以稳定eNOS并保证其在一氧化氮产生方面的正常功能水平。我们假设,使用设计的肽可以替代他汀类药物,如阿托伐他汀,对动脉粥样硬化患者产生有效的治疗,并且副作用更少或没有副作用。从未来的角度来看,正在设计一种调节肽的测定方法,以在体外和体内进行测试,以便可能用作一种新的治疗剂。
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引用次数: 0
Case report for chronic thromboembolic pulmonary hypertension (CTEPH) caused by deep vein thrombosis due to uterine myoma 子宫肌瘤所致深静脉血栓形成所致慢性血栓栓塞性肺动脉高压1例
Pub Date : 1900-01-01 DOI: 10.15761/VDT.1000185
Hyun Jin Kim, H. Shin
Chronic thromboembolic pulmonary hypertension (CTEPH) is a complication of pulmonary embolism. A deep vein thrombosis diagnosis due to uterine myoma compressing the inferior vena cava and an accompanying pulmonary artery thrombotic embolism was treated with hysterectomy and warfarin, which caused bleeding. While initially overlooked, a CTEPH diagnosis was reached.
慢性血栓栓塞性肺动脉高压(CTEPH)是肺栓塞的并发症。由于子宫肌瘤压迫下腔静脉,诊断为深静脉血栓形成,并伴有肺动脉血栓栓塞,经子宫切除术和华法林治疗,导致出血。虽然最初被忽视,但最终诊断为CTEPH。
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引用次数: 0
The PERTINI Method: A simple technique for re-sheathing a physician-modified endograft PERTINI法:一种简单的医师改良内移植物再鞘技术
Pub Date : 1900-01-01 DOI: 10.15761/vdt.1000193
F. De Santis
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引用次数: 0
Trigeminal Neuralgia: The pain is a given, the cause is not 三叉神经痛:疼痛是给定的,原因不是
Pub Date : 1900-01-01 DOI: 10.15761/VDT.1000175
S. Vassilopoulou, A. Tountopoulou, E. Korompoki, L. Poulou, Christos Gkogkas
Trigeminal neuralgia is a severe facial pain. Dural Arteriovenous Fistula is a very rare cause of this neuralgia. We present a 68 year old male with a severe left Trigeminal Neuralgia refractory to medical treatment without any abnormal finding in his initial brain MRI. One year later, α new brain MRI revealed a huge dural Arteriovenous Fistula (AVF) as the underlying cause of this painful prosopalgia. Successful transarterial dAVF embolization improved patient’s symptoms and subsequently his quality of life
三叉神经痛是一种严重的面部疼痛。硬脑膜动静脉瘘是一种非常罕见的神经痛的原因。我们报告一名68岁男性,患有严重的左三叉神经痛,药物治疗难治性,但他的初始脑部MRI没有任何异常发现。一年后,α新脑MRI显示巨大的硬脑膜动静脉瘘(AVF)是这种疼痛的体痛的潜在原因。成功的经动脉dAVF栓塞改善了患者的症状和随后的生活质量
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引用次数: 0
期刊
Vascular Diseases and Therapeutics
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