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Abdominal aortic aneurysms

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https://www.readbyqxmd.com/read/29931542/inflammatory-features-including-symptoms-increased-serum-interleukin-6-and-c-reactive-protein-in-igg4-related-vascular-diseases
#1
Satomi Kasashima, Atsuhiro Kawashima, Fuminori Kasashima, Masamitsu Endo, Yasushi Matsumoto, Kengo Kawakami
Immunoglobulin (IgG) 4-related diseases (IgG4-RDs) are fibro-inflammatory conditions characterized by tumorous swelling and serum IgG4 levels. Intrapelvic IgG4-RD has been subclassified according to the localization site and aortic shape as IgG4-related aortic aneurysms (IgG4-AAs), periaortitis (IgG4-PA), and retroperitoneal fibrosis (IgG4-RF). The IgG4-AA pathogenesis would involve interleukin (IL)-6 upregulation, and Th2-predominant and Treg-activated immune conditions. We characterized the features of intrapelvic IgG4-RD lesions, including presence of vascular lesions...
June 21, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29930684/late-open-conversion-in-ruptured-abdominal-aortic-aneurysm-after-endovascular-repair
#2
Erol Kurç, Onur Sokullu, Serdar Akansel, Murat Sargın
Despite technological advances, the long-term outcomes of endovascular aortic aneurysm repair (EVAR) are still debatable. Although most endograft failures after EVAR can be corrected with endovascular techniques, open conversion may still be required. A 70-year-old male patient presented at the emergency unit with abdominal pain. Twice, in the third and fourth years after the first repair, a stent graft had been placed over a non-adhesive portion of the stent graft due to type Ia endoleaks. In the most recent admission, a CT scan showed type III endoleak and ruptured aneurysm sac...
January 2018: Jornal Vascular Brasileiro
https://www.readbyqxmd.com/read/29926569/-ruptured-abdominal-aortic-aneurysm
#3
V Tchana-Sato, N Sakalihasan, J O Defraigne
Ruptured abdominal aortic aneurysm is a cardiovascular emergency associated with a 30 day mortality as high as 70 %. However, recent progresses in the management of these patients have improved the results. From a surgical point of view, endovascular methods such as balloon occlusion and endovascular repair (EVAR) in patients with suitable anatomy are recommended in order to reduce mortality.
May 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29924790/-surgical-treatment-of-total-thrombosis-of-an-abdominal-aortic-endograft
#4
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
#5
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/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/29922894/resuscitative-endovascular-balloon-occlusion-of-the-aorta-for-non-traumatic-intra-abdominal-hemorrhage
#8
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/29921611/smggds-prevents-thoracic-aortic-aneurysm-formation-and-rupture-by-phenotypic-preservation-of-aortic-smooth-muscle-cells
#9
Masamichi Nogi, Kimio Satoh, Shinichiro Sunamura, Nobuhiro Kikuchi, Taijyu Satoh, Ryo Kurosawa, Junichi Omura, Md Elias Al-Mamun, Mohammad Abdul Hai Siddique, Kazuhiko Numano, Shun Kudo, Satoshi Miyata, Masatoshi Akiyama, Kiichiro Kumagai, Shunsuke Kawamoto, Yoshikatsu Saiki, Hiroaki Shimokawa
Background -Thoracic aortic aneurysm (TAA) and dissection (TAD) are fatal diseases, which cause aortic rupture and sudden death. The small GTP-binding protein GDP dissociation stimulator (SmgGDS) is a crucial mediator of the pleiotropic effects of statins. Previous studies revealed that reduced force generation in AoSMCs causes TAA and TAD. Methods -To examine the role of SmgGDS in TAA formation, we employed an angiotensin II (AngII, 1,000 ng/min/kg, 4 weeks)-induced TAA model. Results -33% Apoe-/- SmgGDS+/- mice died suddenly due to TAA rupture, whereas there was no TAA rupture in Apoe-/- control mice...
