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https://www.readbyqxmd.com/read/29924790/-surgical-treatment-of-total-thrombosis-of-an-abdominal-aortic-endograft
#1
V V Shlomin, I V Kas'ianov, I G Drozhzhin, P B Bondarenko, P D Puzdriak
Described in the article is a clinical case report regarding successful surgical treatment of total thrombosis of a stent graft in a high-risk surgical patient, having previously undergone endovascular repair of an abdominal aortic aneurysm by means of a unilateral stent graft with suprarenal fixation of its crown and femorofemoral crossover bypass grafting. 5 months after the operation, the patient began complaining of rest pain in his right leg and trophic ulcers of the foot. The findings of MSCT angiography revealed total thrombosis of the stent graft, to be later on followed by operative intervention, i...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924789/-endoprosthetic-repair-of-the-aorta-for-an-infrarenal-aneurysm-combined-with-occlusion-of-one-of-the-iliac-arteries
#2
I V Popova, A A Karpenko, P V Ignatenko, V B Starodubtsev
Described herein is a clinical case report regarding successful endovascular treatment of a patient presenting with an abdominal aortic aneurysm combined with occlusion of one of the iliac arteries. Cases concerning elimination of such pathology appear to be reported only sporadically in the available literature. The patient underwent reconstructive repair in two stages. The first stage comprised recanalization with stenting of the occluded iliac artery on the right and implantation of the Zenith stent graft...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924787/-staged-treatment-of-a-multilevel-lesion-of-brachiocephalic-arteries-in-combination-with-coronary-and-valvular-pathology-of-the-heart
#3
M A Cherniavskiĭ, A A Gusev, D V Chernova, I V Iarkov, M L Gordeev
Prevention of neurological complications in cardiosurgical and reconstructive vascular surgery is one of the priority tasks of preserving ability to work and decreasing invalidization of patients in the postoperative period. Presented in the article is a clinical case report regarding multiple-stage treatment of a female patient with a combined aortic defect, coronary pathology, and a multilevel bilateral lesion of the brachiocephalic arteries. The first stage consisted in performing a hybrid operation, i. e...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924782/-transradial-approach-in-carotid-stenting
#4
I N Shchanitsyn, M R Sharafutdinov, R A Iakubov, I V Larin
A femoral approach is the main access in stenting of carotid arteries, mainly due to rapid training in how to perform the procedure and a possibility of using large-diameter catheters. However, this approach is not always feasible in atherosclerosis, tortuosity of lower-limb arteries and in certain anatomical peculiarities of the aortic arch. Using a transradial approach is based on the desire to diminish the incidence rate of haemorrhagic complications in the zone of the puncture and to avoid the necessity of a long-term bed rest...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924376/immediate-improvement-of-left-ventricular-mechanics-following-transcatheter-aortic-valve-replacement
#5
Vanesa Cristina Lozano Granero, Sara Fernández Santos, Covadonga Fernández-Golfín, María Plaza Martín, Jesús María de la Hera Galarza, Francesco Fulvio Faletra, Martin J Swaans, Teresa López-Fernández, Dolores Mesa, Giovanni La Canna, Tomás Echeverría García, Gilbert Habib, Amparo Martíne Monzonís, José Luis Zamorano Gómez
BACKGROUND: Left ventricular (LV) mechanics are impaired in patients with severe aortic stenosis (AS). Transcatheter aortic valve replacement (TAVR) has become a widespread technique for patients with severe AS considered inoperable or high risk for traditional open-surgery. This procedure could have a positive impact in LV mechanics. The aim of this study was to evaluate the immediate effect of TAVR on LV function recovery, as assessed by myocardial deformation parameters. METHODS: One-hundred twelve consecutive patients (81...
June 20, 2018: Cardiology Journal
https://www.readbyqxmd.com/read/29923999/abdominal-compartment-syndrome-and-ruptured-aortic-aneurysm-validation-of-a-predictive-test-sca-aar
#6
Betty Leclerc, Lucie Salomon Du Mont, Anne-Laure Parmentier, Guillaume Besch, Simon Rinckenbach
BACKGROUND: The abdominal compartment syndrome (ACS) has been clearly identified as being one of the main causes of mortality after ruptured abdominal aortic aneurysm (rAAA). The ACS is defined as a sustained intra-abdominal pressure > 20 mm Hg associated with a new organ dysfunction or failure. A pilot study was conducted and found that the threshold of 3 among 8 selected criteria, we would predict an ACS occurrence with a 54% positive predictive value and a 92% negative predictive value...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29923742/a-case-of-nickel-allergy-after-endovascular-aortic-repair
#7
Yohei Kawatani, Hirotsugu Kurobe, Yoshitsugu Nakamura, Takaki Hori
A 78-year-old man with no history of allergy, underwent endovascular aortic repair for abdominal aortic aneurysm rupture. Postoperatively, he had low-grade fever and persistently raised white blood cell counts, but tests showed no infection. A skin rash appeared on the trunk and upper arms; we suspected a drug allergy. Despite withdrawal and/or change of medications, the symptoms remained. Finally, a patch test for nickel showed a strongly positive result. Oral prednisone 5 mg·day-1 was started, and the clinical findings resolved thereafter...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29923368/human-electronegative-ldl-induces-mitochondrial-dysfunction-and-premature-senescence-of-vascular-cells-in-vivo
#8
Yu-Chen Wang, An-Sheng Lee, Long-Sheng Lu, Liang-Yin Ke, Wei-Yu Chen, Jian-Wen Dong, Jonathan Lu, Zhenping Chen, Chih-Sheng Chu, Hua-Chen Chan, Taha Y Kuzan, Ming-Hsien Tsai, Wen-Li Hsu, Richard A F Dixon, Tatsuya Sawamura, Kuan-Cheng Chang, Chu-Huang Chen
Dysregulation of plasma lipids is associated with age-related cardiovascular diseases. L5, the most electronegative subfraction of chromatographically resolved low-density lipoprotein (LDL), induces endothelial dysfunction, whereas the least electronegative subfraction, L1, does not. In this study, we examined the effects of L5 on endothelial senescence and its underlying mechanisms. C57B6/J mice were intravenously injected with L5 or L1 (2 mg kg-1  day-1 ) from human plasma. After 4 weeks, nuclear γH2AX deposition and senescence-associated β-galactosidase staining indicative of DNA damage and premature senescence, respectively, were increased in the aortic endothelium of L5-treated but not L1-treated mice...
June 19, 2018: Aging Cell
https://www.readbyqxmd.com/read/29923306/acid-sphingomyelinase-down-regulation-alleviates-vascular-endothelial-insulin-resistance-in-diabetic-rats
#9
Xin Li, Shi-Jie Jin, Jie Su, Xiao-Xue Li, Ming Xu
Insulin resistance in endothelial cells contributes to the development of cardiovascular disease in patients with type 2 diabetes. Acid sphingomyelinase (ASM) is a soluble glycoprotein which plays a vital role in the development and progression of various diseases such as cardiovascular and metabolic diseases. However, it remains unknown if ASM regulates insulin resistance in vascular endothelial cells in type 2 diabetes. ASM down-regulation with gene silencing and selective inhibitor amitriptyline was used in the rat aortic endothelial cells (RAECs) treated with palmitic acid (PA), a common saturated free fatty acid, which is thought to be the major cause of insulin resistance...
June 19, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29923135/attenuation-of-pulse-pressure-amplification-in-patients-with-complete-transposition-of-the-great-arteries-after-an-arterial-switch-operation-in-children
#10
Tomoaki Murakami, Masahiro Shiraishi, Taro Murakami, Atsuhito Takeda
Although the arterial switch operation has become the standard procedure for infants with complete transposition of the great arteries, possible late adverse events after surgery have not been fully elucidated. One such problem may be the postoperative function of the aorta that is radically manipulated. The current study enrolled 12 patients aged 4-9 years who had undergone an arterial switch operation. The ascending and descending aortic pressure waveforms were recorded by a catheter-mounted pressure sensor...