June 19, 2018: Circulation
https://www.readbyqxmd.com/read/29921281/hemodynamic-performance-within-crossed-stent-grafts-computational-and-experimental-study-on-the-effect-of-cross-position-and-angle
#10
Ming Liu, Anqiang Sun, Xiaoyan Deng
BACKGROUND AND AIMS: The crossed limbs stent graft technique is regularly employed to treat abdominal aortic aneurysm patients with unfavorable aneurysm necks or widely splayed common iliac arteries. This article numerically evaluates the hemodynamic performance of the crossed limbs strategy by analyzing numerical simulations and conducting experiments using two series of idealized bifurcated stent grafts with different cross angles and cross positions. RESULTS: Results demonstrated that the absolute helicity at outlets decreased with increased cross angles and increased with decreased cross positions...
June 19, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29917097/does-statin-therapy-impact-the-proximal-aortopathy-in-aortic-valve-disease
#11
Tatiana Sequeira Gross, Shiho Naito, Niklas Neumann, Johannes Petersen, Thomas Kuntze, Hermann Reichenspurner, Yskert von Kodolitsch, Evaldas Girdauskas
Background: Studies have demonstrated that statin therapy decreases the growth rate of abdominal aneurysms. However, the effect of statin therapy on the proximal aortic disease has not been sufficiently elucidated. Aim: We aimed to analyze the association between statin treatment and the severity of proximal aortopathy in patients with aortic valve disease. Design: Cross-sectional study. Methods: We prospectively identified 458 patients who were referred for aortic valve surgery from 2008 to 2014...
June 18, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29916384/benefits-and-harms-of-screening-men-for-abdominal-aortic-aneurysm-in-sweden-a-registry-based-cohort-study
#12
Minna Johansson, Per Henrik Zahl, Volkert Siersma, Karsten Juhl Jørgensen, Bertil Marklund, John Brodersen
BACKGROUND: Large reductions in the incidence of abdominal aortic aneurysm (AAA) and AAA-related mortality mean that results from randomised trials of screening for the disorder might be out-dated. The aim of this study was to estimate the effect of AAA screening in Sweden on disease-specific mortality, incidence, and surgery. METHODS: Individual data on the incidence of AAA, AAA mortality, and surgery for AAA in a cohort of men aged 65 years who were invited to screening between 2006 and 2009, were compared with data from an age-matched contemporaneous cohort of men who were not invited for AAA screening...
June 16, 2018: Lancet
https://www.readbyqxmd.com/read/29914839/trends-of-30-day-mortality-and-morbidities-in-endovascular-repair-of-intact-abdominal-aortic-aneurysm-during-the-last-decade
#13
Kanhua Yin, Satinderjit S Locham, Marc L Schermerhorn, Mahmoud B Malas
OBJECTIVE: Significant research efforts have been made to improve the safety and efficacy of endovascular aneurysm repair (EVAR) in treating abdominal aortic aneurysm. This study aimed to examine the trends of perioperative outcomes of EVAR in the recent decade using a national validated database. METHODS: Patients who underwent EVAR for intact abdominal aortic aneurysm between 2006 and 2015 were identified from the National Surgical Quality Improvement Program and divided into early (2006-2010) and late (2011-2015) periods...
June 15, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29914827/geometric-analysis-of-ruptured-and-nonruptured-abdominal-aortic-aneurysms
#14
Masaru Kimura, Katsuyuki Hoshina, Kazuhiro Miyahara, Jun Nitta, Masaharu Kobayashi, Sota Yamamoto, Marie Ohshima
OBJECTIVE: The objective of this study was to use parameters to determine the geometric differences between ruptured abdominal aortic aneurysms (AAAs) and nonruptured AAAs. METHODS: Computed tomography data of 38 ruptured AAAs and 215 electively repaired (nonruptured) AAAs were collected from multiple institutes. We compared the ruptured AAA group and nonruptured AAA group with 1:1 matching by using the Mahalanobis distance, which was calculated using the patient's age, sex, and AAA diameter...