June 19, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29923134/comparison-of-balloon-dilatation-and-surgical-valvuloplasty-in-non-critical-congenital-aortic-valvular-stenosis-at-long-term-follow-up
#11
Sezen Ugan Atik, Ayşe Güler Eroğlu, Betül Çinar, Murat Tuğberk Bakar, İrfan Levent Saltik
The two main modalities used for congenital aortic valvular stenosis (AVS) treatment are balloon aortic valve dilatation (BAD) and surgical aortic valvuloplasty (SAV). This study evaluates residual and recurrent stenosis, aortic regurgitation (AR) development/progression, reintervention rates, and the risk factors associated with this end point in patients with non-critical congenital AVS who underwent BAD or SAV after up to 18 years of follow-up. From 1990 to 2017, 70 consecutive interventions were performed in patients with AVS, and 61 were included in this study (33 BADs and 28 SAVs)...
June 19, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29923126/sex-specific-considerations-in-women-with-aortic-stenosis-and-outcomes-after-transcatheter-aortic-valve-replacement
#12
REVIEW
Christos G Mihos, Sheila L Klassen, Evin Yucel
Aortic stenosis (AS) is the most common valvular disease in the elderly and is associated with poor outcomes. Transcatheter aortic valve replacement (TAVR) is an alternative to surgical aortic valve replacement (SAVR) in high-risk patients. Herein, we describe the gender-related differences in baseline characteristics and pathophysiologic response to severe AS, imaging considerations unique to females, and short- and long-term outcomes after TAVR. Women undergoing TAVR are older and frailer, have less cardiovascular comorbidities, smaller femoral artery size, better left ventricular systolic function, hypertrophied and small left ventricles leading to a higher incidence of paradoxical low-flow low-gradient AS, and a greater prevalence of porcelain aorta, smaller aortic annulus size, and lower coronary ostia heights...
June 19, 2018: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29923082/antegrade-thoracic-endovascular-aortic-repair-via-the-left-axillary-artery-in-a-patient-with-aortoiliac-occlusive-disease-leriche-syndrome
#13
Takeshi Kamada, Ryoichi Tanaka, Hajime Kin, Akihiko Abiko, Tomoyuki Iwase
We present the case of a 77-year-old man with a saccular descending thoracic aortic aneurysm who underwent successful antegrade thoracic endovascular aortic repair (TEVAR) via the left axillary artery. The patient had a history of axillo-bifemoral bypass grafting due to aortoiliac occlusive disease (Leriche syndrome), which precluded normal retrograde TEVAR. Upon successful procedure completion, no endoleak was noted on postoperative computed tomography. The patient was discharged from the hospital without any complications...
June 19, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29922957/estimating-left-ventricular-elastance-from-aortic-flow-waveform-ventricular-ejection-fraction-and-brachial-pressure-an-in-silico-study
#14
Stamatia Z Pagoulatou, Nikolaos Stergiopulos
Although left ventricular end-systolic elastance (Ees ) serves as a major index of cardiac contractility, a widely-accepted noninvasive estimation of Ees does not exist. To overcome this limitation, we developed a two-step inverse method that allows for its noninvasive estimation from measurements of aortic flow and brachial pressure using a previously validated one-dimensional model of the cardiovascular system. In a first step, aortic flow is set as the model input and the output brachial pressure is compared with the "real" values...
June 19, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29922894/resuscitative-endovascular-balloon-occlusion-of-the-aorta-for-non-traumatic-intra-abdominal-hemorrhage
#15
Melanie R Hoehn, Natasha Z Hansraj, Amelia M Pasley, Megan Brenner, Samantha R Cox, Jason D Pasley, Jose J Diaz, Thomas Scalea
BACKGROUND: Hemorrhagic shock is the second leading cause of death in blunt trauma and a significant cause of mortality in non-trauma patients. The increased use of resuscitative endovascular balloon occlusion of the aorta (REBOA) as a bridge to definitive control for massive hemorrhage has provided promising results in the trauma population. We describe an extension of this procedure to our hemodynamically unstable non-trauma patients. METHODS: This is a retrospective review of patients requiring REBOA for end stage non-traumatic abdominal hemorrhage from our tertiary care facility...
June 19, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29922726/endovascular-treatment-of-thoracic-aortic-pseudoaneurysm-through-a-subclavian-approach-in-patient-with-aortoiliac-occlusive-disease-a-case-report
#16
Ezequiel Paredes-Mariñas, Carme Llort-Pont, Francisca Castro-Bolance, Vicente Riambau-Alonso
Introduction: Thoracic endovascular aortic repair (TEVAR) has become the preferred option for treatment of thoracic aortic pathology, but lack of vascular access options is a common contraindication to TEVAR. Case report: The authors report a case of a 67 year old male patient with multiple revascularisation procedures: bilateral axillofemoral bypass and thoracic aortofemoral bypass, both occluded. An anastomotic pseudoaneurysm of the thoracic aorta developed and detected on computed tomography angiography (CTA)...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29922725/management-of-lower-extremity-ischaemia-during-type-a-dissection-repair
#17
Kathryn L Howe, John Harlock, Dominic Parry
Introduction: Type A aortic dissection can present with malperfusion syndrome. Lower limb ischaemia may resolve with repair of the dissection; however, the long duration of repair and/or persistent ischaemia may leave tissue at risk of necrosis with potential for substantial morbidity. Report: Here, the case of a 67 year old man who presented with a Type A aortic dissection with malperfusion of the lower extremities is described. The Vascular Surgery and Cardiac Surgery divisions were consulted simultaneously...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29922576/ablation-of-ventricular-tachycardia-from-the-aortic-root-after-transcatheter-aortic-valve-replacement
#18
Uma N Srivatsa, Eric J Nordsieck, Nayereh Pezeshkian, Yingbo Yang, Jeffrey Southard
No abstract text is available yet for this article.
June 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29922535/exploring-the-difference-in-post-procedural-stroke-rates-between-patients-with-aortic-stenosis-who-undergo-transcatheter-aortic-valve-replacement-versus-surgical-aortic-valve-replacement
#19
REVIEW
Heather Burke, Agnieszka Boron, Jung-Hyun Lee, Kudrit Riana Kahlon
Transcatheter aortic valve replacement (TAVR) is a newer alternative to surgical aortic valve replacement (SAVR) for patients with severe aortic stenosis. Clinical trials have investigated TAVR's safety and effectiveness. Cerebral embolization is a common complication leading to stroke after TAVR and SAVR; different cerebral protection methods have been studied to prevent this. This paper evaluates the rate of post-procedural stroke rates between TAVR and SAVR and investigates the effect of cerebral protective methods on the stroke risk post-TAVR...
April 17, 2018: Curēus
https://www.readbyqxmd.com/read/29922171/high-mobility-group-box-1-promotes-aortic-calcification-in-chronic-kidney-disease-via-the-wnt-%C3%AE-catenin-pathway
#20
Xiucai Jin, Shu Rong, Weijie Yuan, Lijie Gu, Jieshuang Jia, Ling Wang, Honglei Yu, Yifeng Zhuge
Vascular calcification (VC) is common in chronic kidney disease (CKD), where cardiovascular mortality remains the leading cause of death. Here, we examined the role of high-mobility group box1 (HMGB1), a nuclear DNA-binding protein involved in inflammation, in aortic calcification and renal dysfunction induced by high phosphate in a mouse model of CKD induced by 5/6 nephrectomy. HMGB1 and kidney function markers were measured by ELISA in the serum of CKD patients and in CKD mice. Sections of the aortas of mice were analyzed by immunofluorescence and Alizarin red staining, and protein lysates were generated to analyze the expression of related proteins in response to silencing of HMGB1 or β-catenin by western blotting...
2018: Frontiers in Physiology
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