June 15, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29910551/aortocaval-fistula-presenting-as-type-2-acute-myocardial-infarction-in-a-patient-with-severe-arteriopathy
#15
Vivekanand Rajendran, Krishnaswamy Sundararajan, Alice Sawka
Aortocaval fistulas (ACFs) are rare with varied etiologies. Symptoms can be acute or delayed with predominant manifestations being high output cardiac failure. Acute coronary syndrome due to ACF has not been widely reported. We present a case of a 68-year-old male who presented with signs and symptoms suggestive of acute coronary syndrome. This was confirmed by electrocardiogram changes and a rise in cardiac enzymes. A large abdominal aortic aneurysm was diagnosed initially by imaging without evidence of leak or rupture...
May 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29907604/harms-of-screening-for-abdominal-aortic-aneurysm-outweigh-benefits-says-study
#16
Susan Mayor
No abstract text is available yet for this article.
June 15, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29904469/perigraft-air-mimicking-infection-on-ct-angiography-following-open-abdominal-aortic-aneurysm-repair
#17
Bradley Trinidad, Craig Weinkauf, John Hughes
Aortic graft infection is a feared complication after open abdominal aortic aneurysm repair secondary to its high mortality. Perigraft air is a common finding after open aortic aneurysm repair; however, it is also associated with aortic graft infection. Delineating between graft infection and common postoperative finding is a challenge. This is further complicated by use of hemostatic agents such as Gelfoam, which is also documented to cause perigraft air. Correct diagnosis has crucial implications in management of potential aortic graft infection, which is a vascular emergency...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29902236/short-and-long-term-survival-after-open-versus-endovascular-repair-of-abdominal-aortic-aneurysm-polish-population-analysis
#18
Bartosz Symonides, Andrzej Śliwczyński, Zbigniew Gałązka, Jarosław Pinkas, Zbigniew Gaciong
OBJECTIVES: The aim of the study was to compare short and long-term mortality and readmissions in patients with non-ruptured abdominal aortic aneurysm (AAA) treated with endovascular aortic repair (EVAR) or open aneurysm repair (OAR). DESIGN: Retrospective survival analysis based on prospectively collected medical records of the national Polish public health insurer. MATERIALS: In the National Health Fund database we identified all patients who underwent elective open or endovascular treatment of AAA between January 1st 2011 and March 22nd 2016...
2018: PloS One
https://www.readbyqxmd.com/read/29897100/controlled-hypotension-versus-normotensive-resuscitation-strategy-for-people-with-ruptured-abdominal-aortic-aneurysm
#19
REVIEW
Daniel H Moreno, Daniel G Cacione, Jose Cc Baptista-Silva
BACKGROUND: An abdominal aortic aneurysm (AAA) is the pathological enlargement of the aorta and can develop in both men and women. Progressive aneurysm enlargement can lead to rupture. The rupture of an AAA is frequently fatal and accounts for the death from haemorrhagic shock of at least 45 people per 100,000 population. The outcome of people with ruptured AAA varies among countries and healthcare systems, with mortality ranging from 53% to 90%. Definitive treatment for ruptured AAA includes open surgery or endovascular repair...
June 13, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29896234/inhibition-of-prostaglandin-e2-protects-abdominal-aortic-aneurysm-from-expansion-through-regulating-mir-29b-mediated-fibrotic-ecm-expression
#20
Zonglin Han, Tangshan Zhang, Yuxiang He, Gang Li, Gang Li, Xing Jin
The risk of rupture, the most feared clinical consequence of abdominal aortic aneurysm, increases with the enlargement of aorta. MicroRNA-29b (miR-29b) has emerged as a key modulator of extracellular matrix (ECM) homeostasis and thereby is proposed to play a crucial role in vascular remodeling. However, agents that alter miR-29b expression are relatively inefficient in the aorta, likely due to inferior uptake. Herein we found that miR-29b was upregulated in aortic smooth muscle cells upon prostaglandin E2 (PGE2 ) stimulation whereas indomethacin treatment downregulated miR-29b expression...
July 2018: Experimental and Therapeutic Medicine
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